RecNo	UPbRecNo	206_238Age	Err206_238	207_235Age	Err207_235	207_206Age	Err207_206	208_232Age	Err208_232	UIntcpt	ErrUIntcpt	LIntcpt	ErrLIntcpt	PbInitRat	UPbMin	UPbLabNo	UPbDecCon	U_ppm	Th_ppm	Pb_ppm	204Pb	206Pb	207Pb	208Pb	SampSuit	AddRef	UPbAgeCom	UPbSampCom	UPbAnalCom	UPbOthrCom
77	1	2095.3	5	2374	54	2622.8	106	2053.9	91	2687	15				zircon	2A-WYLL-2	"1.5369E-04, 9.7216E-04, 4.990E-05*"	466.2	292.6	208.4	0.072	74.74	13.26	11.93	29		age of intrusion	REPRESENTATIVE SPLIT OF TOTAL SAMPLE		LOWER CONCORDIA-CURVE INTERCEPT IS 130 M.Y.
77	2	2100.3	5	2383.8	54	2635.9	106	1965.1	87	2687	15				zircon	2B-WYLL-2	"1.5369E-04, 9.7216E-04, 4.990E-05*"	470.5	298.2	209	0.037	75.12	13.34	11.5	29		age of intrusion	REPRESENTATIVE SPLIT OF TOTAL SAMPLE		LOWER CONCORDIA-CURVE INTERCEPT IS 130 M.Y.
77	3	2105.2	5	2378.9	54	2622.4	106	1987.3	88	2687	15				zircon	2C-WYLL-2	"1.5369E-04, 9.7216E-04, 4.990E-05*"	464	288.9	206.8	0.047	75.21	13.31	11.43	29		age of intrusion	REPRESENTATIVE SPLIT OF TOTAL SAMPLE		LOWER CONCORDIA-CURVE INTERCEPT IS 130 M.Y.
77	4	2115.1	5	2383.8	54	2622.2	106	2065	92	2687	15				zircon	2D-WYLL-2	"1.5369E-04, 9.7216E-04, 4.990E-05*"	465.7	281.5	208.1	0.037	75.14	13.33	11.49	29		age of intrusion	REPRESENTATIVE SPLIT OF TOTAL SAMPLE AFTER ACID-WASH TREATMENT		LOWER CONCORDIA-CURVE INTERCEPT IS 130 M.Y.
77	5	2135	5	2398.7	54	2630.9	106	2020.6	90	2687	15				zircon	2E-WYLL-2	"1.5369E-04, 9.7216E-04, 4.990E-05*"	447	279.9	202.8	0.045	75.11	13.34	11.5	29		age of intrusion	GRAB SAMPLE FROM TOTAL SAMPLE		LOWER CONCORDIA-CURVE INTERCEPT IS 130 M.Y.
78	1	2372.7	5	2517.1	57	2635.7	106	2614.5	116	2687	15				zircon	4A-WYWR4	"1.5369E-04, 9.7216E-04, 4.990E-05*"	333.8	171.5	170.5	0.056	75.54	13.43	10.97	30		age of intrusion	"-123 +210 MESH, LEAST MAGNETIC FRACTION"		THE LOWER INTERCEPT ON THE CONCORDIA-CURVE IS 130 M.Y.
78	2	2377.7	5	2517.1	57	2631.5	106	2681.1	119	2687	15				zircon	4B-WYWR4	"1.5369E-04, 9.7216E-04, 4.990E-05*"	342.2	176.7	175.5	0.051	75.3	13.38	11.26	30		age of intrusion	"-123 +210 MESH, LEAST MAGNETIC FRACTION"		THE LOWER INTERCEPT ON THE CONCORDIA-CURVE IS 130 M.Y.
78	3	1525.7	3	2038.4	46	2606.5	106	1483.2	66	2687	15				zircon	4C-WYWR4	"1.5369E-04, 9.7216E-04, 4.990E-05*"	665	372	205.1	0.084	75.64	13.26	11.01	30		age of intrusion	"-123 +210 MESH, MOST MAGNETIC FRACTION"		THE LOWER INTERCEPT ON THE CONCORDIA-CURVE IS 130 M.Y.
78	4	1525.7	3	2033.4	46	2597	105	1418.8	63	2687	15				zircon	4D-WYWR4	"1.5369E-04, 9.7216E-04, 4.990E-05*"	677	400.3	209.4	0.108	75.56	13.19	11.15	30		age of intrusion	"-123 +210 MESH, MOST MAGNETIC FRACTION"		THE LOWER INTERCEPT ON THE CONCORDIA CURVE IS 130 M.Y.
78	5	1590.1	4	2072.9	47	2594.2	105	1512.1	67	2687	15				zircon	4E-WYWR4	"1.5369E-04, 9.7216E-04, 4.990E-05*"	712.9	450.9	232.2	0.084	74.85	13.02	12.04	30		age of intrusion	LOWEST DENSITY FRACTION		THE LOWER INTERCEPT ON THE CONCORDIA-CURVE IS 130 M.Y.
83	1	1639.6	4	2087.7	48	2564.2	104	1915.1	85	2607	15				zircon	37A-WYWR-37	"1.5369E-04, 9.7216E-04, 4.990E-05*"	1451.5	383.1	466.2	0.153	79.68	13.58	6.594	28		age of intrusion	"-123 MESH, SOMEWHAT MAGNETIC"		LOWER INTERCEPT OF CONCORDIA   CURVE IS APPROXIMATELY ZERO
83	2	1464.3	3	1979.1	45	2570.2	105			2607	15				zircon	37B-WYWR-37	"1.5369E-04, 9.7216E-04, 4.990E-05*"	1415.3		401.7	0.164	79.53	13.62	6.691	28		age of intrusion	+123 MESH SOMEWHAT MAGNETIC		LOWER INTERCEPT ON CONCORDIA CURVE IS APPROXIMATELY ZERO
83	3	879.7	2	1515.2	34	2567.3	105	1263.4	56	2607	15				zircon	37C - WYWR - 37	"1.5369E-04, 9.7216E-04, 4.990E-05*"	2033.5	518.9	352	0.405	78.17	13.37	8.052	28		age of intrusion	MOST MAGNETIC FRACTION		LOWER INTERCEPT ON THE CONCORDIA CURVE IS APPROXIMATELY   ZERO
89	1	1832.8	4	2240.7	51	2637.5	106	1485.4	66	2687	15				zircon	4F-WYWR	"1.5369E-04, 9.7216E-04, 4.990E-05*"	479.8	314.2	180.9	0.089	75.81	13.56	10.54	30		age of intrusion	"-86+102 MESH, COARSE FRACTION"		THE LOWER INTERCEPT ON THE CONCORDIA CURVE IS 130 M. Y.
89	2	2075.5	5	2369	54	2632.2	106	1992.8	88	2687	15				zircon	4G-WYWR4	"1.5369E-04, 9.7216E-04, 4.990E-05*"	444.8	272.7	196	0.083	75.09	13.37	11.46	30		age of intrusion	-28 + 25 MICRO FRACTION (FINEST)		THE LOWER INTERCEPT ON THE CONCORDIA CURVE IS 130 M. Y.
89	3	2377.7	5	2517.1	57	2631.5	106	2520.2	112	2687	15				zircon	4H-WYWR4	"1.5369E-04, 9.7216E-04, 4.990E-05*"	345.1	189.5	178.1	0.093	75.23	13.44	11.23	30		age of intrusion	HIGHEST DENSITY FRACTION		THE LOWER INTERCEPT ON THE CONCORDIA CURVE IS 130 M. Y.
129	1	2382.5	40	2600.7	40	2775.3	40			2890	25				zircon	51	"1.54E-04, 9.72E-04, 4.99E-05*"	580.4		287.8		77.37	15.04	7.59	31		age of metamorphic crystallization	MESH SIZE-100+200		QUARTZ MONZONITE IS OF METASOMATIC ORIGIN
129	2	2407.3	40	2615.6	40	2781.1	40			2890	25				zircon	51	"1.54E-04, 9.72E-04, 4.99E-05*"	595.1		300.4		77.02	14.98	8	31		age of metamorphic crystallization	MESH SIZE -200+285		QUARTZ MONZONITE IS OF METASOMATIC ORIGIN
129	3	2491.7	40	2655	40	2781.9	40			2890	25				feldspar	51	"1.54E-04, 9.72E-04, 4.99E-05*"	533		284.7		75.89	14.81	9.3	31		age of metamorphic crystallization	MESH SIZE -285		QUARTZ MONZONITE IS OF METASOMATIC       ORIGIN
129	4	2868.9	60	2852.4		2840.8	30			2890	25				monazite	51	"1.54E-04, 9.72E-04, 4.99E-05*"	829.7		9984		4.036	0.818	95.15	31		age of metamorphic crystallization	MESH SIZE -100+200		QUARTZ MONZONITE IS OF METASOMATIC ORIGIN
156	1									2400	50				zircon	M43'A	"1.54E-04, 9.72E-04, 4.88E-05"	466.9		204.6	0.116	68.6	12.1	19.3	40		age of intrusion	-100 +325 MESH FRACTION		
156	2									2400	50				zircon	M43'B	"1.54E-04, 9.72E-04, 4.88E-05"	748.1		264	0.11	68.6	11.9	19.4	40		age of intrusion	-200 +325 MESH FRACTION		
156	3									2400	50				zircon	M43'D	"1.54E-04, 9.72E-04, 4.88E-05"	464.2		240.8	0.098	70.3	12	17.6	40		age of intrusion	"-200 +325 MESH, NON-MAGNETIC FRACTION"		
157	1									2400	50				zircon	M22A	"1.54E-04, 9.72E-04, 4.88E-05"	1723		321.6	0.18	54.4	9.63	35.8	40		age of intrusion	-80 +200 MESH FRACTION		
157	2					0				2400	50				zircon	M22C	"1.54E-04, 9.72E-04, 4.88E-05"	2153		385.8	0.174	52.8	9.14	37.9	40		age of intrusion	-80 +200 MESH FRACTION		
157	3					0				2400	50				zircon	M22E	"1.54E-04, 9.72E-04, 4.88E-05"	2132		397.5	0.167	52.3	9.2	38.4	40		age of intrusion	"-100 +325 MESH, MAGNETIC FRACTION"		
157	4					0				2400	50				zircon	M22F	"1.54E-04, 9.72E-04, 4.88E-05"	1769		457.3	0.189	54	9.72	36.1	40		age of intrusion			
490	1	2581	60	2605.7	60	2625	20								uraninite-pitchblende	K-156	"1.54E-04, 9.72E-04, 4.99E-05*"										age of intrusion	20 MILLIGRAM CHIP SELECTED FROM OUTCROP SAMPLE; INCOMPLETE DATA GIVEN		
558	1	382.2	20	384.9	20	401.2	50								uraninite-pitchblende	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	654000		36700							age of intrusion	COLLECTED FROM MARGIN OF CORE OF PEGMATITE AND SEPARATED BY HAND; MUSCOVITE MATRIX		
558	2	367.3	20	370.1	20	387.7	50								uraninite-pitchblende	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	748000		39800							age of intrusion	COLLECTED FROM MARGIN OF CORE OF PEGMATITE AND SEPARATED BY HAND; QUARTZ MATRIX		
559	1	1568.5	80	1579.2	80	1593.5	80	1598.7	70						uraninite-pitchblende	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	645500	29300	170100							age of intrusion	250 GRAMS OF PURE MINERAL TAKEN FROM MARGIN OF DIKE 1 ADJACENT TO LEPIDOLITE BODY		
560	1	908.3	50	1041.3	50	1332.1	70								pyrochlor-microlite	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	62100		9127	0.06	89.3	8.4	2.3			age not evaluated	LEAD COMPOSITION CALCULATED BY COMPILER.		
560	2	1508.9	80	1450.9	70	1366.9	70								columbite-tantalite	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	1280		560	0.5	60.2	12	27.3			age not evaluated	LEAD COMPOSITION CALCULATED BY COMPILER.		
560	3	1578.4	80	1401.5	70	1141.8	60	1104.6	50						monazite	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	1415	49300	2635	0.01	13	1.2	85.8			age not evaluated	LEAD COMPOSITION CALCULATED BY COMPILER		
561	1	962.9	50	947.5	50	911.9	50								pyrochlor-microlite	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	6670		1330	0.4	75.4	10.2	14			age not evaluated	"YELLOW MICROLITE, IDENTITY CONFIRMED BY X-RAY. LEAD COMPOSITION CALCULATED BY COMPILER"		
561	2	913.3	50	987	50	1154.7	60								pyrochlor-microlite	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	76600		11530	0.1	88	8.2	3.7			age not evaluated	DARK BROWN MICROLITE (HATCHETTOLITE?) WAS STRUCTURALLY DESTROYED BY RADIATION. LEAD COMPOSITION CALCULATED BY COMPILER		
562	1	625.4	30	760	40	1179.4	60	299.8	15						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	ANALYTICAL DATA NOT GIVEN		
563	1	918.2	50	1115.3	60	1522.7	140	588.4	110						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	ANALYTICAL DATA NOT GIVEN		
564	1	943.1	50	977.1	50	1054.3	50	988.1	40						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	ANALYTICAL DATA NOT GIVEN		
565	1	620.4	30	700.8	35	968	50	347.5	16						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	NO ANALYTICAL DATA GIVEN		
566	1	185.6	9	181.6	9	129.9	60	210.9	9						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	ANALYTICAL DATA NOT GIVEN)		
569	1	516.2	26	520.1	26	537.3	27	561.8	25						zircon	NOT GIVEN	"1.54E-04, 9.72E-04, 4.99E-05*"	2060	8120								age not evaluated	EXTENSIVE RADIATION DAMAGE; ONLY PARTIAL DATA GIVEN		
569	2	510.2	26	515.2	26	537.4	28	547.3	25						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	414	1337								age not evaluated	MINOR RADIATION DAMAGE; ONLY PARTIAL DATA GIVEN		
1024	1	625.4		740.2		1105.2	70								zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"									Aldrich and others (1958)			NO ANALYTICAL DATA GIVEN	AGES CALCULATED WITH OBSOLETE DECAY CONSTANTS
1025	1	1042.3		1362.1		1906.8	160								apatite	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"									Aldrich and others (1958)			NO ANALYTICAL DATA GIVEN	AGES CALCULATED WITH OBSOLETE DECAY CONSTANTS
1026	1	928.2		1095.6		1445.2	110								zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"									Aldrich and others (1958)			NO ANALYTICAL DATA GIVEN	AGES CALCULATED WITH OBSOLETE DECAY CONSTANTS
1323	1	1439.4	25	1446	25	1455.7	25								sphene	NM-5	"1.54E-04, 9.72E-04, 4.99E-05*"	148.9		71.45	0.172	44.69	6.337	48.8			age of intrusion	+50 MESH FRACTION		
1323	2	1429.5	25	1441	25	1458	25								sphene	NM-5	"1.54E-04, 9.72E-04, 4.99E-05*"	148.8		64.43	0.14	49.15	6.469	44.24			age of intrusion	-100 +150 MESH FRACTION		
1324	1	1449.3	25	1443	25	1433.7	25								sphene	A-26	"1.54E-04, 9.72E-04, 4.99E-05*"	161.2		82.42	0.128	44.35	5.81	49.71			age of intrusion			
1325	1	2600.9	40	2645.2	40	2679.3	40								sphene	CC-43	"1.54E-04, 9.72E-04, 4.99E-05*"	33.95		37.91	0.109	40.46	8.772	50.66			age of intrusion			
1326	1	1350.1	20	1406.5	20	1493	25								sphene	CO-55	"1.54E-04, 9.72E-04, 4.99E-05*"	48.7		21.88	0.132	44.57	6.008	49.29			minimum age of intrusion			
1327	1	2541.3	40	2645.2	40	2725.7	40								sphene	CL-11	"1.54E-04, 9.72E-04, 4.99E-05*"	60.1		46.7	0.184	53.19	12.26	34.36			age of intrusion			
1328	1	2610.8	40	2645.2	40	2671.6	40								sphene	WYWR-4	"1.54E-04, 9.72E-04, 4.99E-05*"	126.6		129.6	0.487	41.81	13.52	44.19		Naylor and others (1970)	age of intrusion			
1329	1	764.4	25	1381.8	40	2528.2	50								zircon	GL	"1.54E-04, 9.72E-04, 4.88E-05*"	1330		280	0.387	56.72	14.42	28.47			minimum age of metamorphic crystallization			
1333	1	21	3	23.5	3	0									uraninite-pitchblende	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	728000	1.76	2220	0.03	93.15	5.35	1.47				MASSIVE FRESH URANINITE		PROBABLE AGE OF ORE FORMATION
1334	1	21.5	3	23.5	3	0									uraninite-pitchblende	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	694000	0.12	2110	0.005	95	4.82	0.17				MASSIVE FRESH URANINITE		PROBABLE AGE OF ORE FORMATION
1335	1	20	5	22	5	0									whole rock	SB-312	"1.55125E-04, 9.8485E-04, 4.9475E-05"	7200		40	0.55	63.27	11.87	24.31						PROBABLE TIME OF ORE FORMATION
1336	1	25	5	29	5	0									whole rock	SB-316	"1.55125E-04, 9.8485E-04, 4.9475E-05"	13000		64	0.35	76.64	9.09	13.92						PROBABLE TIME OF ORE FORMATION
1337	1	23.5	5	24.5	5	0									whole rock	SB-319	"1.55125E-04, 9.8485E-04, 4.9475E-05"	30000		114	0.17	86.37	6.64	6.82						PROBABLE TIME OF ORE FORMATION
1391	1	1495	18	2008.5	40	2587.6	100	1197.5	30					"13.5, 14.7, 33.3"	zircon	QB-010	"1.54E-04, 9.72E-04, 4.88E-05*"	398.3	365.9	149.1	0.26	63.53	14.23	21.99			minimum age of metamorphic crystallization			
1392	1	1149.5	14	1354.2	24	1694	44	1629.5	32					"15.9, 15.3, 35.5"	zircon	RG-048	"1.54E-04, 9.72E-04, 4.88E-05*"	606.7	73.7	128.2	0.121	81.18	10.11	8.584			minimum age of metamorphic crystallization	DISTINCT SECONDARY OVERGROWTHS ON EUHEDRAL CORE; +100 MESH		
1392	2	1133.7	12	1342.3	22	1692.4	40	1770.6	32					"15.9, 15.3, 35.5"	zircon	RG-048	"1.54E-04, 9.72E-04, 4.88E-05*"	610.1	70.1	126.6	0.112	81.41	9.997	8.476			minimum age of metamorphic crystallization	DISTINCT SECONDARY OVERGROWTHS ON EUHEDRAL CORE; -100+150 MESH		
1416	1	1635		2075		2540		1395							zircon	D1686	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1250	1363	565	0.3215	59.44	14.05	26.19			maximum age of intrusion			
1448	1	555.9	20	819.2	35	1622.5	40	315.6		1935	40				zircon	11	"1.54E-04, 9.72E-04, 4.88E-05*"	2227	1421	261	0.307	70.31	11.24	18.15	54			ZIRCONS VARY FROM EUHEDRAL TO ANHEDRAL IN SHAPE AND ARE MODERATELY OR EXTENSIVELY METAMICT		"LOWER CONCORDIA INTERCEPT IS 170 +/- 50 M.Y. FOR ""BEST-FIT"" LINE"
1449	1	823.9	25	1174.5	35	1894.6	40	1242.9		2630	60				zircon	14	"1.54E-04, 9.72E-04, 4.88E-05*"	1417	276	216	0.118	77.93	10.68	11.28	55			ZIRCONS VARY FROM EUHEDRAL TO ANHEDRAL IN SHAPE AND ARE MODERATELY OR EXTENSIVELY METAMICT		"LOWER CONCORDIA INTERCEPT IS 440 +/- 50 M.Y. FOR ""BEST-FIT"" LINE"
1449	2	1846.4	40	1865.4	40	1886.6	30	1765.7	40						monazite	14M	"1.54E-04, 9.72E-04, 4.88E-05*"	2134	88400	8020	0.251	78.3	12.58	8.864						THE 207PB-206PB AGE SEEMINGLY DATES THE TIME OF METAMORPHISM
1450	1	1379.9	40	1806.2	50	2341.2	45			2630	60				zircon	15	"1.54E-04, 9.72E-04, 4.88E-05*"	375		110	0.184	72.55	13.19	14.08	55			ZIRCONS VARY FROM EUHEDRAL TO ANHEDRAL IN SHAPE AND ARE MODERATELY OR EXTENSIVELY METAMICT		"LOWER CONCORDIA INTERCEPT IS 440 +/- 50 M.Y. FOR ""BEST-FIT"" LINE"
1451	1	1131.7	35	1381.8	40	1792.5	40	1065.3		1935	40				zircon	34	"1.54E-04, 9.72E-04, 4.88E-05*"	553	159	115	0.077	80.68	9.851	9.391	54			ZIRCONS VARY FROM EUHEDRAL TO ANHEDRAL IN SHAPE AND ARE MODERATELY OR EXTENSIVELY METAMICT		"LOWER CONCORDIA INTERCEPT IS 170 +/- 50 M.Y. FOR ""BEST-FIT"" LINE"
1452	1	198.5	6	325.7	10	1376.2	30	197.3	6						zircon	100	"1.54E-04, 9.72E-04, 4.88E-05*"	990	299	34.1	0.107	70.21	13.61	16.07				"ZIRCON SUITE CONTAINED CLEAR EUHEDRAL CRYSTALS AND DARKER, LESS CLEAR, SOMETIMES ZONED EUHEDRAL CRYSTALS"		THE 207PB-206PB AGE IS A MINIMUM AGE FOR THE ROCK
1453	1	1280.6	40	1520	45	1871.4	40	1528.9		1935	40				zircon	13	"1.54E-04, 9.72E-04, 4.88E-05*"	549	217	138	0.11	76.11	9.879	13.9	54			ZIRCONS VARY FROM EUHEDRAL TO ANHEDRAL IN SHAPE AND ARE MODERATELY OR EXTENSIVELY METAMICT		"LOWER CONCORDIA INTERCEPT IS 170 +/- 50 M.Y. FOR ""BEST-FIT"" LINE"
1454	1	1558.5	45	1954.3	60	2404.2	40	1765.7		2630	60				zircon	26	"1.54E-04, 9.72E-04, 4.88E-05*"	361	101	113	0.095	76.37	13.12	10.41	55			ZIRCONS VARY FROM EUHEDRAL TO ANHEDRAL IN SHAPE AND ARE MODERATELY OR EXTENSIVELY METAMICT		"LOWER CONCORDIA INTERCEPT IS 440 +/- 50 M.Y. FOR ""BEST-FIT"" LINE"
1455	1	1161.5	35	1648.3	50	2340.3	45	1479.6		2630	60				zircon	27	"1.54E-04, 9.72E-04, 4.88E-05*"	590	134	138	0.142	74.48	13.04	12.34	55			ZIRCONS VARY FROM EUHEDRAL TO ANHEDRAL IN SHAPE AND ARE MODERATELY OR EXTENSIVELY METAMICT		"LOWER CONCORDIA INTERCEPT IS 440 +/- 50 M.Y. FOR ""BEST-FIT"" LINE"
1456	1	804.1	25	1115.3	35	1785.3	45	937.1		1935	40				zircon	31	"1.54E-04, 9.72E-04, 4.88E-05*"	1047	338	176	0.236	71.37	10.93	17.46	54			ZIRCONS VARY FROM EUHEDRAL TO ANHEDRAL IN SHAPE AND ARE MODERATELY OR EXTENSIVELY METAMICT		"LOWER CONCORDIA INTERCEPT IS 170 +/- 50 M.Y. FOR ""BEST-FIT"" LINE"
1457	1	903.4	30	1194.3	35	1767.5	40	690.5		1935	40				zircon	41	"1.54E-04, 9.72E-04, 4.88E-05*"	710	346	123	0.122	76.88	9.949	13.05	54			ZIRCONS VARY FROM EUHEDRAL TO ANHEDRAL IN SHAPE AND ARE MODERATELY OR EXTENSIVELY METAMICT		"LOWER CONCORDIA INTERCEPT IS 170 +/- 50 M.Y. FOR ""BEST-FIT"" LINE"
1458	1	1340.1	40	1993.7	60	2761.3	50								zircon	SG	"1.54E-04, 9.72E-04, 4.88E-05*"	2088			0.072	69.05	14.13	16.75						THE 207PB-206PB AGE IS A MINIMUM AGE FOR THE ROCK
1459	1	1270.7	40	1904.9	60	2689.2	50	1242.9							zircon	1	"1.54E-04, 9.72E-04, 4.88E-05*"	1662	1258	536	0.278	62.17	14.92	22.63				ZIRCONS ARE PREDOMINANTLY ROUNDED AND SHOW ABUNDANT OVERGROWTHS		THE 207PB-206PB AGE IS A MINIMUM AGE FOR THE ROCK
1460	1	1588.3	50	2151.7	65	2743.1	50	1035.7							zircon	4	"1.54E-04, 9.72E-04, 4.88E-05*"	1332	872	430	0.037	74.52	14.75	10.7				ZIRCONS ARE PREDOMINANTLY ROUNDED AND SHOW ABUNDANT OVERGROWTHS		THE 207PB-206PB AGE IS A MINIMUM AGE FOR THE ROCK
1461	1	1618.1	50	2329.3	70	3028.2	50	1509.2							zircon	5	"1.54E-04, 9.72E-04, 4.88E-05*"	1600	238	507	0.035	77.83	18.06	4.078				ZIRCONS ARE PREDOMINANTLY ROUNDED AND SHOW ABUNDANT OVERGROWTHS		THE 207PB-206PB AGE IS A MINIMUM AGE FOR THE ROCK
1462	1	1647.9	50	2349.1	70	3029.8	50	858.2							zircon	6	"1.54E-04, 9.72E-04, 4.88E-05*"	1548	834	521	0.043	74.83	17.5	7.618				ZIRCONS ARE PREDOMINANTLY ROUNDED AND SHOW ABUNDANT OVERGROWTHS		THE 207PB-206PB AGE IS A MINIMUM AGE FOR THE ROCK
1463	1	1389.8	40	1944.4	60	2600.6	50	2318							zircon	7	"1.54E-04, 9.72E-04, 4.88E-05*"	1332	465	401	0.107	70.21	13.61	16.07						THE 207PB-206PB AGE IS A MINIMUM AGE FOR THE ROCK
1571	1	364.3		360.3		0		353							uraninite-pitchblende	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"										age of intrusion		"COMPOSITION LISTED AS 4.10% PB, 75.8% U, AND 6.15% TH"	
1589	1	2690.2		2694.5		2697.7									sphene	2	"1.54E-04, 9.72E-04, 4.99E-05*"	42.7		59.1	0.422	37.87	12.04	49.66			age of intrusion	FIELD NUMBER SS-4	ANALYTICAL ERRORS NOT GIVEN	
1590	1	2491.7		2605.7		2695.5									sphene	4	"1.54E-04, 9.72E-04, 4.99E-05*"	29.7		76.7	0.98	28.82	17	53.21			age of intrusion	FIELD NUMBER MN-11	ANALYTICAL ERRORS NOT GIVEN	
1591	1	1935.8		2319.4		2676.7									sphene	5	"1.54E-04, 9.72E-04, 4.99E-05*"	100.8		53	0.287	61.08	14.63	24			age of intrusion	FIELD NUMBER DKL-2B	ANALYTICAL ERROR NOT GIVEN	
1592	1	2690.2		2655		2628.3									sphene	6	"1.54E-04, 9.72E-04, 4.99E-05*"	61.6		130.6	0.594	29.19	12.44	57.79			age of intrusion	FIELD NUMBER M5218	ANALYTICAL ERROR NOT GIVEN	
1612	1	3117.1		2753.7		2497.2		1795.2							allanite	76A	"1.54E-04, 9.72E-04, 4.88E-05*"	242.4	14520	1579	0.186	11.68	4.29	83.84			initial age disturbed by later metamorphism		SAMPLE AGES SHOW REVERSE DISCORDANCE	PROBABLE URANIUM LOSS IN METAMORPHIC EVENT AT 2650 M.Y.
1613	1	2541.3		2803.1		2997.3				3560					zircon	337-D	"1.54E-04, 9.72E-04, 4.88E-05*"	782.9		442.6	0.038	73.62	16.9	9.44	78				LOWER CONCORDIA INTERCEPT (1850 M.Y.) IS THE LINEAR REGRESSION OF 10 POINTS (ZIRCON)	UPPER CONCORDIA INTERCEPT (3560 M.Y.) IS PROBABLE AGE OF INITIAL CRYSTALLIZATION
1614	1	2392.4		2635.3		2827.5				3560					zircon	337L	"1.54E-04, 9.72E-04, 4.88E-05*"	539.5		299.8	0.059	71.36	14.99	13.59	78				LOWER CONCORDIA INTERCEPT=1850 M.Y.; LINEAR REGRESSION OF 10 POINTS (ZIRCON)	UPPER CONCORDIA INTERCEPT (3560 M.Y.) IS PROBABLE AGE OF INITIAL CRYSTALLIZATION
1614	2	2466.9		2689.6		2861.5		2012.3		3560					zircon	337L-2	"1.54E-04, 9.72E-04, 4.88E-05*"	599.7	374.1	344	0.055	72.17	15.37	12.4	78				LOWER CONCORDIA INTERCEPT IS 1850 M.Y.; LINEAR REGRESSION OF 10 POINTS (ZIRCONS)	UPPER CONCORDIA INTERCEPT (3560 M.Y.) IS PROBABLE AGE OF INITIAL CRYSTALLIZATION
1615	1	2561.2		2832.7		3032				3560					zircon	338	"1.54E-04, 9.72E-04, 4.88E-05*"	967.5		570.3	0.05	73.01	17.29	9.65	78				LOWER CONCORDIA INTERCEPT=1850 M.Y.; LINEAR REGRESSION OF 10 POINTS (ZIRCON)	UPPER CONCORDIA INTERCEPT (3560 M.Y.) IS PROBABLE AGE OF INITIAL CRYSTALLIZATION
1618	1	2422.2		2704.4		2922.6				3560					zircon	339	"1.54E-04, 9.72E-04, 4.88E-05*"	701.9		385.5	0.138	74.13	17.37	8.36	78				LOWER CONCORDIA INTERCEPT=1850 M.Y.; LINEAR REGRESSION OF 10 POINTS (ZIRCONS)	UPPER CONCORDIA INTERCEPT (3560 M.Y.) IS PROBABLE AGE OF INITIAL CRYSTALLIZATION
1618	2	2427.2		2763.6		3019.4		2673.1		3560					zircon	339U	"1.54E-04, 9.72E-04, 4.88E-05*"	700.2	140.8	384.4	0.101	73.57	17.84	8.49	78			UNLEACHED ALIQUOT	LOWER CONCORDIA INTERCEPT IS 1850 M.Y.--LINEAR REGRESSION OF 10 POINTS (ZIRCONS)	UPPER CONCORDIA INTERCEPT (3560 M.Y.) IS PROBABLE AGE OF INITIAL CRYSTALLIZATION
1619	1	2392.4		2507		2601.2				2650					zircon	345.1	"1.54E-04, 9.72E-04, 4.88E-05*"	371.6		185.9	0.033	77.68	14.05	8.24	79		age of metamorphic crystallization	+100 MESH	LINEAR REGRESSION OF 5 (ZIRCON) POINTS	ZIRCONS COMPLETELY RESET BY METAMORPHIC EVENT
1619	2	2387.4		2507		2605.3				2650					zircon	345.2	"1.54E-04, 9.72E-04, 4.88E-05*"	428.8		212.6	0.034	77.76	14.03	8.17	79		age of metamorphic crystallization	-100 +200 MESH	LINEAR REGRESSION OF 5 POINTS (ZIRCONS)	ZIRCONS COMPLETELY RESET BY METAMORPHIC EVENT
1619	3	2491.7		2546.5		2590.4				2650					zircon	345.3	"1.54E-04, 9.72E-04, 4.88E-05*"	460.4		239.8	0.032	77.72	14.02	8.23	79		age of metamorphic crystallization	-200 MESH	LINEAR REGRESSION OF 5 POINTS (ZIRCONS)	ZIRCONS COMPLETELY RESET BY METAMORPHIC EVENT
1620	1	2551.2		2576.1		2595.8		2535		2650					zircon	346	"1.54E-04, 9.72E-04, 4.88E-05*"	601.9	159.1	329.6	0.067	77.3	14.34	8.29	79		age of metamorphic crystallization		LINEAR REGRESSION OF 5 POINTS (ZIRCONS)	ZIRCONS COMPLETELY RESET BY METAMORPHIC EVENT
1627	1	2104.5		2344.1		2559.7				2650					zircon	388	"1.54E-04, 9.72E-04, 4.88E-05*"	881.2		413.8	0.103	72.52	13.69	13.69	79		age of intrusion		A LINEAR REGRESSION OF 5 POINTS (ZIRCONS)	
1628	1	2675.3		2965.9		3169.4				3560					zircon	389D2	"1.54E-04, 9.72E-04, 4.88E-05*"	749.3		440.6	0.026	75.53	19.05	5.39	78			DISTINCT FROM CATANZARO'S (1963) 389D2 SAMPLE	LOWER CONCORDIA INTERCEPT=1850 M.Y.-LINEAR REGRESSION OF 10 POINTS (ZIRCONS)	UPPER CONCORDIA INTERCEPT (3560 M.Y.) IS PROBABLE AGE CRYSTALLIZATION
1637	1	347.4	15	369.1	20	507.7	70	428.1	25					"18.5, 15.7, 38.4"	zircon	1719	"1.54E-04, 9.72E-04, 4.88E-05*"	1382	112.9	74.5	0.047	89.39	5.84	4.72			age of intrusion			
1658	1	1389.8		1539.7		1752.1		1565.4		1950				"14, 15, 33"	zircon sphene	2 (LS-47)	"1.54E-04, 9.72E-04, 4.99E-05*"	428	383	129	0.075	69.5	8.538	21.91	84			SAMPLE= 38% ZIRCON + 62% SPHENE; EUHEDRAL ZIRCONS WITH SOME ROUNDING AND VERY FINE LAYERING		3-POINT (ZIRCONS) DISCORDIA CHORD GIVES 1950 M.Y. CONCORDIA INTERCEPT AT PROBABLE OF FORMATION
1665	1	1707.4		2062.8		2439.4		1443.3		2700				"14, 15, 33"	zircon	8B (LS-42B)	"1.54E-04, 9.72E-04, 4.99E-05*"	1998	1013	686	0.005	76.5	12.96	10.46	85					5-POINT (ZIRCONS) DISCORDIA CHORD GIVES 2700 M.Y. CONCORDIA INTERCEPT AT PROBABLE AGE OF FORMATION
1681	1	1717.4		2122.1		2540.9		1387.8		2700				"14, 15, 33"	zircon	24 (LS-115)	"1.54E-04, 9.72E-04, 4.99E-05*"	1012	449	348	0.053	77.2	13.62	9.105	85			"ZIRCONS APPEAR DETRITAL, FROSTED; ZONED, SOME ROUNDED CORES"		5-POINT (ZIRCONS) DISCORDIA CHORD GIVES 2700 M.Y. CONCORDIA INTERCEPT FOR PROBABLE AGE OF FORMATION
1682	1	992.7		1352.2		1977.4		1909.5		2700				"14, 15, 33"	zircon	25A (LS-114A)	"1.54E-04, 9.72E-04, 4.99E-05*"	2283	342	437	0.152	77.2	11.35	11.25	85			"ZIRCONS HAVE ROUNDED TERMINATIONS, ARE FROSTED, CRACKED, AND HAVE ROUNDED CORES"		5-POINT (ZIRCONS) DISCORDIA CHORD GIVES 2700 M.Y. CONCORDIA INTERCEPT FOR PROBABLE AGE OF FORMATION
1683	1	2174		2398.4		2594.9		2153.8		2700				"14, 15, 33"	zircon	25B (LS-114A)	"1.54E-04, 9.72E-04, 4.99E-05*"	579	287	263	0.019	76.1	13.44	10.47	85			"ZIRCONS ARE ROUNDED, OCCASIONALLY EUHEDRAL, SOME ROUNDED CORES, CRACKED"		5-POINT (ZIRCONS) DISCORDIA CHORD GIVES 2700 M.Y. CONCORDIA INTERCEPT FOR PROBABLE AGE OF FORMATION
1684	1	873.6		1223.9		1908.4		1354.4		2700				"14, 15, 33"	zircon	29 (LS-126)	"1.54E-04, 9.72E-04, 4.99E-05*"	2245	1139	423	0.178	68.4	10.42	20.97	85			"ZIRCONS ARE ROUNDED, SOMETIMES EUHEDRAL; CRACKED; HAVE DUSTY CORES AND AN OCCASIONAL CLEAR OUTER ZONE"		5-POINT (ZIRCONS) DISCORDIA CHORD GIVES 2700 M.Y. CONCORDIA INTERCEPT FOR PROBABLE AGE OF FORMATION
1694	1	409.2	8	410.6	15	418.5	32	468.5	16	450	25			"18.5, 15.7, 38.5"	zircon	211	"1.5369E-04, 9.7216E-04, 4.990E-05*"	504	208.4	40.9	0.237	73.73	7.558	18.47	87	Zartman (1977)	age of intrusion		4-POINT (ZIRCONS) DISCORDIA LINE	
1708	1	413.1	8	415.6	9	429.5	10	446.3	8	450	25				zircon	260	"1.5369E-04, 9.7216E-04, 4.990E-05*"	1330	599.7	92.9	0.042	81.83	5.168	12.96	87	Zartman (1977)	age of intrusion		4-POINT (ZIRCONS) DISCORDIA LINE	
1714	1	365.6	7	374.1	12	427.1	22	408.6	10	450	25			"18.5, 15.7, 38.5"	zircon	171A	"1.5369E-04, 9.7216E-04, 4.990E-05*"	356.8	165.1	24.3	0.155	76.47	6.514	16.86	87	Zartman (1977)	age meaning uncertain (geologic factors)		4-POINT (ZIRCONS) DISCORDIA LINE	XENOLITHIC MATERIAL MAY HAVE BEEN SAMPLED
1714	2	352.7	7	361.3	9	416.9	12	389.7	8	450	25			"18.5, 15.7, 38.5"	zircon	171-B	"1.5369E-04, 9.7216E-04, 4.990E-05*"	389	183.1	24.1	0.081	79.58	5.584	14.76	87	Zartman (1977)	age meaning uncertain (geologic factors)		4-POINT DISCORDIA LINE (ZIRCONS)	XENOLITHIC MATERIAL MAY HAVE BEEN SAMPLED
1724	1	833.9		1105.4		1687.4		1165.7		1950				"14, 15, 33"	zircon	26 (LS-54)	"1.54E-04, 9.72E-04, 4.99E-05*"	2547	1211	429	0.134	72.6	9.353	17.9	84					DISCORDIA CHORD GIVES 1950 M.Y. CONCORDIA INTERCEPT FOR PROBABLE FORMATIONAL AGE
1725	1	1588.3		1697.6		1835.3		1865.1		1950				"14, 15, 33"	zircon	27 (LS-53)	"1.54E-04, 9.72E-04, 4.99E-05*"	812	598	269	0.032	73.2	8.597	18.2	84					DISCORDIA CHORD GIVES 1950 M.Y. CONCORDIA INTERCEPT FOR PROBABLE FORMATIONAL AGE
1880	1	1106.9	16	1352.2	21	1764.6	27			1860	15			"18.34, 15.61, 38.16"	zircon	1	"1.54E-04, 9.72E-04, 4.99E-05*"	1636		316.8	0	83.07	8.96	7.97	90			100/200 MESH	DATA FOR PB ARE FOR RADIOGENIC PB ONLY	6-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1860 M.Y.
1880	2	1211.1	18	1426.2	21	1763.7	27			1860	15			"18.34, 15.16, 38.16"	zircon	1	"1.54E-04, 9.72E-04, 4.99E-05*"	1525		324.5	0	83.27	9.03	7.7	90			200/285 MESH	DATA FOR PB ARE FOR RADIOGENIC LEAD ONLY	6-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1860 M.Y.
1880	3	833.9	12	1105.4	17	1687.4	24			1860	15			"18.34, 15.61, 38.16"	zircon	1	"1.54E-04, 9.72E-04, 4.99E-05*"	2352		332.2	0	83.97	8.72	7.31	90			200/285 MESH; MAGNETIC FRACTION	DATA FOR PB ARE FOR RADIOGENIC LEAD ONLY	6-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1860 M.Y.
1881	1	1543.6	24	1658.2	25	1806.6	27			1860	15			"18.34, 15.61, 38.16"	zircon	2	"1.54E-04, 9.72E-04, 4.99E-05*"	871.3		243	0	83.41	9.23	7.35	90			100/200 MESH	DATA FOR PB ARE FOR RADIOGENIC PB ONLY	6-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1860 M.Y.
1881	2	1573.4	23	1673	25	1800.3	27			1860	15			"18.34, 15.61, 38.16"	zircon	2	"1.54E-04, 9.72E-04, 4.99E-05*"	924.3		285.6	0	84.96	9.37	5.66	90			SMALLER THAN 285 MESH	DATA FOR PB ARE FOR RADIOGENIC LEAD ONLY	6-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1860 M.Y.
1881	3	1414.6	21	1569.3	24	1784.1	27			1680	15			"18.34, 15.61, 38.16"	"Coffinite (?), clinozoisite, sphene and a few zircon"	2	"1.54E-04, 9.72E-04, 4.99E-05*"	40150		169000	0	88.51	9.68	1.81	90			"ANALYZED MATERIAL CONSISTED OF COFFINITE (?), PLUS CLINOZOISITE, SPHENE, AND A FEW ZIRCON GRAINS"		6-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1860 M.Y.
1882	1	1558.5	24	1673	25	1819.8	27			1890	15			"18.34, 15.61, 38.16"	zircon	3	"1.54E-04, 9.72E-04, 4.99E-05*"	1181		353.9	0	78.48	8.73	12.79	91			100/200 MESH	DATA FOR PB ARE FOR RADIOGENIC PB ONLY	8-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1890 M.Y.
1882	2	1508.9	23	1638.4	24	1808.8	27			1890	15			"18.34, 15.61, 38.16"	zircon	3	"1.54E-04, 9.72E-04, 4.99E-05*"	1129		337.1	0	76.32	8.47	15.22	91			200/285 MESH	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	8-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1890 M.Y.
1882	3	1623.1	24	1712.4	26	1823.4	28			1890	15			"18.34, 15.61, 38.16"	zircon	3	"1.54E-04, 9.72E-04, 4.99E-05*"	1049		329	0	78.3	8.78	12.92	91			100/200 MESH; NONMAGNETIC FRACTION	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	8-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1890 M.Y.
1882	4	1280.6	19	1475.6	22	1768.5	27			1890	15			"18.34, 15.61, 38.16"	zircon	3	"1.54E-04, 9.72E-04, 4.99E-05*"	1473		368.6	0	75.83	8.2	15.97	91			200/285 MESH; MAGNETIC FRACTION	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	8-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1890 M.Y.
1883	1	982.8	15	1223.9	18	1678.1	25			1890	15			"18.34, 15.61, 38.16"	zircon	4	"1.54E-04, 9.72E-04, 4.99E-05*"	2517		462.7	0	76.75	7.94	15.31	91			100/200 MESH	DATA FOR PB ARE RADIOGENIC PB ONLY	8-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1890 M.Y.
1883	2	987.7	15	1228.8	18	1680.9	26			1890	15			"18.34, 15.61, 38.16"	zircon	4	"1.54E-04, 9.72E-04, 4.99E-05*"	2584		478.6	0	76.95	7.95	15.1	91			200/285 MESH	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	8-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1890 M.Y.
1883	3	1062.2	15	1297.9	20	1712.2	26			1890	15			"18.34, 15.61, 38.16"	zircon	4	"1.54E-04, 9.72E-04, 4.99E-05*"	2425		482.5	0	77.48	8.13	14.41	91			SMALLER THAN 285 MESH	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	8-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1890 M.Y.
1883	4	794.2	12	1036.3	15	1589.8	24			1890	15			"18.34, 15.61, 38.16"	zircon	4	"1.54E-04, 9.72E-04, 4.99E-05*"	2919		436.7	0	75.47	7.4	17.12	91			200/285 MESH; MAGNETIC FRACTION	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	8-POINT DISCORDIA LINE INDICATES AN EMPLACEMENT AGE OF 1890 M.Y.
1884	1	1414.6	21	1569.3	24	1784.1	27			1880	15			"18.34, 15.61, 38.16"	zircon	5	"1.54E-04, 9.72E-04, 4.99E-05*"	1515		406.4	0	78.52	8.57	12.91				100/200 MESH	DATA FOR PB ARE FOR RADIOGENIC PB ONLY	5-POINT DISCORDIA LINE SUGGESTS AN AGE OF 1880 M.Y.
1884	2	1379.9	21	1539.7	24	1766.6	27			1880	15			"18.34, 15.61, 38.16"	zircon	5	"1.54E-04, 9.72E-04, 4.99E-05*"	1798		467.6	0	78.39	8.48	13.13				200/285 MESH	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	5-POINT DISCORDIA LINE SUGGESTS AN AGE OF 1880 M.Y.
1884	3	1593.3	24	1687.8	26	1807.3	27			1880	15			"18.34, 15.61, 38.16"	zircon	5	"1.54E-04, 9.72E-04, 4.99E-05*"	1312		389.6	0	81.06	8.98	9.96				100/200 MESH; NON-MAGNETIC FRACTION	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	5-POINT DISCORDIA LINE SUGGESTS AN AGE OF 1880 M.Y.
1884	4	1191.2	18	1391.7	21	1714	25			1880	15			"18.34, 15.61, 38.16"	zircon	5	"1.54E-04, 9.72E-04, 4.99E-05*"	1781		415.3	0	74.78	7.87	17.35				200/285 MESH; MAGNETIC FRACTION	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	5-POINT DISCORDIA LINE SUGGESTS AN AGE OF 1880 M.Y.
1884	5	1424.5	21	1569.3	24	1769.9	27			1880	15			"18.34, 15.61, 38.16"	zircon	5	"1.54E-04, 9.72E-04, 4.99E-05*"	1855		490.8	0	80.37	8.7	10.93				SMALLER THAN 285 MESH	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	5-POINT DISCORDIA LINE SUGGESTS AN AGE OF 1880 M.Y.
1885	1	1692.6	28	1756.9	26	1834.3	38			1905	30			"18.34, 15.61, 38.16"	zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	657		212	0	82.99	9.34	7.67				"100-200 MESH, NON-MAGNETIC FRACTION OF MAGMATIC, DEEP BROWNISH-PURPLE, STRONGLY-ZONED ZIRCONS"	DATA FOR PB ARE FOR RADIOGENIC PB ONLY	A 3-POINT DISCORDIA LINE INDICATES A 1905 M.Y.AGE
1885	2	1598.2	24	1702.6	26	1833.6	38			1905	30			"18.34, 15.61, 38.16"	zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	813.4		242.2	0	81.52	9.11	9.38				"200-285 MESH FRACTION OF MAGMATIC, DEEP BROWNISH-PURPLE, STRONGLY-ZONED ZIRCONS"	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	A 3-POINT DISCORDIA LINE INDICATES A 1905 M.Y. AGE
1885	3	1508.9	23	1638.4	25	1808.8	36			1905	30			"18.34, 15.61, 38.16"	zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	945.8		263.2	0	81.28	9.01	9.71				"SMALLER THAN 285 MESH, MAGNETIC FRACTION OF MAGMATIC, DEEP BROWNISH-PURPLE, STRONGLY-ZONED ZIRCONS"	DATA FOR LEAD ARE FOR RADIOGENIC LEAD ONLY	A 3-POINT DISCORDIA LINE INDICATES A 1905 M.Y. AGE
1905	1	2035		2270.1		2489.2									sphene	0.5	"1.54E-04, 9.72E-04, 4.99E-05*"	37.5		38.7	0.29	35.21	9.36	55.14						PB-U AGES HAVE BEEN LOWERED BY THERMAL METAMORPHISM
1906	1	2491.7		2507		2519.4									sphene	1.7	"1.54E-04, 9.72E-04, 4.99E-05*"	45.1		53.2	0.22	37.47	8.93	53.38						PB-U AGES HAVE BEEN LOWERED BY THERMAL METAMORPHISM
1907	1	2576.1		2615.6		2646.3									sphene	3.31	"1.54E-04, 9.72E-04, 4.99E-05*"	17		28.6	0.36	30.26	9.86	59.52						"APPARENTLY, THE 206PB/238U AND 207PB/235U AGES HAVE BEEN AFFECTED BY THE THERMAL METAMORPHISM"
1908	1	2690.2		2664.9		2645.8									sphene	7.25	"1.54E-04, 9.72E-04, 4.99E-05*"	61.6		130.6	0.6	29.18	12.44	57.78			age of intrusion			
1929	1	451.7		1189.3		2998.4									zircon	1	"1.54E-04, 9.72E-04, 4.99E-05*"	1142		104	0.13	71.01	17.3	11.56			initial age disturbed by weathering	WEATHERED ZIRCONS		
1930	1	1677.7		2447.8		3168.5									zircon	2	"1.54E-04, 9.72E-04, 4.99E-05*"	339		126	0.082	70.23	18.37	11.32			initial age disturbed by weathering	WEATHERED ZIRCONS		
1931	1	1563.5		2467.5		3327.6									zircon	3	"1.54E-04, 9.72E-04, 4.99E-05*"	406		139	0.067	70.7	20.11	9.12			initial age disturbed by weathering	WEATHERED ZIRCONS		
1932	1	2620.7	55	2872.2	60	3053.7	60			3550					zircon	1	"1.54E-04, 9.72E-04, 4.99E-05*"	962		548	0.04	76.17	18.06	5.73	97				LOWER CONCORDIA INTERCEPT IS 1850 M.Y.	3-POINT DISCORDIA LINE SUGGESTS THAT THE GNEISS FORMED ABOUT 3550 M.Y. AGO
1933	1	2799.4	55	3030.1	60	3186.9	65			3550					zircon	2	"1.54E-04, 9.72E-04, 4.99E-05*"	767		478	0.03	75.46	19.24	5.27	97				LOWER CONCORDIA INTERCEPT IS 1850 M.Y.	3-POINT DISCORDIA LINE SUGGESTS THAT THE GNEISS FORMED ABOUT 3550 M.Y. AGO
1934	1	2888.8	60	3089.3	60	3222.4	65			3550					zircon	3	"1.54E-04, 9.72E-04, 4.99E-05*"	810		537	0.05	73.95	19.57	6.43	97				LOWER CONCORDIA INTERCEPT IS 1850 M.Y.	3-POINT DISCORDIA LINE SUGGESTS THAT THE GNEISS FORMED ABOUT 3550 M.Y. AGO
1935	1	1578.4	30	1668	35	1782.7	35								zircon	4	"1.54E-04, 9.72E-04, 4.99E-05*"	1136		374	0.11	74.04	9.59	16.26			age of intrusion			BEST AGE FOR SAMPLE IS 1825 M.Y.
2297	1	390.3		395.8		428	25			450	25			"1.0, 18.3, 15.7"	zircon	MMQ-11	"1.5369E-04, 9.7216E-04, 4.990E-05*"	1440		97	0.04	80.13	5.06	14.77	125			"COLORLESS, SLIGHTLY IRREGULAR, FACETED CRYSTALS COMMONLY WITH CLOUDY OPAQUE PATCHES IN THE INTERIOR"		A 5-POINT ZIRCON DISCORDIA CHORD INDICATES A PRIMARY AGE OF 450 M.Y.
2297	2	376.5		386.9		449.6	35			450	25			"1.0, 18.3, 15.7"	zircon	MMQ-11	"1.5369E-04, 9.7216E-04, 4.990E-05*"	970		63.4	0.08	79.12	5.57	15.23	125			"NON-MAGNETIC FRACTION IS ENRICHED IN SMALL, CLEAR, PALE-STRAW-COLORED ZIRCONS WHICH ARE NEARLY FREE OF INCLUSIONS."		A 5-POINT ZIRCON DISCORDIA CHORD INDICATES AN AGE OF 450 M.Y.
2297	3	326.9		340.5		434.4	25			450	25			"1.0, 18.3, 15.7"	zircon	MMQ-11	"1.5369E-04, 9.7216E-04, 4.990E-05*"	2440		135	0.06	80.95	5.4	13.58	125			"MAGNETIC FRACTION IS STRONGLY ENRICHED IN SMALL, STUBBY, VERY-POORLY-FORMED, CLOUDY, DARK-BROWN ZIRCONS"		A 5-POINT ZIRCON DISCORDIA CHORD INDICATES AN AGE OF 450 M.Y.
2300	1	374.5		379		406.6	25			450	25			"1.0, 18.3, 15.7"	zircon	MJH-1	"1.5369E-04, 9.7216E-04, 4.990E-05*"	1236		74.8	0.04	85.03	5.26	9.67	125			"ZIRCONS ARE COLORLESS, SLIGHTLY IRREGULAR, FACETED CRYSTALS WITH SMALL OPAQUE CLOUDY PATCHES IN THE INTERIOR"		A 5-POINT ZIRCON DISCORDIA CHORD INDICATES AN AGE OF 450 M.Y.
2301	1	408.2		410.6		424.1	25			450	25			"1.0, 18.3, 15.7"	zircon	MHL-1	"1.5369E-04, 9.7216E-04, 4.990E-05*"	871		60.6	0.02	80.81	4.84	14.33	125			"COLORLESS, SOMEWHAT IRREGULAR, FACETED CRYSTALS WITH LOCALLY CLOUDY OPAQUE PATCHES IN THE INTERIOR"		A 5-POINT ZIRCON DISCORDIA CHORD INDICATES AN AGE OF 450 M.Y.
2593	1	422	4	427	4	451	6	420	4	450				"17.90, 15.65, 38.20"	zircon	163	"1.55125E-04, 9.8485E-04, 4.9475E-05"	886.4	400.5	62.85	0.033	81.93	5.045	12.99				-200+250 MESH		AGE ABOUT 450 M.Y.
2594	1	413	4	418	4	446	6	411	4	450				"17.90, 15.65, 38.20"	zircon	170A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	158.6	67.9	10.98	0.038	82.24	5.13	12.59				-100+150 MESH		AGE ABOUT 450 M.Y.
2594	2	430	4	432	4	442	5	439	4	450				"17.90, 15.65, 38.20"	zircon	170A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	203.6	86.6	14.41	0.01	83.28	4.766	11.94				-200+270 MESH		AGE ABOUT 450 M.Y.
2595	1	375	4	378	6	398	10	378	5	395				"17.90, 15.65, 38.20"	zircon	175	"1.55125E-04, 9.8485E-04, 4.9475E-05"	207.5	135	14.58	0.109	74.71	5.667	19.51				-100+150 MESH		AGE ABOUT 395 M.Y.
2595	2	381	4	383	4	393	5	392	4	395				"17.90, 15.65, 38.20"	zircon	175	"1.55125E-04, 9.8485E-04, 4.9475E-05"	245.2	157.1	16.39	0.022	78.11	4.562	17.31				-200+325 MESH		AGE ABOUT 395 M.Y.
2596	1	380	4	382	4	392	6	384	4	395				"17.90, 15.65, 38.20"	zircon	172	"1.55125E-04, 9.8485E-04, 4.9475E-05"	327.8	147.3	20.97	0.039	81.65	5.007	13.31				-100+150 MESH		AGE ABOUT 395 M.Y.
2596	2	370	4	374	4	392	5	374	4	395					zircon	172	"1.55125E-04, 9.8485E-04, 4.9475E-05"	420.4	191	25.84	0.02	82.31	4.774	12.89				-200+325 MESH		AGE ABOUT 395 M.Y.
2875	1	490.4	20	746.2	80	0		783.2	50						zircon	LS-(1+4)-63	"1.54E-04, 9.72E-04, 4.88E-05*"	935	246	426	1.125	35.49	18.99	44.39		Jaffe and others (1959)	"sample contains inherited material, age is too old"	"COLORLESS, WITH TRACE OF OVOID, PURPLE (PRECAMBRIAN?) GRAINS"		
2876	1	31.8	2	47.4	20	0		39.5	6						zircon	LS-2-63	"1.54E-04, 9.72E-04, 4.88E-05*"	7490	8850	584	1.224	29.13	19.63	50.02			"maximum age of intrusion, material inherited from source rock, maximum age for unit"			
2877	1	31.8	2	46.4	3	0		27.6	2						zircon	LS-3-63	"1.54E-04, 9.72E-04, 4.88E-05*"	5820	11100	53.5	0.343	52.65	8.57	38.44			"maximum age of intrusion, material inherited from source rock, maximum age for unit"			
3083	1					0								"18.02, 15.45"	zircon	MV-37	"1.5369E-04, 9.7216E-04, 4.990E-05"	927		522								SINGLE ZIRCON GRAIN	NO AGE CALCULATED	"NO CALCULATED PB/U AGES OR CONCORDIA INTERCEPT AGE GIVEN.  ANALYTICAL DATA PLOTTED ON CONCORDIA DIAGRAM SUGGEST AGREEMENT WITH FARHAT'S CONCORDIA INTERCEPT AGE OF 3230 M.Y.  (FARHAT, J.S., 1975, GEOCHEMICAL AND GEOCHRONOLOGICAL INVESTIGATION OF THE EARLY"
3084	1					0								"18.02, 15.45"	zircon	MV-38	"1.5369E-04, 9.7216E-04, 4.990E-05"	378		252								SINGLE ZIRCON GNEISS	NO AGE CALCULATED	"NO CALCULATED U/PB AGES OR CONCORDIA INTERCEPT AGE GIVEN.  ANALYTICAL DATA PLOTTED ON CONCORDIA DIAGRAM SUGGEST AGREEMENT WITH FARHAT'S CONCORDIA INTERCEPT AGE OF 3230 M.Y.  (FARHAT, J.S., 1975, GEOCHEMICAL AND GEOCHRONOLOGICAL INVESTIGATION OF THE EARLY"
3084	2					0								"18.02, 15.45"	zircon	MV-38	"1.5369E-04, 9.7216E-04, 4.990E-05"	361		264								SINGLE ZIRCON GRAIN		NO AGE CALCULATED
3084	3					0								"18.02, 15.45"	zircon	MV-38'	"1.5369E-04, 9.7216E-04, 4.990E-05"	550		366								10 ZIRCON GRAINS		NO AGE CALCULATED
3084	4					0								"18.02, 15.45"	zircon	"MV-38"""	"1.5369E-04, 9.7216E-04, 4.990E-05"	368		232										NO AGE CALCULATED
3093	1					0									whole rock	KA54-69A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.8	13.2	22.2	1.39	22.03	21.79	54.79					NO U-PB AGES CALCULATED	"THE PB/PB DATA OF THIS WHOLE-ROCK, PLOTTED WITH DATA FROM SAMPLES KA605, KA606, KA607, FORMS A LINEAR ARRAY WHICH, WHEN TREATED AS A PB-PB SECONDARY ISOCHRON, HAS A SLOPE INDICATIVE OF A MODEL-LEAD AGE OF 3750+/-400 M.Y. ON A PB-207/PB-204 VERSUS PB-206/P"
3094	1					0									whole rock	KA209FGLM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.38	8.95	30.1	1.42	25.12	22.73	50.73					NO U/PB AGES CALCULATED	"THE PB/PB DATA OF THIS WHOLE-ROCK, PLOTTED WITH DATA FROM SAMPLE KA609, FORMS A LINE WHICH, WHEN TREATED AS A PB-PB SECONDARY ISOCHRON, HAS A SLOPE INDICATIVE OF A MODEL-LEAD AGE OF 3750+/-800 M.Y. ON A PB-207/PB-204 VERSUS PB-206/PB-204 DIAGRAM."
3094	2					0									whole rock	KA209FGLM2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.07	0.5	0.44	0.96	38.49	18.6	41.95				THIS IS THE SECOND LEACH OF THE WHOLE-ROCK WITH HCL		
3095	1					0									whole rock	KA605WZ	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.56	16	19	1.38	22.05	21.68	54.89					NO U/PB AGES CALCULATED	"THE PB/PB DATA OF THIS WHOLE-ROCK, PLOTTED WITH DATA FROM KA54, KA606, KA607, FORMS A LINEAR ARRAY WHICH, WHEN TREATED AS A PB-PB SECONDARY ISOCHRON, HAS A SLOPE INDICATIVE OF A MODEL-LEAD AGE OF 3750+/-400 M.Y. ON A PB-207/PB-204 VERSUS PB-206/PB-204 DIA"
3095	2					0									whole rock	KA605BC2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.03	1.13	0.46	1.19	20.81	19.15	58.84				THIS IS SECOND LEACH OF WHOLE-ROCK WITH HCL		
3096	1					0									whole rock	KA606WZ	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.9	18.8	20.7	1.39	21.5	21.56	55.55					NO U/PB AGES CALCULATED	"THE PB-PB DATA OF THIS WHOLE-ROCK, PLOTTED WITH DATA FROM SAMPLES KA54, KA607, KA605, FORMS A LINEAR ARRAY WHICH, WHEN TREATED AS A PB-PB SECONDARY ISOCHRON, HAS A SLOPE INDICATIVE OF A MODEL-LEAD AGE OF 3750+/-400 M.Y. ON A PB-207/PB-204 VERSUS PB-206/PB"
3097	1					0									whole rock	KA607BC	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.14	16.2	14.5	1.18	22.8	19.91	56.11					NO U/PB AGES CALCULATED	"THE PB/PB DATA OF THIS WHOLE-ROCK, PLOTTED WITH DATA FROM SAMPLES KA54, KA605, KA606, FORMS A LINEAR ARRAY WHICH, WHEN TREATED AS A PB-PB SECONDARY ISOCHRON, HAS A SLOPE INDICATIVE OF A MODEL-LEAD AGE OF 3750+/-400 M.Y. ON A PB-207/PB-204 VERSUS PB-206/PB"
3097	2					0									whole rock	KA607BC	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.16	17.4	14.7	1.19	22.99	20.22	55.6					DUPLICATE ANALYSIS	
3098	1					0									whole rock	KA609IJ	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.22	6.32	18.8	1.34	27.22	22.5	48.94					NO U/PB AGES WERE CALCULATED	"THE PB/PB DATA OF THIS WHOLE-ROCK, PLOTTED WITH DATA FROM SAMPLE KA209, FORMS A LINE WHICH, WHEN TREATED AS A PB-PB SECONDARY ISOCHRON, HAS A SLOPE INDICATIVE OF A MODEL-LEAD AGE OF 3750+/-800 M.Y. ON A PB-207/PB-204 VERSUS PB-206/PB-204 DIAGRAM."
3098	2					0									whole rock	KA609	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.14	0.33	0.62	0.92	40.09	18.33	40.66				THIS IS THE FIRST HCL LEACH OF THE WHOLE ROCK		
3099	1					0									K feldspar	KA385F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.06	0.11	7.04	1.59	21.03	23.25	54.13					NO U/PB AGES CALCULATED	"THE PB/PB DATA OF THIS FELDSPAR, PLOTTED ON A PB-207/PB-204 VERSUS PB-206/PB-204 DIAGRAM, LIES ON A PB-PB PRIMARY ISOCHRON FOR A MODEL-LEAD AGE OF 3200 M.Y."
3123	1	2402.3	36	2514.9	41	2607.1	13	1977.7	40					"14.42, 15.07, 33.81"	zircon	M5219	"1.54E-04, 9.72E-04, 4.88E-05*"	248.4	254	137.8	0.015	70.22	12.4	17.36				-325 MESH		BEST AGE OF INTRUSION IS 2638 M.Y.
3123	2	2494.7	38	2551.4	41	2596.8	13	1958	40					"14.42, 15.07, 33.81"	zircon	M5219	"1.54E-04, 9.72E-04, 4.88E-05*"	230.3	224.9	130.8	0.008	71.6	12.52	15.87				-120+200 MESH		BEST AGE OF INTRUSION IS 2630 M.Y.
3124	1	1965.5	30	2210.9	36	2446.8	12	1775.5	36					"14.42, 15.07, 33.81"	zircon	M5222	"1.54E-04, 9.72E-04, 4.88E-05*"	299.5	224.8	213	0.562	53.5	15.69	30.25				ZIRCONS VERY MAGNETIC	COMMON LEAD CONTENT VERY HIGH	CALCULATED AGES ARE LOW IF EMPLACEMENT OCCURRED AT 2700 M.Y. AGO.
3125	1	1553.6	23	1974	32	2448.7	12	941	19					"14.42, 15.07, 33.81"	zircon	M5223	"1.54E-04, 9.72E-04, 4.88E-05*"	321.7	309.8	107.4	0.09	71.78	12.52	15.69						CALCULATED AGES ARE LOW IF AGE OF EMPLACEMENT IS 2700 M.Y. AGO
3126	1	1856.3	28	2127	34	2399.9	12	1355.3	27					"14.42, 15.07, 33.81"	zircon	M5227	"1.54E-04, 9.72E-04, 4.88E-05*"	318.5	236.7	67.6	0.023	75.21	11.91	12.86						CALCULATED AGES ARE LOW IF AGE OF EMPLACEMENT IS 2700 M.Y. AGO
3127	1	1770	27	2159.6	35	2553.7	13							"14.42, 15.07, 33.81"	zircon	M5277	"1.54E-04, 9.72E-04, 4.88E-05*"	206.4		83.54	0.146	69.8	13.61	16.45						CALCULATED AGES LOW IF AGE OF EMPLACEMENT WAS 2700 M.Y. AGO
3128	1	1737.2	26	2077.6	33	2434.4	13	1805.1	37					"14.42, 15.07, 33.81"	zircon	M7029	"1.54E-04, 9.72E-04, 4.88E-05*"	531.3	395	235.1	0.223	64.26	12.97	22.54						"CALCULATED AGES ARE LOW IF AGE OF EMPLACEMENT WAS 2700 M.Y. AGO.  A LEAD-LEAD MODEL AGE DETERMINED FOR K-FELDSPAR AND WHOLE-ROCK, PLUS DATA FROM SIMILAR ROCKS, IS 2750 M.Y."
3129	1	1113.8	17	1633.5	26	2387.4	12	889.7	18					"14.42, 15.07, 33.81"	zircon	M7036	"1.54E-04, 9.72E-04, 4.88E-05*"	1053	956.3	267.1	0.164	66.88	12.35	20.61						CALCULATED AGES ARE LOW IF AGE OF EMPLACEMENT WAS 2700 M.Y. AGO
3130	1	1026.5	16	1071.9	17	1165.4	6	976.5	20					"14.42, 15.07, 33.81"	zircon	M7069	"1.54E-04, 9.72E-04, 4.88E-05*"	290.2	354.8	68.26	0.123	65.35	6.88	27.65				"ALL ZIRCON GRAINS COMPLETEY ANHEDRAL, HEAVY MINERALS ALMOST ENTIRELY EPIDOTE AND MAGNETITE"		"U/PB AGES ALMOST COMPLETELY RESET TO 1100 M.Y. AGE OF DULUTH GABBRO. A LEAD-LEAD MODEL AGE DETERMINED FOR K-FELDSPAR AND WHOLE-ROCK, PLUS DATA FROM SIMILAR ROCKS, IS 2750 M.Y."
3131	1	1841.5	28	2136.9	35	2434.4	12							"14.42, 15.07, 33.81"	zircon	M7094	"1.54E-04, 9.72E-04, 4.88E-05*"	531.2		264.7	0.232	61.35	12.61	25.82						CALCULATED AGES ARE LOW IF AGE OF EMPLACEMENT IS 2700 M.Y. AGO
3132	1	1920.9	29	2220.8	36	2510.2	12	1948.1	40					"14.42, 15.07, 33.81"	zircon	M7095	"1.54E-04, 9.72E-04, 4.88E-05*"	549	446	243.4	0.07	68.59	12.16	19.18						"CALCULATED AGES ARE LOW IF AGE OF EMPLECEMENT WAS 2700 M.Y. AGO.  A LEAD-LEAD MODEL AGE DETERMINED FOR K-FELDSPAR AND WHOLE-ROCK, PLUS DATA FROM SIMILAR ROCKS, IS 2750 M.Y."
3966	1	160.8		172.7		0		150.9						"18.51, 15.72, 38.44"	zircon	40A-MW-60	"1.54E-04, 9.72E-04, 4.88E-05*"	411.5	203.9	12.84	0.215	73.82	7.1	18.86			age of intrusion			K-AR AGES OF 42.3+/-1.4 M.Y. AND 71.2+/-3.1 M.Y. REPORTED FOR THIS SAMPLE BY LEE AND OTHERS (1970)
4601	1					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-1 (3M-150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	464.2		28.12	0.07	85.8	4.84	9.28	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON"	LOWER CONCORDIA INTERCEPT IS 289+/-10 M.Y.; 13-POINT CHORD	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO.
4601	2					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-1 (2M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	375.6		23.32	0.03	85.03	4.89	10.03	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON"		VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO
4601	3					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-1 (1M-200+250)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	275.3		24.81	0.52	77.15	4.72	17.61	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON"	LOWER CONCORDIA INTERCEPT IS 289+/-10 M.Y; 13-POINT CHORD	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO
4601	4					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-1 (1M-250)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	336.1		24.38	0.04	84.66	5	10.3	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON"	LOWER CONCORDIA INTERCEPT IS 289+/-10 M.Y.; 13-POINT CHORD	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO
4601	5					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-1 (INM+150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	249.3		26.02	0.35	73.37	4.77	21.52	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON."	LOWER CONCORDIA INTERCEPT IS 289+/-10 M.Y.; 13-POINT CHORD.	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO.
4602	1					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-1 (1NM-150+250)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	242.3		35.56	0.1	48.14	1.02	48.71	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON"	LOWER CONCORDIA INTERCEPT IS 289+/-10 M.Y.; 13-POINT CHORD	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO.
4603	1					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-4(5NM4M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1342		85.67	0.25	84.87	4.86	10.03	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON."	LOWER CONCORDIA INTERCEPT IS 289+/-10 M.Y.; 13-POINT CHORD.	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO.
4603	2					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-4(4NM3M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1373		88.39	0.36	84.82	5.1	9.72	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON."		VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO.
4603	3					0				730	26			"20.17, 15.82, 39.50"	zircon	Z4(3NM2M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"								355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON."	LOWER CONCORDIA INTERCEPT IS 289+/-10 M.Y.; 13-POINT CHORD; PB AND U VALUES NOT GIVEN.	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO.
4603	4					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-4(2NM1M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	291.2		17.3	0.12	82.08	4.91	12.89	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON"	LOWER CONCORDIA INTERCEPT IS 289+/1-10 M.Y.; 13-POINT CHORD	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO.
4603	5					0				730	26			"20.17, 15.82, 39.50"	zircon	Z-4(1NM)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1161		81.65	0.07	87.53	5.29	7.1	355				"LOWER CONCORDIA INTERCEPT IS 289+/-10 M.Y.; 13-POINT CHORD; (PB VALUE SHOULD PROBALY BE 81.65, NOT 31.65 PPM, AS LISTED--COMPILER)"	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO
4604	1					0				730	26			"20.17, 15.82, 39.50"	zircon	R8441(4M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1153		65.92	0.15	83.8	4.87	11.18	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON"	LOWER CONCORDIA INTERCEPT IS 289+/-10 M.Y.; 13-POINT CHORD	VOLCANICS FORMED 730 M.Y. AGO; METAMORPHOSED TO GNEISS ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO
4604	2					0				730	26			"20.17, 15.82, 39.50"	zircon	R8441(4NM)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	625.8		41.36	0.05	84.16	4.84	10.95	355			"CLEAR TO PINK, DOUBLY TERMINATED, EUHEDRAL TO SUBHEDRAL ZIRCON"		VOLCANICS FORMED 730 M.Y. AGO; METAMORHOSED TO GNEISS ABOUT 450 M.Y AGO; ZIRCONS EFFECTED BY THERMAL EVENT ABOUT 289 M.Y. AGO.
4605	1					0				1511	22			"20.17, 15.82, 39.50"	zircon	W-1(4M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	301.8		56.08	0.34	84.84	7.22	7.6	356			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCONS"	LOWER CONCORDIA INTERCEPT IS 278+/-15 M.Y.; 8-POINT CHORD	DETRITAL ZIRCONS IN A SANDSTONE WHICH WAS METAMORPHOSED ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT 276 M.Y. AGO.
4605	2					0				1511	22			"20.17, 15.82, 39.50"	zircon	W-1(2M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	329.2		66.48	0.06	82.36	7.66	9.93	356			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCON"		DETRITAL ZIRCONS IN A SANDSTONE WHICH WAS METAMORPHOSED ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT 276 M.Y. AGO.
4605	3					0				1511	22			"20.17, 15.82, 39.50"	zircon	W-1(1M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	270.5		60.91	0.08	80.79	8.06	11.07	356			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCON"	LOWER CONCORDIA INTERCEPT IS 278+/-15 M.Y.; 8-POINT CHORD.	DETRITAL ZIRCONS IN A SANDSTONE WHICH WAS METAMORPHOSED ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT 276 M.Y. AGO.
4605	4					0				1511	22			"20.17, 15.82, 39.50"	zircon	W-1(1NM)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	221.2		61.78	0.44	73.15	7.02	19.39	356			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCON"	LOWER CONCORDIA INTERCEPT IS 278+/-15 M.Y.; 8-POINT CHORD	DETRITIAL ZIRCONS IN A SANDSTONE WHICH WAS METAMORPHOSED ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT 276 M.Y. AGO
4610	1	355.4	4	365.2	8	427.9	16	330.4	6	450				"17.90, 15.65, 38.20"	zircon	98	"1.54E-04, 9.72E-04, 4.88E-05*"	839.4	370.1	56.43	0.191	75.93	6.997	16.88				MESH SIZE (-100+150)		AGE OF INTRUSION IS AROUND 450 M.Y.
4611	1	330.6	5	340.5	12	408.6	26	315.6	8	450				"17.90, 15.65, 38.20"	zircon	210	"1.54E-04, 9.72E-04, 4.88E-05*"	767.9	321.3	53.52	0.319	70.59	8.57	20.52				MESH SIZE (-200+270)		AGE OF INTRUSION IS ABOUT 450 M.Y.
4864	1	55.6	1	61.2	6	286.1	230							"18.52, 15.63, 37.93"	uraninite-pitchblende	K-6	"1.54E-04, 9.72E-04, 4.99E-05*"	478800	1000	13400	0.97	44.88	16.63	37.52				LISTED AS PITCHBLENDE		56 M.Y. MAY BE THE AGE OF MINERALIZATION
4865	1	50.6	1	53.3	2	176.4	100							"18.52, 15.63, 37.93"	uraninite-pitchblende	K-8	"1.54E-04, 9.72E-04, 4.99E-05*"	646600	7300	1800	0.57	65.7	11.78	21.97				LISTED AS PITCHBLENDE		AGE OF MINERALIZATION MAY BE AROUND 55 M.Y.
4866	1	34.7	1	41.5	2	454.7	130							"18.52, 15.63, 37.93"	uraninite-pitchblende	K-71	"1.54E-04, 9.72E-04, 4.99E-05*"	620300	3350	3900	0.33	78.8	9.59	11.35				LISTED AS PITCHBLENDE		AGE OF MINERALIZATION IS PROBABLY AROUND 50-60 M.Y. AGO
4867	1	799.1	10	848.8	20	981.1	35							"16.84, 15.40, 36.79"	uraninite-pitchblende	K-101	"1.54E-04, 9.72E-04, 4.99E-05*"	33200	150	5350	0.361	76.7	10.73	12.21				33200		1035 M.Y. IS A MINIMUM AGE FOR THE MINERALIZATION
4868	1	1603.2	5	1594	5	1581.9	10	1521	20						uraninite-pitchblende	K-120-A	"1.54E-04, 9.72E-04, 4.99E-05*"	531600	28700	144400	0.008	89.88	8.85	1.27						AGE OF EMPLACEMENT IS AROUND 1620 M.Y. AGO
4869	1	1379.9	5	1441	5	1532.4	15	1143.5	25						uraninite-pitchblende	K-120-B	"1.54E-04, 9.72E-04, 4.99E-05*"	631800	85500	143800	0.015	89.63	8.96	1.39						AGE OF EMPLACEMENT IS ABOUT 1610 M.Y. AGO
4870	1	238.2	5	306	5	861.3	30	199.8	7						samarskite	K-124	"1.54E-04, 9.72E-04, 4.99E-05*"	90400	17800	3500	0.124	83.88	7.47	8.54						AGES APPEAR TOO YOUNG
4871	1	255.1	8	254.6	8	250	35	285.3	8					"18.76, 15.84, 39.14"	samarskite	K-125	"1.54E-04, 9.72E-04, 4.99E-05*"	60400	28600	2700	0.088	79.18	5.41	15.41						AGE OF EMPLACEMENT IS PROBABLY ABOUT 260 M.Y. AGO
4967	1	94		112		0		88							monazite	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	563.2	27700	164.5									206/204=29.023; 207/204=16.326; 208/204=197.19	"THE MOST RELIABLE AGE IS PROBABLY THE 94 M.Y. AGE. R.W. KISTLER, ON THIS MAP, REPORTED THAT RB/SR ANALYSES INDICATED AN AGE OF 90-100 M.Y. FOR THE GRANITE."
5039	1	1150	2.5	1257	28.2	1448	81.2			1540				"16.000, 15.700, 36.000"	zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	508.9		113.8	0.0958	75.884	8.1915	15.824						THE CONCORDIA AGE SUGGESTS THAT THE PRIMARY AGE OR EMPLACEMENT AGE OF THE META-IGNEOUS AUGEN GNEISS IS 1540 M.Y.
5061	1	1040.3		1081.8		1166.4		1004.2							zircon	WSE-69-11	"1.54E-04, 9.72E-04, 4.88E-05*"	609.7	194.7	109.6	0.0235	84.06	6.97	8.948					COMPOSITION FOR 1000 M.Y. OLD MODEL LEAD USED IN MAKING COMMON LEAD CORRECTION	207PB/206PB AGE OF 1200 M.Y. PROBABLY APPROXIMATES INTRUSION AGE
5255	1	266		262.5		0		265.3							uraninite-pitchblende	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	791000	29800	30700	0.013	93.54	4.948	1.497						AGES NOT EVALUATED
5256	1	251.2		276.1	60	0		295.3						"18.5, 15.4, 38.2"	samarskite	23	"1.54E-04, 9.71E-04, 4.99E-05*"	69100	30500	3140	0.129	77.48	5.888	16.5			minimum age of intrusion			SIMILAR RB-SR AGES ARE REPORTED BY BROOKINS AND OTHERS (1969)
5257	1	56.6				0								"18.5, 15.4, 38.2"	uraninite-pitchblende	24	"1.54E-04, 9.71E-04, 4.99E-05*"	723000	1100	10630	0.638	63.13	12.25	23.98						A SIMILAR AGE IS REPORTED BY ECKELMANN AND KULP (1967)
5258	1	58.6				0								"18.5, 15.4, 38.2"	uraninite-pitchblende	25	"1.54E-04, 9.71E-04, 4.99E-05*"	382800	530	6430	0.698	59.64	13.12	26.54						A SIMILAR AGE IS REPORTED BY ECKELMANN AND KULP (1957)
5259	1	1717.4		1321.1	200	0		854.9						"18.5, 15.4, 38.2"	monazite	29	"1.54E-04, 9.71E-04, 4.99E-05*"	1220	93900	3720	0.025	9.068	1.122	89.78						A PRECAMBRIAN AGE IS INDICATED FOR THE PEGMATITE
5260	1	388		393		419				422	18			"19.0, 15.65, 38.20"	zircon	431-1-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	370.5		23.1	0.4	67.39	9.54	22.65	203				7-POINT CONCORDIA CHORD	GRANITE PROBABLY EMPLACED ABOUT 420 M.Y. AGO.  BALLARD AND UCHUPI (1975) REPORT A WHOLE-ROCK K-AR AGE OF 367 M.Y. FOR THIS GRANITE
5261	1	413		415		428				422	18			"19.0, 15.65, 38.20"	zircon	419-1-1-A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	591.3		40.36	0.187	74.29	6.84	18.67	203			NONMAGNETIC FRACTION	7-POINT CONCORDIA CHORD	GRANITE PROBABLY EMPLACED ABOUT 420 M.Y. AGO
5261	2	387		392		424				422	18			"19.0, 15.65, 38.20"	zircon	419-1-1-A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1283		82.43	0.13	76.61	6.12	17.1	203			MAGNETIC FRACTION	7-POINT CONCORDIA CHORD	GRANITE PROBABLY EMPLACED ABOUT 420 M.Y. AGO
5262	1	377		380		399				422	18			"19.0, 15.65, 38.20"	zircon	429-1-1-A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	334.9		21.45	0.178	75.03	6.67	18.05	203			NONMAGNETIC FRACTION	7-POINT CONCORDIA CHORD	GRANITE WAS PROBABLY EMPLACED 420 M.Y. AGO.  BALLARD AND UCHUPI (1975) REPORT A BIOTITE K-AR AGE OF 407 M.Y. FOR THIS GRANITE
5262	2	354		362		410				422	18			"19.0, 15.65, 38.20"	zircon	429-1-1-A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2044		119.7	0.0475	80.07	5.07	14.79	203			MAGNETIC FRACTION	7-POINT CONCORDIA CHORD	GRANITE WAS PROBABLY EMPLACED ABOUT 420 M.Y. AGO
5263	1	378		384		411				422	18			"19.0, 15.65, 38.20"	zircon	445-1-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	298.8		18.51	0.348	68.43	8.832	22.39	203			NONMAGNETIC FRACTION	7-POINT CONORDIA CHORD	GRANITE WAS PROBABLY EMPLACED ABOUT 420 M.Y. AGO.  BALLARD AND UCHUPI (1975) REPORT A WHOLE-ROCK K-AR AGE OF 306 M.Y. FOR THIS GRANITE
5263	2	361		367		394				422	18			"19.0, 15.65, 38.20"	zircon	445-1-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	427.2		25.44	0.396	65.91	9.37	24.3	203			MAGNETIC FRACTION (?)	7-POINT CONCORDIA CHORD	GRANITE WAS PROBABLY EMPLACED ABOUT 420 M.Y. AGO
5489	1	685	20	799.5	20	1133.5	40								zircon	L-202	"1.54E-04, 9.72E-04, 4.99E-05*"	631		85.6	0.252	75.36	9.54	14.94						THE 1150 M.Y. AGE MAY BE THE PRIMARY AGE OF THE GNEISS
5562	1	387		430		668				650	30			"17.5639, 15.8776, 36.467"	zircon	K-40 COMBINED	"1.55125E-04, 9.8485E-04, 4.9475E-05"	492		33.7	0.019	78.85	5.88	15.27	211			TOTAL ZIRCON POPULATION		THE AGE OF INTRUSION IS ABOUT 650 M.Y. AGO
5562	2	237		275		620				650	30			"17.5639, 15.8776, 36.467"	zircon	K-40 MAGNETIC	"1.55125E-04, 9.8485E-04, 4.9475E-05"	888		36.1	0.06	80.09	5.75	14.1	211			MAGNETIC ZIRCON FRACTION		
5562	3	441		471		626				650	30			"17.5639, 15.8776, 36.467"	zircon	K-40	"1.55125E-04, 9.8485E-04, 4.9475E-05"	386		29.3	0.033	80.9	5.38	13.68	211			NON MAGNETIC FRACTION		THE AGE OF INTRUSION IS ABOUT 650 M.Y. AGO
5563	1	525		548		646				650	30			"17.5639, 15.8776, 36.467"	zircon	K-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	361		37	0.162	73.92	6.92	19	211					THE AGE OF INTRUSION IS ABOUT 650 M.Y. AGO
5564	1	504		507		524				520				"17.7142, 15.8886, 36.627"	zircon	LCO-43	"1.55125E-04, 9.8485E-04, 4.9475E-05"	533		49	0.044	76.86	5.1	17.99						"NEARLY CONCORDANT U/PB AND PB/PB AGES SUGGEST THE PLUTON IS CAMBRIAN IN AGE, ABOUT 520 M.Y. OLD"
5614	1	710.8		726.4		774.9		611.6		820				"18.51, 15.72, 38.44"	zircon	1 (GFM-3)	"1.54E-04, 9.72E-04, 4.88E-05*"	73.3	70.2	12.8	0.328	63.21	8.89	27.57	194					THE BEST AGE FOR THE VOLCANISM IS 820 M.Y. (CONCORDIA INTERCEPT AGE)
5615	1	686.9		700.8		745.6		670.8		820				"18.51, 15.72, 38.44"	zircon	2 (GFM-4)	"1.54E-04, 9.72E-04, 4.88E-05*"	773.2	447.3	100.7	0.104	76.1	6.41	17.39	194					THE BEST AGE FOR THE VOLCANISM IS 820 M.Y. (CONCORDIA INTERCEPT AGE)
5616	1	744.5		754.1		782.7		765.4		820				"18.51, 15.72, 38.44"	zircon	3 (R-TC2-14)	"1.54E-04, 9.72E-04, 4.88E-05*"	118.9	104.5	19.9	0.201	66.72	7.27	25.81	194					THE BEST AGE FOR THE VOLCANISM IS 820 M.Y. (CONCORDIA INTERCEPT AGE)
5617	1	639.3		665.2		754		578		820				"18.51, 15.72, 38.44"	zircon	4 (R-WS1-56)	"1.54E-04, 9.72E-04, 4.88E-05*"	445.3	469.8	70.4	0.304	62.33	8.44	28.92	194					THE BEST AGE FOR THE VOLCANISM IS 820 M.Y. (CONCORDIA INTERCEPT AGE)
5618	1	520.2		550.7		678.9		428.1		820				"18.51, 15.72, 38.44"	zircon	5 (66-SQM-2)	"1.54E-04, 9.72E-04, 4.88E-05*"	95.2	62.5	11.2	0.329	67.31	8.99	23.37	194					THE BEST AGE FOR THE VOLCANISM IS 820 M.Y. (CONCORDIA INTERCEPT AGE)
5683	1	1072.1		1125.2		1229.2		1054.7		1300				"16.0, 15.50, 36.0"	zircon	M-51	"1.54E-04, 9.72E-04, 4.99E-05*"	324	138	61	0.046	81.35	7.32	11.28	216			"ZIRCONS ARE ROUNDED, CLEAR, WITH A FEW DUSTY CORES"	2-POINT DISCORDIA CURVE	PROBABLE AGE OF DETRITAL ZIRCONS IS 1300 M.Y.
5684	1	982.8		996.9		1028.1		1110.2		1050				"16.0, 15.50, 36.0"	zircon	G-9	"1.54E-04, 9.72E-04, 4.99E-05*"	475	140	79	0	85.59	6.31	8.1	217			"ZIRCONS ARE EUHEDRAL, MOSTLY CLEAR, PALE BROWNISH-RED, A FEW ARE BROWN, ZONED, AND WITH CORES"		THE PRIMARY AGE OF THE GNEISS IS AROUND 1050 M.Y.
5687	1	402		409.6		452.7	50	427.4						"18.1, 15.60, 38.0"	zircon	G-56	"1.54E-04, 9.72E-04, 4.99E-05*"	1179	1908	108	0.063	62.22	4.43	33.29				"ZIRCONS CLEAR PALE BROWN, A MIXTURE OF EQUANT AND ELONGATE GRAINS"		"AUTHORS SUGGEST THE ZIRCONS MAY BE SEDIMENTARY IN DERIVATION, BUT THE ROCK HAS MANY IGNEOUS FEATURES--COMPILER.  AGE IS PROBABLY 450-500 M.Y."
5688	1	794.2		848.8		994.4		743.8		1050				"16.0, 15.50, 36.0"	zircon	G-5	"1.54E-04, 9.72E-04, 4.99E-05*"	1244	328	166	0.054	85.08	6.93	7.94	217			"ZIRCON EUHEDRAL WITH SLIGHT ROUNDING OF TERMINATIONS, BROWNISH-PINK AND FULL OF INCLUSIONS, DARKER CORES"		THE PRIMARY AGE OF THE GNEISS IS AROUND 1050 M.Y.
5689	1	694.9		715.6		781.1	50	754.9						"16.0, 15.50, 36.0"	zircon	G-15	"1.54E-04, 9.72E-04, 4.99E-05*"	232	144	33	0.157	73.18	7.04	19.63				"ZIRCONS SHARPLY EUHEDRAL, CLEAR PALE BROWN, RARE WEAK ZONING, 20 PERCENT WITH DARKER CORES"		THE GRANITE GNEISS HAS A MINIMUM AGE OF 800 M.Y.
5697	1	982.8		996.9		1028.1		1110.2							zircon	13	"1.54E-04, 9.72E-04, 4.99E-05*"	475	140	78.5	0	85.59	6.31	8.1						"PRIMARY AGE FOR THE GNEISS IS ABOUT 1050 M.Y.; THIS SAMPLE APPEARS TO BE THE SAME SAMPLE AS G-9 IN DAVIS AND OTHERS, 1962, J.G.R."
5698	1	279.4	13	288.2	17	360.2	60	188.7	10					"18.58, 15.78, 38.82"	samarskite	K-3	"1.5369E-04, 9.7216E-04, 4.990E-05*"	99500	12650	4200	0.034	90.9	5.45	3.65				PRIMARY URANIUM MINERAL		"THE PEGMATITE PROBABLY FORMED NEAR THE END OF A METAMORPHIC EVENT, ABOUT 360 M.Y. AGO"
5699	1	304.1	6	308	13	337.6	80	227.6	50					"18.58, 15.78, 38.82"	samarskite	K-4	"1.5369E-04, 9.7216E-04, 4.990E-05*"	130600	11100	6030	0.04	91.3	5.63	3.15				PRIMARY URANIUM MINERAL		"THE PEGMATITE PROBABLY FORMED NEAR THE END OF A METAMORPHIC EVENT, ABOUT 360 M.Y AGO"
5700	1	363.6	18	348.4	20	248.3	40	444.1	80					"18.58, 15.78, 38.82"	samarskite	K-96-1	"1.5369E-04, 9.7216E-04, 4.990E-05*"	75300	2700	4100	0.03	92.43	5.24	2.32				PRIMARY URANIUM MINERAL		"THE PEGMATITE PROBABLY FORMED NEAR THE END OF A METAMORPHIC EVENT, ABOUT 360 M.Y. AGO"
5701	1	311.1	10	311.9	10	317.9	20	335.3	30					"18.58, 15.78, 38.82"	samarskite	K-96-2	"1.5369E-04, 9.7216E-04, 4.990E-05*"	73000	3000	3400	0.057	90.95	5.64	3.36				PRIMARY URANIUM MINERAL		"THE PEGMATITE PROBABLY FORMED NEAR THE END OF A METAMORPHIC EVENT, ABOUT 360 M.Y. AGO"
5702	1	340.8	4	341.5	5	346.3	15							"18.58, 15.78, 38.82"	uraninite-pitchblende	K-105	"1.5369E-04, 9.7216E-04, 4.990E-05*"	741600	4500	36800	0.004	94.6	5.04	0.352			age of intrusion		PB 204 LESS THAN 0.004 ATOM PERCENT	"THE PEGMATITE PROBABLY FORMED NEAR THE END OF A METAMORPHIC EVENT, ABOUT 360 M.Y. AGO"
5703	1					0	20							"18.58, 15.78, 38.82"	secondary uranium oxides	K-121	"1.5369E-04, 9.7216E-04, 4.990E-05*"				0.0145	93.68	5.25	1.06			minimum age of intrusion	SECONDARY URANIUM OXIDES		
5704	1					0	40								uraninite-pitchblende	82					0.007	94.48	5.14	0.4					DECAY CONSTANTS:  LAMBDA 238=1.54 E-10; LAMBDA 235=9.76 E-10	207PB/206PB AGE IS PROBABLY A MINIMUM INTRUSIVE AGE--COMPILER
5705	1					0	160								uraninite-pitchblende	81					0.09	89.63	6.37	3.99			age not evaluated		DECAY CONSTANTS:  LAMBDA-238=1.54 E-10; LAMBDA-235=9.76 E-10	
5721	1	487.3		498.5		550.3				575				"17.22, 15.61"	zircon	515R	"1.54E-04, 9.71E-04, 4.99E-05*"	812.8		78.6					226				A 2-POINT CONCORDIA CHORD	THE CONCORDIA INTERCEPT AGE (ASSUMING RECENT LEAD LOSS) OF 575 M.Y. IS PROBABLY THE AGE OF IGNEOUS INTRUSION
5722	1	483.3		490.3		522.9				575				"17.22, 15.61"	zircon	0-16R	"1.54E-04, 9.71E-04, 4.99E-05*"	832.1		74.8					226				2-POINT CONCORDIA CHORD	THE CONCORDIA INTERCEPT AGE (ASSUMING RECENT LEAD LOSS) OF 575 M.Y. IS PROBABLY THE AGE OF IGNEOUS INTRUSION
5723	1	539		547.6		580.5				620	20			"17.22, 15.61"	zircon	516V	"1.54E-04, 9.71E-04, 4.99E-05*"	535.9		84.5					227				3-POINT CONCORDIA CHORD; EPISODIC LEAD-LOSS DUE TO CONTEMPORARY (RECENT) LEACHING EFFECTS	CONCORDIA INTERCEPT AGE OF ABOUT 620 M.Y. IS PROBABLY THE AGE OF VOLCANISM
5724	1	736.2		706		611.7				620	20			"17.22, 15.61"	zircon	517V	"1.54E-04, 9.71E-04, 4.99E-05*"	403.9		60.5					227				3-POINT CONCORDIA CHORD; EPISODIC LEAD-LOSS DUE TO CONTEMPORARY (RECENT) LEACHING EFFECTS	CONCORDIA INTERCEPT AGE OF ABOUT 620 M.Y. IS PROBABLY THE AGE OF VOLCANISM
5725	1	213.1		245.1		564				620	20			"17.22, 15.61"	zircon	519V	"1.54E-04, 9.71E-04, 4.99E-05*"	562.3		26.7					227				3-POINT CONCORDIA CHORD; EPISODIC LEAD-LOSS DUE TO CONTEMPORARY (RECENT) LEACHING EFFECTS; (206PB/238U AGE INCORRECTLY REPORTED AS 248.6 M.Y.--COMPILER)	CONCORDIA INTERCEPT AGE OF ABOUT 620 M.Y. IS PROBABLY THE AGE OF VOLCANISM
5821	1	426		446		578								"17.915, 15.547, 37.708"	zircon	HGN	"1.55125E-04, 9.8485E-04, 4.9475E-05"	258.8		19.8	0.07	77.89	5.67	16.36				"NON-MAGNETIC, +200 MESH GRAIN SIZE, LENGTH (L)=300 MICRONS, WIDTH (W)=104 MICRONS, L/W=2.88.  GENERALLY EUHEDRAL, DARKER CORES WITH ZONED OVERGROWTHS, SMALLER CRYSTALS SHOW STRONGER ZONING, INCLUSIONS PARALLEL TO OVERGROWTHS"	ANALYSIS OF SOLUTION OBTAINED FROM A 120 MINUTE ACID LEACH OF ZIRCONS	MINIMUM AGE OF INTRUSION IS 578 M.Y.; A CONCORDIA INTERCEPT AGE OF 538 M.Y. WAS REPORTED BY ODOM AND FULLAGAR (1973); ZIRCONS ARE DESCRIBED AS HAVING AN IGNEOUS CORE (600? M.Y. OLD) AND A METAMORPHIC OVERGROWTH (450? M.Y. OLD)
5821	2					441								"17.915, 15.547, 37.708"	zircon	HGN	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.58	58.02	11.76	29.65				"NON-MAGNETIC, +200 MESH GRAIN SIZE"		APPROXIMATE TIME OF LEAD LOSS DUE TO METAMORPHISM; ZIRCONS ARE DESCRIBED AS HAVING AN IGNEOUS CORE (600? M.Y. OLD) AND A METAMORPHIC OVERGROWTH (450? M.Y. OLD)
5821	3					474								"17.915, 15.547, 37.708"	zircon	HGN	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.11	76.13	5.92	17.84				"NON-MAGNETIC, +200 MESH GRAIN SIZE"		APPROXIMATE TIME OF LEAD LOSS DUE TO METAMORPHISM; ZIRCONS ARE DESCRIBED AS HAVING AN IGNEOUS CORE (600? M.Y. OLD) AND A METAMORPHIC OVERGROWTH (450? M.Y. OLD)
5821	4	532		542		593								"17.915, 15.547, 37.708"	zircon	HGN	"1.55125E-04, 9.8485E-04, 4.9475E-05"	212.6		31.4	0.01	50.36	3.22	46.41				"NON-MAGNETIC, +200 MESH GRAIN SIZE"		593 M.Y. IS PROBABLE TIME (593 M.Y.) OF INTRUSION.  A CONCORDIA INTERCEPT AGE OF 538 M.Y. WAS REPORTED BY ODOM AND FULLAGAR (1973); THESE ZIRCONS ARE DESCRIBED AS HAVING AN IGNEOUS CORE (600? M.Y. OLD) AND A METAMORPHIC OVERGROWTH (450? M.Y. OLD)
5821	5	416		429		516								"17.915, 15.547, 37.708"	zircon	HGN	"1.55125E-04, 9.8485E-04, 4.9475E-05"	339.6		24.5	0.03	80.05	5.02	14.91				"NON-MAGNETIC, -200 MESH SIZE, LENGTH (L)=169 MICRONS, WIDTH (W)=49 MICRONS, L/W=3.45.  EUHEDRAL, TERMINATIONS SLIGHTLY FACETED, FEW INCLUSIONS, OVERGROWTHS COMMON"		INITIAL AGE--ABOUT 600 M.Y.--DISTURBED BY RECRYSTALLIZATION DURING METAMORPHISM
5822	1	417		425		489								"17.915, 15.547, 37.708"	zircon	B8A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	549.1		39.4	0.04	80.6	5.15	14.21				"NON-MAGNETIC, +200 MESH GRAIN SIZE, LENGTH (L)=222 MICRONS, WIDTH (W)=88 MICRONS, L/W=2.52.  EUHEDRAL, SHORTER AND DARKER PYRAMIDS, STRONGLY ZONED, CORE SHOWS FRACTURES, SOME CRYSTALS APPEAR CLOUDY"	ANALYTICAL ERROR OF CONCORDIA INTERCEPT IS +24 M.Y. AND -21 M.Y.	DATA DOES NOT ESTABLISH A CHORD
5822	2	405		412		463				456	23			"17.915, 15.547, 37.708"	zircon	B8A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	674		46.6	0.03	81.11	4.96	13.91	238			"NON-MAGNETIC, -200 MESH GRAIN SIZE, LENGTH (L)=140 MICRONS, WIDTH (W)=48 MICRONS, L/W=2.92.  STRONGLY FACETED AND FRACTURED, APPROX. 60% CLEAR GRAINS, INCLUSIONS COMMON, FEWER CORES THAN IN COARSER FRACTION"		CONCORDIA INTERCEPT AGE (456 M.Y.) APPROXIMATES THE AGE OF ZIRCON RECRYSTALLIZATION DURING METAMORPHISM AND MYLONITIZATION
5823	1	375		383		452				456				"17.915, 15.547, 37.708"	zircon	B8B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	832.6		53.3	0.06	81.56	5.37	13.01	238			"NON-MAGNETIC, +200 MESH GRAIN SIZE. LENGTH (L)=175 MICRONS, WIDTH (W)=68 MICRONS, L/W=2.57.  EUHEDRAL TO SUBHEDRAL, FRACTURING COMMON, DARK FACETED TERMINATIONS, RANDOM ORIENTATION OF INCLUSIONS, SOME CLOUDY CRYSTALS"	ANALYTICAL ERROR OF CONCORDIA INTERCEPT IS +24 M.Y. AND -21 M.Y.	CONCORDIA INTERCEPT AGE (456 M.Y.) APPROXIMATES THE AGE OF ZIRCON RECRYSTALLIZATION DURING METAMORPHISM AND MYLONITIZATION
5823	2	396		402		457				456				"17.915, 15.547, 37.708"	zircon	B8B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	959.1		64.3	0.04	81.91	5.2	12.84	238			"NON-MAGNETIC, -200 MESH SIZE, LENGTH (L)=164 MICRONS, WIDTH (W)=53 MICRONS, L/W=3.09.  FEW CORES, PRISMATIC, STRONGLY FACETED, SOME RANDOMLY ORIENTED INCLUSIONS, TERMINATIONS APPEAR DARK"		CONCORDIA INTERCEPT AGE (456 M.Y.) APPROXIMATES THE AGE OF ZIRCON RECRYSTALLIZATION DURING METAMORPHISM AND MYLONITIZATION
5824	1	371		381		462				456				"17.915, 15.547, 37.708"	zircon	B8C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	797.2		50.8	0.05	80.97	5.35	13.63	238			"NON-MAGNETIC, +200 MESH GRAIN SIZE, LENGTH (L)=239 MICRONS, WIDTH (W)=129 MICRONS, L/W=1.90.  OVERGROWTHS OVER VERY SMALL CORES, MOST WITH NO VISIBLE CORES, CLEAR CRYSTALS PREDOMINATE OVER CLOUDY, FACETING COMMON"	ANALYTICAL ERROR OF CONCORDIA INTERCEPT IS +24 M.Y. AND -21 M.Y.	CONCORDIA INTERCEPT AGE (456 M.Y.) APPROXIMATES THE AGE OF ZIRCON RECRYSTALLIZATION DURING METAMORPHISM AND MYLONITIZATION
5824	2	392		399		459				456				"17.915, 15.547, 37.708"	zircon	B8C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	864.9		58	0.04	81.2	5.19	13.57	238			"NON-MAGNETIC, -200 MESH GRAIN SIZE, LENGTH (L)=139 MICRONS, WIDTH (W)=64 MICRONS, L/W=1.85.  VERY FEW CLOUDY CRYSTALS, SOME FRACTURED, OBSERVED CORES MINIMAL, FACETING COMMON"		CONCORDIA INTERCEPT AGE (456 M.Y.) APPROXIMATES THE AGE OF ZIRCON RECRYSTALLIZATION DURING METAMORPHISM AND MYLONITIZATION
5942	1	421.9		428.4		0		524		538				"18.51, 15.71, 38.42"	zircon	D9-4	"1.54E-04, 9.72E-04, 4.99E-05*"	404.86		20.66	0.028	79.96	4.88	15.13	237			TOTAL ZIRCON POPULATION ANALYZED		CONCORDIA INTERCEPT AGE (538 M.Y.) AND RB-SR WHOLE-ROCK ISOCHRON AGE (535 M.Y.) REPRESENT THE AGE OF INTRUSION
5943	1	431.8		440.2		0		551.8		538				"18.51, 15.71, 38.42"	zircon	J2-6	"1.54E-04, 9.72E-04, 4.99E-05*"	350.55		25.89	0.032	79.41	4.99	15.56	237			-200 MESH GRAIN SIZE		CONCORDIA INTERCEPT AGE (538 M.Y.) AND RB-SR WHOLE-ROCK ISOCHRON AGE (535 M.Y.) REPRESENT THE AGE OF INTRUSION
5943	2	436.8		441.2		0		535.1		538				"18.51, 15.71, 38.42"	zircon	J2-6	"1.54E-04, 9.72E-04, 4.99E-05*"	270.23		19.83	0.034	80.56	5.05	14.35	237			+200 MESH GRAIN SIZE		CONCORDIA INTERCEPT AGE (538 M.Y.) AND RB-SR WHOLE-ROCK ISOCHRON AGE (535 M.Y.) REPRESENT THE AGE OF INTRUSION
5944	1	351.4		355.3		0		502.9		538				"18.51, 15.71, 38.42"	zircon	F6-2	"1.54E-04, 9.72E-04, 4.99E-05*"	518.26		29.58	0.34	82.8	5	12.17	237			TOTAL ZIRCON POPULATION ANALYZED		CONCORDIA INTERCEPT AGE (538 M.Y.) AND RB-SR WHOLE-ROCK ISOCHRON AGE (535 M.Y.) REPRESENT THE AGE OF INTRUSION
5950	1	1356		1584.1		1902.6								"16.25, 15.51, 35.73"	zircon	110	"1.54E-04, 9.72E-04, 4.99E-05*"	179.9		64.17	0.45	63.64	12.54	23.38						THE 1625 M.Y. AGE APPEARS TO BE THE BEST AGE FOR THE ZIRCONS
5951	1	1088		1342.3		1774.6								"16.25, 15.51, 35.73"	zircon	111	"1.54E-04, 9.72E-04, 4.99E-05*"	1469		263		88.22	9.56	2.06						THE DISCORDANT AGES MAY BE THE RESULT OF A MIXTURE OF ZIRCONS OF VARIOUS AGES
5952	1	136		215.2		1204.5								"18.30, 15.35, 37.29"	zircon	114	"1.54E-04, 9.72E-04, 4.99E-05*"	553.5		13.7	0.17	77.12	8.56	14.15						THESE AGES ARE PROBABLY THE RESULT OF LOSS OF URANIUM OR LEAD
5953	1	67.4		733.3		4792.4								"18.30, 15.35, 37.29"	zircon	115	"1.54E-04, 9.72E-04, 4.99E-05*"	107.7		1.71	0.49	66.19	10.48	22.84						THE 68 M.Y. AGE MAY BE THE MOST RELIABLE AGE
5954	1	306.7		370.1		789.1								"16.25, 15.51, 35.73"	zircon	116	"1.54E-04, 9.72E-04, 4.99E-05*"	704.8		38.4	0.24	80.65	8.77	10.34						"THE 818 M.Y. AGE MAY BE A MINIMUM AGE FOR THIS ROCK.  ARMSTRONG (1973, P. 45) THINKS ROCK IS MESOZOIC IN AGE--COMPILER"
5955	1	1393.8		1510.1		1677.2								"16.25, 15.51, 35.73"	zircon	117	"1.54E-04, 9.72E-04, 4.99E-05*"	273.5		79.4	0.2	74.16	10.24	15.4						THE 1665 M.Y. AGE APPEARS TO BE THE BEST AGE FOR THE ZIRCONS
5956	1	794.2		947.5		1323								"16.25, 15.51, 35.73"	zircon	118	"1.54E-04, 9.72E-04, 4.99E-05*"	695.5		97.4	0.14	82.63	9.04	8.2						ZIRCONS PROBABLY FORMED ABOUT 1500 M.Y. AGO
5957	1	1461.3		1458.8		1455.2								"16.25, 15.51, 35.73"	zircon	119	"1.54E-04, 9.72E-04, 4.99E-05*"	607.5		174.1	0.15	78.37	9.31	12.32						THE ZIRCONS PROBABLY FORMED ABOUT 1500 M.Y. AGO
5958	1	957		916.9		821.6								"16.25, 15.51, 35.73"	zircon	120	"1.54E-04, 9.72E-04, 4.99E-05*"	388.2		70.9	0.23	78.88	8.58	12.31						THE ZIRCONS PROBABLY FORMED ABOUT 1500 M.Y. AGO.  AGES AFFECTED BY A 900 M.Y. METAMORPHIC EVENT
5959	1	72.5		95.1		707								"18.30, 15.35, 37.29"	zircon	121	"1.54E-04, 9.72E-04, 4.99E-05*"	546.4		6.53	0.06	83.31	6.04	10.59						THE 74 M.Y. IS PROBABLY THE BEST AGE FOR THE QUARTZ DIORITE
5960	1	38.2		122.4		2416.4								"18.30, 15.35, 37.29"	zircon	122	"1.54E-04, 9.72E-04, 4.99E-05*"	362.9		22.46	1.22	30.58	20.02	48.23						NO INTERPRETATION MADE OF THESE AGES
5961	1	224.4		469.8		1963								"18.30, 15.35, 37.29"	zircon	123	"1.54E-04, 9.72E-04, 4.99E-05*"	894.4		44.6	0.17	75.04	9.23	15.56						OLD AGES PROBABLY DUE TO CONTAMINATION WITH OLDER ZIRCONS
5962	1	60		45.8		0								"18.30, 15.35, 37.29"	zircon	124	"1.54E-04, 9.72E-04, 4.99E-05*"	346.2		4.15	0.25	70.69	6.21	22.85						"THE PLUTON IS 90-100 M.Y. OLD (SEE MILLER AND ENGELS, 1975)"
5963	1	178.7		293.1		1345.9								"18.30, 15.35, 37.29"	zircon	125	"1.54E-04, 9.72E-04, 4.99E-05*"	320.2		9.34	0.02	82.93	7.46	9.59						THE OLD AGES SUGGEST CONTAMINATION WITH OLD ZIRCONS
5964	1	103.2		287.2		2310.4								"18.30, 15.35, 37.29"	zircon	126	"1.54E-04, 9.72E-04, 4.99E-05*"	4348		586	1.19	28.9	19.78	50.13				"MOSTLY COLORLESS ZIRCON, SOME GREENISH BROWN ZIRCONS (METAMICT?)"		"AGES TOO OLD, PROBABLY CONTAMINATION WITH OLD ZIRCONS"
5965	1	1367.9		1385.7		1413.2								"16.25, 15.51, 35.73"	zircon	140	"1.54E-04, 9.72E-04, 4.99E-05*"	785.7		271.5	0.466	66.219	12.487	20.828						ZIRCONS PROBABLY FORMED ABOUT 1500 M.Y. AGO
5966	1	65.5	0.1	206.3	4.7	2455.6	102							"18.35, 15.38, 37.37"	zircon	X	"1.54E-04, 9.72E-04, 4.99E-05*"	2288.9		37.48	0.464	61.954	15.716	21.866						"THE 2500 M.Y. AGE IS THOUGHT TO BE THE MOST RELIABLE AGE.  ARMSTRONG (1975, P. 45) SUGGESTS THAT THE ZIRCONS ARE MORE LIKELY 60-70 M.Y. IN AGE"
5967	1	422.9	0.9	707.7	16.1	1762.4	88							"16.00, 15.00, 35.34"	zircon	Y	"1.54E-04, 9.72E-04, 4.99E-05*"	1121.7		178.7	0.8028	49.481	16.0041	33.7122						"INTERPRETATION OF THESE AGES IS UNCERTAIN.  THE 1795 M.Y. AGE SHOULD BE THE MOST RELIABLE AGE.  ARMSTRONG (1975, P. 46) THINKS ZIRCONS ARE XENOCRYSTIC; ROCK IS MESOZOIC IN AGE"
6169	1	78	2	73	4	0		73	2					"19.79, 15.67, 40.59"	rare earth carbonate	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	57.5	17100	55.2	0.0062	1.228	0.1455	98.62				RARE EARTH CARBONATE		AGES SUGGEST THAT MINERALIZATION OCCURRED ABOUT 75 M.Y. AGO
6169	2	79	2	72	9	0		75	2					"19.79, 15.67, 40.59"	rare earth carbonate	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	53.2	14500	48.4	0.0146	1.466	0.279	98.24				RARE EARTH CARBONATE		AGES SUGGEST THAT MINERALIZATION OCCURRED ABOUT 75 M.Y. AGO
6338	1					0									uraninite-pitchblende	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.88E-05"												NO ANALYTICAL DATA GIVEN	"AN AGE OF 1250 M.Y. IS LISTED.  SAMPLE LISTED BY ARMSTRONG (1976, ISOCHRON/WEST, NO. 15, P. 7, ENTRY NO. 9)"
6367	1	694.9		824.1		1190.8								"16.84, 15.40, 36.79"	uraninite-pitchblende	7	"1.54E-04, 9.72E-04, 4.99E-05*"	269000		40000	0.54	69.2	12.42	17.84						THE AGE OF THE VEIN IS AROUND 1200 M.Y.  THESE AGES WERE REPORTED BY ECKELMANN AND KULP (1957) AND THE ANALYTICAL DATA REPORTED BY KERR AND KULP (1952)
6377	1	574		596		680		538		725				"17.99, 15.31, 37.43"	zircon	1. L-64-1343B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	342.6	348.3	35.6	0.082	62.36	5.05	32.51						THE 680 M.Y. AGE IS PROBABLY A MINIMUM AGE FOR THE SYENITE
6453	1					0				82	10				zircon	A14E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	934.9			0.51	61.89	12.13	25.47			age of intrusion		206PB(RAD)=17.92 PPM (CORRECTED FOR MIXED COMMON LEAD)	SLOPE OF CHORD WAS ASSUMED
6454	1					0				66	10				zircon	A18A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	882			0.89	43.93	16.58	38.6	256		age of intrusion		206PB(RAD)=20.15 PPM (CORRECTED FOR MIXED COMMON LEAD)	UPPER CONCORDIA INTERCEPT IS 2075 +/- 175 M.Y.  DATA PLOT AT LOWER END OF CHORD.
6454	2					0				66	10				zircon	A18D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	816.3			0.66	53.8	14.34	31.2	256		age of intrusion		206PB(RAD)=20.43 PPM (CORRECTED FOR MIXED COMMON LEAD)	UPPER CONCORDIA INTERCEPT IS 2075 +/- 175 M.Y.  DATA PLOT AT LOWER END OF CHORD.
6455	1					0				66	10				zircon	A20	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1744.8			0.4	66.76	11.49	21.35	256		age of intrusion		206PB(RAD)=33.78 PPM (CORRECTED FOR MIXED COMMON LEAD)	UPPER CONCORDIA INTERCEPT IS 2075 +/- 175 M.Y.  DATA PLOT AT LOWER END OF CHORD.
6555	1	1620	3.6	2102	47.2	2625	105							"16.00, 15.00, 35.34"	zircon	PR.69.157	"1.55125E-04, 9.8485E-04, 4.9475E-05"	990.4		316.6	0.0723	77.065	14.2042	8.6589						THE 2625 M.Y. AGE IS THE AGE OF A METAMORPHIC EVENT BUT THE DAVIS CREEK SCHIST IS PROBABLY GREATER THAN 3000 M.Y.
6556	1	1595	3.5	2085	46.8	2620	104.9							"16.00, 15.00, 35.34"	zircon	PW.68.181	"1.55125E-04, 9.8485E-04, 4.9475E-05"	904.3		284.3	0.0833	77.308	14.3573	8.2511						THE 2620 M.Y. AGE IS THE AGE OF A METAMORPHIC EVENT BUT THIS SCHIST IS PROBABLY GREATER THAN 3000 M.Y.
6557	1	2050	4.5	2560	57.4	3000	113							"16.00, 15.00, 35.34"	zircon	PW.68.124	"1.55125E-04, 9.8485E-04, 4.9475E-05"	885.8		410	0.0355	69.393	15.4331	15.1383						THE 3000 M.Y. AGE IS PROBABLY AN AGE OF INTRUSION
6558	1	1670	3.7	2102	47.2	2565	103.7							"16.00, 15.00, 35.34"	zircon	PR.69.158	"1.55125E-04, 9.8485E-04, 4.9475E-05"	700.3		263.4	0.568	67.865	12.017	20.0614						INTRUSION AND METAMORPHISM PROBABLY OCCURRED AROUND 2565 M.Y. AGO
6559	1	1604	3.6			0								"16.00, 15.00, 35.34"	zircon	PW.68.59	"1.55125E-04, 9.8485E-04, 4.9475E-05"	923.9		2069	0.3195	15.917	3.467	80.2867					"A HIGH THORIUM-CONTENT ZIRCON WHICH MAKES IT DIFFICULT TO MAKE ""COMMON LEAD"" CORRECTION"	THIS AGE IS THE AGE OF A METAMORPHIC EVENT BUT THE GNEISS IS PROBABLY 2200 M.Y. OLD OR OLDER
6660	1	378.9		379.1		382.2		385						"18.2, 15.6, 38.0"	zircon	71-GWL-120	"1.55125E-04, 9.8485E-04, 4.9475E-05"	230.5	300	18.47	0.0481	65.99	4.29	29.67				-100+150 MESH SIZE	THORIUM VALUE ACCURATE TO ONLY +/- 4%	THE AGE OF INTRUSION IS 380 +/- 5 M.Y.
6660	2	377		377.2		380		390						"18.2, 15.6, 38.0"	zircon	71-GWL-120	"1.55125E-04, 9.8485E-04, 4.9475E-05"	294.4	290	21.53	0.0225	71.33	4.201	24.45				-200+270 MESH SIZE	THORIUM VALUE ACCURATE TO ONLY +/- 4%	THE AGE OF INTRUSION IS 380 +/- 5 M.Y.
7012	1	2635.6		2674.8		2704.6				2750				"13.35, 14.52,  -"	zircon	A29-3	"1.54E-04, 9.72E-04, 4.99E-05*"	184.7		110.3	0.04	72.63	13.98	13.35				ZIRCONS ARE VERY PALE LAVENDER AND QUITE CLEAR	DATA PLOT ON A CHORD INTERCEPTING THE CONCORDIA CURVE AT 2750 M.Y.	TIME OF INTRUSION WAS AROUND 2750 M.Y. AGO
7012	2	2531.4		2625.4		2698.7				2750				"13.35, 14.52,  -"	zircon	A29-3'	"1.54E-04, 9.72E-04, 4.99E-05*"	203.8		118.4	0.09	71.15	14.24	14.51				ZIRCONS ARE VERY PALE LAVENDER AND QUITE CLEAR	DATA PLOT ON A CHORD INTERCEPTING THE CONCORDIA CURVE AT 2750 M.Y.	TIME OF INTRUSION WAS AROUND 2750 M.Y. AGO
7013	1	2392.4		2561.3		2697.9				2750				"13.35, 14.52,  -"	zircon	A18-1	"1.54E-04, 9.72E-04, 4.99E-05*"	138.5		71.09	0.1	75.19	15.11	9.59				ZIRCONS ARE VERY PALE LAVENDER AND QUITE CLEAR	DATA PLOT ON A CHORD INTERCEPTING THE CONCORDIA CURVE AT 2750 M.Y.	ROCK METAMORPHOSED ABOUT 2750 M.Y. AGO
7014	1	2059.9		2398.4		2699.8								"13.35, 14.52,  -"	zircon	J14-4	"1.54E-04, 9.72E-04, 4.99E-05*"	770.9		335.8	0.03	74.18	14.2	11.59				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"	DATA PLOT NEAR A CHORD INTERCEPTING THE CONCORDIA CURVE AT 2750 M.Y.	TIME OF EMPLACEMENT WAS PROBABLY AROUND 2750 M.Y. AGO
7014	2	1707.4		2201		2698.8								"13.35, 14.52,  -"	zircon	J14-4'	"1.54E-04, 9.72E-04, 4.99E-05*"	1002		351.2	0.04	74.27	14.2	11.49				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"	DATA PLOT NEAR A CHORD INTERCEPTING THE CONCORDIA CURVE AT 2750 M.Y.	TIME OF EMPLACEMENT WAS PROBABLY AROUND 2750 M.Y. AGO
7014	3	1558.5		2112.2		2705.3								"13.35, 14.52,  -"	zircon	J14-4''	"1.54E-04, 9.72E-04, 4.99E-05*"	1151		367	0.04	73.74	14.15	12.07				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"	DATA PLOT NEAR A CHORD INTERCEPTING THE CONCORDIA CURVE AT 2750 M.Y.	TIME OF EMPLACEMENT WAS PROBABLY AROUND 2750 M.Y. AGO
7014	4	2382.5		2477.4		2556.2	40							"13.35, 14.52,  -"	apatite	J14-4	"1.54E-04, 9.72E-04, 4.99E-05*"	37.03		21.72	0.23	65.48	13.97	20.32						TIME OF EMPLACEMENT WAS PROBABLY AROUND 2750 M.Y. AGO
7014	5	2347.7		2442.8		2523	40							"13.35, 14.52,  -"	apatite	J14-4A	"1.54E-04, 9.72E-04, 4.99E-05*"				0.22	66.94	13.81	19.03					238U=2.653 MICROGRAM/25 ML; 206 PB=2.524 MICROGRAM/25 ML	TIME OF EMPLACEMENT WAS PROBABLY AROUND 2750 M.Y. AGO
7015	1	2958.2		2738.9		2581	155	3269.5	45					"13.35, 14.52, 33.57"	magnetite	J14-4A	"1.54E-04, 9.72E-04, 4.99E-05*"	0.21	7.34	1.47	0.39	12.21	6.84	80.56					ADDITIONAL ANALYSES SHOW THAT THE U-TH-PB CONCENTRATIONS AND ISOTOPIC RATIOS ARE HETEROGENEOUS IN THE MAGNETITE	TIME OF EMPLACEMENT WAS PROBABLY AROUND 2750 M.Y. AGO
7016	1	1995.3		2378.7		2725.7								"13.35, 14.52,  -"	zircon	J24-5	"1.54E-04, 9.72E-04, 4.99E-05*"	696.2		295.6	0.05	73.48	14.47	12				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"	DATA PLOT NEAR A CHORD INTERCEPTING THE CONCORDIA CURVE AT 2750 M.Y.	TIME OF EMPLACEMENT WAS PROBABLY AROUND 2750 M.Y. AGO
7017	1	1667.7		2156.6		2661.1								"13.35, 14.52,  -"	zircon	J7-5	"1.54E-04, 9.72E-04, 4.99E-05*"	1350		475.2	0.14	72.12	14.64	13.1				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"	DATA PLOT NEAR A CHORD INTERCEPTING THE CONCORDIA CURVE AT 2750 M.Y.	TIME OF EMPLACEMENT WAS PROBABLY AROUND 2750 M.Y. AGO
7018	1	2114.5		2383.6		2622.4								"13.35, 14.52,  -"	zircon	A29-2	"1.54E-04, 9.72E-04, 4.99E-05*"	1106		504.2	0.06	73.21	13.6	13.13				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"	DATA PLOT NEAR A CHORD INTERCEPTING THE CONCORDIA CURVE AT 2750 M.Y.	TIME OF EMPLACEMENT WAS PROBABLY AROUND 2750 M.Y. AGO
7019	1	2849		2970.9		3054.5								"12.58, 14.18,  -"	zircon	J21-3	"1.54E-04, 9.72E-04, 4.99E-05*"	460.4		301.7	0.02	72.85	16.98	10.15				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"		ZIRCONS MAY BE A COMPOSITE OF 3140 M.Y. OLD CORES (DETRITAL CORES) WITH 2750 M.Y. OVERGROWTHS
7020	1	2635.6		2867.2		3034.2								"12.58, 14.18,  -"	zircon	J8-5	"1.54E-04, 9.72E-04, 4.99E-05*"	503.1		296.3	0.03	73.64	17.09	9.24				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"		ZIRCONS MAY BE A COMPOSITE OF 3140 M.Y. OLD CORES (DETRITAL ZIRCONS) WITH 2750 M.Y. OVERGROWTHS
7020	2	2293.1		2674.8		2977.5								"12.58, 14.18,  -"	zircon	J8-5'	"1.54E-04, 9.72E-04, 4.99E-05*"	731.2		361.2	0.03	74.3	16.65	9.02				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"		ZIRCONS MAY BE A COMPOSITE OF 3140 M.Y. OLD CORES (DETRITAL ZIRCONS) WITH 2750 M.Y. OVERGROWTHS
7020	3	1920.9		2462.6		2946								"12.58, 14.18,  -"	zircon	J8-5''	"1.54E-04, 9.72E-04, 4.99E-05*"	1076		433.6	0.05	73.97	16.26	9.72				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"		ZIRCONS MAY BE A COMPOSITE OF 3140 M.Y. OLD CORES (DETRITAL ZIRCONS) WITH 2750 M.Y. OVERGROWTHS
7021	1	2551.2		2852.4		3072.7								"12.58, 14.18,  -"	zircon	J21-2	"1.54E-04, 9.72E-04, 4.99E-05*"	735.3		424.4	0.05	72.22	17.43	10.31				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"		ZIRCONS MAY BE A COMPOSITE OF 3140 M.Y. OLD CORES (DETRITAL ZIRCONS) WITH 2750 M.Y. OVERGROWTHS
7022	1	2248.5		2689.6		3040.2								"12.58, 14.18,  -"	zircon	J15-3	"1.54E-04, 9.72E-04, 4.99E-05*"	570.5		279.8	0.04	73.24	17.13	9.59				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"		ZIRCONS MAY BE A COMPOSITE OF 3140 M.Y. OLD CORES (DETRITAL ZIRCONS) WITH 2750 M.Y. OVERGROWTHS
7022	2	1424.5		1835.8		2340.4	35							"13.35, 14.52,  -"	apatite	J15-3	"1.54E-04, 9.72E-04, 4.99E-05*"	22.54		8.69	0.68	55.12	16.75	27.45						ROCK IS OLDER THAN 2750 M.Y.
7023	1	1702.5		2373.7		3013.5								"12.58, 14.18,  -"	zircon	A24-4	"1.54E-04, 9.72E-04, 4.99E-05*"	714.5		254.6	0.05	72.94	16.91	10.1				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"		ZIRCONS MAY BE A COMPOSITE OF 3140 M.Y. OLD CORES (DETRITAL ZIRCONS) WITH 2750 M.Y. OVERGROWTHS
7024	1	1662.8		2319.4		2961.1								"12.58, 14.18,  -"	zircon	J10-3	"1.54E-04, 9.72E-04, 4.99E-05*"	672		232.9	0.05	73.03	16.48	10.44				"ZIRCONS ARE A DEEP LAVENDER COMMONLY ZONED, AND MODERATELY TO HIGHLY METAMICT"		ZIRCONS MAY BE A COMPOSITE OF 3140 M.Y. OLD CORES (DETRITAL ZIRCONS) WITH 2750 M.Y. OVERGROWTHS
7025	1	1628		2186.2		2760.6								"12.58, 14.18,  -"	zircon	J23-1S	"1.54E-04, 9.72E-04, 4.99E-05*"	2251		736.1	0.08	75.47	15.52	8.94				ZIRCONS WERE A FAINT LAVENDER TO COLORLESS WITH ABOUT 16% HAVING OVERGROWTHS; THEY ARE ALSO ZONED AND HIGHLY METAMICT		THE 2815 M.Y. AGE MAY BE A MINIMUM AGE FOR THE FORMATION OF THE GRANITIC GNEISS (TIME OF METAMORPHISM)
7025	2	1464.2		2102.3		2802								"12.58, 14.18,  -"	zircon	J23-1L	"1.54E-04, 9.72E-04, 4.99E-05*"	1675		476.9	0.06	77.1	15.87	6.98				DOMINANTLY DEEP PURPLE GRAINS WITH MORE THAN 50% OVERGROWN WITH PALER MATERIAL; ZONING IS COMMON; THEY ARE HIGHLY METAMICT		THESE DARKER COLORED ZIRCONS MAY BE A COMPOSITE OF 3140 M.Y. OLD CORES (DETRITAL ZIRCONS) WITH 2750 OR 2815 M.Y. OLD OVERGROWTHS
7025	3	2442		2566.2		2665.8	40							"13.35, 14.52,  -"	apatite	J23-1	"1.54E-04, 9.72E-04, 4.99E-05*"	6.18		5.72	0.89	42.83	18.57	37.71						ROCK HAS A MINIMUM AGE OF 2815 M.Y.
7026	1					0									plagioclase	A15-3		0.01		0.38	1.45	23.92	22.49	52.15					NO AGE CALCULATED	A MODEL AGE OF 1700 +/- 300 M.Y. MAY BE INFERRED FROM THE DATA.  THIS INDICATES THAT THE ISOTOPIC SYSTEMS HAVE BEEN DISTURBED.  ROCK IS PROBABLY 2750 M.Y. OLD.
7293	1	376.2	4	375.6	4	371.9	4	425.2	4					"18.1, 15.6, 38.0"	zircon	138. USGS(D)-ME23	"1.54E-04, 9.71E-04, 4.99E-05*"	1864	518	114.6	0.0412	85.45	5.268	9.237				-150+250 MESH		GRANITE IS ABOUT 400 M.Y. OLD.  FAUL AND OTHERS (1963) PUBLISHED A BIOTITE K-AR AGE OF 380 M.Y. (RECALCULATED) AND A ZIRCON LEAD-ALPHA AGE OF 400 M.Y.
7293	2	374.2	4	374.6	4	377.1	5	423	4					"18.1, 15.6, 38.0"	zircon	138. USGS(D)-ME23	"1.54E-04, 9.71E-04, 4.99E-05*"	2019	576	126.5	0.0714	83.88	5.639	10.41				-250 +325 MESH		GRANITE IS ABOUT 400 M.Y. OLD
7294	1	396.1	4	397.3	4	404.3	4	436.3	4	412	14			"18.1, 15.6, 38.0"	zircon	139. USGS(D)-BUB-8	"1.54E-04, 9.71E-04, 4.99E-05*"	2126	28.5	126	0.0256	93.09	5.517	1.367	320			-60 +100 MESH	8-POINT CHORD	THE GRANITE IS ABOUT 412 M.Y. OLD
7294	2	401.1	4	402.2	4	408.5	3	445.2	4	412	14			"18.1, 15.6, 38.0"	zircon	139. USGS(D)-BUB-8	"1.54E-04, 9.71E-04, 4.99E-05*"	1760	37.3	104.6	0.0106	93.6	5.351	1.307	320			-150 +200 MESH	8-POINT CHORD	GRANITE IS ABOUT 412 M.Y. OLD
7295	1	353.4	4	355.9	4	372.2	3	309.7	3	412	14			"18.1, 15.6, 38.0"	zircon	140. USGS(D)-BUB-9	"1.54E-04, 9.71E-04, 4.99E-05*"	1865	251.8	100	0.0133	91.2	5.173	3.612	320			-60 +100 MESH	8-POINT CHORD	GRANITE IS ABOUT 412 M.Y. OLD
7295	2	213.4	2	229.7	2	400	3	406.3	4	412	14			"18.1, 15.6, 38.0"	zircon	140. USGS(D)-BUB-9	"1.54E-04, 9.71E-04, 4.99E-05*"	3993	205.4	126.6	0.0024	92.17	5.098	2.726	320			-100 +200 MESH	8-POINT CHORD	GRANITE IS ABOUT 412 M.Y. OLD
7296	1	375.2	4	375.6	4	378.1	3	400.8	4	412	14			"18.1, 15.6, 38.0"	zircon	141. USGS(D)-BUB-10	"1.54E-04, 9.71E-04, 4.99E-05*"	772.6	372.6	48.9	0.0186	82.44	4.747	12.8	320			-250 +325 MESH	8-POINT CHORD	QUARTZ DIORITE IS ABOUT 412 M.Y. OLD
7296	2	380.2	4	379.6	4	375.9	3	403	4	412	14			"18.1, 15.6, 38.0"	zircon	141. USGS(D)-BUB-10	"1.54E-04, 9.71E-04, 4.99E-05*"	876.7	470.3	56.5	0.0065	81.74	4.584	13.67	320			-325 +400 MESH	8-POINT CHORD	QUARTZ DIORITE IS ABOUT 412 M.Y. OLD
7297	1	419.9	4	414.1	4	381.9	3	297.5	3	412	14			"18.1, 15.6, 38.0"	zircon	142. USGS(D)-ORA-301	"1.54E-04, 9.71E-04, 4.99E-05*"	2586	516	167.3	0.0177	90.42	5.224	4.335	320			"-100 +150 MESH, NONMAGNETIC"	8-POINT CHORD	GRANITE IS ABOUT 412 M.Y. OLD
7297	2	418.9	4	415.1	4	394	3	219.8	2	412	14			"18.1, 15.6, 38.0"	zircon	142. USGS(D)-ORA-301	"1.54E-04, 9.71E-04, 4.99E-05*"	1896	1450	130.5	0.0152	84.78	4.906	10.3	320			"-100 +150 MESH, MAGNETIC"	8-POINT CHORD	GRANITE IS AROUND 412 M.Y. OLD
7298	1	356.4	4	356.9	4	360.1	4	298.6	3					"18.1, 15.6, 38.0"	zircon	143. USGS(D)-ORB-18	"1.54E-04, 9.71E-04, 4.99E-05*"	2581	602	145.8	0.0436	87.97	5.407	6.575				-100 +200 MESH		AGE OF THE LUCERNE GRANITE IS ABOUT 380 M.Y.
7719	1	185.6	5	181.6	5	129.9	60	210.9	5						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	1113	375	32.5	0	86.13	4.18	9.69				"MESH SIZE(-200+350); CRYSTALS CLEAR, ZONING NOT COMMON"		AGE OF INTRUSION IS PROBABLY 187 M.Y.; A K-AR AGE OF 182 M.Y. AND RB-SR AGE OF 185 M.Y. ALSO LISTED BUT WITHOUT LOCATION AND ANALYTICAL DATA.
7720	1	510.2	12	515.2	10	537.4	20	547.3	12						zircon	B	"1.54E-04, 9.72E-04, 4.99E-05*"	414	1337	63.5	0.11	91.97	6.97	0.95				"CLEAR OR SLIGHTLY CLOUDY, 1-2 CM CRYSTAL"		AGE OF PEGMATITE IS AROUND 520 M.Y.
7721	1	516.2	12	520.1	10	537.3	30	561.8	12						zircon	A	"1.54E-04, 9.72E-04, 4.99E-05*"	2062	8120	376	0.26	89.54	9.04	1.16				"METAMICT ZIRCON, BROWN-BLACK CLOUDINESS TO OPAQUE, ONE 1-2 CM CRYSTAL"		AGE OF PEGMATITE IS AROUND 520 M.Y.; A K-AR AGE OF 480 M.Y. AND RB-SR AGE OF 500 M.Y. ALSO LISTED BUT WITHOUT LOCATION OR ANALYTICAL DATA
7722	1	943.1	25	977.1	15	1054.3	25	988.1	40						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	337	122	53.8	0	84.48	6.25	9.27				"BROWN-BLACK COLOR, ZONED CRYSTALS; MESH SIZE(-100, +350)"		AGE OF THE GRANITE IS AROUND 1070 M.Y.; A K-AR AGE OF 1090 M.Y. AND A RB-SR AGE OF 1100 M.Y. WERE ALSO LISTED BUT WITHOUT LOCATION AND ANALYTICAL DATA
7723	1	1017.5	25	1051.2	20	1121.9	50								zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	774		127	0	89.51	6.87	3.62				ONE-HALF OF LARGE GEM-GRADE CRYSTAL		AGE OF SYENITE IS PROBABLY 1025 M.Y.
7724	1	625.4	20	760	30	1179.4	80	300.9	16						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	2950	1413	338	0.171	79.67	8.75	11.42				"COLORLESS TO BROWN-BLACK, ZONED CRYSTALS; MESH SIZE(-200 +350)"		AGE OF THE GRANITE IS GREATER THAN 1210 M.Y.; A K-AR AGE OF 1410 M.Y. AND A RB-SR AGE OF 1390 M.Y. ARE ALSO LISTED BUT WITHOUT LOCATION AND ANALYTICAL DATA
7725	1	619.4	25	697.8	20	959.3	40	347.5	12						zircon	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05*"	277	319	33.3	0.128	73.65	7.07	19.15				"MOSTLY CLEAR, ZONED CRYSTALS; MESH SIZE(200-350)"		AGE OF THE GRANITE IS PROBABLY ABOUT 980 M.Y.; A K-AR AGE OF 1030 M.Y. AND A RB-SR AGE OF 1020 M.Y. ARE ALSO LISTED BUT WITHOUT LOCATION AND ANALYTICAL DATA
7726	1	549		553		567				586	10			"18.0, 15.6, 38.5"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	87		8.42	0.013	77.93	5.1	16.96	334			"MESH SIZE(-200), CONCENTRATE"	4-POINT (ZIRCONS) CHORD; LOWER CONCORDIA INTERCEPT IS 340 M.Y.	AGE OF TUFF IS 586 M.Y.
7727	1	533		536		549				586	10			"18.0, 15.6, 38.5"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	146		13.75	0.021	77.67	4.85	17.46				"MESH SIZE(-200), CONCENTRATE"	4-POINT (ZIRCONS) CHORD; LOWER CONCORDIA INTERCEPT IS 340 M.Y.	AGE OF THE TUFF IS 586 M.Y.
7728	1	519		524		551				586	10			"18.0, 15.6, 38.5"	zircon	3A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	427		38.5	0.022	79.13	4.95	15.9	334			"MESH SIZE(-200), CONCENTRATE"	4-POINT (ZIRCONS) CHORD; LOWER CONCORDIA INTERCEPT IS 340 M.Y.	AGE OF THE TUFF IS 586 M.Y.
7728	2	528		532		552				586	10			"18.0, 15.6, 38.5"	zircon	3B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	655		61.7	0.024	77.2	4.88	17.9	334			"MESH SIZE(+200), CONCENTRATE"	4-POINT (ZIRCONS) CHORD; LOWER CONCORDIA INTERCEPT IS 340 M.Y.	AGE OF TUFF IS 586 M.Y.
7729	1					0				2595	40			"13.86, 14.78, 33.37"	zircon	GM2-1550-ZR	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.27	399	436.39	0.056	69.9	12.65	17.39	339		age of intrusion		7-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 100 +/- 75 M.Y.	ROSHOLT AND BARTEL (1969) OBTAINED A WHOLE-ROCK PB-PB AGE OF 2780 M.Y.; ROSHOLT AND OTHERS (1973) OBTAINED A WHOLE-ROCK PB-PB AGE OF 2750 +/- 80 M.Y. FOR GRANITE OF THE GRANITE MOUNTAINS
7730	1					0				2595	40			"13.86, 14.78, 33.37"	zircon	PD5-ZR6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3285		766.82	0.374	52.7	13.27	33.65	339		age of intrusion	"PALE PURPLE, STUBBY, ZONED ZIRCON"	7-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 100 +/- 75 M.Y.	ROSHOLT AND BARTEL (1969) OBTAINED A WHOLE-ROCK PB-PB AGE OF 2780 M.Y.; ROSHOLT AND OTHERS (1973) OBTAINED A WHOLE-ROCK PB-PB AGE OF 2750 +/- 80 M.Y. FOR GRANITE OF THE GRANITE MOUNTAINS
7730	2					0				2595	40			"13.86, 14.78, 33.57"	zircon	PD5-ZR7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.23		383.31	0.254	61.59	13.4	24.76	339		age of intrusion	"PURPLE, STUBBY, ZONED ZIRCON"	7-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 100 +/- 75 M.Y.	
7730	3					0				2595	40			"13.86, 14.78, 33.57"	zircon	PD5-ZR8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.75		697.35	0.318	58.6	13.71	27.36	339		age of intrusion	ONE GRAIN	7-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 100 +/- 75 M.Y.	
7730	4					0				2595	40			"13.86, 14.78, 33.57"	zircon	PD5-ZR9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.21		781.48	0.362	53.24	13.16	33.23	3339		age of intrusion	"OPAQUE TO TRANSLUCENT, STRAW-YELLOW TO PURPLISH COLORED ZIRCONS"	7-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 100 +/- 75 M.Y.	
7730	5					0				2595	40			"13.86, 14.78, 33.57"	zircon	PD5-ZR10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.31		387.63	0.128	70.14	13.45	16.28	339		age of intrusion	"ZIRCON NEEDLES, ACID-WASHED"	7-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 100 +/- 75 M.Y.	
7731	1					0				2595	40			"13.86, 14.78, 33.57"	zircon	PD5-ZR11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2186		627.39	0.255	59.75	13.4	26.6	339		age of intrusion	TRANSPARENT ZIRCON	7-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 100 +/- 75 M.Y.	ROSHOLT AND BARTEL (1969) OBTAINED A WHOLE-ROCK PB-PB AGE OF 2780 M.Y.; ROSHOLT AND OTHERS (1973) OBTAINED A WHOLE-ROCK PB-PB AGE OF 2750 +/- 80 M.Y. FOR GRANITE OF THE GRANITE MOUNTAINS.
7731	2					0									Unk	PD5-UT-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	24200	414000	905.79	0.516	39.93	13.32	46.23				"FRAGILE, COLORED TO COLORLESS GRAINS; GRAINS NOT ACIDWASHED"	NO AGE CALCULATED	
7731	3					0									Unk	PD5-UT-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	12750		253.62	0.475	42.19	13.23	44.11				"FRAGILE, COLORED TO COLORLESS GRAINS; ACID WASHED"	NO AGE CALCULATED	
7731	4					0									apatite	PD5-AP	"1.55125E-04, 9.8485E-04, 4.9475E-05"	69.2	96.4	46.17	0.14	64.1	12.18	23.58					NO AGE CALCULATED	
7731	5					0									whole rock	PD5-WRL	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.501	40.63	13.26	45.61					NO AGE CALCULATED	
7732	1					0				2640	20			"13.86, 14.78, 33.57"	zircon	TCM2-ZR1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	660		263.61	0.031	73.29	13.41	13.27			age of intrusion	"EUHEDRAL, PURPLE TO ORANGE-PURPLE CRYSTALS"	4-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 50 +/- 40 M.Y.	ROSHOLT AND BARTEL (1969) OBTAINED A WHOLE-ROCK PB-PB AGE OF 2780 M.Y.; ROSHOLT AND OTHERS (1973) OBTAINED A WHOLE-ROCK PB-PB AGE OF 2750 +/- 80 M.Y. FOR GRANITE OF THE GRANITE MOUNTAINS
7732	2					0				2640	40			"13.86, 14.78, 33.87"	zircon	TCM2-ZR2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	588		238.23	0.009	73.87	13.22	12.9			age of intrusion	"EUHEDRAL, PURPLE TO ORANGE-PURPLE CRYSTALS"	4-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 50 +/- 40 M.Y.	
7732	3					0				2640	20			"13.86, 14.78, 33.57"	zircon	TCM2-ZR3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1184		267.11	0.073	71.69	13.45	14.79			age of intrusion	"EUHEDRAL, PURPLE TO ORANGE-PURPLE CRYSTALS"	4-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 50 +/- 40 M.Y.	
7732	4					0				2640	20			"13.86, 14.78, 33.57"	zircon	TCM2-ZR4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	976		268.76	0.052	72.99	13.46	13.5			age of intrusion	"EUHEDRAL, PURPLE TO ORANGE-PURPLE CRYSTALS"	4-POINT CHORD (ZIRCONS); LOWER INTERCEPT IS 50 +/- 40 M.Y.	
7733	1					2560									zircon	MS1-ZR3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1030	398.2	398.43	0.001	74.7	12.75	12.55			minimum age of intrusion	PURPLE ZIRCONS		GRANITE IS PROBABLY 2595 M.Y. OLD
7733	2					2365									zircon	MS1-ZR4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	15200	5757	4341.6	0.006	74.72	11.4	13.88				YELLOW ZIRCONS		THE YELLOW ZIRCONS MAY HAVE FORMED ABOUT 2365 M.Y. AGO BUT GRANITIC PROBABLY IS 2595 M.Y. OLD
7733	3					0									zircon	MS1-ZR1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2717		896.86	0.076	74.37	11.98	13.58				MIXTURE OF PURPLE AND YELLOW ZIRCONS	NO AGE CALCULATED	
7733	4					0									zircon	MS1-ZR2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1919		573.83	0.031	77.1	13.17	9.7				MIXTURE OF PURPLE AND YELLOW ZIRCONS	NO AGE CALCULATED	
7733	5					2250									apatite	MS1-AP	"1.55125E-04, 9.8485E-04, 4.9475E-05"	44.57	48.88	20.09	0.15	68.88	11.69	19.28						THIS AGE IS PROBABLY A REDUCED AGE
7734	1					2510									epidote	MS1-EP1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	65.56											206 PB = 38.83 PPM	THIS MAY BE THE AGE OF THE ALTERATION THAT PRODUCED THE EPIDOTE AND OTHER SECONDARY MINERALS
7734	2					0									epidote	MS1-EP2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	70.46	72.16	62.28	0.05	66.51	11.6	21.85					NO AGE CALCULATED	
7734	3					0									epidote	MS1-EP3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	71.88		88.45	0.119	63.83	11.9	24.16					NO AGE CALCULATED	
7734	4					0									epidote	MS1-EP4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	58.37	74.01	58.27	0.105	66.21	12.14	21.55					NO AGE CALCULATED	
7734	5					0									epidote	MS1-EP5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	46.65	78.5	54.98	0.07	59.19	10.29	30.45					NO AGE CALCULATED	
7735	1					0									epidote	MS1-EP6		161.9	634.7	171.87	0.038	60.04	9.87	30.05					NO AGE CALCULATED	EPIDOTE MAY HAVE FORMED ABOUT 2510 M.Y. AGO; GRANITE FORMED 2595 M.Y. AGO
7735	2					0									epidote	MS1-EP7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	136.3	377.9	175.7	0.003	58.86	9.52	31.6					NO AGE CALCULATED	
7735	3					0									epidote	MS1-EP8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	130.3											206 PB = 71.97 PPM	
7965	1					0				1760	10				zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	847		274	0.164	75.67	10.29	13.88	342		age of volcanism	"CLEAR, EUHEDRAL CRYSTALS"	7-POINT CHORD (ZIRCONS)	
7966	1					0				1760	10				zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	469		158	0.163	75.68	10.35	13.8	342		age of volcanism	"LEAST MAGNETIC FRACTION OF CLEAR, EUHEDRAL CRYSTALS"	7-POINT CHORD (ZIRCONS)	
7967	1					0				1760	10				zircon	3-A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	471		137	0.148	74.96	9.99	14.92	342		age of volcanism	"LEAST MAGNETIC FRACTION OF CLEAR, EUHEDRAL CRYSTALS"	7-POINT CHORD (ZIRCONS)	
7967	2					0				1760	10				zircon	3-B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	758		199	0.238	72.02	10.77	16.98	342		age of volcanism	"MAGNETIC FRACTION OF CLEAR, EUHEDRAL CRYSTALS"	7-POINT CHORD (ZIRCONS)	
7968	1					0				1760	10				zircon	19-A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	352		112	0.051	80.49	9.33	10.13	342		age of intrusion	"LEAST MAGNETIC FRACTION OF CLEAR, EUHEDRAL CRYSTALS"	7-POINT CHORD (ZIRCONS)	
7968	2					0				1760	10				zircon	19-B1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	386		127	0.116	77.72	9.88	12.29	342		age of intrusion	"MAGNETIC FRACTION (100-200 MESH) OF CLEAR, EUHEDRAL CRYSTALS"	7-POINT CHORD (ZIRCONS)	
7968	3					0				1760	10				zircon	19-C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	484		151	0.086	78.34	9.58	12	342		age of intrusion	"MAGNETIC FRACTION OF CLEAR, EUHEDRAL CRYSTALS"	7-POINT CHORD (ZIRCONS)	
7972	1	1586		1674		1786									zircon	74-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	795		241	0.012	79.32	8.82	11.84				NONMAGNETIC ZIRCONS		DIKE IS AROUND 1786 M.Y. OLD
7973	1	2349		2566		2743				2780	30				zircon	75-6 (A1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	721		352	0.027	78	15.16	6.82				"60-100 MESH, EUHEDRAL BROWN CRYSTALS"	5-POINT CHORD (ZIRCONS)	MIGMATITE IS AROUND 2780 M.Y. OLD
7973	2	2336		2559		2740				2780	30				zircon	75-6 (A2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	697		336	0.016	78.12	15.03	6.89				"100-200 MESH, EUHEDRAL BROWN CRYSTALS"	5-POINT CHORD (ZIRCONS)	MIGMATITE IS AROUND 2780 M.Y. OLD
7973	3	2295		2534		2731				2780	30				zircon	75-6 (A3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	685		324	0.016	77.88	14.89	7.21				"200-400 MESH, EUHEDRAL BROWN CRYSTALS"	5-POINT CHORD (ZIRCONS)	MIGMATITE IS AROUND 2780 M.Y. OLD
7973	4	2202		2491		2736				2780	30				zircon	75-6 (C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	912		414	0.023	77.5	14.96	7.52				"EUHEDRAL, BROWN, MAGNETIC CRYSTALS"	5-POINT CHORD (ZIRCONS)	MIGMATITE IS AROUND 2780 M.Y. OLD
7973	5	2044		2389		2697				2780	30				zircon	75-6 (D)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1057		442	0.037	77.29	14.75	7.93				"MAGNETIC, EUHEDRAL, BROWN CRYSTALS"	5-POINT CHORD (ZIRCONS)	MIGMATITE IS AROUND 2780 M.Y. OLD
7974	1	1498		1612		1765									zircon	75-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1633		464	0.03	79.69	9.01	11.27				NONMAGNETIC ZIRCONS		TONALITIC DIKE IS AT LEAST 1765 M.Y. OLD
7975	1	1448		1577		1754									zircon	75-9E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3166		829	0.049	83.45	9.62	6.88				"NON-MAGNETIC, EUHEDRAL, RELATIVELY CLEAR ZIRCONS THAT OCCASIONALLY CONTAIN OLDER, ROUNDED ZIRCONS WITHIN THE CRYSTAL"		THE GNEISS IS AT LEAST 1765 M.Y. OLD
7976	1	2065		2386		2672									zircon	75-10 (A2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2159		1232	0.501	63.84	17.74	17.91				"100-200 MESH; DARK-BROWN, ROUNDED CRYSTALS WITH OCCASIONAL SMALL, CLEAR OVERGROWTHS"		MIGMATITE IS AROUND 2670 M.Y. OLD
7976	2	1981		2339		2668									zircon	75-10 (A3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1912		1142	0.6	60.14	18.25	21.01				"NON-MAGNETIC, DARK-BROWN, ROUNDED CRYSTALS WITH OCCASIONAL SMALL CLEAR OVERGROWTHS"		MIGMATITE IS AROUND 2670 M.Y. OLD
8060	1					0				1485	15			"17.81, 15.65, 36.87"	zircon	VS70-36	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1403			0.078	81.14	8.45	10.33	344		age of intrusion	"NON-MAGNETIC, 100-200 MESH CRYSTALS"	9-POINT CHORD (ZIRCONS); RADIOGENIC PB=307.6 PPM	
8060	2					0				1485	15			"17.81, 15.65, 36.87"	zircon	VS70-36	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2218			0.13	77.54	8.71	13.62	344		age of intrusion	"MAGNETIC, 100-200 MESH CRYSTALS"	9-POINT CHORD (ZIRCONS); RADIOGENIC PB=408.6 PPM	
8060	3					0				1485	15			"17.81, 15.65, 36.87"	zircon	VS70-36	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2744			0.343	68.12	10.67	20.87	344		age of intrusion	"MAGNETIC, 200 AND LESS MESH CRYSTALS"	9-POINT CHORD (ZIRCONS); RADIOGENIC PB=445.3 PPM	
8083	1					0				1485	15			"17.81, 15.65, 36.87"	zircon	B71-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	490			0.165	76.6	9.35	13.89	344		age of intrusion	"NONMAGNETIC, 100-200 MESH CRYSTALS"	9-POINT CHORD (ZIRCONS); RADIOGENIC PB=115.9 PPM	
8083	2					0				1485	15			"17.81, 15.65, 36.87"	zircon	B71-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2601			0.228	75.18	9.73	14.86	344		age of intrusion	"MAGNETIC, 100-200 MESH CRYSTALS"	9-POINT CHORD (ZIRCONS); RADIOGENIC PB=373.0 PPM	
8083	3					0				1485	15			"17.81, 15.65, 36.87"	zircon	B71-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2469			0.274	73.03	10.23	16.46	344		age of intrusion	"MAGNETIC, 200 AND LESS MESH CRYSTALS"	9-POINT CHORD (ZIRCONS); RADIOGENIC PB=356.5 PPM	
8084	1					0				1485	15			"17.81, 15.65, 36.87"	zircon	VS70-63	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1551			0.126	80.1	8.97	10.8	344		age of intrusion	"NON-MAGNETIC, 100-200 MESH CRYSTALS"	9-POINT CHORD (ZIRCONS); RADIOGENIC PB=280.8 PPM	
8084	2					0				1485	15			"17.81, 15.65, 36.87"	zircon	VS70-63	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2857			0.193	77.35	9.34	13.11	344		age of intrusion	"MAGNETIC, 100-200 MESH CRYSTALS"	9-POINT CHORD (ZIRCONS); RADIOGENIC PB=322.2 PPM	
8084	3					0				1485	15			"17.81, 15.65, 36.87"	zircon	VS70-63	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2189			0.167	78.46	9.19	12.19	344		age of intrusion	"MAGNETIC, 200 AND LESS MESH CRYSTALS"	9-POINT CHORD (ZIRCONS); RADIOGENIC PB=284.9 PPM	
8141	1	402	4	439	4	637	12	501	5					"18.0, 15.5, 37.5"	zircon	Z5(+150)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	330	47.4	20.7	0.019	88.5	5.67	5.82				MESH SIZE(+150); NONMAGNETIC		MINIMUM AGE OF 646 M.Y.
8141	2	405	4	432	4	584	10	431	4					"18.0, 15.5, 37.5"	zircon	Z5(+150)M	"1.55125E-04, 9.8485E-04, 4.9475E-05"	464.7	92.2	29.7	0.021	87.7	5.521	6.76				MESH SIZE(+150); MAGNETIC		MINIMUM AGE OF 646 M.Y.
8141	3	382	4	411	4	585	10	421	4					"18.0, 15.5, 37.5"	zircon	Z5(150/200)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	528.4	109.6	31.4	0.001	88.19	5.259	6.55				MESH SIZE(150/200)		MINIMUM AGE OF 646 M.Y.
8141	4	400	4	419	4	526	10	382	4					"18.0, 15.5, 37.5"	zircon	Z5(200/250)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	718.5	202.8	45.5	0.001	87.07	5.136	7.79				MESH SIZE(200/250)		MINIMUM AGE OF 646 M.Y.
8141	5	387	4	408	4	532	10	369	4					"18.0, 15.5, 37.5"	zircon	Z5(-250)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	668.4	217.6	41.4	0.006	86.07	5.087	8.83				MESH SIZE(-250)		MINIMUM AGE OF 646 M.Y.
8142	1	175	2	182	2	289	4	283	3					"18.0, 15.5, 37.5"	monazite	Z5M(+100)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3149	53402.3	757.7	0.005	10.06	0.597	89.34			age of metamorphic crystallization	MESH SIZE(+100); NONMAGNETIC		207 PB/ 206 PB AND 208 PB/ 232 TH AGES REFLECT CONTACT METAMORPHISM BY ADJACENT GRANITE
8143	1	317	3	358	4	638	12	374	4					"18.0, 15.5, 37.5"	zircon	Z8(+150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	726.8	158.8	36.4	0.016	86.7	5.507	7.83				MESH SIZE(+150)		MINIMUM AGE IS 646 M.Y.
8143	2	357	4	398	4	646	12	547	5					"18.0, 15.5, 37.5"	zircon	Z8(-200)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	599	99.9	34.8	0.05	85.14	5.934	8.88				MESH SIZE(-200)		MINIMUM AGE OF 646 M.Y.
8144	1	708	7	834	8	1188	22	731	7					"18.0, 15.5, 37.5"	zircon	S1(+150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	351.3	146.7	45.7	0.094	78.4	7.556	13.94				MESH SIZE(+150)		"ROUNDED, DETRITAL ZIRCON REFLECTING SEDIMENT PROVENANCE; 207 PB/ 206 PB AGE IS MAXIMUM FOR SEDIMENTATION"
8145	1	762	8	894	9	1237	24	1148	11					"18.0, 15.5, 37.5"	zircon	Z7(150/200)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	511.6	92	65.3	0.016	84.9	7.16	7.93				MESH SIZE(150/200)		"ROUNDED, DETRITAL ZIRCON REFLECTING SEDIMENT PROVENANCE; 207 PB/ 206 PB AGE IS MAXIMUM AGE FOR SEDIMENTATION"
8146	1	388	4	398	4	463	8	485	5	475	48			"18.0, 15.5, 37.5"	zircon	Z9(+150)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	876.1	114.7	53.8	0.049	87.82	5.657	6.47				MESH SIZE(+150); NONMAGNETIC	327	AGE OF INTRUSION IS 475 M.Y. BASED ON UPPER CONCORDIA INTERCEPT
8146	2	390	4	401	4	467	8	450	4	475	48			"18.0, 15.5, 37.5"	zircon	Z9(+150)VM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	905	132.9	56.1	0.052	87.5	5.703	6.75	327			MESH SIZE(+150); VERY MAGNETIC	BEST-FIT CHORD FOR DATA FROM 8 ZIRCON SUITES.	AGE OF INTRUSION IS 475 M.Y. BASED ON UPPER CONCORDIA INTERCEPT
8146	3	374	4	391	4	493	9	488	5	475	48			"18.0, 15.5, 37.5"	zircon	Z9(150/200)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	825.4	112.5	49.3	0.054	87.15	5.765	7.03	327			MESH SIZE(150/200)	BEST-FIT CHORD FOR DATA FROM 8 ZIRCON SUITES.	AGE OF INTRUSION IS 475 M.Y. BASED ON UPPER CONCORDIA INTERCEPT
8146	4	365	4	377	4	452	8	483	5	475	48			"18.0, 15.5, 37.5"	zircon	Z9(-250)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	826.6	107.9	46.3	0.009	89.51	5.142	5.34	327			MESH SIZE(-250)	BEST-FIT CHORD FOR DATA FROM 8 ZIRCON SUITES.	AGE OF INTRUSION IS 475 M.Y. BASED ON UPPER CONCORDIA INTERCEPT
8147	1	393	4	406	4	481	9	534	5	475	48			"18.0, 15.5, 37.5"	zircon	Z6(+150)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	575.6	112.2	38.1	0.09	83.41	6.05	10.45	327			MESH SIZE(+150); NONMAGNETIC	BEST-FIT CHORD FOR DATA FROM 8 ZIRCON SUITES	AGE OF INTRUSION IS 475 M.Y. BASED ON UPPER CONCORDIA INTERCEPT
8147	2	348	3	364	4	468	5	443	4	475	48			"18.0, 15.5, 37.5"	zircon	Z6(+150)M	"1.55125E-04, 9.8485E-04, 4.9475E-05"	739.2	144.7	43.4	0.106	83.09	6.228	10.57	327			MESH SIZE(+150); MAGNETIC	BEST-FIT CHORD FOR DATA FROM 8 ZIRCON SUITES.	AGE OF INTRUSION IS 475 M.Y. BASED ON UPPER CONCORDIA INTERCEPT
8147	3	387	4	399	4	473	8	518	5	475	48			"18.0, 15.5, 37.5"	zircon	Z6(150/200)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	686.1	133	44.3	0.082	83.97	5.934	10.02	327			MESH SIZE(150/200)	BEST-FIT CHORD FOR DATA FROM 8 ZIRCON SUITES.	AGE OF INTRUSION IS 475 M.Y. BASED ON UPPER CONCORDIA INTERCEPT
8147	4	375	4	388	4	468	9	502	5	475	48			"18.0, 15.5, 37.5"	zircon	Z6(-250)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	754.6	144.1	44.5	0.006	87.5	5.027	7.47	327			MESH SIZE(-250)	BEST-FIT CHORD FOR DATA FROM 8 ZIRCON SUITES.	AGE OF INTRUSION IS 475 M.Y. BASED ON UPPER CONCORDIA INTERCEPT
8148	1	332	3	343	3	419	8	338	3	275				"18.2, 15.6, 38"	zircon	Z3(+150)DK	"1.55125E-04, 9.8485E-04, 4.9475E-05"	712.1	350.8	41.8	0.075	79.02	5.461	15.44	328			MESH SIZE(+150); DARK CRYSTALS	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8148	2					332	6			275				"18.2, 15.60, 38"	zircon	Z3(+150)CL	"1.55125E-04, 9.8485E-04, 4.9475E-05"	670.6	1166.9		0.103	60.38	4.716	34.8	328			MESH SIZE(+150); CLEAR CRYSTALS	LEAD CONCENTRATION NOT DETERMINED; THUS U-PB AGES COULD NOT BE CALCULATED. BEST FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8148	3	267	3	273	3	322	6	255	3	275				"18.2, 15.6, 38"	zircon	Z3(-270)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	713	1864.2	49.9	0.037	53.01	3.334	43.61	328			MESH SIZE(-270)	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8149	1	374	4	387	4	466	9	339	3	275				"18.2, 15.6, 38"	zircon	3B(+150)DK	"1.55125E-04, 9.8485E-04, 4.9475E-05"	344.7	170.9	21.6	0.017	82.6	4.893	12.54	328			MESH SIZE(+150); DARK CRYSTALS	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8149	2	282	3	285	3	313	6	274	3	275				"18.20, 15.60, 38"	zircon	3B(150/200)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	667	574.1	36.4	0.092	72.11	5.147	22.65				MESH SIZE(150/200)	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8149	3	273	3	274	3	286	6	267	3	275				"18.2, 15.60, 38"	zircon	3B(200/325)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	736.8	667.2	37.1	0.015	74.1	4.08	21.81	328			MESH SIZE(200/325)	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8149	4	285	3	288	3	313	6	311	3	275				"18.2, 15.60, 38"	zircon	3B(325/400)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	721.3	689.8	41.6	0.082	69.05	4.842	26.02	328			MESH SIZE(325/400)	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8149	5	258	3	261	3	287	6	237	2	275				"18.2, 15.60, 38"	zircon	3B(-400)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	773.2	765.8	37.1	0.016	73.6	4.077	22.31	328			MESH SIZE(-400)	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8150	1	329	3	334	3	376	7	293	3	275				"18.2, 15.60, 38"	zircon	Z4(+150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	337.2	188.9	19.8	0.092	78.4	5.593	15.91	328			MESH SIZE(+150)	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8151	1	262	3	263	3	275	6	269	3	275				"18.2, 15.6, 38"	monazite	Z10M(+100)M	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1235.1	49271.4	648.7	0.021	7.26	0.68	92.04	328			MESH SIZE(+100); NONMAGNETIC	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8152	1	278	3	283	3	330	6	277	3	275				"18.2, 15.6, 38"	zircon	Z11(-200)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	885.4	590.8	44.6	0.061	76.45	4.939	18.55	328			MESH SIZE(-200)	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8152	2	270	3	271	3	284	6	262	3	275				"18.2, 15.60, 38"	monazite	Z11(+100)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	885.4	57609.8	762.6	0.007	10.93	0.677	88.93	329			MESH SIZE(+100); NONMAGNETIC	BEST-FIT CHORD FOR DATA FROM 9 ZIRCON AND 2 MONAZITE SUITES.	AGE OF INTRUSION IS 275 M.Y. BASED ON LOWER CONCORDIA INTERCEPT
8256	1					0									uraninite-pitchblende	(NOT GIVEN)	"1.54E-04, 9.72E-04, 4.99E-05"												NO ANALYTICAL DATA GIVEN	AN AGE OF 13 M.Y. WAS DETERMINED
8299	1	705.8		900.1		1413.1	20								zircon	1. (69-9)	"1.54E-04, 9.72E-04, 4.99E-05*"			70	0.219	74.57	9.776	15.44				"ZIRCONS ARE STUBBY, EUHEDRAL TO SUBROUNDED, TRANSPARENT, PINK"	238U=525 PPM	M1NIMUM AGE OF THE GNEISS IS 1452 M.Y.; METAMORPHOSED AROUND 415 M.Y. AGO.
8299	2	412		409.6		396.1	85								sphene	1. (69-9)	"1.54E-04, 9.72E-04, 4.99E-05*"			24.3	0.505	57.19	10.53	31.77				LARGE EUHEDRAL SPHENE	238U=243 PPM	AGE OF METAMORPHISM
8300	1	421.9		611		1393.3	10								zircon	2. (68-8)	"1.54E-04, 9.72E-04, 4.99E-05*"			42.2	0.021	84.75	7.812	7.416				"EUHEDRAL TO ROUNDED, TRANSPARENT, PINK ZIRCONS; COARSE-GRAINED FRACTION ANALYZED"	238U=613 PPM	AVERAGED AGE OF DETRITAL ZIRCONS IS 1422 M.Y.; METAMORPHISM OCCURRED ABOUT 415 M.Y. AGO
8300	2	402		611.9		1492.1	10								zircon	2. (68-8)	"1.54E-04, 9.72E-04, 4.99E-05*"			48.3	0.014	84.93	8.089	6.967				FINE-GRAINED FRACTION	238U=738 PPM	AVERAGE AGE OF DETRITAL ZIRCONS IS 1510 M.Y.; METAMORPHISM OCCURRED ABOUT 415 M.Y. AGO.
8300	3	467.6		637.6		1297.9	10								zircon	2. (68-8)	"1.54E-04, 9.72E-04, 4.99E-05*"			58.3	0.076	83.72	8.144	8.058				A MAGNETIC FRACTION	238U=751 PPM	AVERAGED AGE OF DETRITAL ZIRCONS IS 1326 M.Y.; METAMORPHISM OCCURRED ABOUT 415 M.Y. AGO.
8301	1	68.5				0									zircon	3. (69-4)	"1.54E-04, 9.72E-04, 4.99E-05*"											"EUHEDRAL TO SUBHEDRAL, TRANSPARENT TO CLOUDY, PINK ZIRCON"	238U=4340 PPM; 206PB=40.6 PPM	MAY BE AN AGE OF METAMORPHISM
8302	1	97.3		110.5		405.2	10								zircon	4. (69-10)	"1.54E-04, 9.72E-04, 4.99E-05*"			11.4	0.062	86.03	5.656	8.256				"STUBBY SUBHEDRAL TO ROUNDED, TRANSPARENT, PINK ZIRCON"	238U=741 PPM	THE 428 M.Y. AGE INDICATES A TIME OF METAMORPHISM
8302	2	45.7				0									apatite	4. (69-10)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated		238U=32.9 PPM; 206PB=0.201 PPM	
8303	1	65.5		66.1		87.9	10								zircon	5.(68-16)	"1.54E-04, 9.72E-04, 4.99E-05*"			3.1	0.02	88.01	4.475	7.495				"EUHEDRAL, PALE PINK ZIRCONS"	238U=269 PPM	70 M.Y. AGO MAY HAVE BEEN A TIME OF METAMORPHISM
8304	1	89.3				0									zircon	6. (69-12)	"1.54E-04, 9.72E-04, 4.99E-05*"											"ELONGATE EUHEDRAL, TRANSPARENT, PALE PINK ZIRCON; COARSE-GRAINED FRACTION"	238U=109 PPM: 206PB=1.30 PPM	MAY BE AN AGE OF METAMORPHISM
8304	2	56.6				0									zircon	6. (69-12)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	FINE-GRAINED FRACTION	238U=237 PPM; 206PB=1.83 PPM	
8305	1	187.6		190.5		226.6	10								zircon	7. (68-15)	"1.54E-04, 9.72E-04, 4.99E-05*"			28.3	0.044	86.58	5.037	8.339				"STUBBY, EUHEDRAL TO IRREGULAR, CLOUDY, PINK ZIRCONS"	238U=955 PPM	GRANOFELS IS ABOUT 265 M.Y. OLD
8306	1	354.4		360.3		398.5	25								zircon	8. (68-20)	"1.54E-04, 9.72E-04, 4.99E-05*"			21.5	0.168	75.48	6.582	17.77				"EUHEDRAL, TRANSPARENT, PALE PINK ZIRCONS"	238U=331 PPM	QUARTZ DIORITE IS PROBABLY AROUND 460 M.Y. OLD
8307	1	376.2		383.9		430.6	10								zircon	9. (68-21)	"1.54E-04, 9.72E-04, 4.99E-05*"			17.4	0.05	81.67	5.276	13				"EUHEDRAL, TRANSPARENT, PALE PINK ZIRCONS"	238U=274 PPM	QUARTZ DIORITE IS PROBABLY AROUND 460 M.Y. OLD
8308	1	367.3		371.1		394.9	15								zircon	10. (69-7)	"1.54E-04, 9.72E-04, 4.99E-05*"			18.9	0.15	80.38	6.581	12.89				"STUBBY, EUHEDRAL, TRANSPARENT, PALE PINK ZIRCONS; COARSE FRACTION"	238U=300 PPM	ROCK PROBABLY FORMED ABOUT 460 M.Y. AGO; METAMORPHOSED ABOUT 415 M.Y. AGO
8308	2	365.3		369.1		393	15								zircon	10. (69-7)	"1.54E-04, 9.72E-04, 4.99E-05*"			19.8	0.1	82.96	5.994	10.94				FINE-GRAINED FRACTION	238U=326 PPM	ROCK PROBABLY FORMED ABOUT 460 M.Y. AGO; METAMORPHOSED ABOUT 415 M.Y. AGO
8309	1	63.5		74		428	75	275.3							zircon	11. (69-8)	"1.54E-04, 9.72E-04, 4.99E-05*"			189.7	0.294	55.57	7.34	36.8				"STUBBY, EUHEDRAL TO SUBHEDRAL, TRANSLUCENT, GRAY TO BLACK ZIRCONS"	"238U=12300 PPM, 232TH=4740 PPM"	THE PEGMATITE PROBABLY FORMED ABOUT 460 M.Y. AGO; METAMORPHOSED ABOUT 415 M.Y. AGO.
8310	1	218.4		218.1		214.9	10								zircon	12. (67-1)	"1.54E-04, 9.72E-04, 4.99E-05*"			14	0.067	87.43	5.409	7.091				"EUHEDRAL TO SUBHEDRAL, TRANSPARENT, PALE PINK ZIRCONS; COARSE-GRAINED FRACTION"	238U=410 PPM	ROCK UNIT PROBABLY FORMED ABOUT 220 M.Y. AGO.
8310	2	219.4		220.1		227.6	10								zircon	12. (67-1)	"1.54E-04, 9.72E-04, 4.99E-05*"			19	0.048	88.36	5.193	6.394				FINE-GRAINED FRACTION	238U=562 PPM	ROCK UNIT PROBABLY FORMED ABOUT 220 M.Y. AGO.
8311	1	218.4		217.1		203	35								zircon	13. (68-10)	"1.54E-04, 9.72E-04, 4.99E-05*"			5.39	0.188	77.12	6.64	16.05				"STUBBY, EUHEDRAL TO IRREGULAR, TRANSPARENT, PALE PINK ZIRCONS; COARSE-GRAINED FRACTION"	238U=140 PPM	ROCK UNIT PROBABLY FORMED ABOUT 220 M.Y. AGO.
8311	2					0	15								zircon	13. (68-10)	"1.54E-04, 9.72E-04, 4.99E-05*"				0.098	83.11	5.612	11.18				MEDIUM-GRAINED FRACTION		ROCK UNIT PROBABLY FORMED ABOUT 220 M.Y. AGO.
8311	3	210.5		215.2		267	15								zircon	13. (68-10)	"1.54E-04, 9.72E-04, 4.99E-05*"			6.28	0.119	82.69	6.015	11.18				FINE-GRAINED FRACTION	238U=180 PPM	ROCK UNIT PROBABLY FORMED ABOUT 220 M.Y. AGO.
8312	1	88.4				0									zircon	14. (68-11)	"1.54E-04, 9.72E-04, 4.99E-05*"											"ELONGATE, EUHEDRAL, TRANSPARENT, PALE PINK ZIRCONS"	238U=817 PPM; 208PB=9.66 PPM	AGE MAY DATE THE TIME OF METAMORPHISM
8313	1	217.4		216.2		203.1	10								zircon	15. (68-13)	"1.54E-04, 9.72E-04, 4.99E-05*"			6.23	0.043	86.66	4.988	8.312				"STUBBY EUHEDRAL TO SUBHEDRAL, TRANSPARENT, PINK ZIRCONS"	238U=184 PPM	ROCK UNIT PROBABLY FORMED ABOUT 220 M.Y. AGO.
8314	1	219.4		219.1		215.9	15								zircon	16. (68-14)	"1.54E-04, 9.72E-04, 4.99E-05*"			5.47	0.112	83.75	5.879	10.26				"EUHEDRAL TO IRREGULAR, TRANSPARENT TO CLOUDY, PINK ZIRCONS; COARSE-GRAINED FRACTION"	238U=154 PPM	ROCK UNIT PROBABLY FORMED ABOUT 220 M.Y. AGO.
8314	2					0	10								zircon	16. (68-14)	"1.54E-04, 9.72E-04, 4.99E-05*"				0.08	85.76	5.478	8.679				FINE-GRAINED FRACTION		ROCK UNIT PROBABLY FORMED ABOUT 220 M.Y. AGO.
8315	1	220.4		218.1		193.4	30								zircon	17. (68-18)	"1.54E-04, 9.72E-04, 4.99E-05*"			7.99	0.21	75.12	6.854	17.81				"EUHEDRAL, TRANSPARENT, PALE PINK ZIRCONS"	238U=200 PPM	ROCK UNIT PROBABLY FORMED ABOUT 220 M.Y. AGO.
8316	1	91.3		90.8		77.7	15								zircon	18. (68-12)	"1.54E-04, 9.72E-04, 4.99E-05*"			10.3	0.126	79.43	5.635	14.81				"STUBBY, EUHEDRAL, TRANSPARENT, PALE PINK ZIRCONS; COARSE-GRAINED FRACTION"	238U=667 PPM	ROCK PROBABLY FORMED 92 M.Y. AGO.
8316	2					0	10								zircon	18. (68-12)	"1.54E-04, 9.72E-04, 4.99E-05*"				0.03	83.68	4.463	11.83				FINE-GRAINED FRACTION		ROCK PROBABLY FORMED 92 M.Y. AGO
8317	1	131				0									zircon	19. (68-1)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	"ELONGATE EUHEDRAL, TRANSPARENT, PALE PINK ZIRCONS; COARSE-GRAINED FRACTION"	238U=193 PPM; 206PB=3.40 PPM	ROCK MAY BE 220-M.Y.-OLD TERRAIN WHICH WAS REMOBILIZED BY A METAMORPHIC EPISODE 60-90 M.Y. AGO.
8317	2					0	10								zircon	19. (68-1)	"1.54E-04, 9.72E-04, 4.99E-05*"				0.032	83.78	4.626	11.56			age not evaluated	MEDIUM-GRAINED FRACTION		ROCK MAY BE 220-M.Y.-OLD TERRAIN THAT WAS REMOBILIZED BY A METAMORPHIC EPISODE 60-90 M.Y. AGO.
8317	3	110.2				0									zircon	19. (68-1)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	FINE-GRAINED FRACTION	238U=212 PPM; 206PB=3.14 PPM	ROCK MAY BE 220-M.Y.-OLD TERRAIN THAT WAS REMOBILIZED BY A METAMORPHIC EPISODE 60-90 M.Y. AGO.
8318	1	120.1		120.4		126.3	10								zircon	20. (68-2)	"1.54E-04, 9.72E-04, 4.99E-05*"			3.26	0.049	86.72	4.934	8.299			age not evaluated	"EUHEDRAL, TRANSPARENT, PALE PINK ZIRCONS"	238U=170 PPM	ROCK MAY BE 220-M.Y.-OLD TERRAIN THAT WAS REMOBILIZED BY A METAMORPHIC EPISODE 60-90 M.Y. AGO.
8318	2	70.5				0									sphene	20. (68-2)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated		238U=42.0 PPM; 206PB=0.400 PPM	
8319	1	112.2		111.5		96.6	25								zircon	21. (68-4)	"1.54E-04, 9.72E-04, 4.99E-05*"			3.91	0.142	78.36	5.853	15.65			age not evaluated	"EUHEDRAL TO SUBHEDRAL, TRANSPARENT TO CLOUDY, PALE PINK ZIRCONS"	238U=175 PPM	ROCK MAY BE 220-M.Y.-OLD TERRAIN THAT WAS REMOBILIZED BY A METAMORPHIC EPISODE 60-90 M.Y. AGO.
8319	2	81.4				0									sphene	21. (68-4)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated		238U=20.6 PPM; 206PB=O.226 PPM	
8320	1	99.3				0									zircon	22.(68-5)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	"STUBBY, EUHEDRAL, TRANSPARENT, PALE PINK ZIRCON; MAGNETIC FRACTION"	238U=203 PPM; 206PB=2.72 PPM	ROCK MAY BE 220-M.Y.-OLD TERRAIN THAT WAS REMOBILIZED BY A METAMORPHIC EPISODE 60-90 M.Y. AGO.
8320	2	100.3				0									zircon	22.(68-5)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated	NON-MAGNETIC FRACTION	238U=182 PPM; 206PB=2.47 PPM	
8320	3					0	15								zircon	22.(68-5)	"1.54E-04, 9.72E-04, 4.99E-05*"				0.035	84.5	4.584	10.88			age not evaluated	MEDIUM-GRAINED FRACTION		
8320	4	86.4				0									sphene	22.(68-5)	"1.54E-04, 9.72E-04, 4.99E-05*"										age not evaluated		238U=24.1 PPM; 206PB=0.277 PPM	
8321	1	181.7		181.6		180.3	10								zircon	23. (69-3)	"1.54E-04, 9.72E-04, 4.99E-05*"			3.25	0.022	81.01	4.355	14.61			age not evaluated	"STUBBY, EUHEDRAL TO IRREGULAR, TRANSPARENT, PALE PINK ZIRCONS"	238U=106 PPM	ROCK MAY BE 220-M.Y.-OLD TERRAIN THAT WAS REMOBILIZED BY A METAMORPHIC EPISODE 60-90 M.Y. AGO.
8450	1					0				1511	22			"20.17, 15.82, 39.50"	zircon	W-2(5M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1263		82.08	0.38	84.02	6.34	9.27	356			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCON"	LOWER CONCORDIA INTERCEPT IS 278+/-15 M.Y.; 8-POINT CHORD	DETRITAL ZIRCONS IN A SANDSTONE WHICH WAS METAMORPHOSED ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT 276 M.Y. AGO
8450	2					0				1511	22			"20.17, 15.82, 39.50"	zircon	W-2(3M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1146		84.1	0.19	86.83	6.84	6.15	356			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCON"	LOWER CONCORDIA INTERCEPT IS 278+/-15 M.Y.; 8-POINT CHORD	DETRITAL ZIRCONS IN A SANDSTONE WHICH WAS METAMORPHOSED ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT 276 M.Y. AGO.
8450	3					0				1511	22			"20.17, 15.82, 39.50"	zircon	W-2(1.5M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	758.7		54.44	0.17	87.58	6.21	6.04	356			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCONS"	LOWER CONCORDIA INTERCEPT IS 278+/-15 M.Y.; 8-POINT CHORD.	DETRITAL ZIRCONS IN A SANDSTONE WHICH WAS METAMORPHOSED ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT 276 M.Y. AGO.
8450	4					0				1511	22			"20.17, 15.82, 39.50"	zircon	W-2(1.5NM)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	483.6		47.92	0.13	84.72	6.43	8.72	356			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCONS"	LOWER CONCORDIA INTERCEPT IS 278+/-15 M.Y.; 8-POINT CHORD.	DETRITAL ZIRCONS IN A SANDSTONE WHICH WAS METAMORPHOSED ABOUT 450 M.Y. AGO; ZIRCONS EFFECTED BY THERMAL EVENT 276 M.Y. AGO.
8451	1					0				2042	52			"20.17, 15.82, 39.50"	zircon	Z-3(4NM-150+250)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	270.3		42.66	0.3	80.83	8.02	10.85	357			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCONS"	LOWER CONCORDIA INTERCEPT IS 517+/-16 M.Y.; 3-P0INT CHORD.	DETRITAL ZIRCONS IN SEDIMENTS THAT WERE METAMORPHOSED ABOUT 450 M.Y. AGO.
8451	2					0				2042	52			"20.17, 15.82, 39.50"	zircon	Z-3(4NM-250)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	329.5		44.85	0.18	81.87	7.29	10.66	357			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCONS"	LOWER CONCORDIA INTERCEPT IS 517+/-16 M.Y.; 3-POINT CHORD.	DETRITAL ZIRCONS IN SEDIMENTS THAT WERE METAMORPHOSED ABOUT 450 M.Y. AGO.
8452	1					0				2042	52			"20.17, 15.82, 39.50"	zircon	R8452	"1.55125E-04, 9.8485E-04, 4.9475E-05"	505.4		50.95	0.27	85.75	6.42	7.56	357			"YELLOW TO DARK BROWN, ROUNDED TO SUBROUNDED, FROSTED-PITTED ZIRCONS"	LOWER CONCORDIA INTERCEPT IS 517+/-16 M.Y.; 3-POINT CHORD	DETRITAL ZIRCONS IN SEDIMENTS THAT WERE METAMORPHOSED ABOUT 450 M.Y. AGO.
8540	1	87.3		100		0		94						"18.51, 15.72, 38.44"	zircon	0-176E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	48	9.89	1.58	0.813	50.606	14.742	33.839				"SUBHEDRAL, CLEAR, VIRTUALLY COLORLESS ZIRCONS WITHOUT INCLUSIONS"		
8540	2					0									Unk		"1.55125E-04, 9.8485E-04, 4.9475E-05"													THE 87 M.Y. AGE IS CONSIDERED THE BEST AGE FOR THE ROCK.
8618	1	156		154		0									zircon	89. (JM71-12)	"1.55125E-04, 9.8485E-04, 4.9475E-05"												NO ANALYTICAL DATA GIVEN	PEGMATITE PROBABLY FORMED ABOUT 155 M.Y. AGO.
8686	1			107		0									uraninite-pitchblende	238	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of intrusion		NO ANALYTICAL DATA GIVEN	
8927	1	25.8				0								"18.91, 15.58, 38.56"	zircon	71-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	529									age of intrusion	FINER THAN 200-MESH	RADIOGENIC 206PB=1.83 PPM; 238U=525 PPM	
8928	1	14.1				0								"18.91, 15.58, 38.56"	zircon	71-14	"1.55125E-04, 9.8485E-04, 4.9475E-05"	306			0.1	81.67	5.37	12.86			age of intrusion	100-200 MESH; FRACTION WASHED WITH STRONG ACID	RADIOGENIC 206PB=0.576 PPM; 238U=304 PPM	
8928	2	14.1				0								"18.91, 15.58, 38.56"	zircon	71-14	"1.55125E-04, 9.8485E-04, 4.9475E-05"	526			0.06	83.47	4.88	11.59			age of intrusion	FINER THAN 200-MESH; FRACTION WASHED WITH STRONG ACID		
8929	1	24.1				0								"18.91, 15.58, 38.56"	zircon	71-15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	254			0.15	77.45	5.83	16.56			age of intrusion	LARGER THAN 200-MESH; FRACTION WASHED WITH STRONG ACID	RADIOGENIC 206PB=0.818 PPM; 238U=252 PPM	
8929	2	24				0								"18.91, 15.58, 38.56"	zircon	71-15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	538			0.1	79.32	5.14	15.44			age of intrusion	FINER THAN 200-MESH; FRACTION WASHED WITH STRONG ACID	RADIOGENIC 206PB=1.725 PPM; 238U=534 PPM	
8930	1	25.1				0								"18.91, 15.58, 38.56"	zircon	71-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	249									age of volcanism	FINER THAN 200-MESH	RADIOGENIC 206PB=0.834 PPM; 238U=247 PPM	
8931	1	17.4				0								"18.91, 15.58, 38.56"	zircon	71-18	"1.55125E-04, 9.8485E-04, 4.9475E-05"	303									age of intrusion	LARGER THAN 100-MESH		
8931	2	17.6				0								"18.91, 15.58, 38.56"	zircon	71-18	"1.55125E-04, 9.8485E-04, 4.9475E-05"	415			0.25	75.77	7.3	16.68			age of intrusion	100-200 MESH	"RADIOGENIC 206PB=0.975 PPM, 238U=412 PPM"	
8931	3	17.5				0								"18.91, 15.58, 38.56"	zircon	71-18	"1.55125E-04, 9.8485E-04, 4.9475E-05"	825			0.24	75.15	7.08	17.53			age of intrusion	FINER THAN 200-MESH	"RADIOGENIC 206PB=1.934 PPM, 238U=819 PPM"	
8932	1	22.6				0								"18.91, 15.58, 38.56"	zircon	71-21	"1.55125E-04, 9.8485E-04, 4.9475E-05"	219			0.11	75.01	5.09	19.79			maximum age of volcanism	"100-200 MESH, FRACTION WASHED WITH STRONG ACID"	RADIOGENIC 206PB=0.661 PPM; 238U=217 PPM	
8932	2	21.8				0								"18.91, 15.58, 38.56"	zircon	71-21	"1.55125E-04, 9.8485E-04, 4.9475E-05"	295			0.04	77.8	4.2	17.97			age of volcanism	"FINER THAN 200-MESH, FRACTION WASHED WITH STRONG ACID"	"RADIOGENIC 206PB=0.859 PPM, 238U=293 PPM"	
8933	1	2.9				0								"18.91, 15.58, 38.56"	zircon	LC70-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	250			0.34	68.97	10.28	20.41					"RADIOGENIC 206PB=0.095 PPM, 238U=248 PPM"	A MAXIMUM AGE FOR THE LILY CREEK FORMATION
8941	1	91.4	0.6	93.1	0.6	136	3							"19.3, 15.7, 39.2"	zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2290		33										AGE OF THE PLUTON IS 91 M.Y.
8943	1	76.5	0.7	77.9	0.7	121	4	79	2					"19.29, 15.69, 39.22"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4250	783	49.3	0.02	89	4.62	6.36				NONMAGNETIC ZIRCONS		THE PLUTON IS ABOUT 75 M.Y. OLD
8944	1	75.3	0.5	76.6	0.6	116	5	78	1.8					"19.29, 15.69, 39.22"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4540	871	51.5	0.01	89.34	4.47	6.18				MAGNETIC ZIRCONS		THE PLUTON IS ABOUT 75 M.Y. OLD
8945	1	63.6	0.4	65	0.4	119	3							"19.29, 15.69, 39.22"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3100		29.9	0.01	88.67	4.51	6.81				NONMAGNETIC ZIRCONS		AGES ARE ANOMALOUSLY LOW; PLUTON IS ABOUT 75 M.Y. OLD.
8946	1	74.1	3.9	74.6	3.9	91.7	8.8	69.5	3					"19.29, 15.69, 39.22"	monazite	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3070	76600	276	0.03	11.82	1.07	87.07						THE PLUTON IS ABOUT 75 M.Y. OLD
8947	1	355	17	7.2	39.1	0								"19.84, 15.73"	uraninite-pitchblende	336 NO. 1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	224		23.7	0.71	60.21	11.19	27.9				ORE MINERALS SOLUBLE IN NITRIC ACID	SAMPLE LEACHED FOR FOUR HOURS WITH HOT NITRIC ACID	THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO.
8948	1	411	26	-26.6	63.2	0								"19.84, 15.73"	uraninite-pitchblende	72 NO. 1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	70.8		10.4	0.81	54.91	12.69	31.59				ORE MINERALS SOLUBLE IN NITRIC ACID	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID	THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO
8949	1	28.9	1	39.8	2.3	753								"19.84, 15.73"	uraninite-pitchblende	109	"1.55125E-04, 9.8485E-04, 4.9475E-05"	8370		62.2	0.58	63.78	12.52	23.11				ORE MINERALS SOLUBLE IN NITRIC ACID	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID	THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO.
8950	1	51.5	0.7	27.1	1.4	-1840								"19.84, 15.73"	uraninite-pitchblende	284-256	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3910		35.9	0.29	80.85	6.43	12.43				ORE MINERALS SOLUBLE IN NITRIC ACID	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID.	THE 206PB/238U AGE IS THE TIME OF MINERALIZATION. THE OTHER AGES ARE ANOMALOUS.
8951	1	46	0.5	51.3	0.7	306								"19.84, 15.73"	uraninite-pitchblende	382-292	"1.55125E-04, 9.8485E-04, 4.9475E-05"	173000		1240	0.13	88.3	6.5	5.07	364			URANIUM AND SULFIDE MINERALS	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID; LEACH SOLUTION ANALYZED	AN 8-POINT ISOCHRON ON A 207PB/204PB-235U/204PB PLOT INDICATES THAT THE ORE FORMED 51.0+/-0.5 M.Y. AGO.
8952	1	45.9	0.6	50.9	1.3	296								"19.84, 15.73"	uraninite-pitchblende	346-413.5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	13500		112	0.3	79.5	8.5	11.7	364			URANIUM AND SULFIDE MINERALS	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID; LEACH SOLUTION ANALYZED.	AN 8-POINT ISOCHRON ON A 207PB/204PB-235U/204PB PLOT INDICATES THAT THE ORE FORMED 51.0+/-0.5 M.Y. AGO
8953	1	40.6	0.4	51.8	0.7	607								"19.84, 15.73"	uraninite-pitchblende	382-263	"1.55125E-04, 9.8485E-04, 4.9475E-05"	18100		121	0.19	84.7	7.79	7.33	364			URANIUM AND SULFIDE MINERALS	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID; LEACH SOLUTION ANALYZED.	AN 8-POINT ISOCHRON ON A 207PB/204PB-235U/204PB PLOT INDICATES THAT THE ORE FORMED 51.0+/-0.5 M.Y. AGO.
8954	1	46.4	0.3	50.9	0.4	268								"19.84, 15.73"	uraninite-pitchblende	222-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	127000		848	0.03	93.51	5.27	1.19	364			URANIUM AND SULFIDE MINERALS	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID; LEACH SOLUTION ANALYZED.	AN 8-POINT ISOCHRON ON A 207PB/204PB-235U/204PB PLOT INDICATES THAT THE ORE FORMED 51.0+/-0.5 M.Y. AGO.
8954	2	737		819		1050								"19.84, 15.73"	uraninite-pitchblende	222-1 PY	"1.55125E-04, 9.8485E-04, 4.9475E-05"	836		242	0.81	52.05	15.4	31.75				HANDPICKED GRAINS OF PITCHBLENDE-COFFINITE WITH INTIMATELY INTERGROWN PYRITE-MARCASITE IMPURITIES		THESE AGES ARE ANOMALOUS; ORE FORM 51 M.Y. AGO
8955	1	44.2	0.5	51	0.6	381								"19.84, 15.73"	uraninite-pitchblende	443-199.5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	124000		814	0.06	91.53	5.89	2.52	364			URANIUM AND SULFIDE MINERALS	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID; LEACH SOLUTION ANALYZED	AN 8-POINT ISOCHRON ON A 207PB/204PB-235U/204PB PLOT INDICATES THAT THE ORE FORMED 51.0+/-0.5 M.Y. AGO.
8955	2	6300		2840		854								"19.84, 15.73"	pyrite-marcasite	443-199.5PY1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	18.1		33.8	0.24	81.19	8.97	9.6				HANDPICKED GRAINS OF PYRITE-MARCASITE WITH NO VISIBLE PITCHBLENDE-COFFINITE		THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO.
8955	3	1860		1110		-176								"19.84, 15.73,"	uraninite-pitchblende	443-199.5 PY2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1460		937	0.7	58.91	12.91	27.47				HANDPICKED GRAINS OF PITCHBLENDE-COFFINITE WITH INTIMATELY INTERGROWN PYRITE-MARCASITE IMPURITIES.		THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO.
8956	1	46.1	0.4	51.4	0.7	304								"19.84, 15.73"	uraninite-pitchblende	351-405	"1.55125E-04, 9.8485E-04, 4.9475E-05"	32700		241	0.16	86.88	6.84	6.13	364			URANIUM AND SULFIDE MINERALS	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID; LEACH SOLUTION ANALYZED	AN 8-POINT ISOCHRON ON A 207PB/204PB-235U/204PB PLOT INDICATES THAT THE ORE FORMED 51.0+/-0.5 M.Y. AGO.
8956	2	1790		439		-5790								"19.84, 15.73"	pyrite-marcasite	351-405PY 1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	9.06		143	1.3	27.45	20.4	50.85				HANDPICKED GRAINS OF PYRITE-MARCASITE WITH NO VISIBLE PITCHBLENDE-COFFINITE.		THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO.
8956	3	8240		3540		1400								"19.84, 15.73"	uraninite-pitchblende	351-405 PY 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	233		603	0.08	87.64	8.95	3.32				HANDPICKED GRAINS OF PITCHBLENDE-COFFINITE WITH INTIMATELY INTERGROWN PYRITE-MARCASITE IMPURITIES		THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO.
8957	1	45.6	0.6	50.9	1	309								"19.84, 15.73"	uraninite-pitchblende	382-291	"1.55125E-04, 9.8485E-04, 4.9475E-05"	156000		1190	0.21	84.16	7.46	8.18	364			URANIUM AND SULFIDE MINERALS--LEACH SOLUTION ONLY	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID; LEACH SOLUTION ANALYZED.	AN 8-POINT ISOCHRON ON A 207PB/204PB-235U/204PB PLOT INDICATES THAT THE ORE FORMED 51.0+/-0.5 M.Y. AGO.
8957	2	538	9	194	17	-3250								"19.84, 15.73"	residue from a hot nitric acid leach	382-291	"1.55125E-04, 9.8485E-04, 4.9475E-05"	19.9		2.07	0.35	78.99	6.76	13.9				RESIDUE FROM A HOT NITRIC ACID LEACH		THESE AGES ARE ANOMALOUS
8957	3	45.7	0.6	50.9	1	307								"19.84, 15.73"	uraninite-pitchblende	382-291	"1.55125E-04, 9.8485E-04, 4.9475E-05"	156000		1190	0.21	84.15	7.46	8.18				URANIUM AND SULFIDE MINERALS (LEACH+RESIDUE)		ORE FORMED 51 M.Y. AGO
8957	4	1850		253		-50000								"19.84, 15.73"	pyrite-marcasite	382-291 PY 1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	184		127	0.77	56.74	12.32	30.18				HANDPICKED GRAINS OF PYRITE-MARCASITE WITH NO VISIBLE PITCHBLENDE-COFFINITE		THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO.
8957	5	674		750		983								"19.84, 15.73"	uraninite-pitchblende	382-291PY 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3140		728	0.74	55.6	14.52	29.14				HANDPICKED GRAINS OF PITCHBLENDE-COFFINITE WITH INTIMATELY INTERGROWN PYRITE-MARCASITE IMPURITIES		THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO.
8958	1	45	0.3	49.9	0.4	295								"19.84, 15.73"	uraninite-pitchblende	146B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	44700		330	0.19	85.13	7.22	7.46	364			URANIUM AND SULFIDE MINERALS	"SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID, THEN LEACH SOLUTION ANALYZED."	AN 8-POINT ISOCHRON ON A 207PB/204PB-235U/204PB PLOT INDICATES THAT THE ORE FORMED 51.0+/-0.5 M.Y. AGO
8958	2	44.3	0.8	46.5	0.9	162								"19.84, 15.73"	uraninite-pitchblende	146B P-C 1HP	"1.55125E-04, 9.8485E-04, 4.9475E-05"											"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	SEE ARTICLE FOR ISOTOPIC PB-PB AND U-PB RATIOS	ORE FORMED 51 M.Y. AGO
8958	3	63.7	0.6	50.7	1	-525								"19.84, 15.73"	uraninite-pitchblende	146B P-C 2PS	"1.55125E-04, 9.8485E-04, 4.9475E-05"	256000		2630	0.18	86.67	5.96	7.18				BLACK DENSE GRAINS WITH SOME GANGUE IMPURITIES		THE ORE FORMED 51 M.Y. AGO
8958	4	46	0.3	50.8	0.4	285								"19.84, 15.73"	uraninite-pitchblende	146B P-C 3PS	"1.55125E-04, 9.8485E-04, 4.9475E-05"	666000		4520	0.06	91.96	5.65	2.33				"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"		ORE FORMED 51 M.Y. AGO
8958	5	34.1	0.3	52.7	0.7	1010								"19.84, 15.73"	uraninite-pitchblende	146B P-C 1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	549000		3120	0.18	83.92	8.71	7.19				"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"		ORE FORMED 51 M.Y. AGO
8959	1	23.5	0.4	48.9	0.9	1590								"19.84, 15.73"	uraninite-pitchblende	146B P-C 3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	531000		2260								"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	SEE ARTICLE FOR ISOTOPIC PB-PB AND U-PB RATIOS	ORE FORMED 51 M.Y. AGO
8959	2	43.7	0.7	67.8	1.2	1030								"19.84, 15.73"	uraninite-pitchblende	146B P-C 4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	510000		3690								"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	SEE ARTICLE FOR ISOTOPIC PB-PB AND U-PB RATIOS	THESE AGES ARE ANOMALOUS; ORE FORMED 51 M.Y. AGO
8959	3	36.7	0.7	52	1.1	830								"19.84, 15.73"	uraninite-pitchblende	146B P-C 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	380000		2440								"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	SEE ARTICLE FOR ISOTOPIC PB-PB AND U-PB RATIOS.	ORE FORMED 51 M.Y. AGO
8959	4	41.7	0.7	56.7	1	744								"19.84, 15.73"	uraninite-pitchblende	146B P-C 11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	590000		4000								"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	SEE ARTICLE FOR ISOTOPIC PB-PB AND U-PB RATIOS.	ORE FORMED 51 M.Y. AGO
8959	5	36.1	0.5	53.1	0.8	908								"19.84, 15.73"	uraninite-pitchblende	146B P-C 13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	562000		2980								"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	SEE ARTICLE FOR ISOTOPIC PB-PB AND U-PB RATIOS	ORE FORMED 51 M.Y. AGO
8960	1	33.4	0.6	57	1.1	1210								"19.84, 15.73"	uraninite-pitchblende	146B P-C 14	"1.55125E-04, 9.8485E-04, 4.9475E-05"	633000		3700								"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	SEE ARTICLE FOR ISOTOPIC PB-PB AND U-PB RATIOS	ORE FORMED 51 M.Y. AGO
8960	2	36.1	0.6	53.7	0.9	931								"19.84, 15.73"	uraninite-pitchblende	146B P-C 15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	533000		3100								"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	SEE ARTICLE FOR ISOTOPIC PB-PB AND U-PB RATIOS.	ORE FORMED 51 M.Y. AGO
8960	3	32.2	0.3	50	1	1020								"19.84, 15.73"	uraninite-pitchblende	146B P-C 10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	456000		2390	0.16	85.16	8.47	6.21				"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	COMBINED ANALYTICAL DATA FROM LEACHED SOLUTION AND RESIDUE	ORE FORMED 51 M.Y. AGO
8960	4	31.1	0.3	48.8	0.5	1040								"19.84, 15.73"	uraninite-pitchblende	146B P-C 10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	456000		2310	0.16	85.14	8.52	6.19				"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID; THEN LEACH SOLUTION WAS ANALYZED.	ORE FORMED 51 M.Y. AGO
8960	5	16300		4460		212								"19.84, 15.73"	uraninite-pitchblende	146B P-C 10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	7.05		84.8	0.18	85.92	6.93	6.98				"BLACK, DENSE GRAINS WITH SOME GANGUE IMPURITIES"	"SAMPLE LEACHED FOR 4 HOURS WITH HOT NITRIC ACID, THEN RESIDUE ANALYZED."	SPURIOUS AGES
8961	1	4170		1780		-484								"19.84, 15.73"	pyrite-marcasite	146B PY 1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	408		644	0.64	62.32	11.91	25.13				"PYRITE-MARCASITE GRAINS, BOTH WITH AND WITHOUT IMPURITIES"		THESE AGES ARE SPURIOUS; ORE FORMED 51 M.Y. AGO.
8961	2	1200		332		-4800								"19.84, 15.73"	pyrite-marcasite	146B PY 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	63.9		40.2	0.94	46.71	15.24	37.1				HANDPICKED GRAINS WITH NO VISIBLE PITCHBLENDE-COFFINITE		SPURIOUS AGES; ORE FORMED 51 M.Y. AGO
8961	3	687		222		-3860								"19.84, 15.73"	pyrite-marcasite	146B PY 4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	61.8		35.1	1.09	38.62	17.37	42.93				HANDPICKED GRAINS WITH NO VISIBLE PITCHBLENDE-COFFINITE		SPURIOUS AGES; ORE FORMED 51 M.Y. AGO
8962	1	160	3	160	4	167	8	140	3					"18.4, 15.6, 38.2"	zircon	78-254	"1.55125E-04, 9.8485E-04, 4.9475E-05"	322.5	178.2	8.97	0.085	79.28	5.166	15.47				150-400 MESH		DIKE FORMED 160 M.Y. AGO.
8963	1	167	3	167	4	169	12	166	3					"18.4, 15.6, 38.2"	zircon	78-24	"1.55125E-04, 9.8485E-04, 4.9475E-05"	32.8	12	0.96	0.139	79.46	5.97	14.43				100-150 MESH		PLUTON FORMED ABOUT 64 M.Y. AGO
8963	2	160	3	161	3	173	6	162	3					"18.4, 15.6, 38.2"	zircon	78-24	"1.55125E-04, 9.8485E-04, 4.9475E-05"	90.4	32.1	2.35	0.038	84.04	4.721	11.2				200-270 MESH		PLUTON FORMED ABOUT 64 M.Y. AGO
8964	1	161	3	163	4	186	10	169	3					"18.4, 15.6, 38.2"	zircon	79-28A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	268.8	80.2	7.43	0.126	81.09	5.89	12.89				150-200 MESH		PLUTON FORMED ABOUT 163 M.Y. AGO
8964	2	159	3	161	3	177	6	167	3					"18.4, 15.6, 38.2"	zircon	79-28A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	368.5	101.7	9.39	0.045	85.34	4.895	9.721				270-325 MESH		PLUTON FORMED ABOUT 163 M.Y. AGO
8965	1	164	3	164	4	168	10	165	3					"18.4, 15.6, 38.2"	zircon	76-191	"1.55125E-04, 9.8485E-04, 4.9475E-05"	207.8	71.9	5.81	0.108	81.17	5.599	13.12				100-150 MESH		PLUTON FORMED 67-68 M.Y. AGO
8965	2	172	3	173	3	184	6	167	3					"18.4, 15.6, 38.2"	zircon	76-191	"1.55125E-04, 9.8485E-04, 4.9475E-05"	392.4	148.3	11.12	0.052	83.25	4.906	11.79				270-325 MESH		PLUTON FORMED 67-68 M.Y. AGO
8966	1	152	3	152	3	159	6	146	3					"18.4, 15.6, 38.2"	zircon	77-215	"1.55125E-04, 9.8485E-04, 4.9475E-05"	112.7	32.1	2.73	0.05	85.52	4.946	9.482				100-150 MESH		PLUTON FORMED ABOUT 150 M.Y. AGO
8966	2	148	3	149	3	169	6	144	3					"18.4, 15.6, 38.2"	zircon	77-215	"1.55125E-04, 9.8485E-04, 4.9475E-05"	163.3	48.9	3.85	0.041	85.49	4.829	9.641				200-270 MESH		PLUTON FORMED ABOUT 150 M.Y. AGO
8967	1	186	3	187	4	199	10	195	3					"18.4, 15.6, 38.2"	zircon	79-214	"1.55125E-04, 9.8485E-04, 4.9475E-05"	224.2	46.2	6.96	0.124	83.42	5.998	10.45				100-150 MESH		PLUTON FORMED ABOUT 191 M.Y. AGO
8967	2	191	3	193	4	211	8	196	3					"18.4, 15.6, 38.2"	zircon	79-214	"1.55125E-04, 9.8485E-04, 4.9475E-05"	250.2	46.9	7.74	0.094	85.4	5.679	8.831				200-270 MESH		PLUTON FORMED ABOUT 191 M.Y. AGO
8968	1	523	7	733	14	1442	20	376	5					"18.0, 15.6, 38.0"	zircon	78-59	"1.55125E-04, 9.8485E-04, 4.9475E-05"	337.7	133.2	30.99	0.089	80.79	8.578	10.55			age not evaluated	150-400 MESH		
8969	1	402	6	448	20	690	65	342	6					"18.0, 15.6, 38.0"	zircon	78-250	"1.55125E-04, 9.8485E-04, 4.9475E-05"	398.1	89.9	34.46	0.386	70.97	10.02	18.63			age not evaluated	150-400 MESH		
8970	1	259	3	446	14	1578	50	227	4					"18.0, 15.6, 38.0"	zircon	78-253	"1.55125E-04, 9.8485E-04, 4.9475E-05"	182.1	72.7	9.62	0.262	71.57	10.61	17.56			age not evaluated	150-400 MESH		
9096	1	170	3	171	3	177	4	168	3	167	5			"18.4, 15.6, 38.2"	zircon	75-227	"1.55125E-04, 9.8485E-04, 4.9475E-05"	729	457	21.29	0.018	79.13	4.192	16.66	366			100-150 MESH	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	AGE IS AROUND 450 M.Y.
9096	2	170	3	176	3	256	6	176	3	167	5			"18.4, 15.6, 38.2"	zircon	75-227	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1010	636	29.54	0.007	78.86	4.15	16.98	366			200-270 MESH	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	AGE IS AROUND 450 M.Y.
9097	1	186	3	196	3	331	10	192	3	167	5			"18.4, 15.6, 38.2"	zircon	75-304	"1.55125E-04, 9.8485E-04, 4.9475E-05"	120.1	58.8	3.79	0.04	80.4	4.849	14.72	366			"270-325 MESH, NONMAGNETIC"	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	AGE IS PROBABLY AROUND 2880 M.Y.
9097	2	182	3	190	3	298	10	182	3	167	5			"18.4, 15.6, 38.2"	zircon	75-304	"1.55125E-04, 9.8485E-04, 4.9475E-05"	142.8	68.9	4.41	0.046	80.7	4.899	14.35	366			"270-325 MESH, MAGNETIC"	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	AGE IS PROBABLY AROUND 2880 M.Y.
9097	3	187	3	205	3	420	12	182	3	167	5			"18.4, 15.6, 38.2"	zircon	75-304	"1.55125E-04, 9.8485E-04, 4.9475E-05"	157.3	77.3	4.98	0.042	80.78	5.07	14.11	366			"325-400 MESH, NONMAGNETIC"	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	GNEISS IS AROUND 485 M.Y. OLD
9097	4	182	3	198	3	394	14	177	3	167	5			"18.4, 15.6, 38.2"	zircon	75-304	"1.55125E-04, 9.8485E-04, 4.9475E-05"	159.3	78.3	5	0.069	79.71	5.351	14.87	366			"325-400 MESH, MAGNETIC"	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	GRANITIC BLOCK FORMED ABOUT 398 M.Y. AGO.
9098	1	170	3	175	3	247	8	170	3	167	5			"18.4, 15.6, 38.2"	zircon	75-374	"1.55125E-04, 9.8485E-04, 4.9475E-05"	320	173.1	9.31	0.044	79.57	4.715	15.67	366			270-325 MESH	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	GRANITIC BLOCK FORMED ABOUT 398 M.Y. AGO.
9098	2	168	3	172	3	223	6	170	3	167	5			"18.4, 15.6, 38.2"	zircon	75-374	"1.55125E-04, 9.8485E-04, 4.9475E-05"	382	215.6	10.96	0.025	79.87	4.404	15.7	366			325-400 MESH	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	IGNEOUS BODY FORMED 115-120 M.Y. AGO
9099	1	171	3	173	3	204	4	173	3	167	5			"18.4, 15.6, 38.2"	zircon	75-374A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	403	192.9	11.41	0.019	81.94	4.387	13.65	366			270-325 MESH	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	IGNEOUS BODY FORMED 115-120 M.Y. AGO.
9099	2	168	3	169	3	187	4	170	3	167	5			"18.4, 15.6, 38.2"	zircon	75-374A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	428	204.6	11.86	0.016	82.1	4.327	13.55	366			325-400 MESH	UPPER CONCORDIA INTERCEPT IS 1533+/-379 M.Y.	IGNEOUS BODY FORMED ABOUT 115 M.Y. AGO
9100	1	348	5	355	5	399	10	361	5	471	62			"18.2, 15.6, 38.0"	zircon	75-92	"1.55125E-04, 9.8485E-04, 4.9475E-05"	309	134.2	18.04	0.025	82.26	4.863	12.85				270-325 MESH	A 4-POINT CHORD CUTS CONCORDIA AT 183+/-78 M.Y.; ANALYTICAL DATA OF 2 ZIRCONS ANALYZED BY MATTINSON (1972) USED FOR CHORD.	IGNEOUS BODY FORMED ABOUT 115 M.Y. AGO
9100	2	329	5	338	5	398	10	348	5	471	62			"18.2, 15.6, 38.0"	zircon	75-92	"1.55125E-04, 9.8485E-04, 4.9475E-05"	416	187.8	22.8	0.008	82.35	4.616	13.02				325-400 MESH	A 4-POINT CHORD CUTS CONCORDIA AT 183+/-78 M.Y.; ANALYTICAL DATA OF 2 ZIRCONS ANALYZED BY MATTINSON (1972) USED FOR CHORD.	IGNEOUS BODY FORMED SOME 102 M.Y. AGO.
9177	1	68.7	1.3	68	8.2	0		79.2	11.3					"17.53, 15.49, 38.00"	sphene	58	"1.55125E-04, 9.8485E-04, 4.9475E-05"	40.08	12.69	5.05	1.27	29.6	20.01	49.12					INITIAL LEAD ISOTOPIC COMPOSITION DETERMINED ON COEXISTING K-FELDSPAR.	THIS ROCK PROBABLY FORMED 69-68 M.Y. AGO.
9178	1	66.6	1.2	67.3	4.2	0		74.6	1.8					"18.28, 15.59, 38.64"	sphene	59	"1.55125E-04, 9.8485E-04, 4.9475E-05"	54.5	91.74	3.65	1.0564	32.72	17.11	49.12					INITIAL LEAD ISOTOPIC COMPOSITION DETERMINED ON COEXISTING K-FELDSPAR.	PRIMARY AGE OF ROCK IS 67 M.Y.
9179	1	66.7	1.2	67.1	3.8	0		66.5	2.2					"18.11, 15.54, 38.36"	sphene	59A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	67.85	69.9	3.86	1.0701	35.18	17.38	46.37					INITIAL LEAD ISOTOPIC COMPOSITION WAS DETERMINED ON COEXISTING K-FELDSPAR.	THE PLUTON FORMED AROUND 67 M.Y. AGO. THE 50.3 M.Y. K-AR HORNBLENDE AGE REPORTED BY MCDOWELL (1971) FOR PRESUMABLY THIS PLUTON APPEARS SPURIOUS.
9180	1	65.1	1.6	70.5	11.7	0		66.2	3.3					"18.39, 15.56, 38.42"	sphene	60	"1.55125E-04, 9.8485E-04, 4.9475E-05"	49.46	103.75	9.42	1.253	27.65	19.73	51.36					INITAL LEAD ISOTOPIC COMPOSITION WAS DETERMINED ON COEXISTING K-FELDSPAR.	THE PLUTON HAS A MINIMUM AGE OF 65.1 M.Y. BUT WAS PROBABLY FORMED 67 M.Y. AGO AS IT IS INTRUDED BY 67 M.Y.-OLD PORPHYRITIC MONZONITE.
9266	1	1984		2444		2852		2071		2880				"13.64, 14.69, 33.37"	zircon	9382	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1001.2	428.5	419.9	0.02	74.22	15.32	10.44				+100 MESH		IGNEOUS BODY IS 110 M.Y. OLD
9266	2	1640		2234		2834		610		2880				"13.64, 14.69, 33.37"	zircon	9382	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1278.1	1302.9	429.6	0.042	74.76	15.53	9.669				-200 MESH		IGNEOUS BODY IS 110 M.Y. OLD.
9402	1	923.2	10	956.4	11	1033.6	8	946	11					"17.0, 15.5, 36.8"	zircon	TYRINGHAM	"1.54E-04, 9.72E-04, 4.88E-05*"	1378	249.5	208	0.013	87.71	6.683	5.598				"150-200 MESH; ELONGATE, EUHEDRAL ZIRCONS"		IGNEOUS BODY IS 95-100 M.Y. OLD.
9402	2	930.2	10	957.4	10	1020.4	6	988.4	10					"17.0, 15.5, 36.8"	zircon	TYRINGHAM	"1.54E-04, 9.72E-04, 4.88E-05*"	1264	217.6	191.2	0.006	88.13	6.57	5.292				"250-325 MESH; ELONGATE, EUHEDRAL ZIRCONS"		IGNEOUS BODY IS AROUND 115 M.Y. OLD.
9403	1	962.9	11	978.1	12	1012.4	11	1138.3	15					"17.0, 15.5, 36.8"	zircon	WASHINGTON	"1.54E-04, 9.72E-04, 4.88E-05*"	743.9	54.8	115.8	0.032	89.37	6.997	3.603				"100-150 MESH; STUBBY, ROUNDED ZIRCON, PROBABLY A MIXTURE OF DETRITAL ZIRCONS"		IGNEOUS BODY IS AROUND 120 M.Y. OLD.
9403	2	989.7	11	1002.8	12	1031.6	11	1168.9	15					"17.0, 15.5, 36.8"	zircon	WASHINGTON	"1.54E-04, 9.72E-04, 4.88E-05*"	757.3	57	121.5	0.031	89.33	7.033	3.608				"150-200 MESH; STUBBY, ROUNDED ZIRCON, PROBABLY A MIXTURE OF DETRITAL ZIRCONS"		IGNEOUS BODY IS AROUND 120 M.Y. OLD.
9403	3	975.8	11	998.8	12	1049.6	9	1211.3	13					"17.0, 15.5, 36.8"	zircon	WASHINGTON	"1.54E-04, 9.72E-04, 4.88E-05*"	824.4	59.2	129.8	0.026	89.49	7.043	3.443				"250-325 MESH; STUBBY, ROUNDED ZIRCON, PROBABLY A MIXTURE OF DETRITAL ZIRCONS"		IGNEOUS BODY IS AROUND 121 M.Y. OLD.
9459	1	445.8		449.1		466		416.3							zircon	(NOT GIVEN)	"1.5369E-04, 9.7216E-04, 4.990E-05*"												NO ANALYTICAL DATA GIVEN	IGNEOUS BODY IS AROUND 122 M.Y. OLD.
9460	1	485.4		473.8		418		421.9							zircon	(NOT GIVEN)	"1.5369E-04, 9.7216E-04, 4.990E-05*"												NO ANALYTICAL DATA GIVEN	IGNEOUS BODY IS AROUND 125 M.Y. OLD
9461	1	480.5		468.9		412.5									zircon	(NOT GIVEN)	"1.5369E-04, 9.7216E-04, 4.990E-05*"												NO ANALYTICAL DATA GIVEN	IGNEOUS BODY IS AROUND 125 M.Y. OLD.
9797	1	177		179.2		210				217	8			"17.93, 15.52, 37.79"	zircon	KRO1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	234		7.02	0.025	79.72	4.37	15.88	415			"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 80-200 MESH ZIRCONS"	4-POINT CHORD	IGNEOUS BODY IS AROUND 125 M.Y. OLD.
9797	2	165.6		169		206				217	8			"17.93, 15.52, 37.79"	zircon	KRO1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	269		7.73	0.057	76.73	4.687	18.53	415			"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 200-325 MESH ZIRCONS"	4-POINT CHORD	IGNEOUS BODY IS AROUND 130 M.Y. OLD
9797	3	160.5		163.1		202								"17.93, 15.52, 37.79"	zircon	KRO1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	344		8.92	0.014	83.74	4.407	11.84				"CLEAR, HOMOGENEOUS, MAGNETIC, 200-325 MESH ZIRCONS"		OPHIOLITE TERRANE IS ABOUT 167 M.Y. OLD
9797	4	157.9		160.4		198								"17.93, 15.52, 37.79"	zircon	KRO1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	381		9.67	0.016	83.94	4.432	11.61				"CLEAR TO LIGHT AMBER COLOR, NON-MAGNETIC, LESS THAN 325 MESH ZIRCONS"		OPHIOLITE TERRANE IS ABOUT 167 M.Y. OLD.
9799	1	148		152.5		223				217	8			"18.69, 15.55, 38.32"	zircon	KRO2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1010		25.56	0.685	79.01	4.997	15.93	415			"AMBER TO DEEP RED COLOR, NONMAGNETIC, 80-200 MESH ZIRCONS"	4-POINT CHORD	OPHIOLITE TERRANE IS ABOUT 167 M.Y. OLD.
9799	2	147.6		151		205				217	8			"18.69, 15.55, 38.32"	zircon	KRO2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1004		25.47	0.07	78.62	4.963	16.35	415			"AMBER TO DEEP RED COLOR, NONMAGNETIC, 80-200 MESH ZIRCONS"	4-POINT CHORD	OPHIOLITE TERRANE IS ABOUT 167 M.Y. OLD.
9799	3	143		147		211				217	8			"18.69, 15.55, 38.32"	zircon	KRO2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1034		24.41	0.017	81.8	4.365	13.82	415			"DEEP RED COLOR, 80-200 MESH, NON-MAGNETIC ZIRCONS"	4-POINT CHORD	OPHIOLITE TERRANE IS ABOUT 167 M.Y. OLD.
9799	4	143.1		148.1		230				217	8			"18.69, 15.55, 38.32"	zircon	KRO2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1040		24.55	0.015	81.89	4.381	13.72	415			"DEEP RED COLOR, 80-200 MESH, NON-MAGNETIC ZIRCONS"	4-POINT CHORD	OPHIOLITE TERRANE IS ABOUT 167 M.Y. OLD.
9799	5	142		147.5		237								"18.69, 15.55, 38.32"	zircon	KRO2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1110		25.85	0.019	82.3	4.473	13.21				"DEEP RED COLOR, LESS THAN 325-MESH ZIRCONS"		OPHIOLITE TERRANE IS ABOUT 167 M.Y. OLD.
9800	1	49.2		53.6		255									zircon	KRO3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3427		36.3	0.092	62.36	4.549	33				"DEEP RED TO BLACK COLOR, NONMAGNETIC, 200-450 MESH ZIRCONS"		OPHIOLITE TERRANE IS ABOUT 167 M.Y. OLD.
9800	2	47.8		51		205									zircon	KRO3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2994		42.84	0.215	45	5.333	49.45				"DEEP RED TO BLACK COLOR, LESS THAN 450 MESH ZIRCONS"		OPHIOLITE TERRANES IS ABOUT 167 M.Y. OLD.
9800	3	47.3		51.4		247									zircon	KRO3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3039		41.28	0.165	46.79	4.819	48.23				"DEEP RED TO BLACK, LESS THAN 450 MESH ZIRCONS"		OPHIOLITE TERRANES IS ABOUT 167 M.Y. OLD.
9805	1	190.5		192.4		224									zircon	KSM1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	636		21.94	0.125	74.83	5.61	19.43				"CLEAR TO DEEP AMBER COLOR, NON-MAGNETIC, LESS THAN 200 MESH ZIRCONS"		SAMPLE 1S 170 M.Y. OLD
9806	1	209.1		212.1		246				283	3				zircon	KSM2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	151		5.28	0.079	81.22	5.298	13.4	416			"AMBER TO DEEP RED COLOR, NON-MAGNETIC, LESS THAN 350 MESH ZIRCONS"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.	SAMPLE FORMED 115-120 M.Y. AGO
9806	2	164.3		167.2		211				283	3				zircon	KSM2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	207		7.04	0.337	65.53	8.224	25.91	416			"DEEP RED COLOR, NON-MAGNETIC, LESS THAN 350 MESH ZIRCONS"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.	SAMPLE FORMED 115-120 M.Y. AGO
9806	3	155.7		159.5		219				283	3				zircon	KSM2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	270		22.03	0.051	25.92	2.039	71.99	416			"DEEP RED COLOR, NON-MAGNETIC, LESS THAN 350 MESH ZIRCON"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.	SAMPLE FORMED 115-120 M.Y. AGO.
9808	1	245.1		247.5		271				283	3				zircon	KSM3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	456		22.78	0.085	66.88	4.694	28.34	416			"CLEAR TO LIGHT AMBER COLOR, NON-MAGNETIC, GREATER THAN 80 MESH ZIRCONS"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.; A 4-POINT INTERNAL CHORD GIVES CONCORDIA INTERCEPTS OF 287 AND 99 M.Y.	SAMPLE IS AROUND 150 M.Y. OLD
9808	2	192.1		196.1		246				283	3				zircon	KSM3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	527		19.14	0.057	71.7	4.501	23.74	416			"AMBER TO DEEP RED COLOR, NON-MAGNETIC, 80-200 MESH ZIRCONS"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.; A 4-POINT INTERNAL CHORD GIVES CONCORDIA INTERCEPTS OF 287 AND 99 M.Y.	SAMPLE IS AROUND 150 M.Y. OLD
9808	3	190		192.9		230				283	3				zircon	KSM3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	599		21.6	0.062	71.49	4.539	23.91	416			"DEEP RED COLOR, 80-200 MESH ZIRCONS"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.; A 4-POINT INTERNAL CHORD GIVES CONCORDIA INTERCEPTS OF 287 AND 99 M.Y.	SAMPLE IS AROUND 150 M.Y. OLD.
9808	4	178.1		181.8		231				283	3				zircon	KSM3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	736		25.04	0.069	70.95	4.607	24.38	416			"DEEP RED COLOR, NON-MAGNETIC, 200-325 MESH ZIRCONS"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.; A 4-POINT INTERNAL CHORD GIVES CONCORDIA INTERCEPTS OF 287 AND 99 M.Y.	SAMPLE IS AROUND 155 M.Y. OLD
9808	5	125.8		129.3		194									zircon	KSM3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1414		34.79	0.078	69	4.59	26.34				"DEEP RED COLOR, NON-MAGNETIC, LESS THAN 325 MESH ZIRCONS"		SAMPLE IS AROUND 155 M.Y. OLD
9809	1	187		190.8		239				283	3				zircon	KSM4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	404		17.07	0.074	60.05	4.138	35.74	416			"AMBER TO RED COLOR, NON-MAGNETIC, 80-200 MESH ZIRCONS"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.	SAMPLE IS AROUND 170 M.Y. OLD
9809	2	183.1		188		250				283	3				zircon	KSM4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	400		15.75	0.076	63.08	4.332	32.52	416			"AMBER TO RED COLOR, NON-MAGNETIC, 200-325 MESH ZIRCON"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.	SAMPLE IS AROUND 170 M.Y. OLD
9809	3	169.4		172.1		209				283	3				zircon	KSM4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	426		15.12	0.07	64.7	4.273	30.96	416			"AMBER TO DEEP RED COLOR, 200-325 MESH ZIRCONS"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.	SAMPLE IS AROUND 170 M.Y. OLD
9809	4	161.5		165.2		219				283	3				ZIRCON	KSM4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	461		16.68	0.083	60.49	4.263	35.17	416			"DEEP RED COLOR, NON-MAGNETIC, LESS THAN 325 MESH ZIRCONS"	11-POINT CHORD; LOWER CONCORDIA INTERCEPT IS 92+/-2 M.Y.	THE GNEISS PROBABLY FORMED ABOUT 1050 M.Y. AGO
9814	1	170.1		171.8		194									zircon	JI1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	139		3.85	0.1	82.91	5.599	11.39				"CLEAR TO LIGHT AMBER COLOR, NON-MAGNETIC, 80-325 MESH ZIRCONS"		THE GNEISS PROBABLY FORMED ABOUT 1050 M.Y. AGO
9815	1	168.9		169.5		180									zircon	JI2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	246		7.01	0.041	80.21	4.587	15.16				"CLEAR, NON-MAGNETIC 200-325 MESH ZIRCONS"		THE GNEISS PROBABLY FORMED ABOUT 1050 M.Y. AGO
9815	2	168.4		168.5		170									zircon	JI2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	253		7.02	0.04	82.07	4.653	13.24				"CLEAR, NON-MAGNETIC 200-325 MESH ZIRCON"		THE GNEISS PROBABLY FORMED ABOUT 1150 M.Y. AG0
9816	1	167.6		168.3		177									zircon	JI3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	227		6.31	0.021	81.48	4.352	14.15				"LIGHT AMBER COLOR, NON-MAGNETIC, LESS THAN 325-MESH ZIRCON"		THE GNEISS PROBABLY FORMED ABOUT 1150 M.Y. AGO
9817	1	157.2		157		157									zircon	JI4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	192		4.74	0.034	86.21	4.729	9.026				"CLEAR TO LIGHT AMBER COLOR, NON-MAGNETIC, 200-325 MESH ZIRCON"		THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO
9818	1	154.2		155.1		170									zircon	JI5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	454		11.08	0.02	85.39	4.509	10.08				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, LESS THAN 325-MESH ZIRCONS"		THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO
9819	1	150		152.1		187									zircon	JI6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	453		11.58	0.067	79.31	4.926	15.7				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, LESS THAN 325-MESH ZIRCONS"		THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO
9819	2	145.1		147.7		190									zircon	JI6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	402		9.82	0.088	80.14	5.282	14.49				"CLEAR, HOMOGENEOUS, LESS THAN 325-MESH ZIRCONS"		THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO.
9819	3	144.2		146.2		180									zircon	JI6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	405		9.8	0.08	80.42	5.168	14.33				"CLEAR, HOMOGENEOUS, LESS THAN 325-MESH ZIRCONS"		THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO.
9820	1	125.4		125.5		126									zircon	KB1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	304		6.26	0.026	82.13	4.378	13.46				"CLEAR, HOMOGENEOUS, 200-325 MESH, NON-MAGNETIC ZIRCONS"		THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO.
9821	1	124.7		124.7		125									zircon	KB2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	78		1.8	0.226	72.34	6.825	20.61				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 200-325 MESH ZIRCONS"		THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO.
9822	1	120.2		120.4		121									zircon	KB3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	161		3.25	0.069	80.56	4.833	14.54				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 200-325 MESH ZIRCONS"		THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO.
9823	1	120.8		120.4		120									zircon	KB4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	77		1.94	0.457	64.18	9.798	25.57				"CLEAR, HOMOGENEOUS, 200-325 MESH ZIRCONS"		THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO.
9824	1	118.1		117.9		116									zircon	KB5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	282		5.92	0.101	75.85	5.132	18.92				"CLEAR, HOMOGENEOUS, 200-325 MESH, NON-MAGNETIC ZIRCONS"		U-PB ISOTOPIC SYSTEM HAS BEEN BADLY DISTURBED. THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO
9825	1	117		117.1		118									zircon	KB6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	60		1.31	0.069	72.58	4.52	22.83				"AMBER COLOR, HOMOGENEOUS, NON-MAGNETIC, LESS THAN 200-MESH ZIRCONS"		U-PB ISOTOPIC SYSTEM HAS BEEN BADLY DISTURBED. THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO.
9826	1	116		116.3		122									zircon	KB7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	195		3.8	0.029	80.42	4.356	15.2				"CLEAR, HOMOGENEOUS, 80-200 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEM HAS BEEN BADLY DISTURBED. THE KINGS RIVER OPHIOLITE FORMED ABOUT 220 M.Y. AGO.
9827	1	115.4		115.2		113									zircon	KB8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	318		6	0.027	82.49	4.405	13.08				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 200-325 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED 280 M.Y. AGO.
9828	1	110		111		129									zircon	KB9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	331		5.93	0.04	82.77	4.606	12.58				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 200-325 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED 280 M.Y. AGO.
9828	2	110		110.5		122									zircon	KB9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	329		5.89	0.04	82.83	4.596	12.53				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 200-325 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED 280 M.Y. AGO.
9829	1	97.9		97.8		96									zircon	KB10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	459		8	0.152	75.67	5.853	18.32				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 80-200 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED 280 M.Y. AGO.
9830	1	130.5		131.6		151									zircon	KB11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	340		7.42	0.052	80.71	4.718	14.52				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 80-200 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED ABOUT 280 M.Y. AGO.
9831	1	125.2		124.3		114									zircon	KB12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	232		4.76	0.081	82.03	5.149	12.74				"CLEAR TO LIGHT AMBER COLOR, NON-MAGNETIC, 80-325 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED ABOUT 280 M.Y. AGO.
9832	1	121.7		121.3		114									zircon	KB13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	168		3.59	0.174	76.71	6.257	16.86				"CLEAR, HOMOGENEOUS, 80-200 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED ABOUT 280 M.Y. AGO.
9833	1	120.6		120.7		121									zircon	KB14	"1.55125E-04, 9.8485E-04, 4.9475E-05"	348		6.73	0.073	84.03	5.165	10.73				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 200-325 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED ABOUT 280 M.Y. AGO.
9834	1	118		119		137									zircon	KB15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	454		8.5	0.027	84.97	4.534	10.47				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, 200-325 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED ABOUT 280 M.Y. AGO.
9835	1	118		118.9		136									zircon	KB16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	647		11.95	0.033	85.98	4.678	9.311				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, LESS THAN 325-MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED ABOUT 280 M.Y. AGO.
9836	1	115		115.6		126									zircon	KB17	"1.55125E-04, 9.8485E-04, 4.9475E-05"	379		6.91	0.023	84.89	4.454	10.64				"LIGHT AMBER COLOR, HOMOGENEOUS, NON-MAGNETIC, 80-200 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED ABOUT 280 M.Y. AGO.
9837	1	114.1		113.8		109									zircon	KB18	"1.55125E-04, 9.8485E-04, 4.9475E-05"	206		3.79	0.094	83.67	5.405	10.83				"CLEAR TO LIGHT AMBER COLOR, 200-325 MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED ABOUT 280 M.Y. AGO.
9838	1	102.3		102.8		115									zircon	KB19	"1.55125E-04, 9.8485E-04, 4.9475E-05"	506		8.44	0.04	82.44	4.565	12.96				"CLEAR, HOMOGENEOUS, NON-MAGNETIC, LESS THAN 325-MESH ZIRCONS"		U-PB ISOTOPIC SYSTEMS HAVE BEEN BADLY DISTURBED. THE KAWEAH OPHIOLITIC BELT PROBABLY FORMED ABOUT 280 M.Y. AGO.
10187	1					0				1380	33				zircon	23. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	95.76		160.11	0.415	60.01	10.46	29.12			age of intrusion		A 4-POINT CONCORDIA CHORD	
10187	2					0				1380	33				zircon	23. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	72.51		105.6	0.224	68.84	8.847	22.09			age of intrusion		A 4-POINT CONCORDIA CHORD	
10187	3					0				1380	33				zircon	23. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	32.94		43.76	0.05	75.43	7.445	17.07			age of intrusion			
10187	4					0				1380	33				zircon	23. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	30.91		40.97	0.061	75.59	7.468	16.88			age of intrusion			
10195	1					0				1626	15				zircon	30. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2332.7		143.24	0.28	70.19	9.75	19.78			age of intrusion		A 4-POINT CONCORDIA CHORD	
10195	2					0				1626	15				zircon	30. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1524.9		147.39	0.129	76.2	8.6	15.07			age of intrusion		A 4-POINT CONCORDIA CHORD	
10195	3					0				1626	15				zircon	30. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	941.2		131.77	0.077	77.85	8.46	13.62			age of intrusion		A 4-POINT CONCORDIA CHORD	
10195	4					0				1626	15				zircon	30. F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	637.4		113.81	0.183	73.26	9.58	16.98			age of intrusion		A 4-POINT CONCORDIA CHORD	
10195	5					0				1626	15				zircon	30. G	"1.55125E-04, 9.8485E-04, 4.9475E-05"	896.7		139.14	0.196	72.32	9.48	18.01			age of intrusion			
10211	1					0				1530	100				zircon	46. A	"1.5369E-04, 9.7216E-04, 4.990E-05"	193		394.2	0.432	49.17	10.11	40.28			age of intrusion		A 3-POINT CONCORDIA CHORD	
10211	2					0				1530	100				zircon	46. B	"1.5369E-04, 9.7216E-04, 4.990E-05"	408.6		733.9	0.466	55.88	11.22	32.44			age of intrusion		A 3-POINT CONCORDIA CHORD	
10211	3					0				1530	100				zircon	46. C	"1.5369E-04, 9.7216E-04, 4.990E-05"	249.2		531.9	0.695	47.05	14.09	38.16			age of intrusion			
10215	1					0				1450	15				zircon	49. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	111.9		138.2	0.148	81.06	9.321	9.475			age of intrusion		A 4-POINT CONCORDIA CHORD	
10215	2					0				1450	15				zircon	49. CD	"1.55125E-04, 9.8485E-04, 4.9475E-05"	119.2		146.3	0.077	81.6	8.404	9.922			age of intrusion		A 4-POINT CONCORDIA CHORD	
10215	3					0				1450	15				zircon	49. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	115.4		140.6	0.062	82.21	8.32	9.405			age of intrusion		A 4-POINT CONCORDIA CHORD	
10215	4					0				1450	15				zircon	49. F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	108.8		130.9	0.042	83.24	8.166	8.549			age of intrusion		A 4-POINT CONCORDIA CHORD	
10222	1					0				1408	21				Unk	56. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	979.8		79.66	0.229	68.93	9.23	21.61			age of intrusion		"A 5-POINT CONCORDIA CHORD; FRACTIONS B, D, AND F (3-POINT CHORD) GIVE 1400+/-145 M.Y.; FRACTIONS B, D, F, AND D-2(4-POINT CHORD) GIVE 1390+/-30 M.Y."	
10222	2					0				1408	21				zircon	56. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	842.1		79.74	0.224	69.48	9.324	20.98			age of intrusion		"A 5-POINT CONCORDIA CHORD; FRACTIONS B, D, AND F (3-POINT CHORD) GIVE 1400+/-145 M.Y.; FRACTIONS B, D, F, AND D-2 (4-POINT CHORD) GIVE 1390+/-30 M.Y."	
10222	3					0				1408	21				zircon	56. F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	743.7		76.46	0.252	69.04	9.535	21.17			age of intrusion		"A 5-POINT CONCORDIA CHORD; FRACTIONS B, D, AND F (3-POINT CHORD) GIVE 1400+/-145 M.Y.; FRACTIONS B, D, F, AND D-2 (4-POINT CHORD) GIVE 1390+/-30 M.Y."	
10222	4					0				1408	21				zircon	56. C-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	496.6		68.9	0.323	66.45	10.24	22.99			age of intrusion	ZIRCONS LEACHED IN 25N HF FOR ONE HOUR	A 5-POINT CONCORDIA CHORD	
10222	5					0				1408	21				zircon	56. D-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	560.8		199.57	0.432	60.25	11.4	27.92			age of intrusion	ZIRCON LEACH WITH 25N HF FOR ONE HOUR	"A 5-POINT CONCORDIA CHORD; FRACTIONS B, D, F, AND D-2 (4-POINT CHORD) GIVE AN AGE OF 1390+/-30 M.Y."	
10226	1					0				1372					zircon	60. X	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1697.3		87.36	0.144	64.45	7.335	28.07			age of intrusion		A 2-POINT CONCORDIA CHORD	
10226	2					0				1372					zircon	60. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	507.3		84.3	0.702	47.35	14.04	37.9			age of intrusion		A 2-POINT CONCORDIA CHORD	
10227	1					0				1383	8				zircon	61. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	129		40.83	0.716	48.79	14.21	36.28			age of intrusion		A 4-POINT CONCORDIA CHORD	
10227	2					0				1383	8				zircon	61. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	177		39.17	0.46	58.48	11.4	29.66			age of intrusion		A 4-POINT CONCORDIA CHORD	
10227	3					0				1383	8				zircon	61. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	120.7		31.14	0.247	66.3	9.209	24.25			age of intrusion	-200 MESH	A 4-POINT CONCORDIA CHORD	
10227	4					0				1383	8				zircon	61. CL	"1.55125E-04, 9.8485E-04, 4.9475E-05"	86.47		24.25	0.172	67.93	8.363	23.53			age of intrusion	-200 MESH ZIRCON LEACHED IN COLD HF	A 4-POINT CONCORDIA CHORD	
10228	1					0				1361	6				zircon	62. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	283.1		56.83	0.37	59.2	10.21	30.22			age of intrusion		A 6-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475"
10228	2					0				1361	6				zircon	62.B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	253.3		51.4	0.291	62.53	9.38	27.8			age of intrusion		A 6-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10228	3					0				1361	6				zircon	62. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	19.64		47.56	0.338	59.6	9.869	30.2			age of intrusion		A 6-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10228	4					0				1361	6				zircon	62. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	158		37.26	0.185	66	8.27	25.54			age of intrusion		A 6-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10228	5					0				1361	6				zircon	62. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	145.7		42.45	0.398	56.51	10.43	32.66			age of intrusion		A 6-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10229	1					0				1361	6				zircon	62. EL	"1.55125E-04, 9.8485E-04, 4.9475E-05"	90.3		27.84	0.189	63.95	8.218	27.64			age of intrusion	ZIRCONS LEACHED IN COLD HF	A 6-POINT CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10230	1					0				1465	7				zircon	65. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	185.2		49.03	0.05	75.86	7.67	16.42			age of intrusion	100-140 MESH	A 7-POINT CONCORDIA CHORD	
10230	2					0				1465	7				zircon	65. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	185.8		48.9	0.036	75.41	7.428	17.13			age of intrusion	140-200 MESH	A 7-POINT CONCORDIA CHORD	
10230	3					0				1465	7				zircon	65. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	174.3		46.31	0.039	73.47	7.237	19.25			age of intrusion	-200 MESH	A 7-POINT CONCORDIA CHORD	
10230	4					0				1465	7				zircon	65. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	202.5		51.99	0.095	73.54	8.016	18.35			age of intrusion	140-200 MESH	A 7-POINT CONCORDIA CHORD	
10230	5					0				1465	7				zircon	65. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	180.8		44.02	0.024	73.31	7.037	19.63			age of intrusion	-200 MESH	A 7-POINT CONCORDIA CHORD	
10231	1					0				1465	7				zircon	65. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	310.4		67.17	0.02	77.08	7.253	15.65			age of intrusion	100-200 MESH	A 7-POINT CONCORDIA CHORD	
10231	2					0				1465	7				zircon	65. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2696.6		576.8	0.029	73.57	7.114	19.29			age of intrusion	-200 MESH	A 7-POINT CONCORDIA CHORD	
10232	1					0				1465	10				zircon	66. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	146		47.83	0.035	64.59	6.401	28.97			age of intrusion	+100 MESH	A 5-POINT CONCORDIA CHORD	
10232	2					0				1465	10				zircon	66. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	158.5		54.09	0.185	61.95	7.65	30.22			age of intrusion	100-140 MESH	A 5-POINT CONCORDIA CHORD	
10232	3					0				1465	10				zircon	66. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	206.4		70	0.014	65.24	6.146	28.6			age of intrusion		A 5-POINT CONCORDIA CHORD	
10232	4					0				1465	10				zircon	66. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	250.8		79.45	0.016	65.89	6.24	27.86			age of intrusion	100-200 MESH	A 5-POINT CONCORDIA CHORD	
10232	5					0				1465	10				zircon	66. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	272		91.89	0.165	62.02	7.939	29.88			age of intrusion	-200 MESH		
10233	1					0				1473	15				zircon	67. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1550.6		213.35	0.106	75.73	8.013	16.15			age of intrusion		A 5-POINT CONCORDIA CHORD	
10233	2					0				1473	15				zircon	67. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1075.7		184.44	0.102	75.9	8.183	15.81			age of intrusion		A 5-POINT CONCORDIA CHORD
10233	3					0				1473	15				zircon	67. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	867.5			0.148	73.68	8.789	17.39			age of intrusion		A 5-POINT CONCORDIA CORD
10233	4					0				1473	15				zircon	67. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	603.1			0.073	77.49	8.036	14.4			age of intrusion		A 5-POINT CONCORDIA CHORD
10233	5					0				1473	15				zircon	67. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	368.2			0.012	74.49	8.536	16.86			age of intrusion		A 5-POINT CONCORDIA CHORD
10234	1					0				1637	40				zircon	74. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1535.3		103.13	0.368	66.78	10.47	22.38			age of intrusion		A 4-POINT CONCORDIA CHORD
10234	2					0				1637	40				zircon	74. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	781.5		94.67	0.117	74.82	8.85	16.21			age of intrusion		A 4-POINT CONCORDIA CHORD
10234	3					0				1637	40				zircon	74. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	521.3		106.02	0.494	59.76	12.6	27.15			age of intrusion		A 4-POINT CONCORDIA CHORD
10234	4					0				1637	40				zircon	74. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	158.1		35.86	0.132	74.22	9.11	16.54			age of intrusion		A 4-POINT CONCORDIA CHORD
10235	1					0				1443	12				zircon	75. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1703.9		72.11	0.127	76.3	8.011	15.56			age of intrusion		A 5-POINT CONCORDIA CHORD
10235	2					0				1443	12				zircon	75. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1798.5		111.35	0.104	76.86	7.916	15.13			age of intrusion		A 5-POINT CONCORDIA CHORD
10235	3					0				1443	12				zircon	75. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1124		90.45	0.081	78.18	7.943	13.79			age of intrusion		A 5-POINT CONCORDIA CHORD
10235	4					0				1443	12				zircon	75. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	890.5		88.71	0.122	76.5	8.4	14.98			age of intrusion		A 5-POINT CONCORDIA CHORD
10235	5					0				1443	12				zircon	75. F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	828.2		87.49	0.113	76.6	8.342	14.94			age of intrusion		A 5-POINT CONCORDIA CHORD
10236	1					0				1644	26				zircon	76. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	800.1		71.25	0.161	69.29	8.7	21.84			age of intrusion		A 4-POINT CONCORDIA CHORD
10236	2					0				1644	26				zircon	76. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	560.9		78.79	0.088	73.42	8.43	18.07			age of intrusion		A 4-POINT CONCORDIA CHORD
10236	3					0				1644	26				zircon	76. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1546.6		103.69	0.12	68.29	7.94	23.65			age of intrusion		A 4-POINT CONCORDIA CHORD
10236	4					0				1644	26				zircon	76. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	980.6		85.76	0.076	73.38	8.07	18.48			age of intrusion		A 4-POINT CONCORDIA CHORD	
10237	1					0				1458	10				zircon	77. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	678.7		88.35	0.079	79.44	8.214	12.27			age of intrusion		A 5-POINT CONCORDIA CHORD	
10237	2					0				1458	10				zircon	77. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	512.1		88.26	0.189	74.98	9.358	15.47			age of intrusion		A 5-POINT CONCORDIA CHORD	
10237	3					0				1458	10				zircon	77. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	350.5		70.95	0.051	80.73	8.032	11.19			age of intrusion		A 5-POINT CONCORDIA CHORD	
10237	4					0				1458	10				zircon	77. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	360.2		68.05	0.064	80.33	8.146	11.46			age of intrusion		A 5-POINT CONCORDIA CHORD	
10237	5					0				1458	10				zircon	77. F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	349.2		70.78	0.053	80.6	8.108	11.24			age of intrusion		A 5-POINT CONCORDIA CHORD	
10238	1					0				1450					zircon	78. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	196.2		38.82	0.085	75.66	8.111	16.15					A 5-POINT CONCORDIA CHORD	THE AGE OF IGNEOUS CRYSTALLIZATION IS PROBABLY 1455+/-10 M.Y. (THE MEAN OF THE CALCULATED 207PB/206PB AGES).
10238	2					0				1450					zircon	78. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	233.8		43.82	0.059	76.59	7.827	15.52					A 5-POINT CONCORDIA CHORD	THE AGE OF IGNEOUS CRYSTALLIZATION IS PROBABLY 1455+/-10 M.Y. (THE MEAN OF THE CALCULATED 207PB/206PB AGES).
10238	3					0				1450					zircon	78.C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	210.5		41.58	0.083	75.9	8.068	15.95					A 5-POINT CONCORDIA CHORD	THE AGE OF IGNEOUS CRYSTALLIZATION IS PROBABLY 1455+/-10 M.Y. (THE MEAN OF THE CALCULATED 207PB/206PB AGES).
10238	4					0				1450					zircon	78. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	195.3		39.11	0.073	76.3	7.989	15.63					A 5-POINT CONCORDIA CHORD	THE AGE OF IGNEOUS CRYSTALLIZATION IS PROBABLY 1455+/-10 M.Y. (THE MEAN OF THE CALCULATED 207PB/206PB AGES).
10238	5					0				1450					zircon	78. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	149.1		32.11	0.081	76.16	8.096	15.66					A 5-POINT CONCORDIA CHORD	THE AGE OF IGNEOUS CRYSTALLIZATION IS PROBABLY 1455+/-10 M.Y. (THE MEAN OF THE CALCULATED 207PB/206PB AGES).
10239	1					0				1367	3				zircon	79. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	246.8		29.29	0.188	67.78	8.419	23.61			age of intrusion		A 5-POINT CONCORDIA CHORD	
10239	2					0				1367	3				zircon	79. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	218.9		28.08	0.17	68.41	8.229	23.2			age of intrusion		A 5-POINT CONCORDIA CHORD	
10239	3					0				1367	3				zircon	79. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	168.2		29.17	0.221	66.07	8.808	24.9			age of intrusion		A 5-POINT CONCORDIA CHORD	
10239	4					0				1367	3				zircon	79. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	137.2		29.44	0.249	64.92	9.115	25.71			age of intrusion		A 5-POINT CONCORDIA CHORD	
10239	5					0				1367	3				zircon	79. F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	122.7		28.32	0.192	67.13	8.513	24.16			age of intrusion		A 5-POINT CONCORDIA CHORD	
10240	1					0				1365	10				zircon	80. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	132		31.53	0.065	73.15	7.286	19.5			age of intrusion		A 5-POINT CONCORDIA CHORD	
10240	2					0				1365	10				zircon	80. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	131.3		31.76	0.053	73.91	7.154	18.88			age of intrusion		A 5-POINT CONCORDIA CHORD	
10240	3					0				1365	10				zircon	80. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	131.7		31.97	0.099	72.22	7.627	20.05			age of intrusion		A 5-POINT CONCORDIA CHORD	
10240	4					0				1365	10				zircon	80. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	122.1		30.27	0.065	74.45	7.348	18.14			age of intrusion		A 5-POINT CONCORDIA CHORD	
10240	5					0				1365	10				zircon	80. EL	"1.55125E-04, 9.8485E-04, 4.9475E-05"	104.9		27.95	0.056	74.03	7.248	18.66			age of intrusion	ZIRCON LEACHED IN COLD HF	A 5-POINT CONCORDIA CHORD	
10241	1					0				1339	12				zircon	81. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	169.1		39.82	0.841	46.43	15.73	37			age of intrusion		A 5-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10241	2					0				1339	12				zircon	81. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	154.7		35.86	0.729	50.75	14.49	34.03			age of intrusion		A 6-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10241	3					0				1339	12				zircon	81. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	140.7		39.1	0.835	46.21	15.64	37.32			age of intrusion		A 6-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10241	4					0				1339	12				zircon	81. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	110.8		30.56	0.668	52.89	13.85	32.59			age of intrusion		A 6-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10241	5					0				1339	12				zircon	81. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	84.9		25.79	0.668	52.81	13.86	32.66			age of intrusion		A 6-POINT CONCORDIA CHORD	"THIS AGE WAS ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10242	1					0				1339	12				zircon	81. EL	"1.55125E-04, 9.8485E-04, 4.9475E-05"	58.2		21.19	0.614	52.41	13.13	33.85			age of intrusion	ZIRCON LEACHED IN COLD HF	A 6-POINT CONCORDIA CHORD	"THIS AGE ALSO REPORTED BY STEEPLES AND BICKFORD, 1981, EOS, V. 62, P. 473-475."
10243	1					0				1382	13				zircon	82. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3818.8		390.59	0.488	56.76	11.73	31.03			age of intrusion		A 4-POINT CONCORDIA CHORD	
10243	2					0				1382	13				zircon	82. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2482.2		289.41	0.41	60.99	11.01	27.59			age of intrusion		A 4-POINT CONCORDIA CHORD	
10243	3					0				1382	13				zircon	82. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2177.1		310.72	0.267	69.01	9.75	20.98			age of intrusion		A 4-POINT CONCORDIA CHORD	
10243	4					0				1382	13				zircon	82. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4187.7		454.53	0.508	55.35	11.92	32.22			age of intrusion		A 4-POINT CONCORDIA CHORD	
10243	5					0				1382	13				zircon	82. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2264.8		287.9	0.268	69.01	9.8	20.92			age of intrusion		A 4-POINT CONCORDIA CHORD	
10244	1					0				1608	3				zircon	83. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1180.5		157.82	0.168	72.67	9.13	18.03			age of intrusion		A 5-POINT CONCORDIA CHORD	
10244	2					0				1608	3				zircon	83. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	512.8		86.04	0.106	75.6	8.72	15.57			age of intrusion		A 5-POINT CONCORDIA CHORD	
10244	3					0				1608	3				zircon	83. C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	683		130.76	0.107	75.52	8.8	15.58			age of intrusion		A 5-POINT CONCORDIA CHORD	
10244	4					0				1608	3				zircon	83. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	746.4		102.74	0.068	77.56	8.49	13.88			age of intrusion		A 5-POINT CONCORDIA CHORD	
10244	5					0				1608	3				zircon	83. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	377.8		91.11	0.056	77.94	8.42	13.58			age of intrusion		A 5-POINT CONCORDIA CHORD	
10245	1					0				1382	2				zircon	84. A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	606.5		78.59	0.397	58.27	10.53	30.8			age of intrusion		A 5-POINT CONCORDIA CHORD	
10245	2					0				1382	2				zircon	84. B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	361.5		75.88	0.308	64.88	9.979	24.83			age of intrusion		A 5-POINT CONCORDIA CHORD	
10245	3					0				1382	2				zircon	84. D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	263.3		59.12	0.256	66.86	9.427	23.46			age of intrusion		A 5-POINT CONCORDIA CHORD	
10245	4					0				1382	2				zircon	84. E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	250.4		58.1	0.204	69.72	8.953	21.12			age of intrusion		A 5-POINT CONCORDIA CHORD	
10245	5					0				1382	2				zircon	84. F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	235.2		58.44	0.233	68.42	9.258	22.09			age of intrusion		A 5-POINT CONCORDIA CHORD	
10286	1					0				532	15				zircon	Z3-B1	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of intrusion	2 ZIRCON SPLITS ANALYZED	NO ANALYTICAL DATA GIVEN	
10299	1					0				320	20				zircon	B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1566		102.7	0.014	77.64	18.04	4.304			age of intrusion	"100-200 MESH, CLEAR, LIGHT RED TO LAVENDER"	5-POINT CHORD ON CONCORDIA PLOT	"THE OLDER U-PB AGES REPORTED FOR THE ALBERTON GRANITE (GRUNENFELDER AND SILVER, 1958) PROBABLY RESULTED FROM THE PRESENCE OF XENOCRYSTIC ZIRCON."
10299	2					0				320	20				zircon	D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	184.6		116.5	0.036	76.39	19.03	4.541			age of intrusion	"100-200 MESH, CLEAR, LIGHT RED TO LAVENDER"	5-POINT CHORD ON CONCHORDIA PLOT	
10299	3					0				320	20				zircon	E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1564.4		102.7	0.023	77.38	18.14	4.456			age of intrusion	"100-200 MESH, CLEAR, LIGHT RED TO LAVENDER"	5-POINT CHORD ON CONCHORDIA PLOT	
10299	4					0				320	20				zircon	E-LEACH	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1010.2		70.7	0.162	70.18	23.59	6.071			age of intrusion	"100-200 MESH ZIRCONS LEACHED FOR 45 MINUTES IN COLD, 24N HF"	5-POINT CHORD ON CONCHORDIA PLOT	
10299	5					0				320	20				zircon	-200	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2010.9		119.2	0.128	71.73	22.48	5.66			age of intrusion	"-200 MESH, CLEAR, LIGHT RED TO LAVENDER"	5-POINT CHORD ON CONCHORDIA PLOT	
10357	1					400				410	7			"19.11, 15.82, 39.65"	zircon	NM+200	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1397.5		90.9							age of intrusion			
10357	2					392				410	7			"18.02, 15.45, 38.05"	zircon	NM-100+200	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1764		88							age of intrusion			
10357	3					458				410	7			"18.02, 15.45, 38.05"	zircon	NM-200+325	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1745		88							age of intrusion			
10357	4					411				410	7			"18.02, 15.45, 38.05"	zircon	NM+100	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1413		95							age of intrusion			
10357	5					415				410	7			"18.02, 15.45, 38.05"	zircon	MAG TOTAL	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1511		104							age of intrusion			
10358	1	615.5	15	690.9	15	944.8	15	682.8	15						zircon	B-5	"1.54E-04, 9.72E-04, 4.99E-05*"	928	133.6	96.7	0.088	85.29	7.121	7.505						THESE ARE DETRITAL ZIRCONS SO DO NOT GIVE THE AGE OF THE QUARTZITE
10359	1	953	15	1036.3	15	1216.5	15								zircon	B-58	"1.54E-04, 9.72E-04, 4.99E-05*"	892		140	0.043	87	7.682	5.272						THE GNEISS IS AROUND 125 M.Y. OLD.
10360	1	570.8	15	562.6	15	529.6	15	588.4	15						zircon	B-70	"1.54E-04, 9.72E-04, 4.99E-05*"	526.5	251.7	55.1	0.18	75.84	7.015	16.97						THE PARAGNEISS IS AROUND 550 M.Y. OLD.
10361	1	759.4	15	725.4	15	621.7	15								zircon	GF-18	"1.54E-04, 9.72E-04, 4.99E-05*"	643.1		90.5	0.148	76.18	6.795	16.87						THE PARAGNEISS IS PROBABLY AROUND 550 M.Y. OLD.
10362	1	734.6	15			0									zircon	GF-2	"1.54E-04, 9.72E-04, 4.99E-05*"	626.7		85.9	0.18	75.84	7.015	16.97						PARAGNEISS IS PROBABLY AROUND 550 M.Y. OLD.
10363	1	322.6	15	350.4	15	539	15	466.3	15						zircon	B-83	"1.54E-04, 9.72E-04, 4.99E-05*"	514.8	441.3	33.8	0.091	67.55	5.256	27.1						AGE OF GNEISS MAY BE AROUND 550-500 M.Y. OLD.
10364	1	416.9	15	429.3	15	496.4	15								zircon	B-90	"1.54E-04, 9.72E-04, 4.99E-05*"	705	411	43.5	0.081	93.27	6.473	0.177						AGE OF GNEISS MAY BE 550-500 M.Y. OLD.
10382	1	2695		2900		3050		2522		3050				"18.73, 15.65, 38.69"	zircon	611-12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1428	140.9	816.1	0.027	78.58	18.32	3.071			age of intrusion	"NON-MAGNETIC, DARK, 60-120 MESH"		ZIRCONS FROM SAMPLES 611 AND 612 WERE COMBINED FOR ANALYSIS
10382	2	2575		2849		3050		2660		3050				"18.73, 15.65, 38.69"	zircon	611-12B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1437	140.4	775.9	0.023	78.53	18.31	3.141			age of intrusion	"MAGNETIC, DARK, 60-120 MESH"		ZIRCONS FROM SAMPLES 611 AND 612 WERE COMBINED FOR ANALYSIS
10459	1	3150		3245		3305				3487	123			"11.51, 13.21, 31.42"	zircon	673.1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	195.4		146.9	0.024	72.35	19.8	7.83				"CLEAR COLOR, GREATER THAN 80 MESH"	A 10-POINT CHORD WHICH INCLUDES 5 SAMPLES PREVIOUSLY ANALYZED	CONCORDIA INTERCEPT AGE SUGGESTS THAT THE TONALITE WAS EMPLACED ABOUT 3500 M.Y. AGO.  ZIRCONS HAVE A MINIMUM AGE OF 3300 M.Y.
10459	2	2935		3155		3300				3487	123			"11.51, 13.21, 31.42"	zircon	673.2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	236		161.6	0.02	72.62	19.71	7.65				"CLEAR COLOR, 80-140 MESH"	A 10-POINT CHORD WHICH INCLUDES 5 SAMPLES PREVIOUSLY ANALYZED	CONCORDIA INTERCEPT AGE SUGGESTS THAT THE TONALITE FORMED ABOUT 3500 M.Y. AGO.  ZIRCONS HAVE A MINIMUM AGE OF 3300 M.Y.
10459	3	2840		3105		3280				3487	123			"11.51, 13.21, 31.42"	zircon	673.3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	250		164.2	0.018	72.69	19.49	7.81				"CLEAR COLOR, 140-200 MESH"	A 10-POINT CHORD WHICH INCLUDES 5 SAMPLES PREVIOUSLY ANALYZED	CONCORDIA INTERCEPT AGE SUGGESTS THAT THE TONALITE FORMED ABOUT 3500 M.Y. AGO.  ZIRCONS HAVE A MINIMUM AGE OF 3300 M.Y.
10459	4	2690		2970		3170				3487	123			"11.51, 13.21, 31.42"	zircon	673.4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	520.3		324	0.106	72.78	19.11	8.01				"DARK COLOR, 140-200 MESH"	A 10-POINT CHORD WHICH INCLUDES 5 SAMPLES PREVIOUSLY ANALYZED.	CONCORDIA INTERCEPT AGE SUGGESTS THAT THE TONALITE FORMED ABOUT 3500 M.Y. AGO.  ZIRCONS HAVE A MINIMUM AGE OF 3300 M.Y.
10459	5	2765		3040		3230				3487	123			"11.51, 13.21, 31.42"	zircon	673.5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	285.5		182.3	0.03	72.46	18.94	8.57				"CLEAR AND DARK COLORS, 200-270 MESH"	A 10-POINT CHORD WHICH INCLUDES 5 SAMPLES PREVIOUSLY ANALYZED	CONCORDIA INTERCEPT AGE SUGGESTS THAT THE TONALITE FORMED ABOUT 3500 M.Y. AGO.  ZIRCONS HAVE A MINIMUM AGE OF 3300 M.Y.
10463	1	2550		2840		3055				3043	26			"11.51, 13.21, 31.42"	zircon	781A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	830.4		484.7	0.08	72.4	17.53	9.99				"DARK COLOR, GREATER THAN 80 MESH"	A 4-POINT CHORD WHICH INCLUDES DATA FROM A PREVIOUSLY ANALYZED SAMPLE	THE PEGMATITIC GRANITE PROBABLY FORMED 3050 M.Y. AGO.
10463	2	2565		2835		3035				3043	26			"11.51, 13.21, 31.42"	zircon	781B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	809.3		477.9	0.092	72.29	17.42	10.19				"DARK COLOR, 80-140 MESH"	A 4-POINT CHORD WHICH INCLUDES DATA FROM A PREVIOUSLY ANALYZED SAMPLE	THE PEGMATITIC GRANITE PROBABLY FORMED 3050 M.Y. AGO.
10463	3	2535		2815		3025				3043	26			"11.51, 13.21, 31.42"	zircon	781C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	987.8		571.6	0.077	72.5	17.2	10.22				"DARK COLOR, 140-200 MESH"	A 4-POINT CHORD WHICH INCLUDES DATA FROM A PREVIOUSLY ANALYZED SAMPLE.	THE PEGMATITIC GRANITE PROBABLY FORMED 3050 M.Y. AGO.
10494	1					0									K feldspar	KA604-73	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.1	0.22	52.9	1.502	22.65	22.95	52.9						A PB-PB AGE OF 1.84+/-0.5 B.Y. IS INDICATED BY ANALYTICAL DATA FROM THE K-FELDSPAR AND WHOLE-ROCK.
10494	2					0									whole rock	KA604-73	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.64	12.5	20.9	1.369	23.67	21.3	53.66						A PB-PB AGE OF 1.84+/-0.5 B.Y. IS INDICATED BY ANALYTICAL DATA FROM THE K-FELDSPAR AND WHOLE-ROCK.
10495	1					0									K feldspar	73MRV-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.11	0.1	47.3	1.544	22.09	23.34	53.02						A PB-PB AGE OF 2.605+/-0.006 B.Y. IS INDICATED BY ANALYTICAL DATA FROM THE K-FELDSPAR AND WHOLE-ROCK.
10495	2					0									whole rock	73MRV-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.46	25.5	31.2	1.222	24	19.61	55.17						A PB-PB AGE OF 2.605+/-0.006 B.Y. IS INDICATED BY ANALYTICAL DATA FROM THE K-FELDSPAR AND WHOLE-ROCK.
10601	1	1565		1640		1739				1760	10			"18.6, 15.8, 39.0"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	847		274	0.164	75.67	10.29	13.88	471		age of volcanism		13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10602	1	1618		1680		1757				1760	10			"18.6, 15.8, 39.0"	zircon	2A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	469		158	0.163	75.68	10.35	13.8	471		age of volcanism	LEAST MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10603	1	1410		1546		1737				1760	10			"18.6, 15.8, 39.0"	zircon	3A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	471		137	0.148	74.94	9.99	14.92	471		age of intrusion	LEAST MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10603	2	1219		1407		1704				1760	10			"18.6, 15.8, 39.0"	zircon	3B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	758		199	0.238	72.02	10.77	16.98	471		age of volcanism	MORE MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10604	1	1334		1486		1711				1760	10			"18.6, 15.8, 39.0"	zircon	4A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	904		225	0.064	80.59	9.32	10.03	471		age of intrusion	LEAST MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10604	2	1011		1235		1651				1760	10			"18.6, 15.8, 39.0"	zircon	4D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1543		306	0.14	75.92	9.63	14.32	471		age of intrusion	MORE MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10605	1	1219		1403		1695				1760	10			"18.6, 15.8, 39.0"	zircon	5A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1197		272	0.075	80.11	9.36	10.45	471		age of intrusion	LEAST MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10605	2	844		1090		1622				1760	10			"18.6, 15.8, 39.0"	zircon	5B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2051		321	0.108	78.55	9.34	12	471		age of intrusion	MORE MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10606	1	1638		1712		1805								"18.6, 15.8, 39.0"	zircon	6A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	720		237	0.122	77.48	10.2	12.2				LEAST MAGNETIC FRACTION		QUARTZ MONZONITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO.
10606	2	1473		1604		1781								"18.6, 15.8, 39.0"	zircon	6C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1011		282	0.069	80.16	9.67	10.11				MORE MAGNETIC FRACTION		QUARTZ MONZONITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO.
10607	1	1732		1780		1836				1859	20			"18.6, 15.8, 39.0"	zircon	7A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	433		146	0.028	79.15	9.27	11.56	472		age of volcanism	LEAST MAGNETIC FRACTION	7-POINT CHORD	FORMED ABOUT 1859 M.Y. AGO
10607	2	1616		1708		1823				1859	20			"18.6, 15.8, 39.0"	zircon	7D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	466		147	0.032	78.41	9.17	12.39	472		age of volcanism	MORE MAGNETIC FRACTION	7-POINT CHORD	FORMED ABOUT 1859 M.Y. AGO
10608	1	1555		1663		1801								"18.6, 15.8, 39.0"	zircon	8A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	313		89	0.015	82.38	9.28	8.33				LEAST MAGNETIC FRACTION		TONALITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO
10609	1	1674		1748		1838				1842	10			"18.6, 15.8, 39.0"	zircon	9A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	348		121	0.053	74.06	9.04	16.85	473		age of intrusion	LEAST MAGNETIC FRACTION	6-POINT CHORD	FORMED ABOUT 1842 M.Y. AGO
10609	2	1520		1658		1839				1842	10			"18.6, 15.8, 39.0"	zircon	9B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	477		153	0.06	72.22	8.93	18.79	473		age of intrusion	MAGNETIC FRACTION	6-POINT CHORD	FORMED ABOUT 1842 M.Y. AGO
10609	3	1522		1658		1828				1842	10			"18.6, 15.8, 39.0"	zircon	9D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	472		153	0.065	71.74	8.9	19.29	473		age of intrusion	MORE MAGNETIC FRACTION	6-POINT CHORD	FORMED ABOUT 1842 M.Y. AGO
10610	1	1569		1679		1819								"18.6, 15.8, 39.0"	zircon	10A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1112		347	0.066	76.97	9.46	13.51				LEAST MAGNETIC FRACTION		GRANITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO
10610	2	1165		1398		1774								"18.6, 15.8, 39.0"	zircon	10D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1978		458	0.106	75.23	9.6	15.06				MORE MAGNETIC FRACTION		GRANITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO.
10611	1	1740		1785		1839				1842	10			"18.6, 15.8, 39.0"	zircon	11A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	197		64	0.029	82.07	9.62	8.28	473		age of intrusion	LEAST MAGNETIC FRACTION	6-POINT CHORD	TONALITE PROBABLY FORMED 1842 M.Y. AGO
10611	2	1700		1765		1842				1842	10			"18.6, 15.8, 39.0"	zircon	11B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	264		82	0.006	83.25	9.45	7.3	473		age of intrusion	MORE MAGNETIC FRACTION	6-POINT CHORD	TONALITE PROBABLY FORMED 1842 M.Y. AGO
10612	1	1442		1587		1785								"18.6, 15.8, 39.0"	zircon	12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	453		119	0.048	82.91	9.7	7.34						LEUCOTONALITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO
10613	1	1382		1521		1719								"18.6, 15.8, 39.0"	zircon	13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1075		270	0.036	82.41	9.17	8.38						LEUCOTONALITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO
10614	1	1456		1569		1724				1760	10			"18.6, 15.8, 39.0"	zircon	14A1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	986		310	0.2	72.48	10.39	16.94	471		age of intrusion	"LEAST MAGNETIC, 100-200 MESH FRACTION"	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10614	2	1329		1477		1697				1760	10			"18.6, 15.8, 39.0"	zircon	14B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1090		321	0.23	70.64	10.55	18.58	471		age of intrusion	MORE MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10615	1	1586		1674		1786				1824	25			"18.6, 15.8, 39.0"	zircon	15A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	795		241	0.012	79.32	8.82	11.84	474		age of intrusion	LEAST MAGNETIC FRACTION	5-POINT CHORD	FORMED ABOUT 1824 M.Y. AGO
10615	2	1485		1602		1761				1824	25			"18.6, 15.8, 39.0"	zircon	15C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1058		299	0.006	78.9	8.57	12.53	474		age of intrusion	MORE MAGNETIC FRACTION	5-POINT CHORD	FORMED ABOUT 1824 M.Y. AGO
10616	1	1647		1726		1823								"18.6, 15.8, 39.0"	zircon	16A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	428		138	0.032	78.31	9.16	12.5				LEAST MAGNETIC FRACTION		GRANITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO.
10617	1	1451		1610		1825								"18.6, 15.8, 39.0"	zircon	17A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	439		128	0.072	75.65	9.42	14.86				LEAST MAGNETIC FRACTION		QUARTZ MONZONITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO.
10618	1	1738		1791		1851				1859	20			"18.6, 15.8, 39.0"	zircon	18A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1023		313	0.007	87	9.94	3.05	472		age of volcanism	LEAST MAGNETIC FRACTION	7-POINT CHORD	FORMED ABOUT 1859 M.Y. AGO
10618	2	1632		1725		1840				1859	20			"18.6, 15.8, 39.0"	zircon	18B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1360		391	0.02	86.41	9.98	3.59	472		age of volcanism	MORE MAGNETIC FRACTION	7-POINT CHORD	FORMED ABOUT 1859 M.Y. AGO
10619	1	1664		1704		1754				1760	10			"18.6, 15.8, 39.0"	zircon	19A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	352		112	0.051	80.49	9.33	10.13	471		age of volcanism	LEAST MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10619	2	1642		1688		1746				1760	10			"18.6, 15.8, 39.0"	zircon	19B1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	386		127	0.116	77.72	9.88	12.29	471		age of volcanism	"100-200 MESH, MAGNETIC FRACTION"	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10619	3	1589		1661		1754				1760	10			"18.6, 15.8, 39.0"	zircon	19C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	484		151	0.086	78.34	9.58	11.99	471		age of volcanism	MORE MAGNETIC FRACTION	13-POINT CHORD	FORMED ABOUT 1760 M.Y. AGO
10620	1	1494		1613		1772				1824	25			"18.6, 15.8, 39.0"	zircon	20A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1633		462	0.025	79.73	8.98	11.27	474		age of intrusion	LEAST MAGNETIC FRACTION	5-POINT CHORD	FORMED ABOUT 1824 M.Y. AGO
10620	2	1427		1565		1756				1824	25			"18.6, 15.8, 39.0"	zircon	20C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1699		461	0.028	79.04	8.87	12.07	474		age of intrusion	MORE MAGNETIC FRACTION	5-POINT CHORD	FORMED ABOUT 1824 M.Y. AGO
10621	1	1585		1695		1835								"18.6, 15.8, 39.0"	zircon	21A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	437		139	0.041	76.1	9.09	14.76				LEAST MAGNETIC FRACTION		GRANITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO
10622	1	1448		1577		1754				1824	25			"18.6, 15.8, 39.0"	zircon	22A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3166		829	0.049	83.45	9.62	6.88	474		age of intrusion	LEAST MAGNETIC FRACTION	5-POINT CHORD	FORMED ABOUT 1824 M.Y. AGO
10623	1	1684		1746		1821								"18.6, 15.8, 39.0"	zircon	23A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	596		187	0.035	82.5	9.65	7.81				LEAST MAGNETIC FRACTION		TONALITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO
10623	2	1492		1623		1798								"18.6, 15.8, 39.0"	zircon	23C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	872		242	0.051	81.66	9.67	8.62				MORE MAGNETIC FRACTION		TONALITE PROBABLY FORMED BETWEEN 1840 AND 1825 M.Y. AGO
10640	1	9.2		10.3		0									uranophane	1. UNP-1(U-80-1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	221350		2867	0.1055	90.987	5.742	3.165			age not evaluated	IMPURE URANOPHANE		
10641	1	2.8		3.2		0									uranophane	2. U-81-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	544300		215	0.18	87.96	6.384	5.476			age not evaluated			
10642	1	4		4.2		0									uranophane	3. U-81-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"			304	0.153	89.337	5.816	4.694			age not evaluated	538400		
10643	1	2.7		2.8		0									uranophane	4. U-81-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	535500		204	0.21	87.38	6.194	6.216			age not evaluated			
10644	1	6.6		7.4		0									uranophane	5. U-81-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	290800		270	0.252	85.315	6.893	7.542			age not evaluated	URANOPHANE PLUS TYUYAMUNITE AND OTHER URANIUM MINERALS		
10645	1	400		400		400		387							zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	520.3	196.7	33.96	0.015	84.59	4.854	10.54						STOCK IS 400 M.Y. OLD.
10646	1	82.5		81.7		59.5		103.8						"18.70, 15.63, 38.63"	monazite	300-DL-64	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1604	29360	220.9	0.0685	33.56	2.59	63.77						"MONAZITE PROBABLY FORMED 100-80 M.Y. AGO, DURING A STAUROLITE-GRADE METAMORPHIC EVENT."
10647	1	161		174		0		151						"18.51, 15.72, 38.44"	zircon	40A-MW-60	"1.55125E-04, 9.8485E-04, 4.9475E-05"	411.5	203.9	12.84	0.215	73.82	7.1	18.86						THE AGE OF INTRUSION IS PROBABLY AROUND 161 M.Y.
10648	1	154		140		0		146						"18.51, 15.72, 38.44"	zircon	40B-MW-60	"1.55125E-04, 9.8485E-04, 4.9475E-05"	734.4	750.8	22	0.682	71.05	4.16	24.71						THE AGE OF THE HORNFELS IS AROUND 154 M.Y.
10719	1	2194		2360		2510		2218		2600				"13.9, 14.7, 33.7"	zircon	M-45H(50-100)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	834.4	356.3	381.5	0.023	76.62	12.95	10.41				50-100 MESH	3-POINT CONCORDIA CHORD WITH LOWER INTERCEPT AT 800 M.Y.	DIKE PROBABLY FORMED ABOUT 2600 M.Y. AGO.
10719	2	1411		1723		2128		1130		2600				"13.9, 14.7, 33.7"	zircon	M-45H(100-150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2107.1	1080.1	572.1	0.04	78.13	10.84	10.99				100-150 MESH	3-POINT CONCORDIA CHORD WITH LOWER INTERCEPT AT 800 M.Y.	DIKE PROBABLY FORMED ABOUT 2600 M.Y. AGO.
10719	3	1294		1637		2113		669		2600				"13.9, 14.7, 33.7"	zircon	M-45H(200-270)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2181.2	1839.1	541.8	0.043	77.61	10.73	11.61				200-270 MESH	3-POINT CONCORDIA CHORD WITH LOWER INTERCEPT OF 800 M.Y.	DIKE PROBABLY FORMED ABOUT 2600 M.Y. AGO.
10721	1	2647		3073		3366		3177		3560				"12.1, 13.8, 8.32"	zircon	D1042(60-80)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	668.1	236	422.5	0.052	69.74	20.11	10.1	491			60-80 MESH	5-POINT CHORD WITH 1200 M.Y. AS LOWER INTERCEPT	POSSIBLE INITIAL AGE OF 3600 M.Y.
10721	2	2732		3107		3361		3252		3560				"12.1, 13.8, 8.32"	zircon	D1042(100-150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	737.2	276.1	487	0.054	69.42	19.98	10.55	491			100-150 MESH	5-POINT CHORD WITH 1200 M.Y. AS LOWER INTERCEPT	POSSIBLE INITIAL AGE OF 3600 M.Y.
10721	3	2576		3006		3309		2808		3560				"12.1, 13.8, 8.32"	zircon	D1042(200-270)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	781.1	326.9	478.2	0.054	69.73	19.43	10.78	491			200-270 MESH	5-POINT CHORD WITH 1200 M.Y. AS LOWER INTERCEPT	POSSIBLE INITIAL AGE OF 3600 M.Y.
10722	1	2647		3073		3366		3177						"12.1, 13.8, 8.32"	zircon	D1042(60-80)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	668.1	236	422.5	0.052	69.74	20.11	10.1				60-80 MESH	DATA FROM 3 SIZE FRACTIONS OF ZIRCONS SUGGEST AN INITIAL AGE OF 3600 M.Y.	ROCK HAS A MINIMUM AGE OF 3366 M.Y. AND A POSSIBLE INITIAL AGE OF 3600 M.Y.
10722	2	2732		3107		3361		3252						"12.1, 13.8, 8.32"	zircon	D1042(100-150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	737.2	276.1	487	0.054	69.42	19.98	10.55				100-150 MESH	DATA FROM 3 SIZE FRACTIONS OF ZIRCONS SUGGEST AN INITIAL AGE OF 3600 M.Y.	ROCK HAS A MINIMUM AGE OF 3366 M.Y. AND A POSSIBLE INITIAL AGE OF 3600 M.Y.
10722	3	2576		3006		3309		2808						"12.1, 13.8, 8.32"	zircon	D1042(200-270)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	781.1	326.9	478.2	0.054	69.73	19.43	10.78				200-270 MESH	DATA FROM 3 SIZE FRACTIONS OF ZIRCONS SUGGEST AN INITIAL AGE OF 3600 M.Y.	ROCK HAS A MINIMUM AGE OF 3366 M.Y. AND A POSSIBLE INITIAL AGE OF 3600 M.Y.
10723	1	2830		3180		3411		3402		3560				"12.1, 13.8, 32.1"	zircon	M-83(100-150)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	520.2	170.2	347.8	0.01	71.06	20.63	8.301	491			"100-150 MESH, NONMAGNETIC FRACTION"	5-POINT CHORD WITH 1200 M.Y. AS LOWER INTERCEPT	POSSIBLE INITIAL AGE OF 3600 M.Y.
10723	2	2276		2797		3199		2899		3560				"12.1, 13.8, 32.1"	zircon	M-83(200-270)M	"1.55125E-04, 9.8485E-04, 4.9475E-05"	815.7	277.8	419.9	0.039	71.25	18.39	10.32	491			"200-270 MESH, MAGNETIC FRACTION"	5-POINT CHORD WITH 1200 M.Y. AS LOWER INTERCEPT	POSSIBLE INITIAL AGE OF 3600 M.Y.
10723	3	3009		3210		3340		3359						"12.1, 13.8, 32.1"	zircon	M-83(200-270)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	556.6	188.3	396.9	0.013	71.95	20	8.038				"200-270 MESH, NONMAGNETIC FRACTION"	"THIS DATA WITH OTHER DATA ON A CONCORDIA DIAGRAM SUGGESTS A NUMBER OF POSSIBLE INITIAL AGES, BUT NONE CONCLUSIVELY."	POSSIBLE INITIAL AGE OF 3600 M.Y.
10724	1	2507		3064		3455		7836						"12.1, 13.8, 32.1"	zircon	M-83(100-150)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	167	412	548	0.88	23.21	15.85	60.07				"100-150 MESH, NONMAGNETIC FRACTION WHICH WAS LEACHED IN HCL AND HNO3--LIQUID ANALYZED"	LEACHING EXPERIMENTS DID NOT CONFIRM OR DISPELL A MULTISTAGE DEVELOPMENT OF ZIRCONS IN THE GNEISS.	INITIAL AGE IS PROBABLY 3600 M.Y.
10724	2	2670		3122		3429		3300						"12.1, 13.8, 32.1"	zircon	M-83(100-150)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	669	199.9	416.5	0.013	71.1	20.9	7.99				"100-150 MESH, NONMAGNETIC FRACTION WHICH WAS LEACHED WITH HCL AND HNO3 AND PARTIALLY DISSOLVED IN HF--LIQUID ANALYZED"	LEACHING EXPERIMENTS DID NOT CONFIRM OR DISPELL A MULTISTAGE DEVELOPMENT OF ZIRCONS IN THE GNEISS.	INITIAL AGE IS PROBABLY 3600 M.Y.
10724	3	1451		2487		3492		6549						"18.8, 15.7, 39.0"	zircon	M-83(100-150)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	167	412	548	0.88	23.21	15.85	60.07				"100-150 MESH, NONMAGNETIC FRACTION WHICH WAS LEACHED IN HCL AND HNO3--LIQUID ANALYZED BUT MODERN-AGE INITIAL LEAD COMPOSITION USED FOR AGE CORRECTIONS"	LEACHING EXPERIMENTS DID NOT CONFIRM OR DISPELL MULTISTAGE DEVELOPMENT OF ZIRCONS IN THE GNEISS.	INITIAL AGE IS PROBABLY 3600 M.Y.
10724	4	3544		3421		3351		3713						"12.1, 13.8, 32.1"	zircon	M-83(100-150)NM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	251.7	116.6	226.8	0.024	70.23	19.78	9.966				"100-150 MESH, NONMAGNETIC-FRACTION RESIDUE FROM HF LEACH"	LEACHING EXPERIMENTS DID NOT CONFIRM OR DISPELL A MULTISTAGE DEVELOPMENT OF ZIRCONS IN THE GNEISS.	INITIAL AGE IS PROBABLY 3600 M.Y.
10725	1	2021		2243		2454		2651						"12.1, 13.8, 32.1"	zircon	M-112(100-150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	820.3	349.4	349	0.209	68.57	13.44	17.78				100-150 MESH	"THIS DATA WITH OTHER DATA ON A CONCORDIA DIAGRAM SUGGESTS A NUMBER OF POSSIBLE INITIAL AGES, BUT NONE CONCLUSIVELY."	INITIAL AGE IS PROBABLY 3600 M.Y.
10727	1	1752		1753		2757		1550						"16.02, 15.76, 35.99"	zircon	M-48(50-150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	724.8	2033.7	371.5	0.043	53.24	6.32	40.4				50-150 MESH	CONCORDANT AGES	METAMORPHIC EVENT AROUND 1750-1760 M.Y. AGO.
10730	1	916		1233		1844		1033		2745	65			"13.9, 14.7, 33.7"	zircon	M-71(50-100)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	5522.5	3049.5	999.1	0.08	73.69	9.347	16.88	493			50-100 MESH	4-POINT CHORD; LOWER INTERCEPT IS 640+/-140 M.Y.	INITIAL AGE IS 2745 M.Y.
10731	1	1041		1251		1635		1244						"13.9, 14.7, 33.7"	zircon	M-68(50-100)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1754.9	1023.1	365.4	0.071	73.42	8.328	18.18				50-100 MESH		INITIAL AGE MAY BE 2750 M.Y.
10733	1	2280		2499		2685		2368		2745	65			"13.9, 14.7, 33.7"	zircon	M-147(50-150)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	483.2	190.4	239.3	0.063	74.6	14.45	10.89	493			50-150 MESH	"4-POINT CHORD, LOWER INTERCEPT IS 640+/-140 M.Y.; THE 3 ZIRCON FRACTIONS OF THIS SAMPLE MAKE A CHORD THAT INTERSECTS CONCORDIA AT 2750 M.Y."	INITIAL AGE IS 2745 M.Y.
10733	2	1860		2229		2590		2194		2745	65			"13.9, 14.7, 33.7"	zircon	M-147(200-270)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	792.8	277	317.2	0.107	73.4	14.03	12.46	493			200-270 MESH	"4-POINT CHORD, LOWER INTERCEPT IS 640+/-140 M.Y.; THE 3 ZIRCON FRACTIONS OF THIS SAMPLE MAKE A CHORD THAT INTERSECTS CONCORDIA AT 2750 M.Y."	INITIAL AGE IS 2745 M.Y.
10733	3	2064		2349		2609		2517		2745	65			"13.9, 14.7, 33.7"	zircon	M-147(-270)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	905.5	234.2	394.2	0.085	75.75	14.32	9.845	493			-270 MESH FRACTION	"4-POINT CHORD, LOWER INTERCEPT IS 640+/-140 M.Y.; THE 3 ZIRCON FRACTIONS OF THIS SAMPLE MAKE A CHORD THAT INTERSECTS CONCORDIA AT 2750 M.Y."	INITIAL AGE IS 2745 M.Y.
10762	1	863.6		1441		2440.2		996.3		2560				"18.5, 15.7, 38.4"	zircon	64-1A	"1.54E-04, 9.72E-04, 4.88E-05*"	949	620.1	181.8	0.133	66.93	12.34	20.54	498				5-POINT CHORD; LOWER INTERCEPT IS 60 M.Y.	GRANITE IS AROUND 2560 M.Y. OLD.
10765	1	2164.1		2349.1		2513.9		2397		2560				"18.5, 15.7, 38.4"	zircon	64-3	"1.54E-04, 9.72E-04, 4.88E-05*"	504	300.1	211.1	0.029	72.35	12.55	15.07	498				5-POINT CHORD; LOWER INTERCEPT IS 60 M.Y.	GRANITE IS AROUND 2560 M.Y. OLD.
10766	1	1508.9		1939.5		2436.9		1479.6		2560				"18.5, 15.7, 38.4"	zircon	64-4	"1.54E-04, 9.72E-04, 4.88E-05*"	476.3	271.9	158.5	0.142	70.05	12.89	16.92	498				5-POINT CHORD; LOWER INTERCEPT IS 60 M.Y.	GRANITE IS AROUND 2560 M.Y. OLD.
10769	1	1717.4		2082.6		2466		1844.6		2650				"18.5, 15.7, 38.4"	zircon	64-7	"1.54E-04, 9.72E-04, 4.88E-05*"	724.7	369.7	272.4	0.086	72.06	12.76	15.09	498				5-POINT CHORD; LOWER INTERCEPT IS 60 M.Y.	GRANITE IS AROUND 2560 M.Y. OLD.
10773	1	1662.8		2072.7		2509.1		1538.8		2560				"18.5, 15.7, 38.4"	zircon	14(B)2	"1.54E-04, 9.72E-04, 4.88E-05*"	479.8	315.6	172.7	0.056	72.15	12.63	15.16	498				5-POINT CHORD; LOWER INTERCEPT IS 60 M.Y.	"GRANITE IS AROUND 2560 M.Y. OLD.  ALSO SEE ZARTMAN, NORTON, AND STERN, 1964."
10776	1	1662.8		2072.7		2509.1		1538.8						"18.51, 15.72, 38.44"	zircon	14(B)2	"1.54E-04, 9.72E-04, 4.88E-05*"	479.8	315.6	172.7	0.056	72.15	12.63	15.16						"GNEISS IS ABOUT 2550 M.Y. OLD.  SEE ZARTMAN AND STERN, 1967."
11373	1					0				1500	20			"17.249, 15.43, 36.845"	zircon	MO1-Z (A)	"1.5369E-04, 9.7216E-04, 4.990E-05"	3135.87			0.207	69.46	8.592	21.75			age of intrusion		RADIOGENIC 206-PB=278.77 PPM; 3-POINT CHORD	
11373	2					0				1500	20			"17.249, 15.43, 36.845"	zircon	MO1-Z (B)	"1.5369E-04, 9.7216E-04, 4.990E-05"	2260.47			0.129	74.45	8.122	17.3			age of intrusion		RADIOGENIC 206-PB=230.51 PPM; 3-POINT CHORD	
11373	3					0				1500	20			"17.249, 15.43, 36.845"	zircon	MO1-Z (C)	"1.5369E-04, 9.7216E-04, 4.990E-05"	1010.15			0.062	78.98	7.866	13.09			age of intrusion		RADIOGENIC 206-PB=149.11 PPM; 3-POINT CHORD	
11382	1					0				1495	40			"17.249, 15.43, 36.845"	zircon	MO7 (A)	"1.5369E-04, 9.7216E-04, 4.990E-05"	707.76			0.191	72.33	9.207	18.28					RADIOGENIC 206PB=123.04 PPM; UPPER CONCORDIA INTERCEPT AGE IS ONLY AN APPROXIMATION FOR A 5-POINT CHORD.	GRANITE IS PROBABLY ABOUT 1500 M.Y. OLD.
11382	2					0				1495	40			"17.249, 15.43, 36.845"	zircon	MO7 (B)	"1.5369E-04, 9.7216E-04, 4.990E-05"	695.06			0.094	76.46	8.266	15.18					RADIOGENIC 206PB=126.69 PPM; UPPER CONCORDIA INTERCEPT AGE IS ONLY AN APPROXIMATION FOR A 5-POINT CHORD	GRANITE IS PROBABLY ABOUT 1500 M.Y. OLD
11382	3					0				1495	40			"17.249, 15.43, 36.845"	zircon	MO7 (C)	"1.5369E-04, 9.7216E-04, 4.990E-05"	675.91			0.096	76.01	8.308	15.58					RADIOGENIC 206PB=125.62 PPM; UPPER CONCORDIA INTERCEPT AGE IS ONLY AN APPROXIMATION FOR A 5-POINT CHORD	GRANITE IS PROBABLY ABOUT 1500 M.Y. OLD.
11382	4					0				1495	40			"17.249, 15.43, 36.845"	zircon	MO7 (D)	"1.5369E-04, 9.7216E-04, 4.990E-05"	628.69			0.096	76.68	8.343	14.88					RADIOGENIC 206PB=116.40 PPM; UPPER CONCORDIA INTERCEPT AGE IS ONLY AN APPROXIMATION FOR A 5-POINT CHORD	GRANITE IS PROBABLY ABOUT 1500 M.Y. OLD.
11382	5					0				14.9	40			"17.249, 15.43, 36.845"	zircon	MO7 (E)	"1.5369E-04, 9.7216E-04, 4.990E-05"	572.54			0.145	74.59	8.846	16.42					RADIOGENIC 206PB=106.16 PPM; UPPER CONCORDIA INTERCEPT AGE IS ONLY AN APPROXIMATION FOR A 5-POINT CHORD	GRANITE IS PROBABLY ABOUT 1500 M.Y. OLD
11402	1					0				1408	12			"17.249, 15.43, 36.845"	zircon	MO26 (A)	"1.5369E-04, 9.7216E-04, 4.990E-05"	790.9			0.376	65.85	10.59	23.19					3-POINT CHORD; RADIOGENIC 206PB=58.73 PPM	GRANITE IS AROUND 1400 M.Y. OLD.
11402	2					0				1408	12			"17.249, 15.43, 36.845"	zircon	MO26 (B)	"1.5369E-04, 9.7216E-04, 4.990E-05"	525.83			0.209	72.99	9.094	17.71					"3-POINT CHORD, RADIOGENIC 206PB=56.60 PPM"	GRANITE IS AROUND 1400 M.Y. OLD
11402	3					0				1408	12			"17.249, 15.43, 36.845"	zircon	MO26 (C)	"1.5369E-04, 9.7216E-04, 4.990E-05"	270.58			0.309	69.15	10.17	20.37					3-POINT CHORD; RADIOGENIC 206PB=31.48 PPM	GRANITE IS AROUND 1400 M.Y. OLD.
11414	1					0				1501	40			"17.249, 15.43, 36.845"	zircon	MO6 (A)	"1.5369E-04, 9.7216E-04, 4.990E-05"	1047.61			0.219	71.32	9.093	19.37					"3-POINT CHORD, RADIOGENIC 206PB=93.18 PPM"	GRANITE IS ABOUT 1500 M.Y. OLD
11414	2					0				1501	40			"17.249, 15.43, 36.845"	zircon	MO6 (B)	"1.5369E-04, 9.7216E-04, 4.990E-05"	886.37			0.144	74.31	8.427	17.11					"3-POINT CHORD, RADIOGENIC 206PB=89.35 PPM"	GRANITE IS ABOUT 1500 M.Y. OLD.
11414	3					0				1501	40			"17.249, 15.43, 36.845"	zircon	MO6 (C)	"1.5369E-04, 9.7216E-04, 4.990E-05"	440.67			0.066	77.23	7.886	14.81					"3-POINT CHORD, RADIOGENIC 206PB=66.25 PPM"	GRANITE IS ABOUT 1500 M.Y. OLD
11418	1					0				1514	20			"17.249, 15.43, 36.845"	zircon	MB73-1 (A)	"1.5369E-04, 9.7216E-04, 4.990E-05"	288.7			0.082	78.37	8.048	13.5				"CLEAN, EUHEDRAL ZIRCONS--NO OVERGROWTHS"	4-POINT CHORD; RADIOGENIC 206PB=39.67 PPM; LOWER CONCORDIA INTERCEPT IS 450M.Y.	THE MOST PROBABLE AGE OF THESE ZIRCONS IS 1500+/-30 M.Y.
11418	2					0				1514	20			"17.249, 15.43, 36.845"	zircon	MB73-1D	"1.5369E-04, 9.7216E-04, 4.990E-05"	233.54			0.045	79.53	7.81	12.61				"CLEAN, EUHEDRAL ZIRCONS--NO OVERGROWTHS"	4-POINT CHORD; RADIOGENIC 206PB=45.72 PPM; LOWER CONCORDIA INTERCEPT IS 450 M.Y.	THE MOST PROBABLE AGE OF THESE ZIRCONS IS 1500+/-30 M.Y.
11418	3					0				1514	20			"17.249, 15.43, 36.845"	zircon	MB73-1 +100	"1.5369E-04, 9.7216E-04, 4.990E-05"	256.85			0.046	78.75	7.78	13.43				"CLEAN, EUHEDRAL ZIRCONS--NO OVERGROWTHS"	4-POINT CHORD; RADIOGENIC 206PB=47.64 PPM; LOWER CONCORDIA INTERCEPT IS 450 M.Y.	THE MOST PROBABLE AGE OF THESE ZIRCONS IS 1500+/-30 M.Y.
11418	4					0				1514	20			"17.249, 15.43, 36.845"	zircon	MB73-1 +200	"1.5369E-04, 9.7216E-04, 4.990E-05"	198.65			0.04	79.71	7.827	12.43				"CLEAN, EUHEDRAL ZIRCONS--NO OVERGROWTHS"	4-POINT CHORD; RADIOGENIC 206PB=48.52 PPM; LOWER CONCORDIA INTERCEPT IS 450 M.Y.	THE MOST PROBABLE AGE OF THESE ZIRCONS IS 1500+/-30 M.Y.
11419	1					0				1530	20			"17.249, 15.43, 36.845"	zircon	(A)	"1.5369E-04, 9.7216E-04, 4.990E-05"	1485.61			0.467	57.91	11.47	30.16					"4-POINT CHORD, RADIOGENIC 206PB=84.21 PPM"	VOLCANIC EVENT 1530 M.Y. AGO
11419	2					0				1530	20			"17.249, 15.43, 36.845"	zircon	(B)	"1.5369E-04, 9.7216E-04, 4.990E-05"	794.03			0.499	57.87	11.89	29.74					"4-POINT CHORD, RADIOGENIC 206PB=67.24 PPM"	VOLCANIC EVENT AT 1530 M.Y. AGO
11419	3					0				1530	20			"17.249, 15.43, 36.845"	zircon	(D)	"1.5369E-04, 9.7216E-04, 4.990E-05"	270.29			0.128	75.23	8.75	15.89					"4-POINT CHORD, RADIOGENIC 206PB=46.98 PPM"	VOLCANIC EVENT 1530 M.Y. AGO
11419	4					0				1530	20			"17.249, 15.43, 36.845"	zircon	(X)	"1.5369E-04, 9.7216E-04, 4.990E-05"	1347.25			0.735	45.87	13.93	39.46					"4-POINT CHORD, RADIOGENIC 206PB=50.91 PPM"	VOLCANIC EVENT 1530 M.Y. AGO
11553	1	189.9		197.4		0		194.8						"18.51, 15.72, 38.44"	zircon	1. BMCC	"1.55125E-04, 9.8485E-04, 4.9475E-05"	144	53.51	4.83	0.127	79.1	6.077	14.7						PRIMARY AGE OF THE PLUTON IS PROBABLY 190 M.Y.
11554	1	181.7		187.2		0		186						"18.51, 15.72, 38.44"	zircon	2. DPD-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	274	108.6	9.24	0.186	76.73	6.205	16.87						PRIMARY AGE OF THE PLUTON IS PROBABLY 182 M.Y.
11555	1	148.4		149.7		0		145.1						"18.51, 15.72, 38.44"	zircon	3. PM-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	446.7	156.3	10.64	0.032	84.66	4.662	10.64						PRIMARY AGE OF THE PLUTON IS PROBABLY 148 M.Y.
11556	1	150.9		152.8		0		111.2						"18.51, 15.72, 38.44"	zircon	4. LE-1092	"1.55125E-04, 9.8485E-04, 4.9475E-05"	811.5	249.2	19.4	0.058	86.27	5.14	8.53						PRIMARY AGE OF THE GRANODIORITE IS PROBABLY 151 M.Y.
11557	1	163.6		153.3		0		155.2						"18.51, 15.72, 38.44"	zircon	5. BMSD	"1.55125E-04, 9.8485E-04, 4.9475E-05"	275	127.2	9.65	0.058	80.85	4.818	14.27						PRIMARY AGE FOR THE PLUTON IS PROBABLY 164 M.Y.
11558	1	162.5		157.4		0		152.9						"18.51, 15.72, 38.44"	zircon	6. CCR-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	700.7	296.4	19.2	0.079	81.42	5.046	13.46						PRIMARY AGE FOR THE PLUTON IS PROBABLY 162 M.Y.
11559	1	165.7		169.6		0		158.8						"18.51, 15.72, 38.44"	zircon	7. LE-153	"1.55125E-04, 9.8485E-04, 4.9475E-05"	635.7	137.2	16.26	0.029	88.05	4.886	7.037						PRIMARY AGE FOR THE QUARTZ DIORITE IS AROUND 163-166 M.Y.
11560	1	162.6		163.1		0		156.6						"18.51, 15.72, 38.44"	zircon	8. LE-244	"1.55125E-04, 9.8485E-04, 4.9475E-05"	841.9	172.1	20.99	0.026	88.56	4.759	6.658						PRIMARY AGE FOR THE QUARTZ DIORITE IS AROUND 163-166 M.Y.
11561	1	140.1		41.3		0		206.2						"18.51, 15.72, 38.44"	zircon	9. IG-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2728	2010	95.29	0.351	60.68	6.252	32.72						AT LEAST SOME OF THE COMPLEX IS 140 M.Y. OLD
11562	1	116.1		110.7		0		89.3						"18.51, 15.72, 38.44"	zircon	10. LE-1036	"1.55125E-04, 9.8485E-04, 4.9475E-05"	408.9	126.7	7.45	0.049	86.64	4.713	8.601						PRIMARY AGE FOR THE GRANODIORITE IS PROBABLY 116 M.Y.
11563	1	118.5		113.5		0		106.2						"18.51, 15.72, 38.44"	zircon	11. MA-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	432.6	119	8.04	0.045	86.62	4.67	8.666						PRIMARY AGE FOR THIS PLUTONIC UNIT IS PROBABLY 110-120 M.Y.
11564	1	111.4		107.8		0		102						"18.51, 15.72, 38.44"	zircon	12. RDA-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	295.6	69.6	5.36	0.103	84.59	5.47	9.838						PRIMARY AGE FOR THIS PLUTONIC UNIT IS PROBABLY 110-120 M.Y.
11565	1	114.8		112.6		0								"18.51, 15.72, 38.44"	zircon	13. MLA-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1556.2	114.8	86.97	0.964	45.64	16.37	37.03						PRIMARY AGE FOR THE PLAGIOGRANITE IS PROBABLY 115 M.Y.
11566	1	123.6		119.4		0		120.1						"18.51, 15.72, 38.44"	zircon	14. MLC-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	234.8	57.71	5.06	0.177	80.56	6.379	12.89						PRIMARY AGE FOR THIS PLUTONIC UNIT IS PROBABLY 110-120 M.Y.
11567	1	110.3		105.2		0		99.8						"18.51, 15.72, 38.44"	zircon	15. MLC-51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	218.2	46.5	4.13	0.176	81.72	6.348	11.76						PRIMARY AGE FOR THIS PLUTONIC UNIT IS PROBABLY 110-120 M.Y.
11568	1	115.1		120.8		0		112						"18.51, 15.72, 38.44"	zircon	16. MLC-154	"1.55125E-04, 9.8485E-04, 4.9475E-05"	222.1	57.2	4.24	0.117	82.81	5.922	11.15						PRIMARY AGE FOR THIS PLUTONIC UNIT IS PROBABLY 110-120 M.Y.
11569	1	116.7		117.1		0		113.9						"18.51, 15.72, 38.44"	zircon	17. Y-682	"1.55125E-04, 9.8485E-04, 4.9475E-05"	437.5	185.4	8.34	0.032	83.02	4.511	12.43						PRIMARY AGE FOR THE GRANODIORITE IS PROBABLY 117 M.Y.
11570	1	114.3		113.9		0		76.3						"18.51, 15.72, 38.44"	zircon	18. MLB-69	"1.55125E-04, 9.8485E-04, 4.9475E-05"	372.3	138.9	7.12	0.124	82.73	5.807	11.34						PRIMARY AGE FOR THIS PLUTONIC UNIT IS PROBABLY 110-120 M.Y.
11571	1	113.3		116.7		0		118.7						"18.51, 15.72, 38.44"	zircon	19. SLB-64	"1.55125E-04, 9.8485E-04, 4.9475E-05"	414.5	162.9	7.77	0.05	82.2	4.838	12.91						PRIMARY AGE FOR THIS TONALITE IS PROBABLY 113 M.Y.
11572	1	112.3		112.4		0		117.3						"18.51, 15.72, 38.44"	zircon	20. MLD-52	"1.55125E-04, 9.8485E-04, 4.9475E-05"	194.5	47.3	3.8	0.17	80.47	6.381	12.98						PRIMARY AGE FOR THIS PLUTONIC UNIT IS PROBABLY 110-120 M.Y.
11573	1	115.9		170.8		0		149.8						"18.51, 15.72, 38.44"	zircon	21. JB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	569.3	364.4	14.4	0.232	65.98	8.158	25.63						PRIMARY AGE FOR THIS PLUTONIC UNIT IS PROBABLY 110-120 M.Y.
11574	1	111.5		109.4		0		87.9						"18.51, 15.72, 38.44"	zircon	22. RDB-58	"1.55125E-04, 9.8485E-04, 4.9475E-05"	489.7	74.3	25.09	0.922	46.51	15.8	36.77						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 112 M.Y.
11575	1	108.2		102.2		0								"18.51, 15.72, 38.44"	zircon	23. BLC-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	411.7		8.95	0.046	67.93	3.754	28.27						PRIMARY AGE FOR THIS PLUTON IS PROBABLY 105 M.Y.
11576	1	105		105.2		0		100.3						"18.51, 15.72, 38.44"	zircon	24. BLD-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	973.9	208	15.7	0.326	88.13	4.727	7.106						PRIMARY AGE FOR THIS PLUTON IS PROBABLY 105 M.Y.
11577	1	102.8		102.5		0		100.4						"18.51, 15.72, 38.44"	zircon	25. Y-676	"1.55125E-04, 9.8485E-04, 4.9475E-05"	782.8	312.4	13.06	0.036	83.46	4.531	11.97						PRIMARY AGE FOR THIS GRANITE MAY BE 103 M.Y. RON KISTLER OBTAINED AN AGE OF 107.2+/-15.6 M.Y. (5-POINT WHOLE-ROCK RB-SR ISOCHRON) FOR THIS PLUTON.
11578	1	96.9		92.6		0		84.4						"18.51, 15.72, 38.44"	zircon	26. Y-721	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2681.8	955.8	42.98	0.097	82.68	5.225	12						THESE AGES ARE PROBABLY NOT PRIMARY AGES. RON KISTLER OBTAINED AN AGE OF 107.2+/-15.6 M.Y. (5-POINT WHOLE-ROCK RB-SR ISOCHRON) FOR THIS PLUTON.
11579	1	95.7		91.9		0		92.8						"18.51, 15.72, 38.44"	zircon	27. FD-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3260.2	1196.1	53	0.118	88.28	5.81	5.792						THIS GRANITE HAS A MINIMUM AGE OF 96 M.Y.
11580	1	103		102.3		0		112.3						"18.51, 15.72, 38.44"	zircon	28. SPC-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	952.3	257.3	16.4	0.108	82.43	5.524	11.94						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 103 M.Y.
11581	1	101.9		102.4		0		99.5						"18.51, 15.72, 38.44"	zircon	29. SLB-70	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1166.3	339.1	19.22	0.07	84.38	5.106	10.44						PRIMARY AGE FOR THIS GRANITE IS PROBABLY 102 M.Y.
11582	1	104.1		91		0		93.9						"18.51, 15.72, 38.44"	zircon	30. SL-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	725	276.5	21.9	0.631	58.08	11.85	29.44						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 104 M.Y.
11583	1	112.1		104.2		0		99.6						"18.51, 15.72, 38.44"	zircon	31. Y-733	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1570.5	766.4	29.28	0.053	81.94	4.449	13.55						PRIMARY AGE FOR THIS GRANODIORITE MAY BE AROUND 110 M.Y.
11584	1	100.2		95		0		95.9						"18.51, 15.72, 38.44"	zircon	32. MP-568	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1092.8	855.6	19.6	0.043	75.75	4.079	20.13						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 100 M.Y.
11585	1	98.1		94.6		0		95.7						"18.51, 15.72, 38.44"	zircon	33. MP-520	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1140.4	951.8	20.23	0.032	74.95	3.929	21.09						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 98 M.Y.
11585	2	107.1		100.9		0		95.5						"18.51, 15.72, 38.44"	zircon	33. Y-733R	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1619	691.3	28.27	0.058	83.38	4.619	11.95						PRIMARY AGE FOR THIS GRANODIORITE MAY BE AROUND 110 M.Y.
11586	1	92.6		19.6		0		24.9						"18.51, 15.72, 38.44"	zircon	34. MP-846	"1.55125E-04, 9.8485E-04, 4.9475E-05"	974.1	392.4	16.07	0.287	80.71	5.227	13.77						THE 93 M.Y. AGE APPEARS TO BE TOO YOUNG FOR THIS PLUTONIC UNIT.
11587	1	99.8		91.3		0		92.4						"18.51, 15.72, 38.44"	zircon	35. MP-847	"1.55125E-04, 9.8485E-04, 4.9475E-05"	600.8	285.4	11.12	0.188	76	6.103	17.71						THE METAVOLCANIC UNIT HAS A MINIMUM AGE OF 100 M.Y.
11588	1	97.7		96.2		0		99.9						"18.51, 15.72, 38.44"	zircon	36. MP-789	"1.55125E-04, 9.8485E-04, 4.9475E-05"	807.5	1949	20.15	0.028	53.28	2.921	43.77						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 98 M.Y.
11589	1	92.8		92.6		0		33.6						"18.51, 15.72, 38.44"	zircon	37. SLC-119	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2974.2	2145	52.69	0.275	75.42	7.691	16.61						PRIMARY AGE FOR THIS LEUCOGRANITE IS PROBABLY 93 M.Y.
11590	1	87.9		87.4		0		348.2						"18.51, 15.72, 38.44"	zircon	38. HC-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1232.3	514.9	24.1	0.049	61.37	3.642	34.94						PRIMARY AGE FOR THIS PLUTON IS PROBABLY 93 M.Y.; THE ABOVE AGES ARE TOO YOUNG EXCEPT FOR THE 208PB-232TH AGE.
11590	2	87.6		82.6		0		87.9						"18.51, 15.72, 38.44"	zircon	38. HC1R	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1666.8	6729.3	49.13	0.132	82.7	5.662	11.5						PRIMARY AGE FOR THIS PLUTON IS PROBABLY 93 M.Y.; THE ABOVE AGES ARE TOO YOUNG.
11591	1	92.8		89.9		0		82.5						"18.51, 15.72, 38.44"	zircon	39. KPD-72	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1417.6	453.1	22.47	0.141	81.26	5.838	12.76						PRIMARY AGE FOR THIS PLUTON IS PROBABLY 93 M.Y.
11592	1	88		86.1		0		87.6						"18.51, 15.72, 38.44"	zircon	40. TMC-173	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1027.7	606.4	16	0.079	77.15	5.149	17.63						PRIMARY AGE FOR THIS QUARTZ DIORITE IS PROBABLY 88 M.Y.
11593	1	86.2		87		0		82.1						"18.51, 15.72, 38.44"	zircon	41. TMB-164	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1819.4	4124.1	40.04	0.1	54.59	4.102	41.21						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 86 M.Y.
11594	1	91.1		89		0		87.6						"18.51, 15.72, 38.44"	zircon	42. F76-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	436.3	213.4	6.75	0.067	80.4	4.738	14.8						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 91 M.Y.
11595	1	98.9		99.3		0		98.9						"18.51, 15.72, 38.44"	zircon	43. DP-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2815.4	1009.3	44.1	0.014	85.16	4.311	10.52						PRIMARY AGE FOR THIS LEUCOGRANITE IS PROBABLY 99 M.Y.
11596	1	89.8		88.5		0		84.2						"18.51, 15.72, 38.44"	zircon	44. KPB-85	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2962.6	1201.4	43.41	0.048	83.18	4.629	12.14						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 90 M.Y.
11597	1	75.8		75.9		0		70.9						"18.51, 15.72, 38.44"	zircon	45. DP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1756.3	774.8	25.04	0.212	75.27	6.694	17.82						PRIMARY AGE OF THIS GRANITE MAY BE 76 M.Y.
11598	1	88.4		83.6		0		81.1						"18.51, 15.72, 38.44"	zircon	46. ABB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1020.2	509.8	15.47	0.086	79.92	4.878	15.11						PRIMARY AGE OF THIS GRANITE MAY BE 88 M.Y.
11599	1	89.1		84.6		0		82.6						"18.51, 15.72, 38.44"	zircon	47. MT-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1459.2	590.9	20.94	0.035	84.05	4.315	11.6						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 89 M.Y.
11600	1	93.2		91.6		0		81.8						"18.51, 15.72, 38.44"	zircon	48. MT-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	7954.5	1298.7	132.7	0.243	79.54	7.318	12.9						PRIMARY AGE FOR THIS GRANODIORITE IS 93 M.Y.
11601	1	89.6		87.4		0		86.9						"18.51, 15.72, 38.44"	zircon	49. MGB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1257.4	462.3	18.36	0.055	83.47	4.7	11.77						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 90 M.Y.
11602	1	95.3		89.6		0		86.1						"18.51, 15.72, 38.44"	zircon	50. BIC-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1966.2	517.6	29.86	0.073	85.62	4.926	9.382						PRIMARY AGE FOR THE LEUCOGRANITE IS PROBABLY 95 M.Y.
11603	1	89.6		82.4		0		74.7						"18.51, 15.72, 38.44"	zircon	51. BN-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1513.1	786.3	23.44	0.106	79.69	5.062	15.14						PRIMARY AGE FOR THIS GRANITE IS PROBABLY 90 M.Y.
11604	1	201.9		204.4		0		203.1						"18.51, 15.72, 38.44"	zircon	52. MT-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1865.6	598.4	59.33	0.008	86.16	4.491	9.344						PRIMARY AGE FOR THIS QUARTZ MONZONITE IS PROBABLY 202 M.Y.
11605	1	207		207.6		0		189.5						"18.51, 15.72, 38.44"	zircon	53. MT-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1746	671.3	57.5	0.01	85.38	4.452	10.16						PRIMARY AGE FOR THIS QUARTZ MONZONITE IS PROBABLY 207 M.Y.
11606	1	214.4		206.9		0		206.4						"18.51, 15.72, 38.44"	zircon	54. CT-27	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1211.8	484.4	41.96	0.019	84.34	4.371	11.27						PRIMARY AGE FOR THIS GRANODIORITE IS PROBABLY 214 M.Y. RON KISTLER OBTAINED AN AGE OF 212.1+/-5.3 M.Y. (RB-SR WHOLE-ROCK ISOCHRON) FOR THIS PLUTON.
11607	1	155		162.9		0		145						"18.51, 15.72, 38.44"	zircon	55. BPD	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1135.1	4731.4	56.25	0.015	42.94	2.428	54.62						THE 155 M.Y. AGE APPEARS TO BE TOO YOUNG FOR THIS PLUTONIC UNIT.
11608	1	167.3		148.4		0		183.2						"18.51, 15.72, 38.44"	zircon	56. BPB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1292	555	38.83	0.134	77.73	5.367	16.76						PRIMARY AGE FOR THIS GRANITE IS PROBABLY 167 M.Y.
11609	1	168.7		167.6		0		173.9						"18.51, 15.72, 38.44"	zircon	57. MT-14	"1.55125E-04, 9.8485E-04, 4.9475E-05"	601.6	245.6	16.73	0.038	82.61	4.616	12.74						PRIMARY AGE FOR THIS QUARTZ DIORITE IS PROBABLY 169 M.Y.
11610	1	160.7		161.7		0		156.7						"18.51, 15.72, 38.44"	zircon	58. GM-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1568.2	825.4	42.48	0.033	80.76	4.493	14.71						PRIMARY AGE FOR THIS GRANITE IS PROBABLY 161 M.Y.
11611	1	161.1		161.2		0		155.9						"18.51, 15.72, 38.44"	zircon	59. MB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	454.4	203.5	14.8	0.276	71.96	7.616	20.14						PRIMARY AGE OF THIS GRANODIORITE IS PROBABLY 161 M.Y.
11612	1	171.9		162.4		0		124.3						"18.51, 15.72, 38.44"	zircon	60. MB-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	399.1	321.3	11.96	0.053	78.65	4.462	16.84						PRIMARY AGE FOR THIS QUARTZ MONZONITE IS AROUND 170 M.Y.
11613	1	167.4		169		0		147.6						"18.51, 15.72, 38.44"	zircon	61. SD-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	539.3	489.8	16.69	0.055	74.18	4.51	21.26						PRIMARY AGE FOR THIS MONZONITE IS PROBABLY 167 M.Y.
11614	1	168.1		170.4		0		142.9						"18.51, 15.72, 38.44"	zircon	62. SD-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	396.6	262.8	11.99	0.098	77	5.298	17.6						PRIMARY AGE FOR THIS QUARTZ MONZONITE IS AROUND 170 M.Y.
11624	1	95		450		1380									uraninite-pitchblende	249 (GS/256/53)	"1.55125E-04, 9.8485E-04, 4.9475E-05"											UNSUITABLE MATERIAL FOR AGE DETERMINATIONS	NO ANALYTICAL DATA GIVEN	THESE AGES ALL APPEAR SPURIOUS
11625	1	50		55		135									uraninite-pitchblende	329	"1.55125E-04, 9.8485E-04, 4.9475E-05"											SOME URANOPHANE PRESENT	NO ANALYTICAL DATA GIVEN	MINERALIZATION OCCURRED IN UPPER CRETACEOUS OR PALEOCENE TIMES.
11854	1	1538.7		1993.7		2505.1				2750	30			"14.0, 15.0, 33.0"	zircon	43	"1.54E-04, 9.72E-04, 4.99E-05*"	260		84.6	0.075	72.22	12.91	14.8				"EUHEDRAL, CLEAR, ROSE PINK"	"8-POINT CHORD, LOWER INTERCEPT IS ABOUT 500 M.Y."	PLUTON IS PROBABLY ABOUT 2750 M.Y. OLD
12048	1	79.9		92.7		434				58	2			"18.6, 15.6, 38.0"	zircon	PUP-14 (A)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1923			0.028	86.13	5.201	8.641	513			+100 MESH FRACTION	206PB=20.6 PPM; 6-POINT CONCORDIA CHORD--UPPER CONCORDIA INTERCEPT IS AROUND 1100 M.Y.	THE AGE OF CRYSTALLIZATION IS 58 M.Y.
12048	2	80		92.7		430.1				58	2			"18.6, 15.6, 38.0"	zircon	PUP-14 (B)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2178			0.028	85.94	5.182	8.849	513			100-200 MESH FRACTION	206PB=23.4 PPM; 6-POINT CONCORDIA CHORD--UPPER CONCORDIA INTERCEPT IS AROUND 1100 M.Y.	THE AGE OF CRYSTALLIZATION IS 58 M.Y.
12048	3	74.3		83.6		358.8				58	2			"18.6, 15.6, 38.0"	zircon	PUP-14 (C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2429			0.017	87	4.916	8.065	513			200-325 MESH FRACTION	206PB=24.2 PPM; 6-POINT CONCORDIA CHORD--UPPER CONCORDIA INTERCEPT IS AROUND 1100 M.Y.	THE AGE OF CRYSTALLIZATION IS 58 M.Y.
12048	4	71.2		78.8		316.3				58	2			"18.6, 15.6, 38.0"	zircon	PUP-14 (D)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2477			0.017	87.05	4.846	8.089	513			-200 MESH FRACTION	206PB=23.6 PPM; 6-POINT CONCORDIA CHORD--UPPER CONCORDIA INTERCEPT IS AROUND 1100 M.Y.	THE AGE OF CRYSTALLIZATION IS 58 M.Y.
12048	5	64.9		69		213.8				58	2			"18.6, 15.6, 38.0"	zircon	PUP-14 (E)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2571			0.015	87.62	4.641	7.727	513			"-325 MESH FRACTION; CLEAR, EUHEDRAL CRYSTALS"	206PB=22.4 PPM; 6-POINT CONCORDIA CHORD--UPPER CONCORDIA INTERCEPT IS AROUND 1100 M.Y.	THE AGE OF CRYSTALLIZATION IS 58 M.Y.
12049	1	74.6		85.6		405.4				58	2			"18.6, 15.6, 38.0"	zircon	PUP-15 (A)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1422			0.019	83.54	4.856	11.58	513			-200 MESH FRACTION	206PB=14.2 PPM; 6-POINT CONCORDIA CHORD--UPPER CONCORDIA INTERCEPT IS AROUND 1100 M.Y.	THE AGE OF CRYSTALLIZATION IS PROBABLY 58 M.Y.
12122	1	29.8		30.8		111.2		27						"18.40, 15.60, 38.20"	zircon	29. RWT-389-80	"1.55125E-04, 9.8485E-04, 4.9475E-05"											200-250 MESH FRACTION	NO ANALYTICAL DATA GIVEN	AGES SEEM TOO YOUNG; A FISSION-TRACK AGE GAVE 52 M.Y. IN ANOTHER AREA FOR THIS FORMATION
12122	2	27		27.8		102.5		24.5						"18.40, 15.60, 38.20"	zircon	28. RWT-389-30	"1.55125E-04, 9.8485E-04, 4.9475E-05"											250-325 MESH FRACTION	NO ANALYTICAL DATA GIVEN	AGES SEEM TOO YOUNG; A FISSION-TRACK AGE GAVE 52 M.Y. IN ANOTHER AREA FOR THIS FORMATION
12126	1	89.7		89.8		91.2		89.8						"18.40, 15.60, 38.20"	zircon	38. 78-200	"1.55125E-04, 9.8485E-04, 4.9475E-05"											100-150 MESH FRACTION	NO ANALYTICAL DATA GIVEN	PLUTON FORMED 90 M.Y. AGO
12126	2	89.4		89.5		93.1		88.2						"18.40, 15.60, 38.20"	zircon	38. 78-200	"1.55125E-04, 9.8485E-04, 4.9475E-05"											200-250 MESH FRACTION	NO ANALYTICAL DATA GIVEN	PLUTON FORMED 90 M.Y. AGO
12127	1	88.5		89.5		115.3		91						"18.40, 15.60, 38.20"	zircon	39. RWT-390-80	"1.55125E-04, 9.8485E-04, 4.9475E-05"											250-325 MESH FRACTION	NO ANALYTICAL DATA GIVEN	TONALITE PROBABLY FORMED 90 M.Y. AGO
12127	2	91.4		92.5		119.7		100.6						"18.40, 15.60, 38.20"	zircon	39. RWT-390-80	"1.55125E-04, 9.8485E-04, 4.9475E-05"											325-400 MESH FRACTION	NO ANALYTICAL DATA GIVEN	TONALITE PROBABLY FORMED 90 M.Y. AGO
12130	1	148.1		149		163.3		146.7						"18.40, 15.60, 38.20"	zircon	43. RWT-278-80	"1.55125E-04, 9.8485E-04, 4.9475E-05"											150-200 MESH FRACTION	NO ANALYTICAL DATA GIVEN	METATONALITE HAS A MINIMUM AGE OF 150 M.Y.
12130	2	149.8		150.5		161.8		149.8						"18.40, 15.60, 38.20"	zircon	43. RWT-278-80	"1.55125E-04, 9.8485E-04, 4.9475E-05"											250-325 MESH FRACTION	NO ANALYTICAL DATA GIVEN	METATONALITE HAS A MINIMUM AGE OF 150 M.Y.
12131	1	148.2		149.1		162.3		143						"18.40, 15.60, 38.20"	zircon	44. RWT-316-80	"1.55125E-04, 9.8485E-04, 4.9475E-05"											150-200 MESH FRACTION	NO ANALYTICAL DATA GIVEN	METAGABBRO HAS A MINIMUM AGE OF 150 M.Y.
12131	2	148.1		149.5		172		145.9						"18.40, 15.60, 38.20"	zircon	44. RWT-316-80	"1.55125E-04, 9.8485E-04, 4.9475E-05"											250-325 MESH FRACTION	NO ANALYTICAL DATA GIVEN	METAGABBRO HAS A MINIMUM AGE OF 150 M.Y.
12132	1	39.4		39.8		62.6		37.9						"18.40, 15.60, 38.20"	zircon	47. RWT-513-80	"1.55125E-04, 9.8485E-04, 4.9475E-05"											150-200 MESH FRACTION	NO ANALYTICAL DATA GIVEN	METATONALITE PROBABLY FORMED IN THE CRETACEOUS BUT WAS METAMORPHOSED (CONTACT METAMORPHISM) IN THE OLIGOCENE(?)
12132	2	47		47.5		72		46.6						"18.40, 15.60, 38.20"	zircon	47. RWT-513-80	"1.55125E-04, 9.8485E-04, 4.9475E-05"											250-325 MESH FRACTION	NO ANALYTICAL DATA GIVEN	METATONALITE PROBABLY FORMED IN THE CRETACEOUS BUT WAS METAMORPHOSED (CONTACT METAMORPHISM) IN THE OLIGOCENE(?)
12133	1	28.1		28.7		77.2		29.1						"18.40, 15.60, 38.20"	zircon	48. JTW-79-215	"1.55125E-04, 9.8485E-04, 4.9475E-05"											200-250 MESH FRACTION	NO ANALYTICAL DATA GIVEN	METATONALITE PROBABLY FORMED IN THE CRETACEOUS BUT WAS METAMORPHOSED (CONTACT METAMORPHISM) IN THE OLIGOCENE(?)
12133	2	34.4		34.9		73.3		33						"18.40, 15.60, 38.20"	zircon	48. JTW-79-215	"1.55125E-04, 9.8485E-04, 4.9475E-05"											250-325 MESH FRACTION	NO ANALYTICAL DATA GIVEN	METATONALITE PROBABLY FORMED IN THE CRETACEOUS BUT WAS METAMORPHOSED (CONTACT METAMORPHISM) IN THE OLIGOCENE(?)
12317	1					404.3				403	14			"19.11, 15.82, 39.65"	zircon	W-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"								528			"NONMAGNETIC, +200 MESH FRACTION"	"4-POINT CONCORDIA CHORD; LOWER INTERCEPT IS 0M.Y.; U=4481.6XE-9 MOL/G, PB=278.7XE-9 MOL/G"	PRIMARY AGE OF PLUTON IS 403 M.Y.
12317	2					404.3				403	14			"19.11, 15.82, 39.65"	zircon	W-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"								528			"NONMAGNETIC, -200 MESH FRACTION"	"4-POINT CONCORDIA CHORD; LOWER INTERCEPT IS 0 M.Y.; U=5551.4XE-9 MOL/G, PB=344.6XE-9 MOL/G"	PRIMARY AGE OF PLUTON IS 403 M.Y.
12320	1					403.3				403	14			"19.11, 15.82, 39.65"	zircon	W-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"								528			"NONMAGNETIC, 200-250 MESH FRACTION"	"4-POINT CONCORDIA CHORD; LOWER INTERCEPT IS 0 M.Y.; U=2479.8XE-9 MOL/G, PB=185.4XE-9 MOL/G"	PRIMARY AGE OF PLUTON IS 403 M.Y.
12320	2					403.3				403	14			"19.11, 15.82, 39.65"	zircon	W-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"								528			"NONMAGNETIC, -325 MESH FRACTION"	"4-POINT CONCORDIA CHORD; LOWER INTERCEPT IS 0 M.Y.; U=2613.8XE-9 MOL/G, PB=192.3XE-9 MOL/G"	PRIMARY AGE OF PLUTON IS 403 M.Y.
12470	1	2657		2774		2860								"13.50, 14.95"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.037	91.7	1.917	6.342				"BROWNISH-PURPLE, SUBHEDRAL, CLEAR ZIRCONS"	"238U=266.0 PPM, 206PB=117.3 PPM"	"PRIMARY AGE FOR THIS DIKE IS PROBABLY 150 M.Y.; THESE ARE PRECAMBRIAN, XENOCRYSTIC ZIRCONS"
12471	1	181		372		1727								"13.50, 14.95"	zircon	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.444	45.26	10.84	43.45				"PALE BROWNISH, SUBHEDRAL, CLEAR ZIRCONS"	"238U=141.0 PPM, 206PB=3.46 PPM"	PRIMARY AGE FOR THIS DIKE IS PROBABLY 150 M.Y.; THESE ZIRCONS ARE XENOCRYSTIC
12472	1	146.5		148.4		180									zircon	7A(C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.118	68.11	5.114	26.66				SUBHEDRAL CLEAR ZIRCONS (+200 MESH FRACTION)	"238U=267.9 PPM, 206PB=5.33 PPM"	PRIMARY AGE OF DIKE IS 148 M.Y.
12472	2	148		148.8		162									zircon	7A(M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.044	68.81	4.045	27.1				"SUBHEDRAL, CLEAR ZIRCONS (-200 MESH FRACTION)"	"238U=439.1 PPM, 206PB=8.82 PPM"	PRIMARY AGE OF DIKE IS 148 M.Y.
12473	1	169.2		193.4		500									zircon	15(C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.077	73.3	5.312	21.31				"EUHEDRAL, CLEAR ZIRCONS (+200 MESH FRACTION)"	"238U=98.9 PPM, 206PB=2.28 PPM"	PRIMARY AGE OF THIS DIKE IS 148 M.Y.; THESE ZIRCONS ARE APPARENTLY A MIXTURE OF PHENOCRYSTIC AND XENOCRYSTIC ZIRCONS
12473	2	147.8		148.3		158									zircon	15(M)	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.033	72.27	4.032	23.67				"EUHEDRAL, CLEAR ZIRCONS (-200 MESH FRACTION)"	"238U=432.5 PPM, 206PB=8.68 PPM"	PRIMARY AGE FOR THIS DIKE IS 148 M.Y.
12474	1	147.6		147.9		152									zircon	17(C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.03	77.25	4.233	18.49				"EUHEDRAL, CLEAR ZIRCONS (+200 MESH FRACTION)"	"238U=478.9 PPM, 206PB=9.60 PPM"	PRIMARY AGE FOR THIS DIKE IS 148 M.Y.
12511	1	95		150		1448		471							zircon	64W66	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2345	116.2	36.4	0.075	82.86	7.541	9.521						"THESE AGES INDICATE THAT THE ZIRCONS HAD A COMPLEX HISTORY. THE 207PB/235U AGISTLER, R.W., GHENT, E.D., AND O'NEIL, J.R., 1981, PETROGENESIS OF GARNRESEARCH, V. 86, NO. B11, P. 10591-10606."
12678	1	265	3	268	3	290	20							"18.6, 15.6"	zircon	NF1	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.091	84.56	5.737	9.607				"NONMAGNETIC FRACTION, FAIRLY HOMOGENEOUS ZIRCONS"	"238U=1525 PPM, 206PB=55.43 PPM"	MINIMUM AGE IS AROUND 265 M.Y.
12678	2	248	3	257	5	344	50							"18.6, 15.6"	zircon	NF1	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.248	75.85	7.669	16.24				"MAGNETIC FRACTION, RATHER HETEROGENEOUS CRYSTALS"	"238U=1890 PPM, 206PB=64.16 PPM"	MINIMUM AGE IS AROUND 265 M.Y.
12690	1	659.1		868.9		1449									zircon	TM-102	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2978		415								"+100 MESH FRACTION; ZIRCONS WERE EUHEDRAL, NOT OBVIOUSLY ZONED, BUT RELATIVELY METAMICT"		GRANITE FORMED ABOUT 1500 M.Y. AGO
12690	2	685.6		888.4		1421									zircon	TM-102	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3595		497								"+100 MESH FRACTION; ZIRCONS ABRADED--NON-ZONED, EUHEDRAL, RELATIVELY METAMICT CRYSTALS"		GRANITE FORMED ABOUT 1500 M.Y. AGO
12864	1	114.2		114.1		113									zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.052	79.12	4.593	16.24				-200+325 MESH FRACTION	"238U=176 PPM, 206PB=2.72 PPM"	INTRUSIVE AGE IS 114 M.Y.
12865	1	111.7		111.6		111									zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.091	79.07	5.152	15.68				-200+325 MESH FRACTION	"238U=178 PPM, 206PB=2.69 PPM"	PLUTON FORMED 112 M.Y. AGO
12866	1	110.8		111.4		125									zircon		"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.051	76.74	4.469	18.74				-200+325 MESH FRACTION	"238U=223 PPM, 206PB=3.32 PPM"	PLUTON IS 111 M.Y. OLD
12867	1	111.9		115.4		188									zircon	4 W21(C)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.006	83.31	4.236	12.45				+200 MESH FRACTION	"238U=260 PPM, 206PB=3.95 PPM"	PLUTON HAS A MINIMUM AGE OF 100 M.Y.
12867	2	100.2		102.7		162									zircon	4 W-21(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.028	81.43	4.43	14.11				-200+325 MESH FRACTION	"238U=793 PPM, 206PB=10.74 PPM"	PLUTON HAS A MINIMUM AGE OF 100 M.Y.
12868	1	135.7		137.2		164									zircon	5 W5(C)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.026	84.23	4.542	11.21				+200 MESH FRACTION	"238U=543 PPM, 206PB=9.99 PPM"	PLUTON IS PROBABLY OLDER THAN 145 M.Y.
12868	2	145.2		146.2		163									zircon	5 W5(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.069	82.97	5.098	11.86				-200+325 MESH FRACTION	"238U=531 PPM, 206PB=10.46 PPM"	PLUTON IS PROBABLY OLDER THAN 145 M.Y.
12869	1	111		111.1		112									zircon	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.041	89.01	4.905	6.042				+200 MESH FRACTION	"238U=961 PPM, 206PB=14.44 PPM"	PLUTON FORMED 111 M.Y. AGO
12870	1	111.8		112		116									zircon	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.041	86.46	4.781	8.715				+200 MESH FRACTION	"238U=434 PPM, 206PB=6.57 PPM"	PLUTON FORMED 112 M.Y. AGO
12871	1	106.3		106.9		121									zircon	8	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.302	74.12	8.046	17.53				-325 MESH FRACTION	"238U=1768 PPM, 206PB=25.43 PPM"	PLUTON IS 106 M.Y. OLD
12872	1	128.6		128.4		124									zircon	9	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.018	89.03	4.58	6.374				-200+325 MESH FRACTION	"238U=2802 PPM, 206PB=48.84 PPM"	PLUTON IS 128 M.Y. OLD
12873	1	112.2		112.3		115									zircon	10 KC11(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.047	76.12	4.372	19.46				-200+325 MESH FRACTION	"238U=716 PPM, 206PB=10.88 PPM"	APLITE DIKE IS PROBABLY AROUND 110 M.Y. OLD
12873	2	109.9		111.6		148									zircon	10 KC11(F)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.029	81.04	4.4	14.54				-325 MESH FRACTION	"238U=1100 PPM, 206PB=16.36 PPM"	APLITE DIKE IS PROBABLY AROUND 110 M.Y. OLD
12874	1	111.5		112.4		130									zircon	11 KC6(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.009	87.18	4.369	8.441				+200 MESH FRACTION	"238U=860 PPM, 206PB=12.97 PPM"	PLUTON IS AROUND 110 M.Y. OLD
12874	2	109		110.9		152									zircon	11 KC6(M-1)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.01	87.22	4.434	8.34				-200+325 MESH FRACTION	"238U=1236 PPM, 206PB=18.23 PPM"	PLUTON IS AROUND 110 M.Y. OLD
12874	3	109		109.8		127									zircon	11 KC6(M-2)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.011	87	4.389	8.6				-200+325 MESH FRACTION	"238U=1219 PPM, 206PB=17.98 PPM"	PLUTON IS AROUND 110 M.Y. OLD
12875	1	86.2		86.1		83									zircon	12	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.034	78.38	4.23	17.35					"238U=5894 PPM, 206PB=68.67 PPM"	PLUTON IS 86 M.Y. OLD
12876	1	115.7		117.2		149									zircon	13	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.014	81.83	4.211	13.94				-200+325 MESH FRACTION	"238U=886 PPM, 206PB=13.83 PPM"	PLUTON MAY BE 116 M.Y. OLD
12877	1	99.1		99.4		105									zircon	14	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.018	83.51	4.276	12.19				-200+325 MESH FRACTION	"238U=1076 PPM, 206PB=14.43 PPM"	PLUTON IS AT LEAST 99 M.Y. OLD
12878	1	108		107.9		106									zircon	15	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.078	69.84	4.506	25.57				-200+325 MESH FRACTION	"238U=897 PPM, 206PB=13.24 PPM"	PLUTON IS 108 M.Y. OLD
12879	1	103.9		103.2		90									zircon	16	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.037	74.77	4.112	21.08				-200+325 MESH FRACTION	"238U=1378 PPM, 206PB=19.22 PPM"	PLUTON MAY BE 103 M.Y. OLD
12879	2	97.6		97.3		88									sphene	16	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.36	47.96	7.578	44.1				+200 MESH FRACTION	"238U=223 PPM, 206PB=2.95 PPM"	PLUTON IS AT LEAST 97 M.Y. OLD
12880	1	97.4		97.3		96									zircon	17	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.016	81.62	4.145	14.22				-200+325 MESH FRACTION	"238U=1804 PPM, 206PB=23.76 PPM"	PLUTON IS AT LEAST 97 M.Y. OLD
12881	1	92.7		95.7		170									zircon	18	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.071	76.82	4.836	18.28					"238U=703 PPM, 206PB=8.87 PPM"	PLUTON MAY BE 93 M.Y. OLD
12881	2	88.7		88.6		86									sphene	18	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.557	32.98	9.757	56.7				+200 MESH FRACTION	"238U=113 PPM, 206PB=1.35 PPM"	PLUTON IS AT LEAST 88 M.Y. OLD
12882	1	127.6		128.1		137									zircon	19 KC14(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.033	84.38	4.605	10.98				+200 MESH FRACTION	"238U=3480 PPM, 206PB=60.56 PPM"	PLUTON MAY BE 134 M.Y. OLD AND IS NOT LESS THAN 120 M.Y. OLD
12882	2	119.5		120		128									zircon	19 KC14(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.063	82.26	4.938	12.74				-200+325 MESH FRACTION	"238U=2766 PPM, 206PB=46.18 PPM"	PLUTON MAY BE 134 M.Y. OLD AND IS NOT LESS THAN 120 M.Y. OLD
12883	1	134.1		134.7		146									zircon	20	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.012	84.72	4.317	10.95				-200+325 MESH FRACTION	"238U=2351 PPM, 206PB=42.70 PPM"	PLUTON MAY BE 134 M.Y. OLD AND IS NOT LESS THAN 120 M.Y. OLD
12884	1	83.7		83.9		91									zircon	21	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.039	71.51	3.986	24.46				-200+325 MESH FRACTION	"238U=1121 PPM, 206PB=12.68 PPM"	PLUTON IS 83-86 M.Y. OLD
12884	2	83.3		84.1		109									sphene	21	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.59	41.82	10.67	46.92				+200 MESH FRACTION	"238U=297 PPM, 206PB=3.18 PPM"	PLUTON IS 83-86 M.Y. OLD
12885	1	85.1		85.4		93									zircon	22 KC13(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.017	80.25	4.094	15.64				+200 MESH FRACTION	"238U=850 PPM, 206PB=9.77 PPM"	PLUTON IS 83-86 M.Y. OLD
12885	2	86.1		86.2		89									zircon	22 KC13(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.014	80.36	4.048	15.58				-200+325 MESH FRACTION	"238U=988 PPM, 206PB=11.49 PPM"	PLUTON IS 83-86 M.Y. OLD
12886	1	85.1		85.5		93									zircon	23	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.022	80.37	4.164	15.45				-200+325 MESH FRACTION	"238U=969 PPM, 206PB=11.15 PPM"	PLUTON IS 83-86 M.Y. OLD
12887	1	100.5		102.3		148									zircon	24 OW4(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.082	72.87	4.772	22.27				+200 MESH FRACTION	"238U=260 PPM, 206PB=3.54 PPM"	PLUTON IS PROBABLY 103 M.Y. OLD
12887	2	102.8		103		108									zircon	24 OW4(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.07	65.76	4.191	29.98				-200+325 MESH FRACTION	"238U=306 PPM, 206PB=4.26 PPM"	PLUTON IS 103 M.Y. OLD
12888	1	102.5		102.8		112									zircon	25	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.051	80.28	4.635	15.04				-200+325 MESH FRATION	238U=383 PPM; 206PB=5.31 PPM	PLUTON IS 103 M.Y. OLD
12889	1	164.4		165.1		176									zircon	26 OW6(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.014	79.58	4.16	16.25				-200+325 MESH FRACTION	"238U=1007 PPM, 206PB=22.50 PPM"	PLUTON IS AROUND 165 M.Y. OLD
12889	2	165.2		165.5		171									zircon	26 OW6(F-1)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.013	79.32	4.121	16.55				-325 MESH FRACTION	"238U=1155 PPM, 206PB=25.95 PPM"	PLUTON IS AROUND 165 M.Y. OLD
12889	3	166.1		166.4		171									zircon	26 OW6(F-2)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"											-325 MESH FRACTION	238U=1152 PPM. NO OTHER ANALYTICAL DATA GIVEN	PLUTON IS AROUND 165 M.Y. OLD
12889	4	158.3		158.6		164									sphene	26	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.372	41.33	7.497	50.8				+200 MESH FRACTION	"238U=170 PPM, 206PB=3.65 PPM"	PLUTON IS AROUND 165 M.Y. OLD
12890	1	112.2		112.1		111									zircon	27	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.1	76.46	5.154	18.28					"238U=1498 PPM, 206PB=22.75 PPM"	PLUTON IS 112 M.Y. OLD
12891	1	162.9		163.4		172									zircon	28	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.051	76.95	4.558	18.44				-200+325 MESH FRACTION	"238U=1140 PPM, 206PB=25.23 PPM"	PLUTON IS 163 M.Y. OLD
12892	1	152.1		156.2		219									zircon	29 E27-9(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.035	74.55	4.287	21.13				-200+325 MESH FRACTION	"238U=777 PPM, 206PB=16.06 PPM"	PLUTON IS AROUND 152 M.Y. OLD
12892	2	151		151.9		165									zircon	29 E27-9(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.038	75.26	4.278	20.42				-325 MESH FRACTION	"238U=825 PPM, 206PB=16.94 PPM"	PLUTON IS AROUND 152 M.Y. OLD
12893	1	110.6		112.6		156									zircon	30 W24(C)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.061	78.9	4.777	16.26				+200 MESH FRACTION	"238U=422 PPM, 206PB=6.33 PPM"	PLUTON MAY BE 111 M.Y. OLD AND IS AT LEAST 103 M.Y. OLD
12893	2	103.2		104.6		138									zircon	30 W24(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.034	79.56	4.381	16.02				-200+325 MESH FRACTION	"238U=645 PPM, 206PB=9.01 PPM"	PLUTON MAY BE 111 M.Y. OLD AND IS AT LEAST 103 M.Y. OLD
12894	1	114.5		114.8		123									zircon	31	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.109	80.21	5.492	14.18				+200 MESH FRACTION	"238U=202 PPM, 206PB=3.12 PPM"	PLUTON IS 115 M.Y. OLD
12895	1	115.6		123.2		271									zircon	32 W16(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.064	81.57	5.156	13.21				-200+325 MESH FRACTION	"238U=135 PPM, 206PB=2.11 PPM"	PLUTON IS AROUND 113-116 M.Y. OLD
12895	2	113.1		114.6		147									zircon	32 W16(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.06	82.59	4.927	12.42				-325 MESH FRACTION	"238U=204 PPM, 206PB=3.12 PPM"	PLUTON IS AROUND 113-116 M.Y. OLD
12896	1	100.9		101.8		123									zircon	33 W18(C)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.028	86.45	4.592	8.931				+200 MESH FRACTION	"238U=362 PPM, 206PB=4.94 PPM"	PLUTON IS AROUND 101-105 M.Y. OLD
12896	2	105.3		110.1		214									zircon	33 W18(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.034	86.13	4.848	8.983				-200+325 MESH FRACTION	"238U=411 PPM, 206PB=5.86 PPM"	PLUTON IS AROUND 101-105 M.Y. OLD
12897	1	101.4		102.9		139									zircon	34 W19(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.011	86.89	4.41	8.69				-200+325 MESH FRACTION	"238U=955 PPM, 206PB=13.11 PPM"	PLUTON IS AROUND 97-101 M.Y. OLD
12897	2	96.6		98		130									zircon	34 W19(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.01	86.86	4.379	8.75				-325 MESH FRACTION	"238U=988 PPM, 206PB=12.92 PPM"	PLUTON IS AROUND 97-101 M.Y. OLD
12898	1	99.8		100.2		110									zircon	35 SQ57(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.066	75.39	4.637	19.9				-200+325 MESH FRACTION	"238U=977 PPM, 206PB=13.18 PPM"	MAFIC INCLUSIONS HAVE AN APPARENT AGE OF AROUND 100 M.Y.
12898	2	98.4		98.3		97									zircon	35 SQ57(F)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.057	80.48	4.693	14.77				-325 MESH FRACTION	"238U=923 PPM, 206PB=12.30 PPM"	MAFIC INCLUSIONS HAVE AN APPARENT AGE OF AROUND 100 M.Y.
12899	1	100.1		100.2		104									zircon	36 SQ9(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.04	84.58	4.656	10.73				+200 MESH FRACTION	"238U=876 PPM, 206PB=11.86 PPM"	PLUTON HAS AN AGE AROUND 97-102 M.Y.
12899	2	100		100.6		116									zircon	36 SQ9(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.071	82.81	5.041	12.08				-200+325 MESH FRACTION	"238U=1386 PPM, 206PB=18.74 PPM"	PLUTON HAS AN AGE OF AROUND 97-102 M.Y.
12900	1	97.3		97.6		104									zircon	37 SQ22(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.026	75.34	4.011	20.62				+200 MESH FRACTION	"238U=628 PPM, 206PB=8.27 PPM"	PLUTON HAS AN AGE OF AROUND 97-102 M.Y.
12900	2	97.3	97.9			113									zircon	37 SQ22(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.022	82.57	4.31	13.1				-200+325 MESH FRACTION	"238U=664 PPM, 206PB=8.74 PPM"	PLUTON HAS AN AGE OF AROUND 97-102 M.Y.
12901	1	100.4		101.2		122									zircon	38 SQ75(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.011	84.13	4.242	11.62				-200+325 MESH FRACTION	"238U=993 PPM, 206PB=13.48 PPM"	PLUTON HAS AN AGE OF AROUND 97-102 M.Y.
12901	2	100.6		100.9		110									zircon	38 SQ75(F)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.036	78.42	4.317	17.23				-325 MESH FRACTION	"238U=1158 PPM, 206PB=15.75 PPM"	PLUTON HAS AN AGE OF AROUND 97-102 M.Y.
12902	1	102.3		102.2		100									zircon	39	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.033	77.66	4.207	18.1				-325 MESH FRACTION	"238U=928 PPM, 206PB=12.84 PPM"	PLUTON HAS AN AGE OF AROUND 97-102 M.Y.
12903	1	96.8		98.2		131									zircon	40 SQ5(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.023	83.68	4.402	11.9				-200+325 MESH FRACTION	"238U=947 PPM, 206PB=12.40 PPM"	PLUTON HAS AN AGE OF AROUND 97-102 M.Y.
12903	2	96.2		97.8		136									zircon	40 SQ5(F)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.017	83.59	4.321	12.07				-325 MESH FRACTION	"238U=1165 PPM, 206PB=15.16 PPM"	PLUTON HAS AN AGE OF AROUND 97-102 M.Y.
12904	1	110.7		111.3		125									zircon	41 SQ8(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.032	84.88	4.594	10.5				+200 MESH FRACTION	"238U=577 PPM, 206PB=8.65 PPM"	PLUTON IS PROBABLY AROUND 115 M.Y. OLD
12904	2	114.8		115.7		134									zircon	41 SQ8(M-1)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.063	83.36	4.988	11.59				-200+325 MESH FRACTION	"238U=704 PPM, 206PB=10.94 PPM"	PLUTON IS PROBABLY AROUND 115 M.Y. OLD
12904	3	115.4		116.8		146									zircon	41 SQ8(M-2)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.02	85.11	4.472	10.4				-200+325 MESH FRACTION	"238U=702 PPM, 206PB=10.97 PPM"	PLUTON IS PROBABLY AROUND 115 M.Y. OLD
12904	4	113.3		114.4		138									zircon	41 SQ8(M-3)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.021	85.16	4.464	10.35				-200+325 MESH FRACTION	"238U=726 PPM, 206PB=11.14 PPM"	PLUTON IS PROBABLY AROUND 115 M.Y. OLD
12904	5	105.9		107.3		138									zircon	41 SQ5(F)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.009	85.6	4.31	10.08				-325 MESH FRACTION	"238U=933 PPM, 206PB=13.37 PPM"	PLUTON IS PROBABLY AROUND 115 M.Y. OLD
12905	1	96.1		96		95									sphene	41	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.846	49.19	14.84	35.12				+200 MESH FRACTION	"238U=47.5 PPM, 206PB=0.62 PPM"	PLUTON IS PROBABLY AROUND 115 M.Y. OLD
12906	1	102.9		104.7		146									zircon	42	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.033	82.42	4.518	13.03				-325 MESH FRACTION	"238U=1560 PPM, 206PB=21.72 PPM"	PLUTON IS PROBABLY AROUND 98-103 M.Y. OLD
12907	1	98.2		98.6		108									zircon	43	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.011	85.43	4.284	10.27				-200+325 MESH FRACTION	"238U=1218 PPM, 206PB=16.18 PPM"	PLUTON IS PROBABLY AROUND 98-103 M.Y. OLD
12907	2	101.2		101.6		111									sphene	43	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.356	57.53	8.004	34.11				+200 MESH FRACTION	"238U=227 PPM, 206PB=3.11 PPM"	PLUTON IS PROBABLY AROUND 98-103 M.Y. OLD
12908	1	97.1		97.5		107									zircon	44 SQ13(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.051	80.71	4.634	14.6				-200+325 MESH FRACTION	"238U=745 PPM, 206PB=9.79 PPM"	PLUTON IS AROUND 96-99 M.Y. OLD
12908	2	98.1		98.9		118									zircon	44 SQ13(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.034	80.31	4.394	15.26				-200+325 MESH FRACTION	"238U=963 PPM, 206PB=12.78 PPM"	PLUTON IS AROUND 96-99 M.Y OLD
12909	1	99.3		99.5		105									zircon	45 SQ46(M)C	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.042	76.18	4.284	19.49				-200+325 MESH FRACTION	"238U=1308 PPM, 206PB=17.67 PPM"	PLUTON IS AROUND 96-99 M.Y. OLD
12909	2	96.3		96.9		116									zircon	45 SQ46(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.008	78.53	3.908	17.56				+200 MESH FRACTION	"238U=1219 PPM, 206PB=15.87 PPM"	PLUTON IS AROUND 96-99 M.Y. OLD
12909	3	97.7		97		80									sphene	45	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.346	62.1	8.039	29.52				+200 MESH FRACTION	"238U=295 PPM, 206PB=3.88 PPM"	PLUTON IS AROUND 96-99 M.Y. OLD
12910	1	100.5		100.8		107									zircon	46 SQ61(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.048	87.34	4.913	7.701				+200 MESH FRACTION	"238U=4146 PPM, 206PB=56.39 PPM"	PLUTON IS AROUND 100 M.Y. OLD
12910	2	99.9		100.5		115									zircon	46 SQ61(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.035	88.59	4.8	6.575				-200+325 MESH FRACTION	"238U=4626 PPM, 206PB=62.53 PPM"	PLUTON IS AROUND 100 M.Y. OLD
12911	1	91.5		91.6		95									zircon	47 SQ67(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.036	81.11	4.428	14.43				+200 MESH FRACTION	"238U=773 PPM, 206PB=9.55 PPM"	PLUTON IS AROUND 91 M.Y. OLD
12911	2	90.7		91		101									zircon	47 SQ67(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.024	81.09	4.242	14.64				-200+325 MESH FRACTION	"238U=858 PPM, 206PB=10.52"	PLUTON IS AROUND 91 M.Y. OLD
12912	1	87.9		90.2		151									zircon	48 68M15(C)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.05	80.09	4.664	15.2				+200 MESH FRACTION	"238U=673 PPM, 206PB=7.98 PPM"	PLUTON IS AROUND 88 M.Y. OLD
12912	2	88.3		90.4		146									zircon	48 68M15(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.158	75.46	6.017	18.36				-200+325 MESH FRACTION	"238U=673 PPM, 206PB=8.04 PPM"	PLUTON IS AROUND 88 M.Y. OLD
12913	1	83.4		83.5		88									zircon	49	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.008	81.73	4.027	14.24				-200+325 MESH FRACTIONS	"238U=1064 PPM, 206PB=11.98 PPM"	PLUTON IS AROUND 83 M.Y. OLD
12914	1	87.6		87.1		74									zircon	50 OW41(M-1)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.049	80.93	4.557	14.46				-200+325 MESH FRACTION	"238U=743 PPM, 206PB=8.80 PPM"	PLUTON IS AROUND 87 M.Y. OLD
12914	2	86.5		86.2		80									zircon	50 OW41(M-2)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.082	72.98	4.697	22.24				-200+325 MESH FRACTION	"238U=828 PPM, 206PB=9.67 PPM"	PLUTON IS AROUND 87 M.Y. OLD
12915	1	85.4		85.3		83									zircon	51 E27-3(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.102	79.49	5.299	15.1				-325 MESH FRACTION	"238U=1931 PPM, 206PB=22.28 PPM"	PLUTON IS AROUND 86 M.Y. OLD
12915	2	86.8		89.2		155									zircon	51 E27-3(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.073	80.78	5.046	14.1				-200+325 MESH FRACTION	"238U=1542 PPM, 206PB=18.08 PPM"	PLUTON IS AROUND 86 M.Y. OLD
12916	1	116.3		117.4		141									zircon	52 W29(M-1)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.092	84.66	5.492	9.758				-200+325 MESH FRACTIONS	"238U=210 PPM, 206PB=3.31 PPM"	PLUTON IS AROUND 116-119 M.Y. OLD
12916	2	118.5		127.5		301									zircon	52 W29(M-2)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.446	65.35	9.968	24.24				-200+325 MESH FRACTION	"238U=191 PPM, 206PB=3.07 PPM"	PLUTON IS AROUND 116-119 M.Y. OLD
12916	3	116		120.9		218									zircon	52 W29(C)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.101	80.72	5.56	13.62				+200 MESH FRACTION	"238U=178 PPM, 206PB=2.79 PPM"	PLUTON IS AROUND 116-119 M.Y. OLD
12917	1	114.2		118.6		209									zircon	53 W30(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.009	85.27	4.431	10.29				-325 MESH FRACTION	"238U=992 PPM, 206PB=15.35 PPM"	PLUTON IS AROUND 112-114 M.Y. OLD
12917	2	111.5		118.5		263									zircon	53 W30(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.016	84.05	4.556	11.38				-200+325 MESH FRACTION	"238U=657 PPM, 206PB=9.92 PPM"	PLUTON IS AROUND 112-114 M.Y. OLD
12918	1	107.2		111.5		204									zircon	54 W31(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.028	82.15	4.528	13.29				-200+325 MESH FRACTION	"238U=380 PPM, 206PB=5.51 PPM"	PLUTON IS 108 M.Y. OLD
12918	2	108.1		107.9		103									zircon	54 W31(C)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.016	82.41	4.198	13.38				+200 MESH FRACTION	"238U=318 PPM, 206PB=4.66 PPM"	PLUTON IS 108 M.Y. OLD
12919	1	103.6		104.2		118									zircon	55	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.01	89	4.443	6.548				-200+325 MESH FRACTION	"238U=1064 PPM, 206PB=14.91 PPM"	PLUTON IS 104 M.Y. OLD
12920	1	97.3		99		139									zircon	56 W34(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.013	87.46	4.468	8.057				-200+325 MESH FRACTION	"238U=1188 PPM, 206PB=15.64 PPM"	PLUTON IS AROUND 94-97 M.Y. OLD
12920	2	96.4		98		136									zircon	56 W34(F-1)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.03	86.45	4.666	8.858				-325 MESH FRACTION	"238U=1304 PPM, 206PB=17.02 PPM"	PLUTON IS AROUND 94-97 M.Y. OLD
12920	3	94		95.3		130									zircon	56 W34(F-2)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.017	87.16	4.481	8.348				-325 MESH FRACTION	"238U=1127 PPM, 206PB=14.32 PPM"	PLUTON IS AROUND 94-97 M.Y. OLD
12921	1	98.7		100.3		140									zircon	57	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.013	87.09	4.455	8.44					"238U=1034 PPM, 206PB=13.80 PPM"	PLUTON HAS A MINIMUM AGE OF 99 M.Y.
12922	1	99.4		101.5		151									zircon	58	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.021	85.99	4.523	9.47				-325 MESH FRACTION	"238U=808 PPM, 206PB=10.87 PPM"	PLUTON HAS A MINIMUM AGE OF 99 M.Y.
12923	1	83.2		84		106									zircon	59 6-124(F-1)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.018	79.07	4.142	16.77				-325 MESH FRACTION	"238U=1338 PPM, 206PB=15.04 PPM"	PLUTON MAY BE 95 M.Y. OLD AND IS AT LEAST 83 M.Y. OLD
12923	2	94.6		95.5		118									zircon	59 6-124(F-2)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.022	79.59	4.16	16.23				-325 MESH FRACTION	"238U=1454 PPM, 206PB=18.60 PPM"	PLUTON MAY BE 95 M.Y. OLD AND IS AT LEAST 83 M.Y. OLD
12923	3	91.5		94.1		161									zircon	59 6-124(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.042	80.12	4.561	15.27				-200+325 MESH FRACTION	"238U=1035 PPM, 206PB=12.81 PPM"	PLUTON MAY BE 95 M.Y. OLD AND IS AT LEAST 83 M.Y. OLD
12924	1	156.5		161.6		237									zircon	60 7-19(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.01	79.49	4.195	16.31				-325 MESH FRACTION	"238U=908 PPM, 206PB=19.33 PPM"	PLUTON IS AROUND 156-160 M.Y. OLD
12924	2	160		168.2		285									zircon	60 7-19(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.022	77.92	4.371	17.69				-200+325 MESH FRACTION	"238U=748 PPM, 206PB=16.27 PPM"	PLUTON IS AROUND 156-160 M.Y. OLD
12925	1	159.2		169.1		310									zircon	61 77-7(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.06	77.12	4.929	17.89				-200+325 MESH FRACTION	"238U=764 PPM, 206PB=16.53 PPM"	PLUTON IS PROBABLY AROUND 148-159 M.Y. OLD
12925	2	147.7		152.1		222									zircon	61 77-7(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.02	77.75	4.226	18				-325 MESH FRACTION	"238U=974 PPM, 206PB=19.54 PPM"	PLUTON IS PROBABLY AROUND 148-159 M.Y. OLD
12926	1	169.9		174.2		233									zircon	62	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.019	78.28	4.259	17.44					"238U=339 PPM, 206PB=7.84 PPM"	PLUTON IS AROUND 170 M.Y. OLD
12927	1	153.2		156.5		208									zircon	63	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.006	83.98	4.302	11.72				-325 MESH FRACTION	"238U=2946 PPM, 206PB=61.31 PPM"	PLUTON IS AROUND 153 M.Y. OLD
12928	1	80.2		80.3		84									zircon	64 7-55(C)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.233	70.72	6.814	22.23				+200 MESH FRACTION	"238U=711 PPM, 206PB=7.71 PPM"	DIKE IS 80 M.Y. OLD
12928	2	80.9		80.8		80									zircon	64 7-55(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.499	59.95	10.21	29.35				-325 MESH FRACTION	"238U=624 PPM, 206PB=6.82 PPM"	DIKE IS 80 M.Y. OLD
12929	1	88.3		90.2		142									zircon	65	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.437	62.52	9.509	27.53					"238U=279 PPM, 206PB=3.34 PPM"	DIKE IS AROUND 88 M.Y. OLD
12930	1	153.9		154.5		164									zircon	66 8-54(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.026	82.2	4.44	13.33				-200+325 MESH FRACTION	"238U=764 PPM, 206PB=15.87 PPM"	PLUTON IS AROUND 155 M.Y.
12930	2	155.5		156.9		178									zircon	66 8-54(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.014	85.35	4.454	10.18				-325 MESH FRACTION	"238U=1590 PPM, 206PB=33.59 PPM"	PLUTON IS AROUND 155 M.Y. OLD
12931	1	216.6		218.4		238									zircon	67 MA2(F-1)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.003	85.34	4.382	10.28				-325 MESH FRACTION	"238U=1408 PPM, 206PB=41.64 PPM"	PLUTON MAY BE 217 M.Y. OLD AND IS AT LEAST 210 M.Y. OLD
12931	2	210.2		211.6		228									zircon	67 MA2(F-2)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.025	84.69	4.657	10.63				-325 MESH FRACTION	"238U=1498 PPM, 206PB=42.98 PPM"	PLUTON MAY BE 217 M.Y. OLD AND IS AT LEAST 210 M.Y. OLD
12932	1	201.4		204.8		244									zircon	68 MA5(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.001	89.6	4.591	5.803				-200+325 MESH FRACTION	"238U=2817 PPM, 206PB=77.4 PPM"	PLUTON MAY BE 201 M.Y. OLD (OR OLDER) AND IS AT LEAST 185 M.Y. OLD
12932	2	184.7		187.9		228									zircon	68 MA5(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.012	87.72	4.599	7.67				-325 MESH FRACTION	"238U=1607 PPM, 206PB=40.14 PPM"	PLUTON MAY BE 201 M.Y. OLD (OR OLDER) AND IS AT LEAST 185 M.Y. OLD
12933	1	156.3		161.5		239									ZIRCON		"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.017	78.96	4.265	16.76				-200+325 MESH FRACTION	"238U=2615 PPM, 206PB=55.55 PPM"	DIKE MAY BE 156 M.Y. OLD (OR OLDER) AND IS AT LEAST 123 M.Y. OLD
12933	2	122.5		126.9		209									zircon	69 MA7(F)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.007	76.68	3.962	19.36				-325 MESH FRACTION	"238U=2414 PPM, 206PB=40.10 PPM"	DIKE MAY BE 156 M.Y. OLD (OR OLDER) AND IS AT LEAST 122 M.Y. OLD
12934	1	160.7		166.2		245									zircon	70 MA9(M)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.015	80.89	4.358	14.73				-200+325 MESH FRACTION	"238U=649 PPM, 206PB=14.18 PPM"	PLUTON IS AT LEAST 160 M.Y. OLD
12934	2	159		164.5		245									zircon	70 MA9(C)T	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.06	79.36	4.94	15.64				+200 MESH FRACTION	"238U=540 PPM, 206PB=11.68 PPM"	PLUTON IS AT LEAST 160 M.Y. OLD
12935	1	210.1		211.1		223									zircon	71	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.003	85.99	4.386	9.622				-200+325 MESH FRACTION	"238U=1113 PPM, 206PB=31.91 PPM"	DIKE IS AROUND 210 M.Y. OLD
12936	1	201.4		202.9		220									zircon	72	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.004	86.9	4.455	8.641				-325 MESH FRACTION	"238U=1644 PPM, 206PB=45.16 PPM"	MINIMUM AGE IS AROUND 201 M.Y.
12937	1	154.4		159.3		234									zircon	73	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.01	86.34	4.535	9.11				-325 MESH FRACTION	"238U=2092 PPM, 206PB=43.89 PPM"	THESE U-PB AGES SEEN LOW; PLUTON THOUGHT TO BE AROUND 200 M.Y. OLD
12938	1	197.3		199.6		227									zircon	74	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.009	86.22	4.507	9.263				-325 MESH FRACTION	"238U=1934 PPM, 206PB=52.03 PPM"	PLUTON IS AROUND 197 M.Y. OLD
12939	1	157		158.8		186									zircon	75	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.045	82.68	4.777	12.5				-200+325 MESH FRACTION	"238U=315.7 PPM, 206PB=6.73 PPM"	GRANITE IS AROUND 157 M.Y. OLD
12940	1	175.1		174.4		164									zircon	76	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.053	77.58	4.605	17.76				+200 MESH FRACTION	"238U=491 PPM, 206PB=11.69 PPM"	PLUTON IS AROUND 175 M.Y. OLD
12941	1	174.9		175.1		178									zircon	77	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.131	75.61	5.67	18.59				+200 MESH FRACTION	"238U=468 PPM, 206PB=11.14 PPM"	STOCK IS AROUND 175 M.Y. OLD
12942	1	155.9		156.1		161									zircon	78 COSO-1(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.159	71.23	5.808	22.8				-200+325 MESH FRACTION	"238U=628 PPM, 206PB=13.27 PPM"	PLUTON IS AROUND 156 M.Y. OLD
12942	2	157.1		158.5		180									zircon	78 COSO-1(C)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.192	70.01	6.294	23.51				+200 MESH FRACTION	"238U=642 PPM, 206PB=13.70 PPM"	PLUTON IS AROUND 156 M.Y. OLD
12943	1	185.1		185.2		186									zircon	79 GRB(F)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.195	67.41	6.208	26.19				-325 MESH FRACTION	"238U=514 PPM, 206PB=12.97 PPM"	GRANITE IS AROUND 187 M.Y. OLD
12943	2	186.7		186.8		189									zircon	79 GRB(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.246	65.18	6.846	27.73				-200+325 MESH FRACTION	"238U=420 PPM, 206PB=10.68 PPM"	GRANITE IS AROUND 187 M.Y. OLD
12944	1	160.9		159.7		143									zircon	80 JMP(F)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.047	79.05	4.551	16.35				-325 MESH FRACTION	"238U=914 PPM, 206PB=19.99 PPM"	QUARTZ MONZONITE IS AROUND 161 M.Y. OLD
12944	2	161.2		161.1		160									zircon	80 JMP(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.031	78.23	4.312	17.42				-200+325 MESH FRACTION	"238U=801 PPM, 206PB=17.55 PPM"	QUARTZ MONZONITE IS AROUND 161 M.Y. OLD
12945	1	153.9		154.1		156									zircon	81 OW11(M)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.066	74.41	4.622	20.9				-200+325 MESH FRACTION	"238U=423 PPM, 206PB=8.85 PPM"	PLUTON IS AROUND 154 M.Y. OLD
12945	2	153.7		153.7		154									zircon	81 OW11(F)S	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.047	74.38	4.341	21.24				-325 MESH FRACTION	"238U=670 PPM, 206PB=14.00 PPM"	PLUTON IS AROUND 154 M.Y. OLD
12946	1	146.9		146.4		139									zircon	82	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.113	76.13	5.38	18.38				+200 MESH FRACTION	"238U=243 PPM, 206PB=4.84 PPM"	PLUTON IS AROUND 147 M.Y. OLD
13201	1	9.6	0.1	9.6	0.1	0								"19.09, 15.61"	fluorite	A1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	572000		770	0.019	94.6	4.655	0.724				URANIUM-BEARING FLUORITE		MINERALIZATION IS PROBABLY 18-19 M.Y. OLD
13202	1	12.8	0.1	12.8	0.1	0								"19.09, 15.61"	fluorite	A2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	560000		998	0.001	95.51	4.432	0.053				URANIUM-BEARING FLUORITE		AGE OF MINERALIZATION IS 18-19 M.Y.
13203	1	29.5	2.9	49.3	4.8	0								"19.09, 15.61"	fluorite	B1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2670		51	1.053	40.55	18.07	40.33				URANIUM-BEARING FLUORITE--WEATHERED MATERIAL		U-PB AGES ARE SPURIOUS; AGE OF MINERALIZATION IS 18-19 M.Y.
13204	1	12.8	6.6	20	10	0								"19.09, 15.61"	fluorite	B2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	5450		175	1.278	29.39	20.34	48.99				URANIUM-BEARING FLUORITE--FRESH MATERIAL		207PB/204PB-235U/204PB ISOCHRON PLOT OF 7 POINTS GIVES AN AGE OF 19.0+/-3.7 M.Y.; AGE OF MINERALIZATION
13205	1	11.5	2.3	21.5	4.1	0								"19.09, 15.61"	fluorite	B4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	29400		337	1.159	35.3	19.27	44.27				URANIUM-BEARING FLUORITE--FRESH MATERIAL		207PB/204PB-235U/204PB ISOCHRON PLOT OF 7 POINTS GIVES AN AGE OF 19.0+/-3.7 M.Y.; AGE OF MINERALIZATION
13206	1	17.7	7.9	21.3	12.3	0								"19.09, 15.61"	fluorite	B6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	9310		363	1.271	29.98	20.18	48.56				URANIUM-BEARING FLUORITE--FRESH MATERIAL		207PB/204PB-235U/204PB ISOCHRON PLOT OF 7 POINTS GIVES AN AGE OF 19.0+/-3.7 M.Y.; AGE OF MINERALIZATION
13207	1	19.5	27.4	21.1	38	0								"19.09, 15.61"	fluorite	B7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	211		24.7	1.313	26.93	20.61	51.15				URANIUM-BEARING FLUORITE--FRESH MATERIAL		207PB/204PB-235U/204PB ISOCHRON PLOT OF 7 POINTS GIVES AN AGE OF 19.0+/-3.7 M.Y.; AGE OF MINERALIZATION
13208	1	14.8	2	17	3.3	0								"19.09, 15.61"	fluorite	B10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2860		33.6	1.114	37.87	18.29	42.73				URANIUM-BEARING FLUORITE--FRESH MATERIAL		207PB/204PB-235U/204PB ISOCHRON PLOT OF 7 POINTS GIVES AN AGE OF 19.0+/-3.7 M.Y.; AGE OF MINERALIZATION
13209	1	12.5	9.5	16.6	14.6	0								"19.09, 15.61"	fluorite	C1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	33600		1420	1.303	28.31	20.59	49.8				URANIUM-BEARING FLUORITE		207PB/204PB-235U/204PB ISOCHRON PLOT OF 7 POINTS GIVES AN AGE OF 19.0+/3.7 M.Y.; AGE OF MINERALIZATION
13210	1					0									fluorite	B3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	12.9		20.3	1.35	25.39	21.07	52.19				URANIUM-BEARING FLUORITE--FRESH MATERIAL		207PB/204PB-235U/204PB ISOCHRON PLOT OF 7 POINTS GIVES AN AGE OF 19.0+/-3.7 M.Y.; AGE OF MINERALIZATION
13881	1	1241		1452		1779		1755		1780	20				zircon	2. 0-41-D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1274	163	306								+150 MESH FRACTION	5-POINT CHORD ON CONCORDIA DIAGRAM	ROCK IS AROUND 1800 M.Y. OLD
13881	2	1198		1419		1770		2115		1780	20				zircon	2. 0-41-D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1360	175	409								-150+250 MESH FRACTION (MAGNETIC)	5-POINT CHORD ON CONCORDIA DIAGRAM	ROCK IS AROUND 1800 M.Y. OLD
13881	3	1296		1475		1787		2687		1780	20				zircon	2. 0-41-D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1367	499	162								-150+200 MESH FRACTION (MAGNETIC)	5-POINT CHORD ON CONCORDIA DIAGRAM	ROCK IS AROUND 1800 M.Y. OLD
13881	4	1304		1502		1795		1714		1780	20				zircon	2. 0-41-D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1226	137	286								-200+250 MESH FRACTION (NONMAGNETIC)	5-POINT CHORD ON CONCORDIA DIAGRAM	ROCK IS AROUND 1800 M.Y. OLD
13881	5	1215		1407		1711				1780	20				zircon	2. 0-41-D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1644		298								-150+250 MESH FRACTION; CLEAR ZIRCONS	5-POINT CHORD ON CONCORDIA DIAGRAM	ROCK IS AROUND 1800 M.Y. OLD
13883	1	1577		1726		1912									zircon	4. 0-64	"1.55125E-04, 9.8485E-04, 4.9475E-05"	875		253								+150 MESH FRACTION (NONMAGNETIC)		GNEISS HAS A MINIMUM AGE OF 2270 M.Y.
13883	2	1579		1689		1829									zircon	4. 0-64	"1.55125E-04, 9.8485E-04, 4.9475E-05"	825		231								-150+250 MESH FRACTION		GNEISS HAS A MINIMUM AGE OF 2270 M.Y.
13883	3	1579		1666		1777									zircon	4. 0-64	"1.55125E-04, 9.8485E-04, 4.9475E-05"	892		246								-325 MESH FRACTION (NONMAGNETIC)		GNEISS HAS A MINIMUM AGE OF 2270 M.Y.
13885	1	1549		1699		1890		2041							zircon	5. 0-57-B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	724	107	208								+250 MESH FRACTION (NONMAGNETIC)		GNEISS HAS A MINIMUM AGE OF 2270 M.Y.
13885	2	1413		1582		1814		1065							zircon	5. 0-57-B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	937	347	255								+250 MESH FRACTION (MAGNETIC)		GNEISS HAS A MINIMUM AGE OF 2270 M.Y.
13885	3	1539		1660		1829		2040							zircon	5. 0-57-B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	784	85	218								-250+325 MESH FRACTION (NONMAGNETIC)		GNEISS HAS A MINIMUM AGE OF 2270 M.Y.
13885	4	1498		1613		1767		1928							zircon	5. 0-57-B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	966	63	251								-325 MESH FRACTION (NONMAGNETIC)		GNEISS HAS A MINIMUM AGE OF 2270 M.Y.
13890	1	1595		1871		2193									zircon	7. B-118	"1.55125E-04, 9.8485E-04, 4.9475E-05"	828		305								+200 MESH FRACTION		GNEISS HAS A MINIMUM AGE OF 2270 M.Y.
13890	2	1724		1986		2271									zircon	7. B-118	"1.55125E-04, 9.8485E-04, 4.9475E-05"	688		193								-200+250 MESH FRACTION (NONMAGNETIC)		GNEISS HAS A MINIMUM AGE OF 2270 M.Y.
13893	1	773		1109		1843		1074		1993	22				zircon	9. GA-1-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1672	212	222								+100 MESH FRACTION (NONMAGNETIC)	2-POINT CHORD ON CONCORDIA DIAGRAM	GNEISS IS PROBABLY AROUND 2020 M.Y. OLD
13893	2	672		997		1804		753		1993	22				zircon	9. GA-1-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1986	339	232								+100 MESH FRACTION (MAGNETIC)	2-POINT CHORD ON CONCORDIA DIAGRAM	GNEISS IS PROBABLY AROUND 2020 M.Y. OLD
13894	1	1277		1574		1999				2023	4				zircon	10. AM-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1414		328								+100 MESH FRACTION	2-POINT CHORD ON CONCORDIA DIAGRAM	GNEISS IS PROBABLY AROUND 2020 M.Y. OLD
13894	2	1707		1850		2015				2023	4				zircon	10. AM-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	740		193								-400 MESH FRACTION	2-POINT CHORD ON CONCORDIA DIAGRAM	GNEISS IS PROBABLY AROUND 2020 M.Y. OLD
13899	1	389		939		2628									zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1863		129.9								"ZIRCONS HAVE A CLEAR, PALE-PURPLE CORE WITH A THICK, OPAQUE, PALE-GRAY RIND"		GRANITE HAS A MINIMUM AGE OF 2600 M.Y.
14187	1	428		432		456		374						"18.20, 15.60, 38.10"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	754	261	54	0.067	83.68	5.671	10.58				100-150 MESH SIZE		AVERAGE AGE OF SIX 207PB/206PB AGES IS 456+/-10 M.Y.; A PROBABLE MINIMUM AGE OF FORMATION
14187	2	401		410		463		339						"18.20, 15.60, 38.10"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	978	376	67	0.0873	82.25	5.901	11.76				200-270 MESH SIZE		AVERAGE AGE OF SIX 207PB/206PB AGES IS 456+/-10 M.Y.; A PROBABLE MINIMUM AGE OF FORMATION
14188	1	429		431		445		405						"18.20, 15.60, 38.10"	zircon	51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	539	289	39.8	0.0323	80.7	4.975	14.29				100-150 MESH SIZE		AVERAGE AGE OF SIX 207PB/206PB AGES IS 456+/-10 M.Y.; A PROBABLE MINIMUM AGE OF FORMATION
14188	2	431		436		467		374						"18.20, 15.60, 38.10"	zircon	51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	781	459	57.2	0.0118	81.46	4.764	13.76				200-270 MESH SIZE		AVERAGE AGE OF SIX 207PB/206PB AGES IS 456+/-10 M.Y.; A PROBABLE MINIMUM AGE OF FORMATION
14188	3	430		433		453		358						"18.20, 15.60, 38.10"	zircon	51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	839	532	61.6	0.0125	81.05	4.724	14.21				270-325 MESH SIZE		AVERAGE AGE OF SIX 207PB/206PB AGES IS 456+/-10 M.Y.; A PROBABLE MINIMUM AGE OF FORMATION
14188	4	417		422		451		341						"18.20, 15.60, 38.10"	zircon	51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1042	663	74.1	0.0148	81.14	4.755	14.1				325-400 MESH SIZE		AVERAGE AGE OF SIX 207PB/206PB AGES IS 456+/-10 M.Y.; A PROBABLE MINIMUM AGE OF FORMATION
14189	1	398		404		434		287						"18.20, 15.60, 38.10"	zircon	31	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1304	396	81.1	0.0108	88.32	5.062	6.602				150-200 MESH SIZE		"207PB/206PB AGE IS APPARENTLY TOO YOUNG, ROCK PROBABLY FORMED AROUND 460 M.Y. AGO"
14189	2	414		417		436		325						"18.20, 15.60, 38.10"	zircon	31	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1365	370	87.8	0.0043	88.76	4.996	6.24				250-325 MESH RANGE		207PB/206PB AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED AROUND 460 M.Y. AGO
14190	1	407		409		428		314						"18.20, 15.60, 38.10"	zircon	52	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1241	485	80.2	0.003	86.65	4.843	8.501				100-150 MESH SIZE		207PB/206PB AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED AROUND 460 M.Y. AGO
14190	2	420		422		433		302						"18.20, 15.60, 38.10"	zircon	52	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1069	368	70.4	0.0023	88.01	4.92	7.066				200-250 MESH SIZE		207PB/206PB AGE IS APPARENTLY TOO YOUNG; ROCK PROBABLY FORMED AROUND 460 M.Y. AGO
14314	1	30.4	1.5			0									apatite	881-3-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of intrusion		"238U=3.361 PPM, 206PB=0.3301 PPM"	
14425	1	162	3	163	3	191	10								zircon	WILLOWS	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.027	84.45	4.607	10.92					238U=141 PPM; 206PB (RADIOGENIC)=3.10 PPM	PRIMARY AGE IS 162-163 M.Y.
14426	1	141	3	144	3	194	20								zircon	ALAMOS	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.065	82.7	5.083	12.16					238U=282 PPM; 206PB=5.42(RADIOGENIC)	PRIMARY AGE IS AROUND 142 M.Y.
14434	1	253		372		1201		256		103	8			"18.7, 15.6, 38.6"	zircon	1. (W-20-3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	367.7	200.9	16.44	0.0383	77.87	6.781	15.31				50-100 MESH FRACTION	"LOWER CONCORDIA INTERCEPT FOR A 5-POINT CHORD IS 103 M.Y., NOT 109 M.Y., AS LISTED--COMPILER"	PLUTON FORMED ABOUT 100 M.Y. AGO
14434	2	227		329		1132		222		103	8			"18.7, 15.6, 38.6"	zircon	1. (W-20-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	469.6	279.4	18.67	0.0222	78.07	6.359	15.55				150-200 MESH FRACTION	"LOWER CONCORDIA INTERCEPT FOR A 5-POINT CHORD IS 103 M.Y., NOT 109 M.Y., AS LISTED--COMPILER"	PLUTON FORMED ABOUT 100 M.Y. AGO
14434	3	213		304		1081		188		103	8			"18.7, 15.6, 38.6"	zircon	1. (W-20-3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	522.7	355.5	19.43	0.0184	77.93	6.141	15.91				250-324 MESH FRACTION	"LOWER CONCORDIA INTERCEPT FOR A 5-POINT CHORD IS 103 M.Y., NOT 109 M.Y., AS LISTED--COMPILER"	PLUTON FORMED ABOUT 100 M.Y. AGO
14434	4	196		277		1035		164		103	8			"18.7, 15.6, 38.6"	zircon	1. (W-20-3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	558.9	413	19.26	0.0241	77.45	6.058	16.47				-400 MESH FRACTION	"LOWER CONCORDIA INTERCEPT FOR A 5-POINT CHORD IS 103 M.Y., NOT 109 M.Y., AS LISTED--COMPILER"	PLUTON FORMED ABOUT 100 M.Y. AGO
14434	5	106		106		112		103		103	8			"18.7, 15.6, 38.6"	monazite	1. (W-20-3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	5207	27680	205.4	0.0112	36.35	1.919	61.72					"LOWER CONCORDIA INTERCEPT FOR A 5-POINT CHORD IS 103 M.Y., NOT 109 M.Y., AS LISTED--COMPILER"	PLUTON FORMED ABOUT 100 M.Y. AGO
14435	1	45		56		560		49						"18.7, 15.6, 38.6"	zircon	2. (LP-4)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1139.4	458.9	8.66	0.0571	80.77	5.566	13.61				100-200 MESH FRACTION	ESTIMATED LOWER CONCORDIA INTERCEPT IS AROUND 42 M.Y.	PLUTON IS PROBABLY 50 M.Y. OLD
14440	1	132		247		1554		209		52	7			"18.7, 15.6, 38.6"	zircon	18. (W-98-4)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	694.6	103.6	14.81	0.0234	84.19	8.435	7.356	594			100-200 MESH FRACTION	LOWER CONCORDIA INTERCEPT FOR A 4-POINT CHORD IS 52 M.Y.	PLUTON FORMED 52 M.Y. AGO
14440	2	120		214		1434		201		52	7			"18.7, 15.6, 38.6"	zircon	18 (W-98-4)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	691.4	96.5	13.61	0.0544	83.26	8.284	8.403	594			200-400 MESH FRACTION	LOWER CONCORDIA INTERCEPT FOR A 4-POINT CHORD IS 52 M.Y.	PLUTON FORMED 52 M.Y. AGO
14441	1	102		173		1296		141		52	7			"18.7, 15.6, 38.6"	zircon	19. (W-98-5)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	565.8	96	9.4	0.0517	83.83	7.782	8.337	594			100-200 MESH FRACTION	LOWER CONCORDIA INTERCEPT FOR A 4-POINT CHORD IS 52 M.Y.	PLUTON FORMED 52 M.Y. AGO
14441	2	78		120		1054		126		52	7			"18.7, 15.6, 38.6"	zircon	19. (W-98-5)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	680.7	127.7	8.85	0.0672	82.24	7.083	10.61	594			200-400 MESH FRACTION	LOWER CONCORDIA INTERCEPT FOR A 4-POINT CHORD IS 52 M.Y.	PLUTON FORMED 52 M.Y. AGO
14635	1	700		703		714				732	5			"18.3, 15.61, 38.2"	zircon	SAMPLE A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	331.3			0.07	81.67	6.178	12.08	597			"CLEAR, PALE BROWN ZIRCONS; 100-200 MESH FRACTION"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=38.57 PPM	PLUTON FORMED 730 M.Y. AGO
14635	2	692		697		713				732	5			"18.3, 15.61, 38.2"	zircon	SAMPLE A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	352.2			0.111	78.21	6.545	15.13	597			"CLEAR, PALE BROWN ZIRCONS; MAGNETIC 100-200 MESH FRACTION"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=41.72 PPM	PLUTON FORMED 730 M.Y. AGO
14635	3	702		710		735				732	5			"18.3, 15.61, 38.2"	zircon	SAMPLE A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	283.4			0.085	81.62	6.442	11.85	597			"CLEAR, PALE BROWN ZIRCONS; NONMAGNETIC -200 MESH FRACTION"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=32.87 PPM	PLUTON FORMED 730 M.Y. AGO
14635	4	699		702		712				732	5			"18.3, 15.61, 38.2"	zircon	SAMPLE A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	384			0.043	81.99	5.795	12.17	597			"CLEAR, PALE BROWN ZIRCONS; MAGNETIC -200 MESH FRACTION"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=45.11 PPM	PLUTON FORMED 730 M.Y. AGO
14636	1	713		720		744				732	5			"18.3, 15.61, 38.2"	zircon	SAMPLE B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	176.9			0.297	72.15	8.911	18.64	597			"CLEAR, PALE BROWN ZIRCONS; 100-200 MESH FRACTION"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=20.87 PPM	PLUTON FORMED 730 M.Y. AGO
14636	2	714		721		743				732	5			"18.3, 15.61, 38.2"	zircon	SAMPLE B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	183.5			0.144	78.88	7.132	13.84	597			"CLEAR, PALE BROWN ZIRCONS; -200 MESH FRACTION"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=21.69 PPM	PLUTON FORMED 730 M.Y. AGO
14636	3	710		714		729				732	5			"18.3, 15.61, 38.2"	zircon	SAMPLE B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	150.4			0.126	79.83	6.899	13.15	597			"CLEAR, PALE BROWN ZIRCONS; -200 MESH FRACTION (NONMAGNETIC)"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=17.64 PPM	PLUTON FORMED 730 M.Y AGO
14636	4	707		711		724				732	5			"18.3, 15.61, 38.2"	zircon	SAMPLE B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	219.3			0.135	79.56	6.991	13.32	597			"CLEAR, PALE BROWN ZIRCONS; -200 MESH FRACTION (MAGNETIC)"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=25.58 PPM	PLUTON FORMED 730 M.Y. AGO
14637	1	575		585		640								"19.0, 15.65, 38.2"	zircon	SAMPLE C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	916.8			0.319	68.63	8.771	22.28				"CLEAR, PALE BROWN ZIRCONS; +100 MESH FRACTION (NONMAGNETIC)"	RADIOGENIC PB=89.96 PPM	PLUTON FORMED 730 M.Y. AGO
14637	2	581		605		694				732	5			"19.0, 15.65, 38.2"	zircon	SAMPLE C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1023			0.435	63.42	10.25	25.89	597			"CLEAR, PALE BROWN ZIRCONS; 100-200 MESH FRACTION"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=102.2 PPM	PLUTON FORMED 730 M.Y. AGO
14637	3	544		572		685				732	5			"19.0, 15.65, 38.2"	zircon	SAMPLE C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1331			0.296	68.99	8.583	22.13	597			"CLEAR, PALE BROWN ZIRCONS; -200 MESH FRACTION (MAGNETIC)"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=124.3 PPM	PLUTON FORMED 730 M.Y. AGO
14638	1	639		657		718				732	5			"19.0, 15.65, 38.2"	zircon	SAMPLE D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	37.8			0.199	77.23	7.762	14.81	597			"CLEAR, PALE BROWN ZIRCONS; +100 MESH FRACTION"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=24.75 PPM	PLUTON FORMED 730 M.Y. AGO
14638	2	713		716		725				732	5			"19.0, 15.65, 38.2"	zircon	SAMPLE D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	182.2			0.065	82.96	6.209	10.77	597			"CLEAR, PALE BROWN ZIRCONS; 100-200 MESH FRACTION (NONMAGNETIC)"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=21.37 PPM	PLUTON FORMED 730 M.Y. AGO
14638	3	692		699		722				732	5			"19.0, 15.65, 38.2"	zircon	SAMPLE D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	280.1			0.071	82.74	6.249	10.94	597			"CLEAR, PALE BROWN ZIRCONS; -200 MESH FRACTION"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=31.82 PPM	PLUTON FORMED 730 M.Y. AGO
14638	4	589		614		705				732	5			"19.0, 15.65, 38.2"	zircon	SAMPLE D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	432.3			0.185	78.35	7.483	13.98	597			"CLEAR, PALE BROWN ZIRCONS; -200 MESH FRACTION (MAGNETIC)"	14-POINT CHORD GIVES LOWER CONCORDIA INTERCEPT AGE OF 172+/-50 M.Y.; RADIOGENIC PB=41.28 PPM	PLUTON FORMED 730 M.Y. AGO
14735	1	943		996		1129				1128	25			"17.066, 15.509, 36.762"	zircon	AR-77	"1.55125E-04, 9.8485E-04, 4.9475E-05"	657		109.6	0.042	82.06	6.942	10.96	602			+250 MESH FRACTION (NONMAGNETIC)	3-POINT CHORD ON CONCORDIA PLOT	GNEISS IS AROUND 1130 M.Y. OLD
14735	2	895		962		1132				1128	25			"17.066, 15.509, 36.762"	zircon	AR-77	"1.55125E-04, 9.8485E-04, 4.9475E-05"	729		108.8	0.038	82.05	6.892	11.02	602			-250 MESH FRACTION (NONMAGNETIC)	3-POINT CHORD ON CONCORDIA PLOT	GNEISS IS AROUND 1130 M.Y. OLD
14736	1	930		992		1147				1128	25			"17.066, 15.509, 36.762"	zircon	RI-78	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1074		229.1	0.42	70.57	10.27	18.74	602			NONMAGNETIC FRACTION	3-POINT CHORD ON CONCORDIA PLOT	GNEISS IS AROUND 1130 M.Y. OLD
14737	1	816		866		1032				1080				"- -, 16.602, 35.656"	zircon	WP-12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.04	84.27	6.643	9.043				"CLEAR, EUHEDRAL TO SUBROUNDED ZIRCONS WITH MANY OPAQUE INCLUSIONS, OVERGROWTHS, AND OUTGROWTHS; +150 MICRON-SIZE RANGE"	"2-POINT CHORD ON CONCORDIA DIAGRAM--LOWER INTERCEPT IS 330 M.Y.; 238U=253.0 PPM, 206PB=35.4 PPM"	ROCK MAY BE 1080 M.Y. OLD OR OLDER
14737	2	968		993		1052				1080				"- -, 16.602, 35.656"	zircon	WP-12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.014	85.13	6.494	8.366				"CLEAR, EUHEDRAL TO SUBROUNDED ZIRCONS WITH MANY OPAQUE INCLUSIONS, OVERGROWTHS, AND OUTGROWTHS; 75-150 MICRON-SIZE RANGE"	"2-POINT CHORD ON CONCORDIA DIAGRAM--LOWER INTERCEPT IS 330 M.Y.; 238U=306.8 PPM, 206PB=50.7 PPM"	ROCK MAY BE 1080 M.Y. OLD OR OLDER
14737	3					1019								"- -, 16.602, 35.656"	zircon	WP-12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.016	85.43	6.479	8.079				"CLEAR, EUHEDRAL TO SUBROUNDED ZIRCONS WITH MANY OPAQUE INCLUSIONS, OVERGROWTHS, AND OUTGROWTHS; -75 MICRON-SIZE RANGE"	206PB=53.0 PPM	ROCK MAY BE 1080 M.Y. OLD OR OLDER
14738	1	616		669		853				820	20			"17.217, 15.413, 36.419"	zircon	WP-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.036	82.12	6.031	11.81	603			"EUHEDRAL, PINKISH TO BROWN ZIRCONS WITH MANY INCLUSIONS, OUTGROWTHS, AND HIGHLY ZONED; -75 MICRON-SIZE RANGE"	"7-POINT CHORD ON CONCORDIA DIAGRAM--LOWER CONCORDIA INTERCEPT IS 110 M.Y.; 238U=1159.2 PPM, 206PB=101.5 PPM"	PLUTON IS AROUND 820 M.Y. OLD
14738	2	495		543		736				820	20			"17.217, 15.413, 36.419"	zircon	WP-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.081	80.73	6.317	12.88	603			"EUHEDRAL, PINKISH TO BROWN ZIRCONS WITH MANY INCLUSIONS, HIGHLY ZONED, AND OUTGROWTHS, MAGNETIC FRACTION, -75 MICRON-SIZE RANGE"	"7-POINT CHORD WITH LOWER CONCORDIA INTERCEPT AT 110 M.Y.; 238U=1934.6 PPM, 206PB=136.2 PPM"	PLUTON IS AROUND 820 M.Y. OLD
14738	3	629		665		793				820	20			"17.217, 15.413, 36.419"	zircon	WP-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.013	83.83	5.692	10.46	603			"EUHEDRAL, PINKISH TO BROWN ZIRCONS WITH MANY INCLUSIONS, HIGHLY ZONED, AND OUTGROWTHS; NONMAGNETIC FRACTION, -75 MICRON-SIZE RANGE"	"7-POINT CHORD WITH LOWER CONCORDIA INTERCEPT AT 110 M.Y.; 238U=955.7 PPM, 206PB=85.0 PPM"	PLUTON IS AROUND 820 M.Y. OLD
14739	1	662		687		775				820	20			"17.217, 15.413, 36.419"	zircon	WP-20	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.222	76.44	8.164	15.17	603			"EUHEDRAL, PINKISH TO BROWN ZIRCONS WITH MANY INCLUSIONS, AND OUTGROWTHS, HIGHLY ZONED; 150-75 MICRON-SIZE RANGE"	"7-POINT CHORD ON CONCORDIA DIAGRAM--LOWER CONCORDIA INTERCEPT IS 110 M.Y.; 238U=1485.8 PPM, 206PB=146.2 PPM"	PLUTON IS AROUND 820 M.Y. OLD
14739	2	571		618		788				820	20			"17.217, 15.413, 36.419"	zircon	WP-20	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.025	86.37	6.013	7.588	603			"EUHEDRAL, PINKISH TO BROWN ZIRCONS WITH MANY INCLUSIONS, HIGHLY ZONED, AND OUTGROWTHS; -75 MICRON-SIZE RANGE"	"7-POINT CHORD ON CONCORDIA DIAGRAM--LOWER CONCORDIA INTERCEPT IS 110 M.Y.; 238U=1364.0 PPM, 206PB=110.4 PPM"	PLUTON IS AROUND 820 M.Y. OLD
14740	1	1198		1287		1422				1870	200			"- -, 16.602, 35.656"	zircon	WP-57	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.096	73.83	8.048	18.02				"CLEAR, HIGHLY ROUNDED ZIRCONS WITH MANY INCLUSIONS; OVERGROWTHS AND OUTGROWTHS COMMON; +150 MICRON-SIZE RANGE"	"2-POINT CHORD ON CONCORDIA DIAGRAM--LOWER INTERCEPT AT 913 M.Y.; 238U=19.7 PPM, 206PB=4.8 PPM"	ROCK MAY HAVE BEEN METAMORPHOSED AROUND 900 M.Y. AGO; INITIAL AGE COULD POSSIBLY BE 1900 M.Y.
14740	2	913		912		914				1870	200			"- -, 16.602, 35.656"	zircon	WP-57	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.273	69.91	8.795	21.02				"CLEAR, MOSTLY EUHEDRAL ZIRCONS WITH MANY INCLUSIONS; OVERGROWTHS AND OUTGROWTHS ARE COMMON; -75 MICRON-SIZE RANGE"	"2-POINT CHORD ON CONCORDIA DIAGRAM--LOWER INTERCEPT AT 913 M.Y.; 238U=21.0 PPM, 206PB=4.2 PPM"	ROCK MAY HAVE BEEN METAMORPHOSED AROUND 900 M.Y. AGO; INITIAL AGE COULD POSSIBLY BE 1900 M.Y.
14741	1	572		621		808				820	20			"17.217, 15.413, 36.419"	zircon	WP-66	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.042	80.2	5.79	13.97	603			"EUHEDRAL, PINKISH TO BROWN ZIRCONS WITH MANY INCLUSIONS, HIGHLY ZONED, AND OUTGROWTHS; -75 MICRON-SIZE RANGE; MAGNETIC FRACTION"	"7-POINT CHORD ON CONCORDIA DIAGRAM--LOWER CONCORDIA INTERCEPT IS 110 M.Y.; 238U=2424.0 PPM, 206PB=196.2 PPM"	PLUTON IS AROUND 820 M.Y. OLD
14741	2	584		632		811				820	20			"17.217, 15.413, 36.419"	zircon	WP-66	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.027	81.24	5.708	13.02	603			"EUHEDRAL, PINKISH TO BROWN ZIRCONS WITH MANY INCLUSIONS, HIGHLY ZONED, AND OUTGROWTHS; NONMAGNETIC FRACTION, -75 MICRON-SIZE RANGE"	"7-POINT CHORD ON CONCORDIA DIAGRAM--LOWER CONCORDIA INTERCEPT IS 110 M.Y.; 238U=1660.3 PPM, 206PB=137.5 PPM"	PLUTON IS AROUND 820 M.Y. OLD
14742	1	902		949		1061				1080				"- -, 16.602, 35.656"	zircon	WP-85	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.128	81.31	7.849	10.72				"BROWN TO PURPLE, SUBHEDRAL ZIRCONS WITH MANY INCLUSIONS; +150 MICRON-SIZE RANGE"	"2-POINT CHORD ON CONCORDIA DIAGRAM--LOWER INTERCEPT IS 180 M.Y.; 238U=615.1 PPM, 206PB=82.4 PPM"	ROCK MAY BE 1080 M.Y. OLD OR OLDER
14742	2	549		629		933				1080				"- -, 16.602, 35.656"	zircon	WP-85	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.138	81.44	7.717	10.71				"PINK TO YELLOW, EUHEDRAL TO SUBHEDRAL, ZONED ZIRCONS; -75 MICRON-SIZE RANGE"	"2-POINT CHORD ON CONCORDIA DIAGRAM--LOWER INTERCEPT IS 180 M.Y.; 238U=8.99.3 PPM, 206PB=71.3 PPM"	ROCK MAY BE 1080 M.Y. OLD OR OLDER
14743	1	1052.3		1062		1082				1138	15				zircon	OR-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	1003		175	0.013	86.64	6.738	6.611	606			"+200 MESH NONMAGNETIC FRACTION; DOMINANTLY SUBHEDRAL TO ANHEDRAL ZIRCONS WITH CORES, ZONING, OVERGROWTHS, AND INCLUSIONS"	7-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 340+/-100 M.Y.	GRANITE IS 1140 M.Y. OLD
14743	2	1034.4		1051.2		1086.3				1138	15				zircon	OR-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	976		166	0.015	86.48	6.767	6.735	606			"+200 MESH FRACTION; DOMINANTLY SUBHEDRAL TO ANHEDRAL ZIRCONS WITH CORES, ZONING, OVERGROWTHS, AND INCLUSIONS"	7-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 340+/-100 M.Y.	GRANITE IS 1140 M.Y. OLD
14743	3	1024.5		1039.3		1070.6				1138	15				zircon	OR-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	1088		185	0.022	86.09	6.8	7.085	606			"+200 MESH MAGNETIC FRACTION; DOMINENTLY SUBHEDRAL TO ANHEDRAL ZIRCONS WITH CORES, ZONING, OVERGROWTHS, AND INCLUSIONS"	7-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 340+/-100 M.Y.	GRANITE IS 1140 M.Y. OLD
14743	4	1004.6		1023.5		1064.1				1138	15				zircon	OR-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	1198		200	0.022	85.83	6.748	7.399	606			"+200 MESH NONMAGNETIC FRACTION; DOMINANTLY SUBHEDRAL TO ANHEDRAL ZIRCONS WITH CORES, ZONING, OVERGROWTHS, AND INCLUSIONS"	7-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 340+/-100 M.Y.	GRANITE IS 1140 M.Y. OLD
14744	1	853.7		895.2		999.1				1138	15				zircon	OR-TYPE	"1.54E-04, 9.72E-04, 4.99E-05*"	3724		499	0.073	87.14	7.372	5.419	606			"+200 MESH FRACTION; DOMINANTLY SUBHEDRAL TO ANHEDRAL ZIRCONS WITH CORES, ZONING, OVERGROWTHS, AND INCLUSIONS"	7-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 340+/-100 M.Y.	GRANITE IS 1140 M.Y. OLD
14744	2	863.6		900.1		990.8				1138	15				zircon	OR-TYPE	"1.54E-04, 9.72E-04, 4.99E-05*"	3967		539	0.071	87.17	7.313	5.441	606			"200-285 MESH FRACTION; DOMINANTLY SUBHEDRAL TO ANHEDRAL ZIRCONS WITH CORES, ZONING, OVERGROWTHS, AND INCLUSIONS"	7-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 340+/-100 M.Y.	GRANITE IS 1140 M.Y. OLD
14744	3	849.8		885.3		975.1				1138	15				zircon	OR-TYPE	"1.54E-04, 9.72E-04, 4.99E-05*"	4078		547	0.076	87.17	7.295	5.455	606			"-285 MESH MAGNETIC FRACTION; DOMINANTLY SUBHEDRAL TO ANHEDRAL ZIRCONS WITH CORES, ZONING, OVERGROWTHS, AND INCLUSIONS"	7-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 340+/-100 M.Y.	GRANITE IS 1140 M.Y. OLD
14745	1	1025.5		1030.4		1040.8				1075	15				zircon	P-2A-Z	"1.54E-04, 9.72E-04, 4.99E-05*"	214		38	0.058	81.23	6.838	11.88	604			"+200 MESH FRACTION; ZIRCONS ARE MOSTLY TRANSPARENT, SOME ZONED, INCLUSIONS COMMON"	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 469+/-100 M.Y.	INTRUSIVE IS 1075 M.Y. OLD
14745	2	1019.5		1026.5		1041.4				1075	15				zircon	P-2A-Z	"1.54E-04, 9.72E-04, 4.99E-05*"	239		42	0.036	82.1	6.611	11.25	604			"-200 MESH MAGNETIC FRACTION; ZIRCONS ARE MOSTLY TRANSPARENT, SOME ZONED, INCLUSIONS COMMON"	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 469+/-100 M.Y.	INTRUSIVE IS 1075 M.Y. OLD
14746	1	1008.6		1016.6		1033.9				1075	15				zircon	P-1A-Z	"1.54E-04, 9.72E-04, 4.99E-05*"	395		66	0.045	85.17	6.93	7.857	604			"ZIRCONS ARE MOSTLY TRANSPARENT, SOME ZONED, INCLUSIONS COMMON; +100 MESH, MAGNETIC FRACTION"	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 469+/-100 M.Y.	INTRUSIVE IS 1075 M.Y. OLD
14746	2	990.7		1002.8		1029.3				1075	15				zircon	P-1A-Z	"1.54E-04, 9.72E-04, 4.99E-05*"	414		69	0.034	85.35	6.779	7.838	604			"100-200 MESH FRACTION; ZIRCONS ARE MOSTLY TRANSPARENT, SOME ZONED, INCLUSIONS COMMON"	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 469+/-100 M.Y.	INTRUSIVE IS 1075 M.Y. OLD
14746	3	892.4		919.9		986.5				1075	15				zircon	P-1A-Z	"1.54E-04, 9.72E-04, 4.99E-05*"	626		92	0.033	85.6	6.667	7.698	604			"-200 MESH MAGNETIC FRACTION; ZIRCONS ARE MOSTLY TRANSPARENT, SOME ZONED, INCLUSIONS COMMON"	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 469+/-100 M.Y.	INTRUSIVE IS 1075 M.Y. OLD
14746	4	820		862.6		973.7				1075	15				zircon	P-1A-Z	"1.54E-04, 9.72E-04, 4.99E-05*"	982		130	0.049	85.43	6.823	7.703	604			"-200 MESH NONMAGNETIC FRACTION; ZIRCONS ARE MOSTLY TRANSPARENT, SOME ZONED, INCLUSIONS COMMON"	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 469+/-100 M.Y.	INTRUSIVE IS 1075 M.Y. OLD
14746	5	806.1		768.9		662.3									apatite	P-1A-A	"1.54E-04, 9.72E-04, 4.99E-05*"	23		8	0.759	29.59	12.75	56.9				+200 MESH FRACTION		INTRUSION IS 1075 M.Y. OLD
14747	1	1023.5		1029.4		1042				1066	20				zircon	L-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	320		55	0.065	83.28	7.099	9.56	605			+100 MESH NONMAGNETIC FRACTION	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-200 M.Y.	"GNEISS IS 1070 M.Y. OLD, A MINIMUM AGE"
14747	2	1014.5		1021.5		1036.5				1066	20				zircon	L-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	306		59	0.131	80.44	7.825	11.61	605			+100 MESH NONMAGNETIC FRACTION	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-200 M.Y.	"GNEISS IS 1070 M.Y. OLD, A MINIMUN AGE"
14747	3	978.8		998.8		1043				1066	20				zircon	L-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	396		64	0.07	83.19	7.152	9.591	605			100-200 MESH FRACTION	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-200 M.Y.	"GNEISS IS 1070 M.Y. OLD, A MINIMUM AGE"
14747	4	955		979.1		1033.6				1066	20				zircon	L-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	362		73	0.092	82.09	7.383	10.43	605			-200 MESH FRACTION	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-200 M.Y.	"GNEISS IS 1070 M.Y. OLD, A MINIMUM AGE"
14747	5	898.4		943.6		1050.6				1066	20				zircon	L-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	528		79	0.146	79.79	8.035	12.03	605			-200 MESH MAGNETIC FRACTION	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-200 M.Y.	"GNEISS IS 1070 M.Y. OLD, A MINIMUM AGE"
14748	1	900.4		938.6		1029.4				1066	20				zircon	L-1A	"1.54E-04, 9.72E-04, 4.99E-05*"	540		80	0.14	80.49	7.929	11.45	605			-200 MESH MAGNETIC FRACTION	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-200 M.Y.	"GNEISS IS 1070 M.Y. OLD, A MINIMUM AGE"
14749	1	962.9		988		1044.2				1066	20				zircon	L-1B	"1.54E-04, 9.72E-04, 4.99E-05*"	415		66	0.177	78.5	8.345	12.98	605			+200 MESH FRACTION	6-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-200 M.Y.	"GNEISS IS 1070 M.Y., A MINIMUM AGE"
14750	1	1030.4		1050.2		1091.6				1118	10				zircon	M-3	"1.54E-04, 9.72E-04, 4.99E-05*"	1742		298	0.039	85.23	7.032	7.699				+200 MESH NONMAGNETIC FRACTION	3-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-300 M.Y.	"GNEISS IS 1120 M.Y. OLD, A MINIMUM AGE"
14750	2	1043.3		1054.1		1076.5				1118	10				zircon	M-3	"1.54E-04, 9.72E-04, 4.99E-05*"	1578		273	0.027	85.79	6.858	7.326				200-285 MESH FRACTION	3-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-300 M.Y.	"GNEISS IS 1120 M.Y. OLD, A MINIMUM AGE"
14750	3	990.7		1017.6		1075.9				1118	10				zircon	M-3	"1.54E-04, 9.72E-04, 4.99E-05*"	1701		280	0.026	85.56	6.813	7.599				-285 MESH MAGNETIC FRACTION	3-POINT CHORD ON A CONCORDIA DIAGRAM; LOWER CONCORDIA INTERCEPT IS 0+/-300 M.Y.	"GNEISS IS 1120 M.Y. OLD, A MINIMUM AGE"
14789	1					0									zircon	50. (CB-1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age not evaluated		NO ANALYTICAL DATA GIVEN; U-PB AGE LISTED AS 304 M.Y.	
14790	1					0									zircon	51. (BMO-1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age not evaluated		NO ANALYTICAL DATA GIVEN; U-PB AGE LISTED AS 286 M.Y.	
14791	1					0									zircon	52. (OGP-1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age not evaluated		NO ANALYTICAL DATA GIVEN; U-PB AGE LISTED AS 177 M.Y.	
14792	1					0									zircon	53. (CO-8)	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of intrusion		NO ANALYTICAL DATA GIVEN; U-PB AGE LISTED AS 170 M.Y.	
14793	1					0									zircon	55. (C-37)	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age not evaluated		NO ANALYTICAL DATA GIVEN; U-PB AGE LISTED AS 162 M.Y.	
14794	1					0									zircon	56. (S1-1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age not evaluated		NO ANALYTICAL DATA GIVEN; U-PB AGE LISTED AS 216 M.Y.	
14817	1					1441				1461	6				zircon	UPH 1 (A)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	248.4		56.1	0.043	80.99	7.945	11.02					4-POINT CONCORDIA CHORD--LOWER INTERCEPT AGE IS 145+/-18 M.Y.	PRIMARY AGE IS 1461 M.Y.
14817	2					1441				1461	6				zircon	UPH 1 (B)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	331.8		71.4	0.047	81.11	8.015	10.83					4-POINT CONCORDIA CHORD--LOWER INTERCEPT AGE IS 145+/-18 M.Y.	PRIMARY AGE IS 1461 M.Y.
14817	3					1430				1461	6				zircon	UPH 1 (C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	414.9		83.9	0.081	79.9	8.331	11.69					4-POINT CONCORDIA CHORD--LOWER INTERCEPT AGE IS 145+/-18 M.Y.	PRIMARY AGE IS 1461 M.Y.
14817	4					1396				1461	6				zircon	UPH 1 (F)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	854.1		135.2	0.065	80.79	8.063	11.08					4-POINT CONCORDIA CHORD--LOWER INTERCEPT AGE IS 145+/-18 M.Y.	PRIMARY AGE IS 1461 M.Y.
14826	1					1446				1465	8				zircon	UPH 3 (A')	"1.55125E-04, 9.8485E-04, 4.9475E-05"	256.8		66.3	0.091	78.41	8.401	13.09					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 270+/-18 M.Y.	PRIMARY AGE IS 1465 M.Y.
14826	2					1419				1465	8				zircon	UPH 3 (A)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	379.4		92.5	0.155	73.56	8.751	17.53					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 270+/-18 M.Y.	PRIMARY AGE IS 1465 M.Y.
14826	3					1401				1465	8				zircon	UPH 3 (B)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	665.3		146	0.123	73.39	8.24	18.25					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 270+/-18 M.Y.	PRIMARY AGE IS 1465 M.Y.
14826	4					1368				1465	8				zircon	UPH 3 (DE)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1029		204.8	0.127	73.73	8.215	17.92					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 270+/-18 M.Y.	PRIMARY AGE IS 1465 M.Y.
14829	1					1470				1485	10				zircon	81-2 (B)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	267.6		57.8	0.11	75.51	8.489	15.89					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 69+/-26 M.Y.	PRIMARY AGE IS 1485 M.Y.
14829	2					1465				1485	10				zircon	81-2 (C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	336.5		67.6	0.124	74.87	8.607	16.4					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 69+/-26 M.Y.	PRIMARY AGE IS 1485 M.Y.
14829	3					1456				1485	10				zircon	81-2 (D)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	387.3		73.5	0.148	73.9	8.819	17.13					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 69+/-26 M.Y.	PRIMARY AGE IS 1485 M.Y.
14829	4					1453				1485	10				zircon	81-2 (E)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	428.9		73.4	0.148	73.9	8.809	17.14					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 69+/-26 M.Y.	PRIMARY AGE IS 1485 M.Y.
14830	1					1497				1509	12				zircon	81-3 (C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1097		310.2	0.383	67.52	11.62	20.48					4-POINT CONCORDIA CHORD; INTERCEPT IS 98+/-24 M.Y.	PRIMARY AGE IS 1509 M.Y.
14830	2					1477				1509	12				zircon	81-3 (D)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1173		248.8	0.171	75.97	9.397	14.46					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 98+/-24 M.Y.	PRIMARY AGE IS 1509 M.Y.
14830	3					1473				1509	12				zircon	81-3 (E)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1000		280.1	0.597	57.98	13.65	27.78					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 98+/-24 M.Y.	PRIMARY AGE IS 1509 M.Y.
14830	4					1436				1509	12				zircon	81-3 (G)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1623		218.4	0.133	75.85	8.714	15.3					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 98+/-24 M.Y.	PRIMARY AGE IS 1509 M.Y.
14831	1					1453				1466	6				zircon	81-5 (A)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	289.1		81.1	0.207	73.6	9.608	16.58					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 188+/-16 M.Y.	PRIMARY AGE IS 1466 M.Y.
14831	2					1447				1466	6				zircon	81-5 (B)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	363		86.6	0.097	78.37	8.483	13.05					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 188+/-16 M.Y.	PRIMARY AGE IS 1466 M.Y.
14831	3					1407				1466	6				zircon	81-5 (E)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	616		133	0.253	72.07	9.953	17.73					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 188+/-16 M.Y.	PRIMARY AGE IS 1466 M.Y.
14831	4					1374				1466	6				zircon	81-5 (G)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	708		135.7	0.323	68.54	10.52	20.62					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 188+/-16 M.Y.	PRIMARY AGE IS 1466 M.Y.
14832	1					1486									zircon	81-6 (X)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	284.1		55.4	0.041	72.37	7.292	20.3			minimum age of intrusion			
14833	1					0									rutile	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"										minimum age of metamorphic crystallization		"1835 M.Y., NO ANALYTICAL DATA GIVEN"	"THIS AGE LISTED ALSO BY MAASS AND VAN SCHMUS, 1980, AS AROUND 1850 M.Y. FOR ZIRCON--NOW KNOWN TO BE RUTILE BY X-RAY IDENTIFICATION"
14835	1					1415				1446	10				zircon	81-9 (E)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	678		160.5	0.182	73.53	9.126	17.16					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 153+/-20 M.Y.	PRIMARY AGE IS 1446 M.Y.
14835	2					1400				1446	10				zircon	81-9 (F)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	830.9		157.1	0.109	77.28	8.379	14.23					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 153+/-20 M.Y.	PRIMARY AGE IS 1446 M.Y.
14835	3					1392				1446	10				zircon	81-9 (X)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1026		173.9	0.081	78.9	8.115	12.9					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 153+/-20 M.Y.	PRIMARY AGE IS 1446 M.Y.
14835	4					1313				1446	10				zircon	81-9 (Y)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1489		178.1	0.102	78.08	8.064	13.75					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 153+/-20 M.Y.	PRIMARY AGE IS 1446 M.Y.
14836	1					1436				1454	7				zircon	81-10 (D)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1519		369.9	0.134	76.78	8.809	14.27					3-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 138+/-13 M.Y.	PRIMARY AGE IS 1454 M.Y.
14836	2					1417				1454	7				zircon	81-10 (E)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1886		363.2	0.11	77.86	8.51	13.52					3-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 138+/-13 M.Y.	PRIMARY AGE IS 1454 M.Y.
14836	3					1340				1454	7				zircon	81-10 (X)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1834		219.4	0.086	79.49	8.04	12.38					3-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 138+/-13 M.Y.	PRIMARY AGE IS 1454 M.Y.
14837	1					1224									zircon	81-11 (A')	"1.55125E-04, 9.8485E-04, 4.9475E-05"	408.6		68.6	0.088	77.88	7.555	14.48						PRIMARY AGE ESTIMATED AT AROUND 1270 M.Y. FROM CONCORDIA PLOT
14837	2					1236									zircon	81-11 (B)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	404.8		72.5	0.214	75.06	9.138	15.59						PRIMARY AGE ESTIMATED AT AROUND 1270 M.Y. FROM CONCORDIA PLOT
14838	1					1467				1472	2				zircon	"81-12A (""A"")"	"1.55125E-04, 9.8485E-04, 4.9475E-05"	387.3		101.9	0.025	81.93	7.885	10.16	608				6-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 183+/-18 M.Y.	PRIMARY AGE IS 1472 M.Y.
14838	2					1467				1472	2				zircon	81-12A (A)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	382.7		101.1	0.041	80.91	8.01	11.04	608				6-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 183+/-18 M.Y.	PRIMARY AGE IS 1472 M.Y.
14838	3					1458				1472	2				zircon	81-12A (C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	457.5		112.2	0.064	79.46	8.16	12.32	608				6-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 183+/-18 M.Y.	PRIMARY AGE IS 1472 M.Y.
14838	4					1451				1472	2				zircon	81-12A (D)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	457.5		112.2	0.085	78.56	8.348	13	608				6-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 183+/-18 M.Y.	PRIMARY AGE IS 1472 M.Y.
14839	1					1457				1472	2				zircon	81-12B (B)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	529.1		146.9	0.106	71.29	8.002	20.6	608				6-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 183+/-18 M.Y.	PRIMARY AGE IS 1472 M.Y.
14839	2					1423				1472	2				zircon	81-12B (E)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	912.7		243.6	0.229	63.85	8.949	26.97	608				6-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 183+/-18 M.Y.	PRIMARY AGE IS 1472 M.Y.
14840	1					1453				1457	10				zircon	PU 1 (A)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	143		38.9	0.007	81.03	7.498	11.47					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 218+/-150 M.Y.	PRIMARY AGE IS 1457 M.Y.
14840	2					1455				1457	10				zircon	PU 1 (B)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	171.5		45.4	0.005	80.11	7.392	12.5					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 218+/-150 M.Y.	PRIMARY AGE IS 1457 M.Y.
14840	3					1451				1457	10				zircon	PU 1 (C)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	199.3		51.9	0.008	79.18	7.332	13.48					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 218+/-150 M.Y.	PRIMARY AGE IS 1457 M.Y.
14840	4					1447				1457	10				zircon	PU 1 (D)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	210.2		55.5	0.01	78.88	7.319	13.8					4-POINT CONCORDIA CHORD; LOWER CHORD INTERCEPT IS 218+/-150 M.Y.	PRIMARY AGE IS 1457 M.Y.
14841	1	1835				0									zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of metamorphic crystallization	"LISTED AS ZIRCON BY MAASS AND VAN SCHMUS, 1980"	NO ANALYTICAL DATA GIVEN	
14842	1					0				1850					zircon	"VS77-1A,B"	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age not evaluated		PB-U RATIOS PLOT NEAR 1850 M.Y. REFERENCE CHORD; NO ANALYTICAL DATA GIVEN	
14843	1					0				1850					zircon	VS78-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age not evaluated	"ACCORDING TO CUMMINGS, 1984, THE ZIRCON IS REALLY RUTILE"	PB-U RATIOS PLOT NEAR 1850 M.Y. REFERENCE CHORD; NO ANALYTICAL DATA GIVEN	
14844	1					0				2815	20				zircon	VS77-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"										minimum age of metamorphic crystallization	"BROWN, EUHEDRAL ZIRCONS WITH NO SIGNIFICANT OVERGROWTHS OR RELICT CORES"	NO ANALYTICAL DATA GIVEN	
14845	1					0				2535	10				zircon	VS76-25	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of metamorphic crystallization	"BROWN, EUHEDRAL ZIRCONS WITH IGNEOUS ZONING BUT NO EVIDENCE OF RELICT CORES OR METAMORPHIC OVERGROWTHS"	NO ANALYTICAL DATA GIVEN	
14846	1	1875	25			0									zircon	VS78-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of intrusion	"LIGHT-BROWN, EUHEDRAL ZIRCON"	NO ANALYTICAL DATA GIVEN	
14847	1					0				1850					zircon	VS76-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of metamorphic crystallization		PB-U RATIOS PLOT NEAR 1850 M.Y. REFERENCE CHORD; NO ANALYTICAL DATA GIVEN	
14848	1					0									galena	DDH-32 AND DDH-170	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of metamorphic crystallization		207PB/204PB VERSUS 208PB/204PB ISOCHRON FOR ALL DATA=1640+/-120 M.Y.; SEE ARTICLE FOR ANALYTICAL DATA	
14849	1					0									whole rock	32-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"										age of metamorphic crystallization		207PB/204PB VERSUS 208PB/204PB ISOCHRON FOR ALL DATA=1670+/-90 M.Y.; SEE ARTICLE FOR ANALYTICAL DATA	
14850	1	1650				0		1950						"16.12, 15.43, 35.61"	whole rock	75SD-2WR	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4.6	16.2	8.91									207PB/204PB VERSUS 206PB/204PB ISOCHRON=1810 M.Y.	PRIMARY AGE OF ROCK IS PROBABLY 1810 M.Y.
14949	1	1284		1448		1700		1364		1710	23			"15.8, 15.35, 35.4"	zircon	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	787.49	189.08	188.58	0.022	83.63	9.02	7.329				"LIGHT PINK TO LIGHT BROWN, EUHEDRAL TO SLIGHTLY SUBHEDRAL IGNEOUS ZIRCONS (+100 MESH)"	"4-POINT CHORD ON CONCORDIA PLOT, LOWER INTERCEPT=64+/-130 M.Y. (8-POINT ZIRCON CHORD HAS UPPER INTERCEPT=1711+/-40 M.Y., LOWER INTERCEPT=130+/-120 M.Y.)"	PLUTON FORMED 1710 M.Y. AGO
14949	2	1229		1409		1698		670		1710	23			"15.8, 15.35, 35.4"	zircon	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	742.17	368.52	160.4	0.014	83.73	8.9	7.355				"LIGHT PINK TO LIGHT BROWN, EUHEDRAL TO SLIGHTLY SUBHEDRAL IGNEOUS ZIRCONS (-100+150 MESH)"	"4-POINT CHORD ON CONCORDIA PLOT, LOWER INTERCEPT=64+/-130 M.Y. (8-POINT ZIRCON CHORD HAS UPPER INTERCEPT=1711+/-40 M.Y., LOWER INTERCEPT=130+/-120 M.Y.)"	PLUTON FORMED 1710 M.Y. AGO
14949	3	1451		1557		1708		1312		1710	23			"15.8, 15.35, 35.4"	zircon	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	785.5	230.42	203.92	0.014	83.82	8.959	7.206				"LIGHT PINK TO LIGHT BROWN, EUHEDRAL TO SLIGHTLY SUBHEDRAL IGNEOUS ZIRCONS (-200+270 MESH)"	"4-POINT CHORD ON CONCORDIA PLOT, LOWER INTERCEPT=64+/-130 M.Y. (8-POINT ZIRCON CHORD HAS UPPER INTERCEPT=1711+/-40 M.Y., LOWER INTERCEPT=130+/-120 M.Y.)"	PLUTON FORMED 1710 M.Y. AGO
14949	4	1411		1530		1700		1528		1710	23			"15.8, 15.35, 35.4"	zircon	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	914.84	242.15	230.44	0.006	83.66	8.795	7.536				"LIGHT PINK TO LIGHT BROWN, EUHEDRAL TO SLIGHTLY SUBHEDRAL IGNEOUS ZIRCONS (-325 MESH)"	"4-POINT CHORD ON CONCORDIA PLOT, LOWER INTERCEPT=64+/-130 M.Y. (8-POINT ZIRCON CHORD HAS UPPER INTERCEPT=1711+/-40 M.Y., LOWER INTERCEPT=130+/-120 M.Y.)"	PLUTON FORMED 1710 M.Y. AGO
14949	5	1200		1337		1566		618						"15.8, 15.35, 35.4"	ferrohastingsite	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	17.14	1068.21	59.33	0.663	15.38	10.67	73.28				FERROHASTINGSITE		ZIRCON U-PB AGE IS 1710 M.Y. OLD
14950	1	139		149		313								"18.35, 15.64, 40.91"	sphene	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	29.22		4.19	2.066	64.24	33.69					FIRST FRACTION (200-270 MESH)	INITIAL LEAD COMPOSITION TAKEN FROM COEXISTING POTASSIUM FELDSPAR	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS; LEAD IN SPHENE WAS RE-EQUILIBRATED ABOUT 140 M.Y. AGO ACCORDING TO PB-PB PLOTS
14950	2	139		152		376								"18.35, 15.64, 40.91"	sphene	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	30.43		4.4	2.066	64.19	33.74					SECOND FRACTION (200-270 MESH)	INITIAL LEAD COMPOSITION TAKEN FROM COEXISTING POTASSIUM FELDSPAR	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS; LEAD IN SPHENE WAS RE-EQUILIBRATED ABOUT 140 M.Y. AGO ACCORDING TO PB-PB PLOTS
14950	3	141		124		-194		85						"18.35, 15.64, 40.91"	apatite	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	35.58	58.69	8.06	1.168	29.7	18.62	50.51				(-200 MESH FRACTION)	INITIAL LEAD COMPOSITION TAKEN FROM COEXISTING POTASSIUM FELDSPAR	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS; LEAD IN APATITE WAS RE-EQUILIBRATED ABOUT 140 M.Y. AG0 ACCORDING TO PB-PB PLOTS
14950	4					0									K feldspar	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.25	1.29	37.31	1.318	24.18	20.61	53.9					NO AGES CALCULATED	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS
14950	5					0									biotite	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.97	15.94	12.38	1.998	31.46		66.54					NO AGES CALCULATED	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS
14951	1					0									whole rock	PCP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.21	13.74	17.12	1.326	24.59	20.46	53.63					NO AGES CALCULATED	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS
14952	1	823		1085		1662		1592		1711	40			"15.8, 15.35, 35.4"	zircon	PCP-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	992.21	219.82	158.39	0.134	75.49	9.545	14.83				"LIGHT PINK TO LIGHT BROWN, EUHEDRAL TO SLIGHTLY SUBHEDRAL IGNEOUS ZIRCONS (-100+150 MESH)"	8-POINT CHORD ON CONCORDIA DIAGRAM GIVES LOWER INTERCEPT=130+/-120 M.Y.	PLUTON IS 1710 M.Y. OLD
14952	2	1392		1493		1642		2915		1711	40			"15.8, 15.35, 35.4"	zircon	PCP-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	633.99	150.33	187.11	0.17	72.98	9.715	17.13				"LIGHT PINK TO LIGHT BROWN, EUHEDRAL TO SLIGHTLY SUBHEDRAL IGNEOUS ZIRCONS (-200+270 MESH)"	8-POINT CHORD ON CONCORDIA DIAGRAM GIVES LOWER INTERCEPT=130+/-120 M.Y.	PLUTON IS 1710 M.Y. OLD
14952	3	138		163		542		91						"19.47, 15.78, 40.77"	sphene	PCP-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	51.67	157.42	8.81	1.057	31.38	17.32	50.25				(-200 MESH FRACTION)	INITIAL LEAD COMPOSITION TAKEN FROM COEXISTING POTASSIUM FELDSPAR	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS; LEAD IN SPHENE WAS RE-EQUILIBRATED ABOUT 140 M.Y. AGO ACCORDING TO PB-PB PLOTS
14952	4					0									K feldspar	PCP-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.28	1.57	31.33	1.298	25.28	20.49	52.93					NO AGES CALCULATED	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS
14955	1	1137		1329		1657		1287		1800				"15.8, 15.35, 35.4"	zircon	PCP-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	584.44	105.76	116.86	0.05	83.71	9.207	7.036				"LIGHT PINK TO LIGHT BROWN, EUHEDRAL TO SLIGHTLY SUBHEDRAL IGNEOUS ZIRCONS (-100+150 MESH)"	"2-POINT CHORD ON CONCORDIA DIAGRAM; 8-POINT CHORD (ZIRCONS) HAS UPPER INTERCEPT=1711+/-40 M.Y., LOWER INTERCEPT=130+/-120 M.Y."	PLUTON IS 1710 M.Y. OLD
14955	2	1055		1252		1613		1522		1800				"15.8, 15.35, 35.4"	zircon	PCP-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	721.74	88.25	134.57	0.079	83.21	9.361	7.348				"LIGHT PINK TO LIGHT BROWN, EUHEDRAL TO SLIGHTLY SUBHEDRAL IGNEOUS ZIRCONS (-200+270 MESH)"	"2-POINT CHORD ON CONCORDIA DIAGRAM; 8-POINT CHORD (ZIRCONS) HAS UPPER INTERCEPT=1711+/-40 M.Y., LOWER INTERCEPT=130+/-120 M.Y."	PLUTON IS 1710 M.Y. OLD
14955	3					0									K feldspar	PCP-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.08	1.11	57.24	1.358	23.59	21.11	53.95					NO AGES CALCULATED	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS
14958	1					0									K feldspar	PCP-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.12	1.13	19.1	1.172	25.9	18.84	54.08					NO AGES CALCULATED	PLUTON IS 1710 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS
14969	1	97		97		107		95						"18.55, 15.62, 38.45"	zircon	MZP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	452.54	330	8.73	0.181	70.87	6.073	22.88				(-250+325 MESH FRACTION)		PLUTON FORMED 97 M.Y. AGO
14969	2	97		97		102		97						"18.55, 15.62, 38.45"	zircon	MZP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	531.68	464.75	10.99	0.216	66.95	6.389	26.44				(-400 MESH FRACTION)		PLUTON FORMED 97 M.Y. AGO
14972	1	183		186		227		184		177	10			"18.40, 15.61, 38.26"	zircon	MZP-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	316.4	166.56	9.87	0.033	80.43	4.559	14.98				(-50+100 MESH FRACTION)		PLUTON FORMED 177 M.Y. AGO
14972	2	177		180		220		180		177	10			"18.40, 15.61, 38.26"	zircon	MZP-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	329.13	179	9.94	0.021	80.36	4.375	15.24				(-150+200 MESH FRACTION)		PLUTON FORMED 177 M.Y. AGO
14972	3	177		182		243		177		177	10			"18.40, 15.61, 38.26"	zircon	MZP-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	358.97	194.22	10.74	0.017	80.76	4.378	14.85				(-250+325 MESH FRACTION)		PLUTON FORMED 177 M.Y. AGO
14972	4	173		180		280		148		177	10			"18.40, 15.61, 38.26"	zircon	MZP-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	384.89	267.98	11.98	0.078	76.99	5.149	17.79				(-400 MESH FRACTION)		PLUTON FORMED 177 M.Y. AGO
14972	5	86		86		87		88						"18.21, 15.57, 39.09"	sphene	MZP-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	31.29	447.27	3.8	0.619	20.49	10.08	68.81					INITIAL LEAD ISOTOPIC COMPOSITION OBTAINED FROM COEXISTING POTASSIUM-FELDSPAR	PLUTON IS 177 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS; LEAD IN SPHENE WAS RE-EQUILIBRATED ABOUT 86 M.Y. AGO
14973	1					0									K feldspar	MZP-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.71	0.91	49.39	1.354	24.65	21.08	52.92					NO AGE CALCULATED	PLUTON IS 177 M.Y. OLD BY ZIRCON U-PB ISOTOPIC SYSTEMATICS
15035	1					2770				2670	20				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	788		182					623			"CLEAR, PALE BROWN, SUBHEDRAL-EUHEDRAL ZIRCON--PROBABLY IGNEOUS ZIRCONS (+100 MESH FRACTION)"	5-POINT CHORD ON CONCORDIA PLOT	ROCK IS PROBABLY 2730-2790 M.Y. OLD
15035	2					2750				2670	20				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	515		145					623			"CLEAR, PALE BROWN, SUBHEDRAL-EUHEDRAL ZIRCON--PROBABLY IGNEOUS ZIRCONS (100-200 MESH FRACTION)"	5-POINT CHORD ON CONCORDIA PLOT	ROCK IS PROBABLY 2730-2790 M.Y. OLD
15036	1					2794				2670	20				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	767		188					623			"CLEAR, PALE BROWN, SUBHEDRAL-EUHEDRAL ZIRCON--PROBABLY IGNEOUS ZIRCONS (+120 MESH FRACTION)"	5-POINT CHORD ON CONCORDIA PLOT	ROCK IS PROBABLY 2730-2790 M.Y OLD
15036	2					2733				2670	20				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	583		200					623			"CLEAR, PALE BROWN, SUBHEDRAL-EUHEDRAL ZIRCON--PROBABLY IGNEOUS ZIRCONS (120-230 MESH FRACTION)"	5-POINT CHORD ON CONCORDIA PLOT	ROCK IS PROBABLY 2730-2790 M.Y. OLD
15036	3					2775				2670	20				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	847		220					623			"CLEAR, PALE BROWN, SUBHEDRAL-EUHEDRAL ZIRCON--PROBABLY IGNEOUS ZIRCONS (230-325 MESH FRACTION)"	5-POINT CHORD ON CONCORDIA PLOT	ROCK IS PROBABLY 2730-2790 M.Y. OLD
15089	1	1935		2535		3057				3100				"18.51, 15.72, 38.9"	zircon	BT-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	421		187	0.033	66.96	15.82	17.18				BULK ZIRCON--CLEAR AND ACICULAR TO COLORED AND OVERGROWN	PLOTS ON 3100 M.Y. CHORD ON CONCORDIA PLOT	A MIXED AGE--3.9 B.Y. ZIRCON MIXED WITH 2.8 B.Y. ZIRCON
15090	1	3047		3150		3220				3900				"18.51, 15.72, 38.9"	zircon	BT-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	648		497	0.032	66.86	17.44	15.66				LEACHED BULK ZIRCON--REMOVED CLEAR ACICULAR ZIRCONS AND OVERGROWTHS ON COLORED ZIRCONS	PLOTS ON 2800-3900 M.Y. CHORD ON CONCORDIA PLOT	THE ZIRCON CORES MAY BE 3.9 B.Y. OLD
15091	1	2279		2732		3080				3100				"18.51, 15.72, 38.9"	zircon	BT-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	724.7		348.8	0.122	71.15	18.07	10.65				BULK ZIRCONS--CLEAR ACICULAR ZIRCONS AND COLORED OVERGROWN ZIRCONS	PLOTS ON 3100 M.Y. CHORD ON CONCORDIA PLOT	A MIXED AGE--3.9 B.Y. ZIRCON MIXED WITH 2.8 B.Y. ZIRCON
15092	1	2307		2784		3149								"18.51, 15.72, 38.9"	zircon	BT-2A	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.036	69.97	17.49	12.5				LEAST MAGNETIC BULK ZIRCONS--CLEAR ACICULAR ZIRCONS AND COLORED OVERGROWN ZIRCONS	PLOTS NEAR A 3100 M.Y. CHORD ON CONCORDIA PLOT	A MIXED AGE--3.9 B.Y. ZIRCON MIXED WITH 2.8 B.Y. ZIRCON
15092	2	1425		2185		2968				3100				"18.51, 15.72, 38.9"	zircon	BT-2B	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.177	70.82	17.51	11.5				MOST MAGNETIC ZIRCONS--CLEAR ACICULAR ZIRCONS AND COLORED OVERGROWN ZIRCONS	PLOTS ON 3100 M.Y. CHORD ON CONCORDIA PLOT	A MIXED AGE--3.9 B.Y. ZIRCON MIXED WITH 2.8 B.Y. ZIRCON
15092	3	2325		2832		3212								"18.51, 15.72, 38.9"	zircon	BT-2C	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.067	72.57	19.2	8.164				"ROUNDED, DARK, OVERGROWN ZIRCONS"		A MIXED AGE--3.9 B.Y. ZIRCON CORES AND 2.8 M.Y. OVERGROWTHS
15092	4	3108		3220		3285				3900				"18.51, 15.72, 38.9"	zircon	BT-2C-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.056	66.95	18.4	14.59				"ROUNDED, DARK, OVERGROWN ZIRCONS WERE LEACHED WITH HF FOR 2 HOURS"	PLOTS ON 2800-3900 M.Y. CHORD ON CONCORDIA PLOT	ZIRCON CORES MAY BE 3.9 B.Y. OLD
15092	5	3116		3225		3295				3900				"18.51, 15.72, 38.9"	zircon	BT-2C-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	830		653	0.02	67.26	18.44	14.29				"ROUNDED, DARK, OVERGROWN ZIRCONS WERE LEACHED WITH HF FOR 8 HOURS"	PLOTS ON 2800-3900 M.Y. CHORD ON CONCORDIA PLOT	ZIRCON CORES MAY BE 3.9 B.Y. OLD
15093	1	2432		2655		2830				2830				"18.51, 15.72, 38.9"	zircon	BT-2D	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.032	70.52	14.52	14.92			age of metamorphic crystallization	CLEAR ACICULAR ZIRCONS	PLOTS ON A 2830 M.Y. CHORD ON CONCORDIA PLOT	"CLEAR, ACICULAR ZIRCONS FORMED AT THIS TIME"
15093	2	3003		3105		3166				3900				"18.51, 15.72, 38.9"	zircon	BT-2E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1207		855	0.016	71.35	17.89	10.74				"LEACHED BULK ZIRCONS--CLEAR, ACICULAR ZIRCONS AND DARK, OVERGROWN ZIRCONS"	PLOTS ON 2800-3900 M.Y. CHORD ON CONCORDIA PLOT	THE ZIRCON CORES MAY BE 3.9 B.Y. OLD
15094	1	580	6	588	8	622	7	596	7	630	15			"17.60, 15.55, 37.80"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	186.4	72.6	19.4	0.1049	79.63	6.339	13.92	632			200-250 MESH FRACTION; ZIRCONS HAVE INTERVAL TURBIDITY	7-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF THE DEDHAM GRANITE IS 630 M.Y.
15094	2	581	6	590	7	627	5	592	7	630	15			"17.60, 15.55, 37.80"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	301.9	121.8	30.6	0.0638	81.16	5.846	12.93	632			325-400 MESH FRACTION; ZIRCONS HAVE INTERNAL TURBIDITY	7-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF THE DEDHAM GRANITE IS 630 M.Y.
15094	3	578	6	586	6	616	3	600	6	630	15			"17.60, 15.55, 37.80"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	350	136.7	34.07	0.0182	83.27	5.289	11.43	632			-400 MESH FRACTION; ZIRCONS HAVE INTERNAL TURBIDITY	7-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF THE DEDHAM GRANITE IS 630 M.Y.
15095	1	508	5	522	7	585	6	386	4	630	15			"17.60, 15.55, 37.80"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1644	1020	151.1	0.0982	78.53	6.095	15.28	632			100-150 MESH FRACTION	7-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF THE DEDHAM GRANITE IS 630 M.Y.
15095	2	523	5	536	6	590	5	414	4	630	15			"17.60, 15.55, 37.80"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2446	1537	228.6	0.0713	79.12	5.752	15.05	632			200-270 MESH FRACTION	7-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF THE DEDHAM GRANITE IS 630 M.Y.
15096	1	393	4	420	9	571	12	240	4	630	15			"17.60, 15.55, 37.80"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1976	1458	157.6	0.2541	72.37	7.965	19.41	632			100-150 MESH FRACTION; ZIRCON ARE ESPECIALLY TURBID	7-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF THE DEDHAM GRANITE IS 630 M.Y.
15096	2	423	4	449	8	582	9	301	4	630	15			"17.60, 15.55, 37.80"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1739	1035	138.7	0.1742	76.23	7.056	16.54	632			200-270 MESH FRACTION; ZIRCON ARE ESPECIALLY TURBID	7-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF THE DEDHAM GRANITE IS 630 M.Y.
15103	1	526	5	544	6	619	5							"17.60, 15.55, 37.80"	zircon	10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	789.8		69.48	0.0443	83.89	5.71	10.36					PB-U RATIOS PLOT ON A CHORD WITH A 630 M.Y. INTERCEPT ON CONCORDIA CURVE	AGE OF THE MILFORD GRANITE IS 630 M.Y.
15104	1	556	6	570	6	624	5							"17.60, 15.55, 37.80"	zircon	11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	813.6		75.11	0.0428	84.72	5.751	9.486					PB-U RATIOS PLOT ON A CHORD WITH A 630 M.Y. INTERCEPT ON CONCORDIA CURVE	AGE OF THE MILFORD GRANITE IS 630 M.Y.
15111	1	359	4	366	7	409	8	370	5					"17.60, 15.55, 37.80"	zircon	18	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1312	348.9	87.41	0.2152	77.7	7.406	14.68				100-150 MESH FRACTION; ZIRCONS ARE INTERNALLY TURBID AND HAVE A RELATIVELY HIGH URANIUM CONTENT		ISOTOPIC SYSTEM DISTURBED; NO AGE OF FORMATION DETERMINED FOR THE GNEISS
15111	2	339	4	349	6	421	7	348	4					"17.60, 15.55, 37.80"	zircon	18	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1476	402.9	90.44	0.1839	78.95	7.04	13.83				200-270 MESH FRACTION; ZIRCONS ARE INTERNALLY TURBID AND HAVE A RELATIVELY HIGH URANIUM CONTENT		ISOTOPIC SYSTEM DISTURBED; NO AGE OF FORMATION DETERMINED FOR THE GNEISS
15112	1	396	4	409	5	484	4	368	4					"17.60, 15.55, 37.80"	zircon	19	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1709	601.3	112.5	0.0523	83.73	5.518	10.7				100-150 MESH FRACTION; ZIRCONS ARE INTERNALLY TURBID AND HAVE A RELATIVELY HIGH URANIUM CONTENT		THE 484 M.Y. AGE IS SPURIOUS; THE ISOTOPIC SYSTEMS ARE DISTURBED; NO AGE OF FORMATION WAS DETERMINED FOR THE GRANITE GNEISS
15112	2	392	4	405	5	479	4	368	4					"17.60, 15.55, 37.80"	zircon	19	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1667	589.2	108.9	0.0552	83.49	5.536	10.92				200-270 MESH FRACTION; ZIRCONS ARE INTERNALLY TURBID AND HAVE A RELATIVELY HIGH URANIUM CONTENT		THE 479 M.Y. AGE IS SPURIOUS; THE ISOTOPIC SYSTEMS ARE DISTURBED; NO AGE OF FORMATION FOR THE GRANITE GNEISS WAS DETERMINED
15113	1	481	5	508	8	631	10	434	5					"17.60, 15.55, 37.80"	zircon	20	"1.55125E-04, 9.8485E-04, 4.9475E-05"	858.7	502.3	80.82	0.1783	74.01	7.08	18.74				100-150 MESH FRACTION		THE 631 M.Y. AGE IS PROBABLY A MINIMUM AGE; ISOTOPIC SYSTEMS HAVE BEEN DISTURBED
15113	2	470	5	490	6	584	7	419	5					"17.60, 15.55, 37.80"	zircon	20	"1.55125E-04, 9.8485E-04, 4.9475E-05"	877.8	532	76.4	0.1081	76.73	6.131	17.04				200-270 MESH FRACTION; ZIRCONS ARE INTERNALLY TURBID AND HAVE A RELATIVELY HIGH URANIUM CONTENT		THE 631 M.Y. AGE IS PROBABLY A MINIMUM AGE; ISOTOPIC SYSTEMS HAVE BEEN DISTURBED
15114	1	431	4	431	4	427	3	427	4	424	5			"18.20, 15.60, 38.10"	zircon	21	"1.55125E-04, 9.8485E-04, 4.9475E-05"	358.3	411.4	30.74	0.0173	69.81	4.117	26.06				100-150 MESH FRACTION	4-POINT CHORD ON U-PB CONCORDIA DIAGRAM	DIORITE FORMED 430 M.Y. AGO
15114	2	430	4	430	4	429	3	430	4	424	5			"18.20, 15.60, 38.10"	zircon	21	"1.55125E-04, 9.8485E-04, 4.9475E-05"	411.6	316.5	32.23	0.0151	76.19	4.443	19.35				200-270 MESH FRACTION	4-POINT CHORD ON U-PB CONCORDIA DIAGRAM	DIORITE FORMED 430 M.Y. AGO
15115	1	385	4	391	5	436	4	301	4	424	5			"18.20, 15.60, 38.10"	zircon	22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1602	775.5	103.9	0.0519	82.68	5.333	11.94				100-150 MESH FRACTION	4-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	DIORITE FORMED 430 M.Y. AGO
15115	2	383	4	390	5	429	5	242	3	424	5			"18.20, 15.60, 38.10"	zircon	22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1823	1035	122.4	0.1106	80.53	6.076	13.28				270-325 MESH FRACTION	4-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	DIORITE FORMED 430 M.Y. AGO
15136	1	417	4	419	5	427	4	422	4	424	5			"18.20, 15.60, 38.10"	zircon	39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	162.4	99.9	12.54	0.0886	76.09	5.506	18.32				"100-150 MESH FRACTION; CLEAR, EUHEDRAL ZIRCONS"	2-POINT CHORD ON U-PB CONCORDIA DIAGRAM	GABBRO FORMED 424 M.Y. AGO
15136	2	418	4	419	4	421	3	423	4	424	5			"18.20, 15.60, 38.10"	zircon	39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	188.7	117.8	13.89	0.0189	78.7	4.621	16.66				"325-400 MESH FRACTION; CLEAR, EUHEDRAL ZIRCONS"	2-POINT CHORD ON U-PB CONCORDIA DIAGRAM	GABBRO FORMED 424 M.Y. AGO
15142	1	386	4	388	7	399	8	363	5	390	15			"18.20, 15.60, 38.10"	zircon	45	"1.55125E-04, 9.8485E-04, 4.9475E-05"	138.3	154.3	12.31	0.2297	63.96	6.852	28.95				150-200 MESH FRACTION	3-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	A FORMATION AGE OF 390 M.Y. FOR THE GRANITE
15142	2	355	4	361	4	395	4	325	4	390	15			"18.20, 15.60, 38.10"	zircon	45	"1.55125E-04, 9.8485E-04, 4.9475E-05"	519.8	174.1	30.13	0.0408	84.85	5.227	9.882				200-270 MESH FRACTION	3-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	A FORMATION AGE OF 390 M.Y. FOR THE GRANITE
15142	3	348	4	351	4	371	3	321	3	390	15			"18.20, 15.60, 38.10"	zircon	45	"1.55125E-04, 9.8485E-04, 4.9475E-05"	583.8	183.8	32.37	0.0161	86.4	4.9	8.682				270-325 MESH FRACTION	3-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	A FORMATION AGE OF 390 M.Y. FOR THE GRANITE
15143	1	415	4	423	5	465	5	402	5	450	15			"18.20, 15.60, 38.10"	zircon	46	"1.55125E-04, 9.8485E-04, 4.9475E-05"	664.9	508.9	53.26	0.1017	73.33	5.613	20.95	633			"100-150 MESH FRACTION, GENERALLY EUHEDRAL ZIRCONS"	5-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF FORMATION IS 450 M.Y. FOR THE NEWBURYPORT COMPLEX
15143	2	423	4	430	5	467	4	416	4	450	15			"18.20, 15.60, 38.10"	zircon	46	"1.55125E-04, 9.8485E-04, 4.9475E-05"	570.3	369.4	43.18	0.038	77.76	4.938	17.26	633			150-200 MESH FRACTION; GENERALLY EUHEDRAL ZIRCONS	5-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF FORMATION IS 450 M.Y. FOR THE NEWBURYPORT COMPLEX
15143	3	348	4	351	4	371	3	321	3	450	15			"18.20, 15.60, 38.10"	zircon	46	"1.55125E-04, 9.8485E-04, 4.9475E-05"	583.8	183.8	32.37	0.0161	86.4	4.9	8.682	633			250-325 MESH FRACTION; GENERALLY EUHEDRAL ZIRCONS	5-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF FORMATION IS 450 M.Y. FOR THE NEWBURYPORT COMPLEX
15144	1	394	4	400	4	436	2	388	4	450	15			"18.20, 15.60, 38.10"	zircon	47	"1.55125E-04, 9.8485E-04, 4.9475E-05"	908.3	265.9	56.86	0.0067	86.77	4.921	8.3	633			150-200 MESH FRACTION; GENERALLY EUHEDRAL ZIRCONS	5-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF FORMATION IS 450 M.Y. FOR THE NEWBURYPORT COMPLEX
15144	2	401	4	407	4	438	2	382	4	450	15			"18.20, 15.60, 38.10"	zircon	47	"1.55125E-04, 9.8485E-04, 4.9475E-05"	965.5	315.6	62.19	0.0117	85.99	4.954	9.043	633			250-325 MESH FRACTION; GENERALLY EUHEDRAL ZIRCONS	5-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	AGE OF FORMATION IS 450 M.Y. FOR THE NEWBURYPORT COMPLEX
15145	1	429	4	430	5	436	5	414	5	433	5			"18.20, 15.60, 38.10"	zircon	48	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1177	319.7	87.53	0.127	81.92	6.407	11.55	634			100-150 MESH FRACTION	6-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	PRIMARY AGE OF AYER GRANITE IS 433 M.Y.
15145	2	415	4	419	5	437	4	408	4	433	5			"18.20, 15.60, 38.10"	zircon	48	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1679	491.5	114.5	0.0502	84.81	5.449	9.694	634			250-325 MESH FRACTION	6-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	PRIMARY AGE OF AYER GRANITE IS 433 M.Y.
15146	1	422	4	424	8	432	8	404	6	433	5			"18.20, 15.60, 38.10"	zircon	49	"1.55125E-04, 9.8485E-04, 4.9475E-05"	278.2	71.8	21.96	0.2238	77.8	7.583	14.39	634			100-150 MESH FRACTION	6-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	PRIMARY AGE OF AYER GRANITE IS 433 M.Y.
15146	2	403	4	408	5	438	4	384	4	433	5			"18.20, 15.60, 38.10"	zircon	49	"1.55125E-04, 9.8485E-04, 4.9475E-05"	775.8	231.7	51.47	0.0571	84.56	5.537	9.845	634			250-325 MESH FRACTION	6-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	PRIMARY AGE OF AYER GRANITE IS 433 M.Y.
15147	1	388	4	396	5	439	6	402	5	433	5			"18.20, 15.60, 38.10"	zircon	50	"1.55125E-04, 9.8485E-04, 4.9475E-05"	480.1	108.6	32.53	0.1485	81.53	6.704	11.62	634			100-150 MESH FRACTION	6-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	PRIMARY AGE OF AYER GRANITE IS 433 M.Y.
15147	2	398	4	403	5	427	4	406	4	433	5			"18.20, 15.60, 38.10"	zircon	50	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1238	319.7	80.64	0.0553	85.17	5.523	9.248	634			250-325 MESH FRACTION	6-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	PRIMARY AGE OF AYER GRANITE IS 433 M.Y.
15148	1	356	4	360	4	388	3	371	4					"18.20, 15.60, 38.10"	zircon	51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1309	268.8	74.1	0.0432	86.99	5.636	7.6				100-150 MESH FRACTION		"THE CHELMSFORD GRANITE IS AT LEAST 390 M.Y. OLD, BUT THIS MAY NOT BE A PRIMARY AGE AS OTHER U-PB AGES ARE OLDER THAN THIS AGE"
15148	2	364	4	367	4	388	3	324	3					"18.20, 15.60, 38.10"	zircon	51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1565	352.4	89.76	0.0338	87.76	5.268	6.934				200-270 MESH FRACTION		"THE CHELMSFORD GRANITE IS AT LEAST 390 M.Y. OLD, BUT THIS MAY NOT BE A PRIMARY AGE AS OTHER U-PB AGES ARE OLDER THAN THIS AGE"
15148	3	357	4	362	4	391	4	243	3					"18.20, 15.60, 38.10"	zircon	51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2029	537.4	116.6	0.0713	86.5	5.755	7.674				325-400 MESH FRACTION		"THE CHELMSFORD GRANITE IS AT LEAST 390 M.Y. OLD, BUT THIS MAY NOT BE A PRIMARY AGE AS OTHER U-PB AGES ARE OLDER THAN THIS AGE"
15148	4	350	4	356	4	390	4	187	2					"18.20, 15.60, 38.10"	zircon	51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2318	759.5	131.7	0.0829	86.09	5.9	7.928				-400 MESH FRACTION		"THE CHELMSFORD GRANITE IS AT LEAST 390 M.Y. OLD, BUT THIS MAY NOT BE A PRIMARY AGE AS OTHER U-PB AGES ARE OLDER THAN THIS AGE"
15149	1	360	4	368	4	419	4	238	3					"18.20, 15.60, 38.10"	zircon	52	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1848	456	106.7	0.0733	86.78	5.857	7.285				150-200 MESH FRACTION		THE ISOTOPIC SYSTEMS HAVE BEEN DISTURBED; A PRIMARY AGE FOR THE GRANITE WAS NOT DETERMINED
15149	2	365	4	378	4	462	4	207	3					"18.20, 15.60, 38.10"	zircon	52	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1964	524.9	114	0.0649	87.39	5.862	6.687				200-325 MESH FRACTION		THE ISOTOPIC SYSTEMS HAVE BEEN DISTURBED; A PRIMARY AGE FOR THE GRANITE WAS NOT DETERMINED
15154	1	365	4	370	4	404	3	228	3	395	10			"18.20, 15.60, 38.10"	zircon	57	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2023	962.6	118.7	0.0246	85.8	5.061	9.117	635			100-150 MESH FRACTION	5-POINT CHORD ON THE U-PB CONCORDIA DIAGRAM	THE CANTERBURY GNEISS IS 395 M.Y. OLD
15154	2	268	4	372	4	400	3	136	2	395	10			"18.20, 15.60, 38.10"	zircon	57	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2097	1648	123.1	0.018	86.27	4.981	8.729	635			150-200 MESH FRACTION	5-POINT CHORD ON THE U-PB CONCORDIA DIAGRAM	THE CANTERBURY GNEISS IS 395 M.Y. OLD
15154	3	277	3	291	3	408	3	161	2	395	10			"18.20, 15.60, 38.10"	zircon	51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2258	1238	101.2	0.0325	84.88	5.133	9.951	635			200-325 MESH FRACTION	5-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	THE CANTERBURY GNEISS IS 395 M.Y. OLD
15160	1	304	3	314	3	390	4	143	2	395	10			"18.20, 15.60, 38.10"	zircon	63	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1069	674.9	52.71	0.0414	85.06	5.237	9.663	635			100-150 MESH FRACTION	5-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	EASTFORD GNEISS (OR CANTERBURY GNEISS) IS 395 M.Y. OLD
15160	2	313	3	322	3	390	3	157	2	395	10			"18.20, 15.60, 38.10"	zircon	63	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1536	1154	78.48	0.0219	84.09	4.899	10.99	635			200-325 MESH FRACTION	5-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	EASTFORD GNEISS (OR CANTERBURY GNEISS) IS 395 M.Y. OLD
15167	1	453	5	470	5	556	5							"17.60, 15.55, 37.80"	zircon	69	"1.55125E-04, 9.8485E-04, 4.9475E-05"	768.3		58.07	0.0524	83.69	5.674	10.59						"GNEISS HAS A MINIMUM AGE OF 556 M.Y., BUT PRIMARY AGE IS PROBABLY CLOSE TO 600 M.Y."
15168	1	393	4	399	4	438	3	381	4	440	10			"17.60, 15.55, 37.80"	zircon	70	"1.55125E-04, 9.8485E-04, 4.9475E-05"	383.4	137.4	24.32	0.0079	85.29	4.861	9.843				100-150 MESH FRACTION	2-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	APPROXIMATE AGE OF MONSON GNEISS IS 440 M.Y.
15168	2	409	4	414	4	440	4	419	4	440	10			"17.60, 15.55, 37.80"	zircon	70	"1.55125E-04, 9.8485E-04, 4.9475E-05"	454.9	156	30.32	0.0167	84.81	4.967	10.2				270-325 MESH FRACTION	2-POINT CHORD ON A U-PB CONCORDIA DIAGRAM	APPROXIMATE AGE OF MONSON GNEISS IS 440 M.Y.
15477	1					0				1378	6			"18.67, 15.66, 38.39"	zircon	C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	350.21		57.1	0.203	73.46	9.048	17.29			age of intrusion		6-POINT CHORD ON CONCORDIA PLOT	
15477	2					0				1378	6			"18.67, 15.66, 38.39"	zircon	F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	244.04		40.6	0.169	74.96	8.744	16.12			age of intrusion		6-POINT CHORD ON CONCORDIA PLOT	
15477	3					0				1378	6			"18.67, 15.66, 38.39"	zircon	G	"1.55125E-04, 9.8485E-04, 4.9475E-05"	227.02		44.1	0.397	84.08	12.7	2.817			age of intrusion		6-POINT CHORD ON CONCORDIA PLOT	
15477	4					0				1378	6			"18.67, 15.66, 38.39"	zircon	H	"1.55125E-04, 9.8485E-04, 4.9475E-05"	197.6		31.52	0.169	75.38	8.775	15.67			age of intrusion		6-POINT CHORD ON CONCORDIA PLOT	
15478	1					0				1354	26			"18.67, 15.66, 38.39"	zircon	"A, B, C"	"1.55125E-04, 9.8485E-04, 4.9475E-05"	525.34		71.23	0.058	75	7.266	17.68			age of intrusion		3-POINT CHORD ON CONCORDIA PLOT	
15478	2					0				1354	26			"18.67, 15.66, 38.39"	zircon	D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	259.19		50.4	0.105	74.63	7.98	17.28			age of intrusion		3-POINT CHORD ON CONCORDIA PLOT	
15478	3					0				1354	26			"18.67, 15.66, 38.39"	zircon	E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	39.65		20.32	0.89	44.89	16.33	37.89			age of intrusion		3-POINT CHORD ON CONCORDIA PLOT	
15479	1					1385								"18.67, 15.66, 38.39"	zircon	A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	126.09		40.73	0.055	71.17	7.038	21.74						A REASONABLE AGE FOR THE PYROCLASTIC ROCK IS 1370+/-20 M.Y.
15479	2					1361								"18.67, 15.66, 38.39"	zircon	B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	63.31		17.22	0.064	70.12	7.007	22.8						A REASONABLE AGE FOR THE PYROCLASTIC ROCK IS 1370+/-20 M.Y.
15480	1					0				1372	4			"18.67, 15.66, 38.39"	zircon	A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	599.28		189.2	0.73	46.2	14.11	38.96			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15480	2					0				1372	4			"18.67, 15.66, 38.39"	zircon	B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	393.4		121.77	0.581	52.98	12.67	33.77			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15480	3					0				1372	4			"18.67, 15.66, 38.39"	zircon	C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	290.95		80.76	0.403	60.92	10.88	27.79			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15480	4					0				1372	4			"18.67, 15.66, 38.39"	zircon	D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	238.74		59.93	0.244	68.07	9.279	22.41			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15481	1					0				1397	7			"18.67, 15.66, 38.39"	zircon	A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	477.84		115.47	0.014	77.86	7.035	15.09			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15481	2					0				1397	7			"18.67, 15.66, 38.39"	zircon	B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	573.24		137.96	0.025	77.05	7.129	15.8			age of intrusion		4-POINT CHORD ON CONCORDIA DIAGRAM	
15481	3					0				1397	7			"18.67, 15.66, 38.39"	zircon	C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	468.41		114.27	0.005	78.22	6.965	14.81			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15481	4					0				1397	7			"18.67, 15.66, 38.39"	zircon	D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	473.13		118.25	0.024	77.7	7.191	15.08			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15482	1					0				1371	11			"18.67, 15.66, 38.39"	zircon	A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	306.77		63.98	0.142	67.54	7.854	24.46			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15482	2					0				1371	11			"18.67, 15.66, 38.39"	zircon	B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	329.07		80.06	0.12	68.93	7.675	23.27			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15482	3					0				1371	11			"18.67, 15.66, 38.39"	zircon	C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	337.52		76.14	0.089	70.17	7.39	22.35			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15482	4					0				1371	11			"18.67, 15.66, 38.39"	zircon	D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	272.68		73.95	0.212	65.86	8.712	25.21			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15483	1					0				1388				"18.67, 15.66, 38.39"	zircon	A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	238.43		58.89	0.214	64.26	8.62	26.91			age of volcanism		2-POINT CHORD ON CONCORDIA PLOT	
15483	2					0				1388				"18.67, 15.66, 38.39"	zircon	B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	368.77		101.34	0.583	51.59	12.64	35.19			age of volcanism		2-POINT CHORD ON CONCORDIA PLOT	
15484	1					1387				1345				"18.67, 15.66, 38.39"	zircon	A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	130.05		35.64	0.095	66.92	7.235	25.75					2-POINT CHORD ON CONCORDIA PLOT; LOWER INTERCEPT IS -741 M.Y. (SPURIOUS)	ISOTOPIC SYSTEMS HAVE BEEN DISTURBED. ESTIMATED AGE IS 1400+/-50 M.Y.
15484	2					1417				1345				"18.67, 15.66, 38.39"	zircon	B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	159.42		41.34	0.072	66.63	7.811	25.49					2-POINT CHORD ON CONCORDIA PLOT; LOWER INTERCEPT IS -741 M.Y. (SPURIOUS)	ISOTOPIC SYSTEMS HAVE BEEN DISTURBED. ESTIMATED AGE IS 1400+/-50 M.Y.
15485	1					0				1362	1			"18.67, 15.66, 38.39"	zircon	A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	183.8		66.75	0.441	57.26	11.17	31.13					"3-POINT CHORD ON CONCORDIA PLOT. IF LOWER INTERCEPT=O M.Y., THEN UPPER INTERCEPT=1370+/-2 M.Y."	PYROCLASTIC ROCK IS AROUND 1370 M.Y. OLD
15485	2					0				1362	1			"18.67, 15.66, 38.39"	zircon	B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	219.02		53.71	0.01	69.17	7.377	23.45					"3-POINT CHORD ON CONCORDIA PLOT. IF LOWER INTERCEPT=O M.Y., THEN UPPER INTERCEPT=1370+/-2 M.Y."	PYROCLASTIC ROCK IS AROUND 1370 M.Y. OLD
15485	3					0				1362	1			"18.67, 15.66, 38.39"	zircon	C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	221.35		61.87	0.383	58.41	10.47	30.73					"3-POINT CHORD ON CONCORDIA PLOT. IF LOWER INTERCEPT=O M.Y., THEN UPPER INTERCEPT=1370+/-2 M.Y."	PYROCLASTIC ROCK IS AROUND 1370 M.Y. OLD
15486	1					0				1352	2			"18.67, 15.66, 38.39"	zircon	A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	155.66		32.31	0.193	68.21	8.768	22.83					"4-POINT CHORD ON CONCORDIA PLOT; LOWER INTERCEPT=-199 M.Y. IF LOWER INTERCEPT=12 M.Y., THEN UPPER INTERCEPT=1387+/-12 M.Y."	DISTURBED ISOTOPIC SYSTEM
15486	2					0				1352	2			"18.67, 15.66, 38.39"	zircon	"B, C"	"1.55125E-04, 9.8485E-04, 4.9475E-05"	128.86		29.9	0.111	70.51	7.755	21.63					"4-POINT CHORD ON CONCORDIA PLOT; LOWER INTERCEPT=-199 M.Y. IF LOWER INTERCEPT=12 M.Y., THEN UPPER INTERCEPT=1387+/-12 M.Y."	DISTURBED ISOTOPIC SYSTEM
15486	3					0				1352	2			"18.67, 15.66, 38.39"	zircon	D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	121.59		29.29	0.112	70.13	7.722	22.03					"4-POINT CHORD ON CONCORDIA PLOT; LOWER INTERCEPT=-199 M.Y. IF LOWER INTERCEPT=12 M.Y., THEN THE UPPER INTERCEPT=1387+/-12 M.Y."	DISTURBED ISOTOPIC SYSTEM
15486	4					0				1352	2			"18.67, 15.66, 38.39"	zircon	E	"1.55125E-04, 9.8485E-04, 4.9475E-05"	107.22		28.29	0.199	67	8.66	24.14					"4-POINT CHORD ON CONCORDIA PLOT; LOWER INTERCEPT=-199 M.Y. IF LOWER INTERCEPT=12 M.Y., THEN UPPER INTERCEPT=1387+/-12 M.Y."	DISTURBED ISOTOPIC SYSTEMS
15487	1					0				1356	2			"18.67, 15.66, 38.39"	zircon	E (SD-2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	169.8		39.34	0.168	74.68	8.837	16.32			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15487	2					0				1356	2			"18.67, 15.66, 38.39"	zircon	F (SD-2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	201.58		50.07	0.247	72.12	9.727	17.9			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15487	3					0				1356	2			"18.67, 15.66, 38.39"	zircon	G (SD-2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	175.19		39.78	0.074	82.24	8.172	9.515			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15487	4					0				1356	2			"18.67, 15.66, 38.39"	zircon	H (SD-2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	158.72		37.23	0.053	80.21	7.706	12.03			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15488	1					0				1362	3			"18.67, 15.66, 38.39"	zircon	E (RC-SC-2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	307.64		60.33	0.116	77.36	8.334	14.19			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15488	2					0				1362	3			"18.67, 15.66, 38.39"	zircon	F (RC-SC-2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	284.86		55.03	0.049	80.3	7.651	12			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15488	3					0				1362	3			"18.67, 15.66, 38.39"	zircon	G (RC-SC-2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	248.14		51.25	0.035	80.91	7.514	11.54			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15488	4					0				1362	3			"18.67, 15.66, 38.39"	zircon	H (RC-SC-2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	245.05		52.2	0.022	81.96	7.435	10.58			age of intrusion		4-POINT CHORD ON CONCORDIA PLOT	
15489	1	350		356		396				409	16			"18.080, 15.595, 37.895"	zircon	M1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1247		77.1	0.088	78.8	5.586	15.52	639			"EUHEDRAL, CLEAR TO AMBER, MAGNETIC ZIRCONS (NO ZONING)"	6-POINT CHORD ON CONCORDIA DIAGRAM; LOWER INTERCEPT=97+/-63 M.Y.	BATHOLITH FORMED 409 M.Y. AGO
15489	2	352		358		395				409	16			"18.080, 15.595, 37.895"	zircon	M2+M3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1136		70.4	0.082	79.09	5.505	15.33	639			"EUHEDRAL, CLEAR TO AMBER, UNZONED, MAGNETIC ZIRCONS"	6-POINT CHORD ON CONCORDIA DIAGRAM; LOWER INTERCEPT=97+/-63 M.Y.	BATHOLITH FORMED 409 M.Y. AGO
15489	3	347		352		388				409	16			"18.080, 15.595, 37.895"	zircon	M3(AA)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1250		74.2	0.05	80.44	5.103	14.41	639			"EUHEDRAL, CLEAR TO AMBER, UNZONED, MAGNETIC ZIRCONS (AIR ABRADED)"	6-POINT CHORD ON CONCORDIA DIAGRAM; LOWER INTERCEPT=97+/-63 M.Y.	BATHOLITH FORMED 409 M.Y. AGO
15489	4	336		344		394				409	16			"18.080, 15.595, 37.895"	zircon	M3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1736		110	0.169	75.61	6.592	17.63	639			"EUHEDRAL, CLEAR TO AMBER, UNZONED, MAGNETIC ZIRCONS"	6-POINT CHORD ON CONCORDIA DIAGRAM; LOWER INTERCEPT=97+/-63 M.Y.	BATHOLITH FORMED 409 M.Y. AGO
15489	5	337		344		391				409	16			"18.080, 15.595, 37.895"	zircon	M3(+100)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1395		84.4	0.108	78.22	5.839	15.84	639			"EUHEDRAL, CLEAR TO AMBER, UNZONED, MAGNETIC ZIRCONS (+100 MESH)"	6-POINT CHORD ON CONCORDIA DIAGRAM; LOWER INTERCEPT=97+/-63 M.Y.	BATHOLITH FORMED 409 M.Y. AGO
15490	1	307		315		379				409	16			"18.080, 15.595, 37.895"	zircon	M5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1681		96.6	0.168	75.94	6.563	17.32	639			"EUHEDRAL, CLEAR TO AMBER, UNZONED, MAGNETIC ZIRCONS"	6-POINT CHORD ON CONCORDIA DIAGRAM; LOWER INTERCEPT=97+/-63 M.Y.	BATHOLITH FORMED 409 M.Y. AGO
15507	1	1737		1948		2179				2232	34				zircon	80AAF 057A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	122.2		44.4	0.034	73.76	10.49	15.72	640			"CLEAR, ROUND ZIRCONS (DETRITAL), +100 MESH FRACTION"	11-POINT CHORD ON U-PB CONCORDIA DIAGRAM; LOWER CHORD INTERCEPT IS 346+/-38 M.Y.	DETRITAL ZIRCONS CAME FROM EARLY PROTEROZOIC CRUSTAL ROCKS ABOUT 2250 M.Y. OLD
15507	2	515		721		1427									zircon	80AAF 057A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1282.6		116.8	0.115	80.37	8.83	10.69				"BLACK, OBLONG ZIRCONS (DETRITAL), +100 MESH FRACTION"	HIGH URANIUM CONTENT	U AND PB ISOTOPIC SYSTEMS HAVE BEEN DISTURBED SOMETIME DURING THE PAST 350 M.Y.
15507	3	1459		1754		2126				2232	34				zircon	80AAF 057A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	200.7		758.2	0.034	75.86	10.47	13.64	640			"CLEAR, ROUND ZIRCONS (DETRITAL), 100-150 MESH FRACTION"	11-POINT CHORD ON U-PB CONCORDIA DIAGRAM; LOWER CHORD INTERCEPT IS 346+/-38 M.Y.	DETRITAL ZIRCONS CAME FROM EARLY PROTEROZOIC CRUSTAL ROCKS ABOUT 2250 M.Y. OLD
15507	4	1010		1352		1944				2232	34				zircon	80AAF 057A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	346.2		64.8	0.028	78.33	9.71	11.93	640			"MOSTLY CLEAR, NONMAGNETIC ZIRCONS (DETRITAL), -325 MESH FRACTION"	11-POINT CHORD ON U-PB CONCORDIA DIAGRAM; LOWER CHORD INTERCEPT IS 346+/-38 M.Y.	DETRITAL ZIRCONS CAME FROM EARLY PROTEROZOIC CRUSTAL ROCKS ABOUT 2250 M.Y. OLD
15508	1	1127		1509		2095				2232	34				zircon	79AFR 2017	"1.55125E-04, 9.8485E-04, 4.9475E-05"	134.5		32.5	0.13	70.02	10.8	19.05	640			"CLEAR ROUND ZIRCONS (DETRITAL), +100 MESH FRACTION"	11-POINT CHORD ON U-PB CONCORDIA DIAGRAM; LOWER CHORD INTERCEPT IS 346+/-38 M.Y.	DETRITAL ZIRCONS CAME FROM EARLY PROTEROZOIC CRUSTAL ROCKS ABOUT 2250 M.Y. OLD
15508	2	316		520		1560									zircon	79AFR 2017	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1049.8		59.5	0.061	77.23	8.3	14.41				"BLACK OBLONG ZIRCONS (DETRITAL), +100 MESH FRACTION"	HIGH URANIUM CONTENT	U AND PB ISOTOPIC SYSTEMS HAVE BEEN DISTURBED SOMETIME DURING THE PAST 350 M.Y.
15509	1	1558		1797		2086				2232	34				zircon	80AFR 255	"1.55125E-04, 9.8485E-04, 4.9475E-05"	227		72.3	0.042	74.53	10.19	15.23	640			"PINK ROUND ZIRCONS (DETRITAL), +150 MESH FRACTION"	11-POINT CHORD ON U-PB CONCORDIA DIAGRAM; LOWER CHORD INTERCEPT IS 346+/-38 M.Y.	DETRITAL ZIRCONS CAME FROM EARLY PROTEROZOIC CRUSTAL ROCKS ABOUT 2250 M.Y. OLD
15510	1	1723		1949		2198				2232	34				zircon	80AFR 253	"1.55125E-04, 9.8485E-04, 4.9475E-05"	210.3		77.2	0.054	72.64	10.71	16.59	640			"RED ZIRCONS (DETRITAL), +150 MESH FRACTION"	11-POINT CHORD ON U-PB CONCORDIA DIAGRAM; LOWER CHORD INTERCEPT IS 346+/-38 M.Y.	DETRITAL ZIRCONS CAME FROM EARLY PROTEROZOIC CRUSTAL ROCKS ABOUT 2250 M.Y. OLD
15510	2	427		748		1888									zircon	80AFR 253	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1500.8		131.1	0.233	70.94	11.33	17.49				"GRAY ZIRCONS (DETRITAL), +150 MESH FRACTION"	HIGH URANIUM CONTENT	U AND PB ISOTOPIC SYSTEMS HAVE BEEN DISTURBED SOMETIME DURING THE PAST 350 M.Y.
15531	1	159	2	159	2	167	10							"18.6, 15.6"	zircon	PP322	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.042	65.11	3.832	31.02				"MAGNETIC-NONMAGNETIC ZIRCONS, THE LESS-THAN-0.080 MM FRACTION"	"238U=422 PPM, 206PB=9.1 PPM"	PRESTON PEAK OPHIOLITE IS AROUND 160 M.Y. OLD
15532	1	157	2	158	2	168	10							"18.6, 15.6"	zircon	A45Z	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.009	46.65	2.405	50.93				THE NONMAGNETIC LESS-THAN-0.165 MM FRACTION	"238U=717 PPM, 206PB=15.3 PPM"	JOSEPHINE OPHIOLITE IS AROUND 160 M.Y. OLD
15532	2	158	2	159	2	167	10							"18.6, 15.6"	zircon	A45Z	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.029	45.59	2.684	51.69				"NONMAGNETIC ZIRCONS, THE LESS-THAN-0.165 MM FRACTION"	"238U=685 PPM, 206PB=14.7 PPM"	JOSEPHINE OPHIOLITE IS AROUND 160 M.Y. OLD
15533	1	157	2	157	2	159	10							"18.6, 15.6"	zircon	A88Z	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.063	71.22	4.429	24.29				"NONMAGNETIC ZIRCONS, THE LESS-THAN-0.165 MM FRACTION"	"238U=787 PPM, 206PB=16.8 PPM"	JOSEPHINE OPHIOLITE IS AROUND 160 M.Y. OLD
15534	1	151	3	152	3	169	25							"18.6, 15.6"	zircon	C23	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.349	66.69	8.442	24.52				"NONMAGNETIC ZIRCONS, THE LESS-THAN-0.080 MM FRACTION"	"238U=175 PPM, 206PB=3.6 PPM"	DACITE DIKE IS AROUND 150 M.Y. OLD
15535	1	153	2	153	2	142	13							"18.6, 15.6"	zircon	PP572B	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.11	77.79	5.424	16.68				"NONMAGNETIC-MAGNETIC ZIRCONS, THE 0.080-0.045 MM FRACTION"	"238U=236 PPM, 206PB=4.9 M.Y."	BEAR MOUNTAIN COMPLEX IS 150-155 M.Y. OLD
15536	1	149	2	149	2	140	10							"18.6, 15.6"	zircon	PP567	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.035	83.49	4.59	11.88				"NONMAGNETIC ZIRCONS, THE 0.080-0.045 MM FRACTION"	"238U=151 PPM, 206PB=3.1 PPM"	BEAR MOUNTAIN COMPLEX IS AROUND 150-155 M.Y. OLD
15536	2	150	2	150	2	158	10							"18.6, 15.6"	zircon	PP567	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.027	83.66	4.462	11.85				"NONMAGNETIC ZIRCONS, THE 0.120-0.080 MM FRACTION"	"238U=151 PPM, 206PB=3.1 PPM"	BEAR MOUNTAIN COMPLEX IS 150-155 M.Y. OLD
15537	1	150	2	150	2	167	10							"18.6, 15.6"	zircon	PP582	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.072	72.02	4.617	23.29				"NONMAGNETIC ZIRCONS, THE LESS-THAN-120 MM FRACTION"	"238U=467 PPM, 206PB=9.51"	SILL IS AROUND 150 M.Y. OLD
15538	1	142	2	142	2	159	10							"18.6, 15.6"	zircon	J84Z	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.043	82.84	4.713	12.4				"NONMAGNETIC ZIRCONS, LESS-THAN-0.165 MM FRACTION"	"238U=905 PPM, 206PB=17.4 PPM"	COON MOUNTAIN COMPLEX IS AROUND 142 M.Y. OLD
15613	1	400		400		400		387							zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	520.3	196.7	33.96	0.015	84.59	4.854	10.54						STOCK IS 400 M.Y. OLD. THIS ARTICLE WAS ALSO PUBLISHED IN 1981 (81-00030)
15937	1	129.1		147.1		448.1		78.9						"18.51, 15.72, 38.44"	zircon	CQ772-11	"1.54E-04, 9.72E-04, 4.88E-05*"	393	194	15.2	0.589	55.86	11.79	31.76						THE METAGRANODIORITE IF PROBABLY OLDER THAN 500 M.Y.
15938	1	182.7		214.2		576.4		131.2						"18.51, 15.72, 38.44"	zircon	PTK4088-7	"1.54E-04, 9.72E-04, 4.88E-05*"	11500	36600	618	0.231	50.4	6.37	43						QUARTZ MONZONITE IS PROBABLY PRECAMBRIAN IN AGE
16125	1	401		405		429		392		444	8			"18.20, 15.60, 38.10"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1306.9	450.1	85.1	0.0171	85.16	4.962	9.859	645			150-200 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16125	2	398		402		424		387		444	8			"18.20, 15.60, 38.10"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1144.9	428.1	74	0.0102	84.84	4.839	10.31	645			250-325 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16126	1	448		450		459		430		444	8			"18.20, 15.60, 38.10"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1086.7	353.6	79.3	0.027	85.25	5.181	9.542	645			150-200 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16126	2	445		447		457		421		444	8			"18.20, 15.60, 38.10"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1531.5	512.7	110.1	0.0151	85.69	5.028	9.267	645			250-325 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16127	1	403		408		438		357		444	8			"18.20, 15.60, 38.10"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1147.7	535.7	77.2	0.025	83.04	4.984	11.95	645			150-200 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16127	2	415		419		438		399		444	8			"18.20, 15.60, 38.10"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	943.9	469.9	65.7	0.0073	82.37	4.69	12.93	645			250-325 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16128	1	435		437		447		441		444	8			"18.20, 15.60, 38.10"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1042.8	597.9	80.2	0.0403	78.83	4.992	16.13	645			150-200 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16128	2	433		434		442		445		444	8			"18.20, 15.60, 38.10"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1020.1	608.2	77.6	0.022	78.91	4.72	16.35	645			250-325 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16129	1	343		353		418		189		444	8			"18.20, 15.60, 38.10"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1428.4	612.8	77.2	0.0218	87.4	5.137	7.438	645			150-200 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO
16129	2	351		360		413		212		444	8			"18.20, 15.60, 38.10"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1226.4	494.6	69.8	0.0556	85.68	5.526	8.737	645			250-325 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO
16130	1	434		436		448		431		444	8			"18.20, 15.60, 38.10"	zircon	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2025.8	432.1	136.9	0.0059	88.68	5.044	6.27	645			150-200 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16130	2	426		430		447		423		444	8			"18.20, 15.60, 38.10"	zircon	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2335.8	488.2	155	0.0067	88.77	5.055	6.168	645			250-325 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO
16131	1	417		419		432		423		444	8			"18.20, 15.60, 38.10"	zircon	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2520.2	786.8	168.8	0.0101	85.94	4.917	9.138	645			150-200 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO.
16131	2	404		408		433		415		444	8			"18.20, 15.60, 38.10"	zircon	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2622.5	731.9	168.6	0.0104	86.63	4.961	8.397	645			250-325 MESH FRACTION	"14-POINT CHORD ON CONCORDIA DIAGRAM, LOWER CONCORDIA INTERCEPT IS 95+/-55 M.Y."	THESE PLUTONS FORMED ABOUT 444 M.Y. AGO
16141	1	84.1		88		195.2		95.5		78	9				monazite	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	6184	32904	215.3	0.014	32.9	1.855	65.23			age of metamorphic crystallization	EUHEDRAL TO SUBEUHEDRAL CRYSTALS	SAMPLE PLOTS ON CONCORDIA CURVE AT 78 M.Y.	
16142	1	519		774		1604				78	9				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	549		48.7	0.014	81.49	8.258	10.24				+200 MESH FRACTION	6-POINT (ZIRCONS AND MONAZITE) CONCORDIA CHORD GIVES UPPER INTERCEPT OF 1726+/-26 M.Y.; 5-POINT (JUST ZIRCONS) CONCORDIA CHORD GIVES INTERCEPTS OF 71+/-14 AND 1709+/-35 M.Y.	ZIRCONS PROBABLY ORIGINATED IN A 1700-1750 M.Y. CRYSTALLINE TERRANE
16142	2	432		671		1538				78	9				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	694		51.9	0.04	80.42	8.415	11.12				"ABRADED, NONMAGNETIC +250 MESH FRACTION"	6-POINT (ZIRCONS AND MONAZITE) CONCORDIA CHORD GIVES UPPER INTERCEPT OF 1726+/-26 M.Y.; 5-POINT (JUST ZIRCONS) CONCORDIA CHORD GIVES INTERCEPTS OF 71+/-14 AND 1709+/-35 M.Y.	ZIRCONS PROBABLY ORIGINATED IN A 1700-1750 M.Y. CRYSTALLINE TERRANE
16142	3	351		556		1520				78	9				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	769		45	0.02	82.53	8.09	9.359				NONMAGNETIC 200-250 MESH FRACTION	6-POINT (ZIRCONS AND MONAZITE) CONCORDIA CHORD GIVES UPPER INTERCEPT OF 1726+/-26 M.Y.; 5-POINT (JUST ZIRCONS) CONCORDIA CHORD GIVES INTERCEPTS OF 71+/-14 AND 1709+/-35 M.Y.	ZIRCONS PROBABLY ORIGINATED IN A 1700-1750 M.Y. CRYSTALLINE TERRANE
16142	4	305		491		1488				78	9				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	943		49	0.06	81.12	8.375	10.44				NONMAGNETIC -250 MESH FRACTION	6-POINT (ZIRCONS AND MONAZITE) CONCORDIA CHORD GIVES UPPER INTERCEPT OF 1726+/-26 M.Y.; 5-POINT (JUST ZIRCONS) CONCORDIA CHORD GIVES INTERCEPTS OF 71+/-14 AND 1709+/-35 M.Y.	ZIRCONS PROBABLY ORIGINATED IN A 1700-1750 M.Y. CRYSTALLINE TERRANE
16142	5	259		423		1452				78	9				zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1118		47.4	0.021	83.47	7.908	8.605				NONMAGNETIC -325 MESH FRACTION	6-POINT (ZIRCONS AND MONAZITE) CONCORDIA CHORD GIVES UPPER INTERCEPT OF 1726+/-26 M.Y.; 5-POINT (JUST ZIRCON) CONCORDIA CHORD GIVES INTERCEPTS OF 71+/-14 AND 1709+/-35 M.Y.	ZIRCONS PROBABLY ORIGINATED IN A 1700-1750 M.Y. CRYSTALLINE TERRANE
16145	1	662		684		754								"18.5, 15.7, 38.1"	zircon	S1 (832)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	780		107	0.042	66.5	4.888	28.57				A SPLIT OF BULK FRACTION	THIS SAMPLE PLOTS NEAR A 820 M.Y.-240 M.Y. CHORD ON A CONCORDIA DIAGRAM	PLUTON IS 695 M.Y. OLD BUT ZIRCON ANALYTICAL DATA INDICATES XENOCRYSTIC MATERIAL 1000-1200 M.Y. OLD IS PROBABLY PRESENT.
16146	1	694		697		712				695				"18.5, 15.7, 38.1"	zircon	S2 (833)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	625		88.2	0.029	68.49	4.736	26.75				LESS MAGNETIC ZIRCONS OF THE +200 MESH FRACTION	THIS SAMPLE PLOTS ON THE CONCORDIA CURVE AT 695 M.Y.	THE PLUTON IS 695 M.Y. OLD
16147	1	622		656		776								"18.5, 15.7, 38.1"	zircon	S3 (836)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	716		90.8	0.036	67.41	4.913	27.64				+200 MESH FRACTION	THIS SAMPLE PLOTS NEAR A 820 M.Y. -240 M.Y. CHORD ON A CONCORDIA DIAGRAM	PLUTON IS 695 M.Y. OLD BUT ZIRCON ANALYTICAL DATA INDICATES XENOCRYSTIC MATERIAL 1000-1200 M.Y. OLD IS PROBABLY PRESENT
16148	1	586		614		720								"18.5, 15.7, 38.1"	zircon	S4 (837)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1256		142	0.011	72.05	4.726	23.21				-200 MESH FRACTION	THIS SAMPLE PLOTS NEAR A 820 M.Y. -240 M.Y. CHORD ON A CONCORDIA DIAGRAM	PLUTON IS 695 M.Y. OLD BUT ZIRCON ANALYTICAL DATA INDICATES XENOCRYSTIC MATERIAL 1000-1200 M.Y. OLD IS PROBABLY PRESENT
16150	1	624		644		714								"18.5, 15.7, 38.1"	zircon	B3 (071)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1093		129	0.035	72.73	5.099	22.14				-200 MESH FRACTION	THIS SAMPLE PLOTS NEAR A 820 M.Y.-240M.Y. CHORD ON A CONCORDIA DIAGRAM	PLUTON IS 700-710 M.Y. OLD BUT ZIRCON ANALYTICAL DATA INDICATES XENOCRYSTIC MATERIAL 1000-1200 M.Y. OLD IS PROBABLY PRESENT
16153	1	640		671		784								"18.5, 15.7, 38.1"	zircon	B2 (074A)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	816		98.1	0.045	73	5.425	21.53				+200 MESH FRACTION	THIS SAMPLE PLOTS NEAR A 820 M.Y.-240 M.Y. CHORD ON A CONCORDIA DIAGRAM	PLUTON IS 700-710 M.Y. OLD BUT ZIRCON ANALYTICAL DATA INDICATES XENOCRYSTIC MATERIAL 1000-1200 M.Y. OLD IS PROBABLY PRESENT
16157	1	802		719		770								"18.5, 15.7, 38.1"	zircon	C2 (041)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	431		58.2	0.054	71.5	5.42	23.02				LESS MAGNETIC FRACTION	THIS SAMPLE PLOTS NEAR A 820 M.Y.-249 M.Y. CHORD ON A CONCORDIA DIAGRAM	PLUTON IS 640 M.Y. TO MAYBE 700 M.Y. OLD BUT ZIRCON ANALYTICAL DATA INDICATES XENOCRYSTIC MATERIAL 1000-1200 M.Y. OLD IS PROBABLY PRESENT
16158	1	562		604		762								"18.5, 15.7, 38.1"	zircon	C3 (041A)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	519		58.3	0.042	68.54	5.107	26.31				MORE MAGNETIC FRACTION	THIS SAMPLE PLOTS NEAR A 820 M.Y.-240 M.Y. CHORD ON A CONCORDIA DIAGRAM	PLUTON IS 640 M.Y. TO MAYBE 700 M.Y. OLD BUT ZIRCON ANALYTICAL DATA INDICATES XENOCRYSTIC MATERIAL 1000-1200 M.Y. OLD IS PROBABLY PRESENT
16166	1	587		616		724								"18.5, 15.7, 38.1"	zircon	BM1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1121		133	0.022	68.68	4.68	26.62				SPLIT OF BULK FRACTION	THIS SAMPLE PLOTS NEAR A 820 M.Y.-240 M.Y. CHORD ON A CONCORDIA DIAGRAM	U-PB AGES SUGGEST PLUTON IS AROUND 700 M.Y. OLD.  ANALYTICAL ZIRCON DATA SUGGESTS XENOCRYSTIC MATERIAL 1000-1200 M.Y. OLD MAY BE PRESENT
16167	1	656		666		704								"18.5, 15.7, 38.1"	zircon	BM2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	567		75.4	0.039	67.9	4.879	27.19				"+300 MESH FRACTION, LESS MAGNETIC"	THIS SAMPLE PLOTS NEAR A 820 M.Y.-240 M.Y. CHORD ON A CONCORDIA DIAGRAM	U-PB AGES SUGGEST PLUTON IS AROUND 700 M.Y. OLD.  ANALYTICAL DATA FOR THE ZIRCONS SUGGEST XENOCRYSTIC MATERIAL 1000-1200 M.Y. OLD MAY BE PRESENT
16168	1	606		638		756								"18.5, 15.7, 38.1"	zircon	G1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	394	43		0.079	74.51	5.945	19.47				SPLIT OF BULK FRACTION	THIS SAMPLE PLOTS NEAR A 820 M.Y.-240 M.Y. CHORD ON A CONCORDIA DIAGRAM	THE U-PB AGES ARE DISCORDANT; THE RHYOLITE MAY BE 600-650 M.Y. OLD
16249	1	736		1105		1926				302	156				zircon	81AFR114	"1.55125E-04, 9.8485E-04, 4.9475E-05"	289		39.8	0.015	75.83	9.15	15.01	651			"+150 MESH FRACTION; CLEAR, EUHEDRAL ZIRCONS"	4-POINT CHORD; UPPER CONCORDIA INTERCEPT IS 2383+/-398 M.Y.--INDICATING INHERITANCE OF EARLY PROTEROZOIC MATERIAL	GNEISS PROBABLY FORMED AROUND 300 M.Y. AGO
16249	2	336		566		1646									zircon	81AFR114	"1.55125E-04, 9.8485E-04, 4.9475E-05"	738		43.2	0.048	79.45	8.7	11.79				"325-400 MESH FRACTION; CLEAR, EUHEDRAL ZIRCONS"	DISCORDANCY INDICATES INHERITANCE OF EARLY PROTEROZOIC MATERIAL	GNEISS PROBABLY FORMED AROUND 300 M.Y. AGO
16249	3	313		524		1596									zircon	81AFR114	"1.55125E-04, 9.8485E-04, 4.9475E-05"	741		39.5	0.022	80.63	8.25	11.1				"-400 MESH FRACTION; CLEAR, EUHEDRAL ZIRCONS"	DISCORDANCY INDICATES INHERITANCE OF EARLY PROTEROZOIC MATERIAL	GNEISS PROBABLY FORMED AROUND 300 M.Y. AGO
16250	1	592		898		1752				302	156				zircon	81ADB35A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	469		50.8	0.062	77.3	9.12	13.51	651			"+150 MESH FRACTION; 75% WERE CLEAR, EUHEDRAL ZIRCONS; 25% WERE LIGHT BROWN AND SUBHEDRAL"	4-POINT CHORD; UPPER CONCORDIA INTERCEPT IS 2383+/-398M.Y.--INDICATING INHERITANCE OF EARLY PROTEROZOIC MATERIAL	GNEISS PROBABLY FORMED AROUND 300M.Y. AGO.
16250	2	519		799		1688				302	156				zircon	81ADB35A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	501		46.2	0.043	78.95	8.76	12.24	651			"150-200 MESH FRACTION; 75% WERE CLEAR, EUHEDRAL ZIRCONS AND 25% WERE LIGHT BROWN AND SUBHEDRAL"	4-POINT CHORD; UPPER CONCORDIA INTERCEPT IS 2383+/-398M.Y.--INDICATING INHERITANCE OF EARLY PROTEROZOIC MATERIAL	GNEISS PROBABLY FORMED AROUND 300M.Y. AGO
16251	1	301		508		1596									zircon	81ADB35B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.01		51.3	0.018	81.21	8.25	10.52				"+150 MESH FRACTION; LIGHT BROWN, EUHEDRAL ZIRCONS"	DISCORDANCY OF AGES INDICATES INHERITANCE OF EARLY PROTEROZOIC MATERIAL	GNEISS PROBABLY FORMED AROUND 300M.Y. AGO
16252	1	787		1198		2042				302	156				zircon	81ADB38A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	339		51.2	0.036	74.48	9.86	15.62	651			"+100 MESH FRACTION OF CLEAR, EUHEDRAL ZIRCONS"	4-POINT CHORD; UPPER CONCORDIA INTERCEPT IS 2383+/-398M.Y.--INDICATING INHERITANCE OF EARLY PROTEROZOIC MATERIAL	GNEISS PROBABLY FORMED AROUND 300M.Y. AGO
16253	1	172		258		1124				116	3				zircon	79AFR2010	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2040		57.1	0.051	84.47	7.24	8.24				"+150 MESH FRACTION OF CLEAR TO LIGHT BROWN, EUHEDRAL ZIRCONS"	3-POINT CHORD; ONLY LOWER CONCORDIA INTERCEPT CALCULATED.  EARLY PROTEROZOIC MATERIAL PRESENT IN ZIRCONS--CAUSING DISCORDANCY OF AGES.	GRANITE FORMED 116M.Y. AGO
16253	2	159		224		974				116	3				zircon	79AFR2010	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2189		55.2	0.051	86.15	6.85	6.95				200-250 MESH FRACTION OF CLEAR TO LIGHT BROWN; EUHEDRAL ZIRCONS	3-POINT CHORD;  ONLY LOWER CONCORDIA INTERCEPT CALCULATED.  EARLY PROTEROZOIC MATERIAL PRESENT IN ZIRCONS--CAUSING DISCORDANCY OF AGES.	GRANITE FORMED 116M.Y. AGO
16253	3	144		189		792				116	3				zircon	79AFR2010	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2435		53.8	0.027	88.44	6.18	5.35				"-325 MESH FRACTION OF CLEAR TO LIGHT BROWN, EUHEDRAL ZIRCONS"	3-POINT CHORD; ONLY LOWER CONCORDIA INTERCEPT CALCULATED.  EARLY PROTEROZOIC MATERIAL PRESENT IN ZIRCONS--CAUSING DISCORDANCY OF AGES	GRANITE FORMED 116M.Y. AGO
16254	1	321		327		369				373	7				zircon	80AAF039A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	119.8		7.32	0.071	73.19	4.98	21.76				+150 MESH FRACTION--PINKISH GRAY ZIRCONS	3-POINT CONCORDIA PLOT; LOWER INTERCEPT AT 25+/-63M.Y.	META-RHYODACITE FORMED 373M.Y. AGO
16254	2	347		350		372				373	7				zircon	80AAF039A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	135		8.8	0.045	73.82	4.65	21.49				200-250 MESH FRACTION OF PINKISH GRAY ZIRCON	3-POINT CONCORDIA PLOT; LOWER INTERCEPT AT 25+/-63M.Y.	META-RHYODACITE FORMED 373M.Y. AGO
16254	3	341		345		370				373	7				zircon	80AAF039A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	154.1		9.85	0.029	73.8	4.41	21.77				+325 MESH FRACTION OF PINKISH GRAY ZIRCONS	3-POINT CONCORDIA PLOT;  LOWER INTERCEPT AT 25+/-63M.Y.	META-RHYODACITE FORMED 373M.Y. AGO
16255	1	240		250		344		256		370	7			"18.144, 15.559, 37.969"	zircon	1A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	741.4	1135.9	47.18	0.2535	56	6.697	37.05	652			100-150 MESH FRACTION	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29M.Y.	QUINCY GRANITE OF QUINN FORMED 370M.Y. AGO
16256	1	360		361		369		337		370	7			"18.144, 15.559, 37.969"	zircon	2A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	708.8	291.8	41.87	0.0212	83.92	4.839	11.22	652			100-150 MESH FRACTION OF CLEAR TO DARK BROWN OR REDDISH BROWN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29M.Y.	COWESETT GRANITE FORMED 370M.Y. AGO
16256	2	327		332		368		311		370	7			"18.144, 15.559, 37.969"	zircon	2B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	561.4	233	30.27	0.0272	83.42	4.897	11.66	652			200-250 MESH FRACTION OF CLEAR TO DARK BROWN OR REDDISH BROWN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29M.Y.	COWESETT GRANITE FORMED 370M.Y. AGO
16257	1	176		189		354		109		370	7			"18.144, 15.559, 37.969"	zircon	3A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1390.9	570.5	43.23	0.1758	79.97	6.856	13	652			100-150 MESH FRACTION OF CLEAR TO DARK BROWN OR REDDISH BROWN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29M.Y.	COWESETT GRANITE FORMED 370M.Y. AGO
16257	2	276		285		363		174		370	7			"18.144, 15.559, 37.969"	zircon	EB	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1462.6	593.1	68.38	0.1184	82.55	6.169	11.16	652			200-250 MESH FRACTION OF CLEAR TO DARK BROWN OR REDDISH BROWN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29M.Y.	COWESETT GRANITE FORMED 370 M.Y. AGO
16257	3	214		228		379		105		370	7			"18.144, 15.559, 37.969"	zircon	3C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2481.9	1921.3	117.79	0.3841	68.16	9.292	22.17	652			"+150 MESH FRACTION OF MAGNETIC, CLEAR TO DARK BROWN OR REDDISH BROWN ZIRCONS"	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	COWESETT GRANITE FORMED 370 M.Y. AGO
16258	1	335		338		362		338		370	7			"18.144, 15.559, 37.969"	zircon	4A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	315.4	109.7	18.33	0.1089	80.84	5.94	13.11	652			100-150 MESH FRACTION OF PALE TAN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO.
16258	2	366		364		351		346		370	7			"18.144, 15.559, 37.969"	zircon	4B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	278.7	102.6	17.47	0.089	81.84	5.68	12.38	652			200-250 MESH FRACTION OF PALE TAN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16259	1	352		355		375		351		370	7			"18.144, 15.559, 37.969"	zircon	5A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	313.3	144.2	22.94	0.2824	71.21	7.98	20.53	652			100-150 MESH FRACTION OF PALE TAN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16259	2	353		356		375		348		370	7			"18.144, 15.559, 37.969"	zircon	5B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	407.4	198.9	27.59	0.1839	74.96	6.743	18.12	652			200-250 MESH FRACTION OF PALE TAN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16259	3	348		351		366		346		370	7			"18.144, 15.559, 37.969"	zircon	5C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	512.6	262	32.31	0.105	77.74	5.725	16.43	652			325-400 MESH FRACTION OF PALE TAN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16260	1	356		358		373		338		370	7			"18.144, 15.559, 37.969"	zircon	6A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	458.9	179.9	30.01	0.1675	77.81	6.65	15.36	652			100-150 MESH FRACTION OF PALE TAN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16260	2	342		346		370		317		370	7			"18.144, 15.559, 37.969"	zircon	6B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	423.8	167.9	24.41	0.0627	82.52	5.37	12.05	652			200-250 MESH FRACTION OF PALE TAN ZIRCON	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16261	1	371		373		390		367		370	7			"18.144, 15.559, 37.969"	zircon	7A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	824.8	413	51.44	0.0111	81.87	4.62	13.5	652			+100 MESH FRACTION OF COLORLESS ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16261	2	324		329		367		210		370	7			"18.144, 15.559, 37.969"	zircon	7B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1811.7	1353.3	102	0.0639	79.96	5.245	14.73	652			+100 MESH FRACTION OF DARK BROWN ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16261	3	309		314		355		168		370	7			"18.144, 15.559, 37.969"	zircon	7C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2346.7	1887.2	134	0.1597	76.88	6.458	16.5	652			+150 MESH FRACTION OF MOST MAGNETIC ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16261	4	361		362		369		359		370	7			"18.144, 15.559, 37.969"	zircon	7D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	737.6	352.8	44.71	0.0183	82.02	4.693	13.27	652			150-200 MESH FRACTION OF LEAST MAGNETIC ZIRCONS	17-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 20+/-29 M.Y.	SCITUATE GRANITE FORMED 370 M.Y. AGO
16262	1	464		488		604		277		621	8			"17.753, 15.572, 37.521"	zircon	8A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	668.4	439	59.3	0.1983	75.86	7.429	16.52	653			100-150 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 76+/-29 M.Y.	ESMOND GRANITE PROBABLY FORMED 620 M.Y. AGO
16262	2	518		534		601		329		621	8			"17.753, 15.572, 37.521"	zircon	8B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	671.5	422.8	66.85	0.1954	75.87	7.381	16.55	653			200-250 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 76+/-29 M.Y.	ESMOND GRANITE PROBABLY FORMED 620 M.Y. AGO
16262	3	477		498		594		282		621	8			"17.753, 15.572, 37.521"	zircon	8C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	694.3	481.3	63.16	0.1884	75.95	7.272	16.59	653			325-400 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 76+/-29 M.Y.	ESMOND GRANITE PROBABLY FORMED 620 M.Y. AGO
16263	1	411		438		586		350		621	8			"17.753, 15.572, 37.521"	zircon	9A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1442	1157.3	130.28	0.2758	67.55	8.024	24.15	653			100-150 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 76+/-29 M.Y.	ESMOND GRANITE PROBABLY FORMED 620 M.Y. AGO
16263	2	374		405		583		328		621	8			"17.753, 15.572, 37.521"	zircon	9B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1778.9	1464	181.32	0.4821	59.14	10.513	29.87	653			200-250 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 76+/-29 M.Y.	ESMOND GRANITE PROBABLY FORMED 620 M.Y. AGO
16264	1	548		562		617		431		621	8			"17.753, 15.572, 37.521"	zircon	10A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	372.1	245.2	38.35	0.1268	76.41	6.45	17.01	654			100-150 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT OF 76+/-29 M.Y.	GRANT MILLS GRANODIORITE PROBABLY FORMED 620 M.Y. AG0
16264	2	541		555		615		417		621	8			"17.753, 15.572, 37.521"	zircon	10B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	517.4	376.7	53.48	0.1343	75.28	6.488	18.1	653			200-250 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 76+/-29 M.Y.	GRANT MILLS GRANODIORITE PROBABLY FORMED 620 M.Y. AGO
16265	1	534		549		611		479		621	8			"17.753, 15.572, 37.521"	zircon	11A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	481.1	272	45.49	0.0542	79.57	5.577	14.79	653			100-150 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 76+/-29 M.Y.	QUARTZ DIORITE FORMED 620 M.Y. AGO
16265	2	562		574		619		535		621	8			"17.753, 15.572, 37.521"	zircon	11B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	462.3	259.7	48.26	0.1036	77.02	6.156	16.72	653			200-250 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 76+/-29 M.Y.	QUARTZ DIORITE FORMED 620 M.Y. AGO
16265	3	536		549		605		513		621	8			"17.753, 15.572, 37.521"	zircon	11C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	564.1	310.5	52.57	0.0223	80.48	5.155	14.35	653			325-400 MESH FRACTION OF COLORLESS TO PALE-TAN ZIRCONS	10-POINT CONCORDIA PLOT WITH LOWER INTERCEPT AT 76+/-29 M.Y.	QUARTZ DIORITE FORMED 620 M.Y. AGO
16266	1	377		392		480		352		601	5			"17.753, 15.572, 37.521"	zircon	12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1457.2	585.7	90.08	0.0171	84.16	5.022	10.8	654			"100-150 MESH FRACTION OF MAGNETIC, COLORLESS TO PALE-BROWN, EUHEDRAL TO SUBHEDRAL ZIRCONS"	5-POINT CONCORDIA PLOT; LOWER INTERCEPT AT 219+/-12 M.Y. SUGGESTS POSSIBLE LEAD-LOSS IN THE LATE PALEOZOIC	TEN ROD GRANITE GNEISS PROBABLY FORMED 600 M.Y. AGO
16266	2	498		510		561		552		601	5			"17.753, 15.572, 37.521"	zircon	12B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	527.4	246.6	49.46	0.1346	76.11	6.434	17.32	654			"100-150 MESH FRACTION OF LEAST MAGNETIC, COLORLESS TO PALE-BROWN, EUHEDRAL TO SUBHEDRAL ZIRCONS"	5-POINT CONCORDIA PLOT; LOWER INTERCEPT AT 219+/-12 M.Y. SUGGESTS POSSIBLE LEAD-LOSS IN THE LATE PALEOZOIC	TEN ROD GRANITE GNEISS PROBABLY FORMED 600 M.Y. AGO
16266	3	486		498		554		546		601	5			"17.753, 15.572, 37.521"	zircon	12C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	563.7	254.4	49.06	0.0754	78.75	5.713	15.46	654			"150-200 MESH FRACTION OF LEAST MAGNETIC, COLORLESS TO PALE-BROWN, EUHEDRAL TO SUBHEDRAL ZIRCONS"	5-POINT CONCORDIA PLOT; LOWER INTERCEPT AT 219+/-12 M.Y. SUGGESTS POSSIBLE LEAD-LOSS IN THE LATE PALEOZOIC	TEN ROD GRANITE GNEISS PROBABLY FORMED 600 M.Y. AGO
16267	1	506		516		560		503		601	5			"17.753, 15.572, 37.521"	zircon	13A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1172.3	426.6	98.2	0.0196	84.26	5.241	10.48	654			"150-200 MESH FRACTION OF COLORLESS TO PALE-BROWN, EUHEDRAL TO SUBHEDRAL ZIRCONS"	5-POINT CONCORDIA PLOT; LOWER INTERCEPT AT 219+/-12 M.Y. SUGGESTS POSSIBLE LEAD LOSS IN THE LATE PALEOZOIC	HOPE VALLEY ALASKITE GRANITE GNEISS PROBABLY FORMED 600 M.Y. AGO
16267	2	465		479		545		449		601	5			"17.758, 15.572, 37.521"	zircon	13B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1193.2	458.7	91	0.0089	84.54	5.066	10.39	654			"250-325 MESH FRACTION OF COLORLESS TO PALE-BROWN, EUHEDRAL TO SUBHEDRAL ZIRCONS"	5-POINT CONCORDIA PLOT; LOWER INTERCEPT AT 219+/-12 M.Y. SUGGESTS POSSIBLE LEAD-LOSS IN THE LATE PALEOZOIC	HOPE VALLEY ALASKITE GRANITE GNEISS PROBABLY FORMED 600 M.Y. AGO
16299	1	904		967		1060				1130					zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	488		75	0.014	86.85	6.662	6.472				100-200 MESH FRACTION OF NON-MAGNETIC ZIRCONS	2-POINT CHORD ON A CONCORDIA CURVE	THIS ROCK FORMED 1130 M.Y. AGO.
16299	2	927		928		1059				1130					zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	539		84.2	0.009	87.43	6.657	5.907				200-325 MESH FRACTION OF NON-MAGNETIC ZIRCONS	2-POINT CHORD ON A CONCORDIA CURVE	THIS ROCK FORMED 1130 M.Y. AGO
16300	1	916		965		1031				1075					zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	275		43.6	0.01	85.09	6.405	8.492				100-200 MESH FRACTION OF NON-MAGNETIC ZIRCONS	2-POINT CHORD ON A CONCORDIA CURVE	THIS ROCK FORMED 1075 M.Y. AGO
16300	2	913		962		1027				1075					zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	287		45.4	0.009	85.01	6.374	8.611				200-325 MESH FRACTION OF NON-MAGNETIC ZIRCONS	2-POINT CHORD ON CONCORDIA CURVE	THIS ROCK FORMED 1075 M.Y. AGO
16301	1	913		962		1024				1060					zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	142		23.2	0.02	82.71	6.369	10.9				100-200 MESH FRACTION OF NON-MAGNETIC ZIRCONS	2-POINT CHORD ON CONCORDIA CURVE	GRANODIORITE FORMED 1060 M.Y. AGO
16301	2	896		949		1015				1060					zircon	(NOT GIVEN)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	142		23.1	0.05	81.67	6.671	11.61				200-325 MESH FRACTION OF NON-MAGNETIC ZIRCONS	2-POINT CHORD ON A CONCORDIA CURVE	GRANODIORITE FORMED 1060 M.Y. AGO
16302	1	329		334		373				365	15			"18.2, 15.62"	zircon	77DN76	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.124	80.4	6.15	13.32	655			"BROWN, EUHEDRAL ZIRCONS"	7-POINT CHORD ON A CONCORDIA CURVE; 238U=886PPM; 206PB=40.1PPM	VOLCANIC ROCK FORMED AROUND 365 M.Y. AGO
16302	2	327		332		364				365	15			"18.2, 15.62"	zircon	77MW76	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.099	81.21	5.814	12.88	655			"MAGNETIC, BROWN, EUHEDRAL ZIRCONS"	7-POINT CHORD ON A CONCORDIA CURVE; 238U=928PPM; 206PB=41.8PPM	VOLCANIC ROCK FORMED AROUND 365 M.Y. AGO.
16303	1	277		285		353				365	15			"18.8, 15.65"	zircon	77DN72A	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.198	78.51	7.102	14.19	655			"YELLOW TO BROWN, EUHEDRAL ZIRCONS"	7-POINT CHORD ON A CONCORDIA CURVE; 238U=1625 PPM; 206PB=62.7 PPM	VOLCANIC ROCK FORMED AROUND 365 M.Y. AGO
16303	2	276		285		367				365	15			"18.8, 15.65"	zircon	77DN72B	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.102	82.95	5.963	10.98	655			"YELLOW TO BROWN, EUHEDRAL ZIRCONS"	7-POINT CHORD ON A CONCORDIA CURVE; 238U=1448 PPM; 206PB=54.7 PPM	VOLCANIC ROCK FORMED AROUND 365 M.Y. AGO
16303	3	268		279		378				365	15			"18.8, 15.65"	zircon	77DN72C	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.153	80.1	6.562	13.18	655		age of volcanism	"YELLOW TO BROWN, EUHEDRAL ZIRCONS"	7-POINT CHORD ON A CONCORDIA CURVE; 238U=1955 PPM; 206PB=71.8 PPM	
16304	1	357		357		357				365	15			"18.8, 15.65"	zircon	77DN74	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.258	73.18	7.691	18.87	655			HONEY-YELLOW EUHEDRAL ZIRCONS	7-POINT CHORD ON A CONCORDIA CURVE; 238U=506 PPM; 206PB=24.9 PPM	PLUTONIC ROCK FORMED AROUND 365 M.Y. AGO
16304	2	356		358		375				365	15			"18.8, 15.65"	zircon	77DN74M	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.121	79.07	6.043	14.77	655			HONEY-YELLOW EUHEDRAL ZIRCONS	7-POINT CHORD ON A CONCORDIA CURVE; 238U=518 PPM; 206PB=25.5 PPM	PLUTONIC ROCK FORMED AROUND 365 M.Y. AGO
16305	1	335		338		357				365	15			"18.8, 15.65"	zircon	77DN43	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.065	78.95	5.191	15.79	655			HONEY-YELLOW EUHEDRAL ZIRCONS	7-POINT CHORD ON A CONCORDIA CURVE; 238U=506 PPM; 206PB=23.4 PPM	PLUTONIC ROCK FORMED AROUND 365 M.Y. AGO
16306	1	652		688		807								"18.8, 15.65"	zircon	77DN102A	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.143	81.62	7.452	10.78				"PALE-RED TO PURPLE, EUHEDRAL ZIRCONS"	238U=557 PPM; 206PB=51.3 PPM	A PROTEROZOIC PLUTONIC ROCK
16306	2	656		693		816								"18.8, 15.65"	zircon	77DN102B	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.475	66.07	11.22	22.23				"PALE-RED TO PURPLE, EUHEDRAL ZIRCONS"	238U=687 PPM; 206PB=63.7 PPM	A PROTEROZOIC PLUTONIC ROCK
16306	3	679		731		895								"18.8, 15.65"	zircon	77DN102C	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.036	86.15	6.453	7.358				"PALE-RED TO PURPLE, EUHEDRAL ZIRCONS"	238U=554 PPM; 206PB=53.3 PPM	A PROTEROZOIC PLUTONIC ROCK
16307	1	799		829		911								"18.8, 15.65"	zircon	77DN217A	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.155	79.32	7.726	12.79				"PALE-PURPLE, EUHEDRAL ZIRCONS"	238U=625 PPM; 206PB=71.4 PPM	A PROTEROZOIC PLUTONIC ROCK
16307	2	681		761		1002								"18.8, 15.65"	zircon	77DN217B	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.122	79.55	7.509	12.82				"PALE-PURPLE, EUHEDRAL ZIRCONS"	238U=489 PPM; 206PB=47.1 PPM	A PROTEROZOIC PLUTONIC ROCK
16307	3	801		855		999								"18.8, 15.65"	zircon	77DN217C	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.016	84.7	6.352	8.936				"PALE-PURPLE, EUHEDRAL ZIRCONS"	238U=532 PPM; 206PB=60.9 PPM	A PROTEROZOIC PLUTONIC ROCK
16469	1	155.1		155.4		158.5		152.7						"19.23, 15.71, 39.18"	whole rock	28	"1.55125E-04, 9.8485E-04, 4.9475E-05"	893.9	46733	394.1	0.1927	8.494	3.26	88.05						INTRUSION FORMED 155+/-4 M.Y. AGO.
16517	1	182.9	4	183	10	184	65								zircon	none	"1.55125E-04, 9.8485E-04, 4.9475E-05"	147.4		4.07								coarse fraction		Age interpreted to be 180+/-2 Ma
16517	2	178.6	2	180	4	194	20								zircon	none	"1.55125E-04, 9.8485E-04, 4.9475E-05"	163.9		4.01								fine fraction		Age interpreted to be 180+/-2 Ma
16568	1	172.5		183.7		330.2	27	153.6						18.4:15.6:38.3	zircon	MWF lower	"1.55125E-04, 9.8485E-04, 4.9475E-05"	307.6	313.9	11.68	0.2314	65.79	6.873	27.11				50		A rather imprecise maximum age of about 220 Ma is given for this sample.
16568	2	173.8		181.1		276.6	32							18.4:15.6:38.3	zircon	MWF lower	"1.55125E-04, 9.8485E-04, 4.9475E-05"	319		12.7	0.272	64.17	7.308	28.25				50		A rather imprecise maximum age of about 220 Ma is given for this sample.
16568	3	160.4		165.1		233.8	35	145.8						18.4:15.6:38.3	zircon	MWF lower	"1.55125E-04, 9.8485E-04, 4.9475E-05"	354.7	364.9	13.34	0.3	63.18	7.556	28.97				75		A rather imprecise maximum age of about 220 Ma is given for this sample.
16568	4	138.3		142.8		218.6	38	115.5						18.4:15.6:38.3	zircon	MWF lower	"1.55125E-04, 9.8485E-04, 4.9475E-05"	559.1	635.9	18.78	0.33	61.72	7.98	29.96						A rather imprecise maximum age of about 220 Ma is given for this sample.
16568	5					212.2	28							18.4:15.6:38.3	zircon	MWF lower	"1.55125E-04, 9.8485E-04, 4.9475E-05"				0.24	65.35	6.83	27.57				-400(II)		A rather imprecise maximum age of about 220 Ma is given for this sample.
16568	6	151.1		157.3		252	28	124.5						18.4:15.6:38.3	zircon	MWF lower	"1.55125E-04, 9.8485E-04, 4.9475E-05"	284.8	315.8	9.57	0.24	65.31	6.935	27.51				-400 CL		A rather imprecise maximum age of about 220 Ma is given for this sample.
16569	1	178.7		181.4		217.2	28	177		780	290	171.8	6.3	18.4:15.6:38.3	zircon	MWF middle	"1.55125E-04, 9.8485E-04, 4.9475E-05"	461.3	258.7	16.6	0.23	71.56	7.047	21.16				50		"The min and max ages for this sample are thought to be 1882 Ma and 203 Ma, respectively."
16569	2	178.2		180		203.1	12	178.2		780	290	171.8	6.3	18.4:15.6:38.3	zircon	MWF middle	"1.55125E-04, 9.8485E-04, 4.9475E-05"	633.8	341.4	20.32	0.1054	77.21	5.42	17.26				75		"The min and max ages for this sample are thought to be 1882 Ma and 203 Ma, respectively."
16569	3	179.3		181.4		208.1	15	179.6		780	290	171.8	6.3	18.4:15.6:38.3	zircon	MWF middle	"1.55125E-04, 9.8485E-04, 4.9475E-05"	725.1	379	23.88	0.1357	76.22	5.82	17.82				-400		"The min and max ages for this sample are thought to be 1882 Ma and 203 Ma, respectively."
16569	4	179.2		181.6		212	28	177.5		780	290	171.8	6.3	18.4:15.6:38.3	zircon	MWF middle	"1.55125E-04, 9.8485E-04, 4.9475E-05"	549.6	313	20	0.24	71.15	7.11	21.49				-150+200M		"The min and max ages for this sample are thought to be 1882 Ma and 203 Ma, respectively."
16569	5	186		190.3		243.6	13	191.7		780	290	171.8	6.3	18.4:15.6:38.3	zircon	MWF middle	"1.55125E-04, 9.8485E-04, 4.9475E-05"	439.5	236.1	14.84	0.11	76.66	5.53	17.7				-150+200AN		"The min and max ages for this sample are thought to be 1882 Ma and 203 Ma, respectively."
16569	6	180.7		183.1		214.8	18	177.9		780	290	171.8	6.3	18.4:15.6:38.3	zircon	MWF middle	"1.55125E-04, 9.8485E-04, 4.9475E-05"	546.7	315.4	18.76	0.16	74.31	6.12	19.41				-150+200AM		"The min and max ages for this sample are thought to be 1882 Ma and 203 Ma, respectively."
16570	1	188.3		188.4		189.7	4	188.4						18.4:15.6:38.3	zircon	PG	"1.55125E-04, 9.8485E-04, 4.9475E-05"	966.7	613.7	31.18	0.008	79.23	4.07	16.69				50		Age interpreted to be 188.2 Ma.
16570	2	187.3		187.7		193.5	5	188						18.4:15.6:38.3	zircon	PG	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1041.7	561.6	32.66	0.01	81.1	4.208	14.69				75		Age interpreted to be 188.2 Ma.
16571	1	195.3		198.4		235.7	7	189.2						18.4:15.6:38.3	zircon	GCF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	386.9	242.2	13.19	0.04	78.41	4.6	16.94				50		Age interpreted to be 200 Ma.
16571	2	194.1		197		232	6	186.9						18.4:15.6:38.3	zircon	GCF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	438.9	289.7	14.8	0.02	72.98	4.05	15.93				75		Age interpreted to be 200 Ma.
16571	3	194.4		197.5		233.6	6	182						18.4:15.6:38.3	zircon	GCF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	432.3	299.5	14.69	0.03	78.09	4.39	14.69				75		Age interpreted to be 200 Ma.
16571	4	185.3		201.9		400.4	20	162.5						18.4:15.6:38.3	zircon	GCF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	476.3	313.7	17.07	0.18	73.29	6.584	19.95				-150+200M		Age interpreted to be 200 Ma.
16571	5	199.5		200.4		210.1	5	198.4						18.4:15.6:38.3	zircon	GCF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	368.5	222	12.59	0.02	79.53	4.27	16.17				-150+200AN		Age interpreted to be 200 Ma.
16571	6	205.9		211.6		276.3	7	201.5						18.4:15.6:38.3	zircon	GCF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	407.5	257.8	14.52	0.02	78.82	4.43	16.73				-150+200AM		Age interpreted to be 200 Ma.
16572	1	133.7		144.8		330.3	6	151.6						18.4:15.6:38.3	zircon	TF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	528.8	278.9	12.2	0.03	78.75	4.66	16.56				50		"When plotted on a concordia diagram, the data do not define a unique linear array, but, assuming some lead loss, do not contradict the Rb-Sr age of 1515 Ma."
16572	2	135.7		147.7		344.8	12	119.7						18.4:15.6:38.3	zircon	TF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	462.8	304.5	11.38	0.1	76.34	5.56	18.01				75		"When plotted on a concordia diagram, the data do not define a unique linear array, but, assuming some lead loss, do not contradict the Rb-Sr age of 1515 Ma."
16572	3	128.3		136.7		284.5	5	113.4						18.4:15.6:38.3	zircon	TF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	446.3	339.6	9.96	0.02	77.88	4.32	17.77				-200+250A		"When plotted on a concordia diagram, the data do not define a unique linear array, but, assuming some lead loss, do not contradict the Rb-Sr age of 1515 Ma."
16611	1	1700	40	1570	40	1390	70	1170	80						whole rock	LPG	"1.55125E-04, 9.8485E-04, 4.9475E-05"	24.2	29.9	33.49							age of intrusion			"Accepted age is 1,420 Ma, sample has experienced preferential loss of U late in its history."
16612	1	2940	120	2110	100	1380	200	1490	70						whole rock	RG	"1.55125E-04, 9.8485E-04, 4.9475E-05"	9.1	26.52	34.22							age of intrusion			"Accepted age is 1,440 Ma, sample has experienced preferential loss of U late in its history."
16613	1	1470	80	1510	100	1580	210	1300	60						whole rock	GMM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	11.2	167.8	53.07							age of intrusion			Accepted age is 1410 Ma
16614	1	930		1480	170	2400	300	530	50						whole rock	GRG	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0	3.54	2.57							age of intrusion			Accepted age is 2650 Ma
16615	1	2580	100	1900	150	1680	320	1790	210						whole rock	GP	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.95	4.77	20.59							age of intrusion			Accepted age is 1710 Ma
16637	1	874		1030		1377		1201		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2188	531	339	0.05	81.6	7.901	10.45				bulk (+150)		Age of emplacement is 141213 Ma
16637	2	955		1106		1416		1321		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1296	404	228	0.06	79.08	7.955	12.9				bulk (-250+325)		Age of emplacement is 141213 Ma
16637	3	948		1101		1419		1297		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1206	415	211	0.05	78.66	7.799	13.49				bulk (-325)		Age of emplacement is 141213 Ma
16637	4	1163		1258		1425		822		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	780	421	167	0.06	80.53	8.04	11.37				bulk (-325) NM		Age of emplacement is 141213 Ma
16637	5	981		1112		1379		1724		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2589	658	468	0.05	79.12	7.72	13.11				bulk (+150) A		Age of emplacement is 141213 Ma
16637	6	1053		1174		1404		1208		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1253	344	238	0.06	81.54	8.15	10.24				plag (+150)		Age of emplacement is 141213 Ma
16637	7	1096		1208		1413		1080		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1267	467	259	0.09	79.53	8.36	12.02				plag (-325)		Age of emplacement is 141213 Ma
16637	8	577		780		1415		850		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2505	710	258	0.06	79.24	7.959	12.74				qtz (+150)		Age of emplacement is 141213 Ma
16637	9	1000		1142		1422		1240		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1383	459	251	0.04	80.23	7.83	11.89				qtz (-325)		Age of emplacement is 141213 Ma
16637	10	1232		1297		1406		1037		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1475	528	347	0.1313	79.15	8.879	11.84				Kf (+150)		Age of emplacement is 141213 Ma
16637	11	1163		1252		1409		1212		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1378	474	326	0.198	75.18	9.48	15.14				Kf (-325)		Age of emplacement is 141213 Ma
16637	12	772		951		1394		1359		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1590	418	224	0.05	78.72	7.72	13.5				biot (+150)		Age of emplacement is 141213 Ma
16637	13	866		1037		1417		1105		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1100	396	172	0.04	79.59	7.63	12.74				biot (-325)		Age of emplacement is 141213 Ma
16637	14	768		946		1387		1265		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1954	494	268	0.04	80.05	7.69	12.21				hbl (+150)		Age of emplacement is 141213 Ma
16637	15	1030		1163		1418		1318		1412	13	9	38	16.4:15.4:36.0	zircon	CR-39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1270	518	244	0.04	78.22	7.57	14.16				hbl (-325)		Age of emplacement is 141213 Ma
16643	1					0									zircon	B-61	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 17818 Ma.
16644	1					0									zircon	B-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 17705 Ma.
16645	1					0									zircon	B-60	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 176614 Ma.
16646	1					0									zircon	B-85	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 17665 Ma.
16647	1					0									zircon	B-82	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 17598 Ma.
16648	1					0									zircon	B-59	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 175710 Ma.
16649	1					0									zircon	B-71	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 17516 Ma.
16650	1					0									zircon	SAB-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 17428 Ma.
16651	1					0									zircon	B-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 17408 Ma.
16652	1					0									zircon	B-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 173315 Ma.
16653	1					0									zircon	B-40	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 172110 Ma.
16654	1					0									zircon	B-24	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 171410 Ma.
16655	1					0									zircon	B-42	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 170010 Ma.
16656	1					0									zircon	B-68	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 16766 Ma.
16657	1					0									zircon	SAL-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 16725 Ma.
16658	1					0									zircon	Z-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"												"No chemistry given, just age."	Age determined to be 17286 Ma.
16659	1	1682.8		1692.2		1703				1705	8	70	620		zircon	RG 25	"1.55125E-04, 9.8485E-04, 4.9475E-05"	350		107	0.01	83.93	8.91	7.15			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            E"		
16659	2	1681		1691.7		1705.1				1705	8	70	620		zircon	RG 25	"1.55125E-04, 9.8485E-04, 4.9475E-05"	328		101	0.02	83.49	8.97	7.52			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            F"		
16659	3	1680.3		1690.9		1703.9				1705	8	70	620		zircon	RG 25	"1.55125E-04, 9.8485E-04, 4.9475E-05"	284		87	0.02	82.95	8.92	8.11			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            G"		
16659	4	1668.4		1684.2		1703.9				1705	8	70	620		zircon	RG 25	"1.55125E-04, 9.8485E-04, 4.9475E-05"	372		113	0.01	83.83	8.93	7.23			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            D"		
16659	5	1666.1		1682.9		1703.9				1705	8	70	620		zircon	RG 25	"1.55125E-04, 9.8485E-04, 4.9475E-05"	346		106	0.02	83.25	9	7.73			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            C"		
16660	1	1643.5		1667.7		1698.2				1706	5	356	56		zircon	RG 4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	432		128	0.02	84.75	9.12	6.11			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            1"		
16660	2	1618.3		1651.2		1693.4				1706	5	356	56		zircon	RG 4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	487		145	0.05	82.98	9.31	7.66			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            H"		
16660	3	1552		1607.1		1680.1				1706	5	356	56		zircon	RG 4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	719		198	0.02	85.15	9.12	5.7			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            F"		
16660	4	1452.1		1541.1		1665.6				1706	5	356	56		zircon	RG 4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	818		210	0.03	85.04	9.08	5.85			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            D"		
16661	1	1600.1		1643.1		1698.4				1703	7	112	38		zircon	VS 75	"1.55125E-04, 9.8485E-04, 4.9475E-05"	432		126	0.04	83.84	9.23	6.89			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            A1"		
16661	2	1499.1		1580.7		1691.4				1703	7	112	38		zircon	VS 75	"1.55125E-04, 9.8485E-04, 4.9475E-05"	538		147	0.06	82.9	9.37	7.67			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            B"		
16661	3	1265.6		1429.8		1683.6				1703	7	112	38		zircon	VS 75	"1.55125E-04, 9.8485E-04, 4.9475E-05"	687		162	0.1	80.55	9.66	9.69			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            O"		
16661	4	1124.6		1324		1662.9				1703	7	112	38		zircon	VS 75	"1.55125E-04, 9.8485E-04, 4.9475E-05"	775		167	0.14	78.3	9.93	11.62			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            F"		
16662	1	1685.2		1688.7		1693				1703	300	940	900		zircon	MT 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	141		43	0.02	84.27	9.05	6.67				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            NM(-2)"		Age estimated to be 169410 Ma.
16662	2	1680.8		1686.5		1693.8				1703	300	940	900		zircon	MT 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	144		43	0.01	84.71	8.94	6.34				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            M(-2)"		Age estimated to be 169410 Ma.
16662	3	1675.4		1683.2		1693				1703	300	940	900		zircon	MT 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	145		44	0.01	84.58	8.96	6.44				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            M(-1)"		Age estimated to be 169410 Ma.
16662	4	1668.9		1677.1		1687.5				1703	300	940	900		zircon	MT 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	150		45	0.01	84.81	8.92	6.26				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            M(0)"		Age estimated to be 169410 Ma.
16663	1	1442.6		1531.3		1656.1				1666	22	130	110		zircon	CO 15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	833		215	0.02	83.69	8.77	7.52			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            G"		
16663	2	1366.9		1479.9		1645.7				1666	22	130	110		zircon	CO 15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	990		243	0.03	83.05	8.8	8.12			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:            F"		
16663	3	1279.8		1420.8		1693.1				1666	22	130	110		zircon	CO 15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1231		282	0.03	83.01	8.8	8.15			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           E"		
16663	4	1169.1		1343.6		1633.6				1666	22	130	110		zircon	CO 15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1365		284	0.04	82.73	8.8	8.43			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           D"		
16664	1	1327.1		1445.9		1625.4				1663	4	232	5		zircon	MM-B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4907		1119	0.02	86.48	8.91	4.59			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           NM(2)"		
16664	2	1019.6		1208.3		1563.3				1663	4	232	5		zircon	MM-B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4230		716	0.02	87.37	8.8	3.8			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(2)"		
16664	3	811.9		1018.7		1494.5				1663	4	232	5		zircon	MM-B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3962		525	0.03	87.49	8.59	3.88			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(4)"		
16664	4	578.4		763.2		1351.2				1663	4	232	5		zircon	MM-B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4011		376	0.04	86.83	8.13	4.99			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(8)"		
16665	1	1562.1		1604.2		1660.2				1665	5	92	66		zircon	VS 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	320		92	0.04	82.02	8.84	9.1			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           A'"		
16665	2	1544.7		1595.5		1663.4				1665	5	92	66		zircon	VS 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	329		93	0.02	82.21	8.71	9.06			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           A"		
16665	3	1516.7		1577.9		1660.6				1665	5	92	66		zircon	VS 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	322		90	0.03	81.84	8.78	9.35			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           B"		
16665	4	1472.1		1549		1655.6				1665	5	92	66		zircon	VS 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	336		92	0.04	80.99	8.85	10.12			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           C"		
16665	5	1376.4		1489.4		1654.1				1665	5	92	66		zircon	VS 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	359		91	0.05	81.12	8.9	9.93			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           D"		
16666	1	1539.9		1590.2		1657.4				1653	50	100	230		zircon	MT-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	369		107	0.04	80.3	8.69	10.97			age of metamorphic crystallization	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           NM(-2)"		
16666	2	1420.9		1506		1627.7				1653	50	100	230		zircon	MT-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	555		150	0.07	79.44	8.87	11.62			age of metamorphic crystallization	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(-2)"		
16666	3	122		1380.1		1635.5				1653	50	100	230		zircon	MT 8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	641		147	0.06	79.34	8.82	11.78			age of metamorphic crystallization	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(-1)"		
16666	4	977.2		1194.3		1611.7				1653	50	100	230		zircon	MT 8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	704		127	0.08	78.84	8.92	12.16			age of metamorphic crystallization	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(0)"		
16667	1	1582.6		1600.4		1623.8				1622	5	99	14		zircon	MT 9A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	185		52	0.01	84.86	8.67	6.45			age of metamorphic crystallization	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           NM(-3)"		
16667	2	1586		1601.1		1620.9				1622	5	99	14		zircon	MT 9A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	193		55	0.01	84.67	8.64	6.67			age of metamorphic crystallization	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(-3)"		
16667	3	1612.2		1614.2		1617.3				1622	5	99	14		zircon	MT 9A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	197		57	0.01	84.39	8.59	7.01			age of metamorphic crystallization	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(-1)"		
16668	1	1527.4		1561.5		1608.2				1615	3	99	10		zircon	MT 9B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	433		115	0.01	86.41	8.74	4.84			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           NM(-3)"		
16668	2	1504.3		1549.3		1611				1615	3	99	10		zircon	MT 9B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	448		118	0.01	82.22	8.73	5.03			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(-3)"		
16668	3	1489.2		1540.5		1611.9				1615	3	99	10		zircon	MT 9B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	468		121	0.01	86.12	8.7	5.17			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(-1)"		
16669	1	1155.6		1270.8		1471.1				1490	550				zircon	BC 1 (bulk)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	837		186	0.18	77.92	9.72	12.18				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           NM (1)"		Age estimated to be 1480 Ma.
16669	2	1128.1		1243.3		1448.8				1490	550				zircon	BC 1 (bulk)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	526		132	0.34	70.3	11.2	18.16				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M (1)"		Age estimated to be 1480 Ma.
16669	3	917.1		1083.8		1436.1				1490	550				zircon	BC 1 (bulk)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	944		199	0.37	68.16	11.3	20.18				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           bulk"		Age estimated to be 1480 Ma.
16669	4	1077.9		1220.7		1482.8				1517	7				zircon	BC 1 (clear)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	761		175	0.28	72.35	10.58	16.78				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           NM(6)"		Age estimated to be 1480 Ma.
16669	5	715.5		911.3		1421.5				1517	7				zircon	BC 1 (clear)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	866		164	0.49	61.05	12.26	26.2				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(6)"		Age estimated to be 1480 Ma.
16670	1	1131		1243.7		1444.9				1474	7	146	17		zircon	CO 7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1176		248	0.1	79.84	8.67	11.38			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           MN(1)"		
16670	2	970.7		1120.1		1422.7				1474	7	146	17		zircon	CO 7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1536		277	0.12	79.35	8.73	11.8			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(1)"		
16670	3	835.5		1005.8		1398				1474	7	146	17		zircon	CO 7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2068		328	0.15	77.48	9.01	13.36			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(3)"		
16671	1	1116.2		1226.4		1425.8				1460	21	177	57		zircon	CO 9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1562		314	0.05	81.6	7.98	10.37				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           G"		Emplacement at about 1470 Ma.
16671	2	1039.7		1166.1		1409.4				1460	21	177	57		zircon	CO 9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1962		369	0.07	80.95	8.14	10.84				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           F"		Emplacement at about 1470 Ma.
16671	3	1032.5		1160.5		1407.8				1460	21	177	57		zircon	CO 9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1749		325	0.05	81.21	7.96	10.78				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           E(3D)"		Emplacement at about 1470 Ma.
16671	4	1031.5		1159.8		1407.8				1460	21	177	57		zircon	CO 9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1741		323	0.05	81.21	7.96	10.78				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           E(3C)"		Emplacement at about 1470 Ma.
16671	5	970.5		1109.8		1394.1				1460	21	177	57		zircon	CO 9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2051		360	0.06	80.67	8.02	11.25				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           D"		Emplacement at about 1470 Ma.
16671	6	904.7		1058		1389.5				1460	21	177	57		zircon	CO 9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2234		361	0.06	81.11	8.01	10.82				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           C"		Emplacement at about 1470 Ma.
16672	1	1348.9		1381.8		1432.8				1441	82	311	370		zircon	NOB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	20		7	0.36	63.34	10.86	25.43			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           NM(-2)"		
16672	2	1230.9		1290		1389.8				1441	82	311	370		zircon	NOB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	263		65	0.1	74.65	8.03	17.22			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(-1)"		
16672	3	1148.4		1231.5		1380.1				1441	82	311	370		zircon	NOB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	447		106	0.16	73.38	8.67	17.79			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(0)"		
16672	4	1098.1		1198.1		1382.4				1441	82	311	370		zircon	NOB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	500		112	0.16	73.65	8.75	17.44			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(1)"		
16673	1	1329.4		1410		1436.7				1439	8	110	220		zircon	RG 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	238		58	0.01	84.33	7.82	7.83			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           1"		
16673	2	1377		1400.3		1435.9				1439	8	110	220		zircon	RG 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	269		69	0.01	80.52	8.47	11			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           G"		
16673	3	1370.6		1396		1435.2				1439	8	110	220		zircon	RG 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	271		66	0.03	83.87	7.95	8.15			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           H"		
16673	4	1347		1381.2		1434.4				1439	8	110	220		zircon	RG 6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	300		72	0.03	83.43	7.92	8.62			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           F"		
16674	1	1408		1419.8		1437.4				1442	7	99	17		zircon	RV 1C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	122		32	0.04	80.28	7.89	11.78			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           NM(-3)"		
16674	2	1366.3		1396.3		1442.3				1442	7	99	17		zircon	RV 1C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	134		36	0.12	77.2	8.61	14.07			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           M(0)"		
16675	1	1202.2		1284.6		1425.3				1423	28	-48	190		zircon	VS 8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	270		62	0.07	78.05	8.04	13.83				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           A"		Emplacement between 1440-1450 Ma.
16675	2	1179.7		1272.8		1433.9				1423	28	-48	190		zircon	VS 8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	280		61	0.05	79.45	7.93	12.57				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           C"		Emplacement between 1440-1450 Ma.
16675	3	1078.2		1202		1432				1423	28	-48	190		zircon	VS 8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	343		70	0.11	77.68	8.54	13.67				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           E"		Emplacement between 1440-1450 Ma.
16676	1	1304.6		1357.9		1442.8				1459	14	97	31		zircon	VS 9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	212		51	0.02	80.46	7.58	11.94				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:           A"		Emplacement between 1440-1450 Ma.
16676	2	1228		1309.1		1444.5				1459	14	97	31		zircon	VS 9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	260		58	0.02	80.22	7.6	12.16				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          C"		Emplacement between 1440-1450 Ma.
16676	3	1133.6		1248.8		1453.7				1459	14	97	31		zircon	VS 9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	284		59	0.04	79.57	7.82	12.56				"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          E"		Emplacement between 1440-1450 Ma.
16677	1	1186.1		1249.1		1359.2				1362	7	36	39		zircon	SC 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	245		52	0.03	81.44	7.56	10.96			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          H"		
16677	2	1136.8		1215.3		1357.7				1362	7	36	39		zircon	SC 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	248		51	0.04	80.58	7.6	11.78			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          G"		
16677	3	1058.4		1159.5		1353.4				1362	7	36	39		zircon	SC 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	285		55	0.06	79.92	7.74	12.28			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          F"		
16677	4	1022.7		1134.8		1356.1				1362	7	36	39		zircon	SC 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	308		60	0.12	77.07	8.41	14.4			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          E"		
16678	1	1262.3		1297.7		1356.9				1371	14	93	38		zircon	SD 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	159		37	0.07	79.39	7.91	12.63			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          H"		
16678	2	1211.8		1265		1356.5				1371	14	93	38		zircon	SD 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	175		40	0.09	78.89	8.07	12.95			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          G"		
16678	3	1155.7		1227.7		1356.5				1371	14	93	38		zircon	SD 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	202		50	0.26	71.73	9.62	18.19			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          F"		
16678	4	1140.6		1218.3		1358.8				1371	14	93	38		zircon	SD 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	170		39	0.18	74.27	8.94	16.61			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          E"		
16678	5	1022.5		1142.1		1376.9				1371	14	93	38		zircon	SD 2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	223		48	0.24	72.05	9.72	17.99			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          D"
16679	1	1222		1266.7		1343.4				1359	11	98	29		zircon	MT 3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	164		50	0.24	39.3	46.02	14.44			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          NM(-1)"
16679	2	1197		1250.2		1343.4				1359	11	98	29		zircon	MT 3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	208		48	0.07	77.19	7.66	15.08			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          M(-1)"
16679	3	1154.8		1224.2		1348.8				1359	11	98	29		zircon	MT 3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	278		65	0.13	74.51	8.25	17.11			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          M(0)"
16679	4	1113.5		1199.8		1359				1359	11	98	29		zircon	MT 3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	333		71	0.07	76.87	7.66	15.39			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          M(1)"
16680	1	517		520		532.8				536	4	0	7		zircon	VS 3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	87		8	0.06	79.66	5.56	14.71			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          A'"
16680	2	515.8		519.9		537.5				536	4	0	7		zircon	VS 3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	95		8	0.04	80.6	5.28	14.07			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          B"
16680	3	499.2		506.5		539.5				536	4	0	7		zircon	VS 3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	102		9	0.13	76.92	6.33	16.62			age of intrusion	"A,B,C,... indicates decreasing mag susceptibility,  NM-non-mag, M-mag, #indicates side tilt on Frantz:          D"
16699	1	285		295		374				388	6				zircon	9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1902.7		86.71	0.01	85.45	4.71	9.83			maximum age of intrusion	size fraction 100-200
16700	1	332		339		386				388	6				zircon	8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	796.8		43.12	0.01	84.27	4.72	11			maximum age of intrusion	size fraction 100-200
16700	2	334		343		406				388	6				zircon	8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	833.5		46.21	0.01	82.59	4.64	12.76			maximum age of intrusion	size fraction 200-325
16701	1	345		351		396				399	8				zircon	47	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1060.5		59.99	0.04	84.2	5.14	10.62			maximum age of intrusion	size fraction 100-200
16701	2	198		214		400				399	8				zircon	47	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2223		70.86	0.03	84.56	5.08	10.33			maximum age of intrusion	size fraction 200-325
16702	1	215		230		384				388	6				zircon	10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1579.9		55.84	0	82.8	4.66	12.53			maximum age of intrusion	size fraction 100-200
16712	1	327		335		388									zircon	66	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1041.9		58.15	0.04	80.9	4.92	14.15			maximum age of intrusion	size fraction 100-200
16712	2	343		348		382									zircon	66	"1.55125E-04, 9.8485E-04, 4.9475E-05"	969.8		57.71	0.02	79.53	4.65	15.8			maximum age of intrusion	size fraction 200-325
16712	3	348		355		402									zircon	66	"1.55125E-04, 9.8485E-04, 4.9475E-05"	983.2		60.48	0.03	78.01	4.7	17.26			maximum age of intrusion	size fraction -325
16727	1	11.7	0.2	10.9	0.8	0								"18.78,15.57,38.97"	zircon	not given	"1.55125E-04, 9.8485E-04, 4.9475E-05"	125.1		398.5	0.37	56.34	7.94	35.34			age of intrusion	size fraction:  150-250
16727	2	11.5	0.1	11.7	0.5	0								"18.78,15.57,38.97"	zircon	not given	"1.55125E-04, 9.8485E-04, 4.9475E-05"	175.2		683	0.5	48.94	9.68	40.88			age meaning uncertain (geologic factors)	size fraction:  >250
16727	3	8.7	0.8	11.6	14	0								"18.78,15.57,38.97"	sphene	not given	"1.55125E-04, 9.8485E-04, 4.9475E-05"	50.7		1417	1.16	26.06	18.39	54.38			age meaning uncertain (geologic factors)	size fraction:  nonmagnetic
16727	4	9.7	0.5	18.9	9	0								"18.78,15.57,38.97"	sphene	not given	"1.55125E-04, 9.8485E-04, 4.9475E-05"	50.1		1415	1.14	25.97	18.11	54.77			age meaning uncertain (geologic factors)	size fraction:  magnetic
16731	1	895		953		1090				1097	58				zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"					77.4	5.9	16.7			age of intrusion	
16731	2	852		907		1044				1097	58				zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	766		109		85.4	6.3	8.3			age of intrusion	
16731	3	816		892		1084				1097	58				zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"					82.7	6.2	11.1			age of intrusion	
16731	4	806		867		1025				1097	58				zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"					82.1	6	11.9			age of intrusion	
16731	5	803		876	1064	0				1097	58				zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"					80.5	6	13.5			age of intrusion	
16731	6	800		880		1084				1097	58				zircon	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	660		90		82	6.2	11.8			age of intrusion	
16731	7	750		840		1086				1097	58				zircon	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	400		50		79.8	6	14.2			age of intrusion	
16731	8	725		831		1126				1097	58				zircon	8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	350		44		82.1	6.3	11.6			age of intrusion	
16731	9	692		792		1085				1097	58				zircon	9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	715		86		81.3	6.1	12.6			age of intrusion	
16731	10	613		694		968				1097	58				zircon	10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1930		203		81.1	5.8	13.1			age of intrusion	
16731	11	643		711		932				1097	58				zircon	F1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	958		153		56.6	4	39.5			age of intrusion	
16731	12	1049		1054		1064				1097	58				zircon	F2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1181		345		52.1	3.9	44			age of intrusion		
16731	13	986		1008		1055				1097	58				zircon	F3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	207		38		77.9	5.8	16.4			age of intrusion		
16731	14	1043		1054		1076				1097	58				zircon	F4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	657		134		73.3	5.5	21.2			age of intrusion		
16731	15	1033		1057		1107				1097	58				zircon	F5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	473		99		71.1	5.4	23.5			age of intrusion		
16731	16	984		1014		1080				1097	58				zircon	F6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	838		183		65.2	4.9	29.9			age of intrusion		
16731	17	902		953		1074				1097	58				zircon	F7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	518		81		75.8	5.7	18.5			age of intrusion		
16731	18	724	795	1002		0				1097	58				zircon	F8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2274		361		64.3	4.7	31			age of intrusion		
16731	19	699		779		1014				1097	58				zircon	F9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	561		73		75.4	5.5	19.1			age of intrusion		
16731	20	835		907		1086				1097	58				zircon	F10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	663		96		82.1	6.2	11.7			age of intrusion		
16731	21	1086		1081		1071				1097	58				zircon	F11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1120		335		53	3.9	43.1			age of intrusion		
16928	1	230.4		230.7		233	5			232.2	2.3	0	15		zircon	Y-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	693.5		21.68	0.02	82.08	4.48	13.42			age of intrusion	size fraction >200	Pb recorded in terms of 206Pb
16928	2	229		229.2		231	5			232.2	2.3	0	15		zircon	Y-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	694.8		21.58	0.03	81.67	4.52	13.79			age of intrusion	size fraction >200	Pb recorded in terms of 206Pb
16928	3	225.9		226.4		232	5			232.2	2.3	0	15		zircon	Y-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	852.7		26.12	0.03	81.21	4.5	14.27			age of intrusion	size fraction <200	Pb recorded in terms of 206Pb
16929	1	230.4		230.6		233	4			232.7	2.9	-3	10		zircon	W-35	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1812		56.66	0.01	79.61	4.26	16.11			age of intrusion	size fraction >200	Pb recorded in terms of 206Pb
16929	2	207.5		209.6		233	6			232.7	2.9	-3	10		zircon	W-35	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1940		54.52	0.03	78.6	4.47	16.89			age of intrusion	size fraction <200	Pb recorded in terms of 206Pb
16929	3	154		159		234	4			232.7	2.9	-3	10		zircon	W-35	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2469		51.28	0.01	78.85	4.19	16.95			age of intrusion	size fraction <200 mg	Pb recorded in terms of 206Pb
16930	1	169.1		169.3		172									zircon	Y-767	"1.55125E-04, 9.8485E-04, 4.9475E-05"	284.5		6.5	0.05	82.95	4.76	12.24			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16930	2	169.6		169.9		174	5								zircon	Y-767	"1.55125E-04, 9.8485E-04, 4.9475E-05"	319		7.31	0.05	83.54	4.81	11.59			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16930	3	169.1		169.3		172	11								zircon	Y-767	"1.55125E-04, 9.8485E-04, 4.9475E-05"	321		7.33	0.06	83.11	4.94	11.89			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16930	4	169.7		169.9		173	6								zircon	Y-767	"1.55125E-04, 9.8485E-04, 4.9475E-05"	317.1		7.27	0.05	83.48	4.85	11.62			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16930	5	169.5		169.6		171	5								zircon	Y-767	"1.55125E-04, 9.8485E-04, 4.9475E-05"	317.8		7.28	0.04	83.73	4.8	11.43			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16930	6	169.4		169.5		172	9								zircon	Y-767	"1.55125E-04, 9.8485E-04, 4.9475E-05"	316.8		7.24	0.05	83.44	4.83	11.68			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16930	7	169.4		169.4		169	7								zircon	Y-767	"1.55125E-04, 9.8485E-04, 4.9475E-05"	327.5		7.5	0.05	83.14	4.9	11.91			age of intrusion	size fraction >200	Pb recorded in terms of 206Pb
16930	8	169.5		169.5		169									zircon	Y-767	"1.55125E-04, 9.8485E-04, 4.9475E-05"	352.7		8.07	0.04	84.16	4.68	11.12			age of intrusion	size fraction <325	Pb recorded in terms of 206Pb
16931	1	168.5		168.8		173	11								zircon	Y-781	"1.55125E-04, 9.8485E-04, 4.9475E-05"	343.6		7.82	0.03	81.12	4.41	14.44			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16931	2	168.5		168.8		173	6								zircon	Y-781	"1.55125E-04, 9.8485E-04, 4.9475E-05"	486.3		11.06	0.02	80.73	4.24	15.02			age of intrusion	size fraction <200	Pb recorded in terms of 206Pb
16932	1	166.4		167		175	12								zircon	BK-45	"1.55125E-04, 9.8485E-04, 4.9475E-05"	504.4		11.33	0.03	82.33	4.51	13.14			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16932	2	166.6		166.7		168	8								zircon	BK-45	"1.55125E-04, 9.8485E-04, 4.9475E-05"	599		13.47	0.02	81.6	4.31	14.07			age of intrusion	size fraction <200	Pb recorded in terms of 206Pb
16933	1	165		165.3		170	6								zircon	BK-63	"1.55125E-04, 9.8485E-04, 4.9475E-05"	547.6		12.2	0.01	82.97	4.29	12.73			age of intrusion	size fraction <200	Pb recorded in terms of 206Pb
16934	1	166		166.1		168	8								zircon	Y-818	"1.55125E-04, 9.8485E-04, 4.9475E-05"	530.2		11.88	0.05	82.62	4.87	12.46			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16934	2	165.7		165.9		170	9								zircon	Y-818	"1.55125E-04, 9.8485E-04, 4.9475E-05"	484.8		10.84	0.05	82.76	4.85	12.34			age of intrusion	size fraction >100	Pb recorded in terms of 206Pb
16934	3	165.1		165.2		167	8								zircon	Y-818	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1005		22.14	0.05	82.7	4.88	12.36			age of intrusion	size fraction <200	Pb recorded in terms of 206Pb
16935	1	153.9		155		172	5								zircon	BK-38	"1.55125E-04, 9.8485E-04, 4.9475E-05"	518.3		10.75	0.01	81.98	4.25	13.76			age of intrusion	size fraction <200	Pb recorded in terms of 206Pb	
16936	1	1342		1587		0				2161	280	549	310	"18.67,15.66,38.39"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	306		76								"size fraction M(-1), bulk, detrital zircons"	U and Pb given above are total amts	Upper intercept is likely the detrital age of the zircon
16936	2	1355		1605		0				2161	280	549	310	"18.67,15.66,38.39"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	312		78								"size fraction NM(0), pink and orange"	U and Pb given above are total amts	Upper intercept is likely the detrital age of the zircon
16936	3	1252		1496		0				2161	280	549	310	"18.67,15.66,38.39"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	187		44								"size fraction NM(0), colorless, detrital zircon"	U and Pb given above are total amts	Upper intercept is likely the detrital age of the zircon
16936	4	1260		1565		0				2161	280	549	310	"18.67,15.66,38.39"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	263		62								"size fraction M(0), deep pink, detrital zircon"	U and Pb given above are total amts	Upper intercept is likely the detrital age of the zircon
16936	5	1245		1478		0				2161	280	549	310	"18.67,15.66,38.39"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	499		90								"size fraction M(0), bulk, detrital zircon"	U and Pb given above are total amts	Upper intercept is likely the detrital age of the zircon
16936	6	1145		1383		0				2161	280	549	310	"18.67,15.66,38.39"	zircon	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	620		128								"size fraction M(1), bulk, detrital zircon"	U and Pb given above are total amts	Upper intercept is likely the detrital age of the zircon
16936	7	955		1217		0				2161	280	549	310	"18.67,15.66,38.39"	zircon	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	898		152								"size fraction M(2), bulk, detrital zircon"	U and Pb given above are total amts	Upper intercept is likely the detrital age of the zircon
16951	1	1532		1967		2461	3			2520	110	196	32		zircon	RM-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1006		231.9	0	77.04	12.41	10.55				size fraction >100	Pb is reported in terms of 206Pb	"5-pt. isochron, upper intercept is the min age of xllization, lower intercept reflects multistage history of PB loss."
16951	2	1456		1911		2450	4			2520	110	196	32		zircon	RM-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1147		249.6	0.01	76.69	12.39	10.9				size fraction >100	Pb is reported in terms of 206Pb	"5-pt. isochron, upper intercept is the min age of xllization, lower intercept reflects multistage history of PB loss."
16951	3	484.5		848.6		1977	3			2520	110	196	32		zircon	RM-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2330		156.3	0.01	84.28	10.32	5.39				size fraction >200	Pb is reported in terms of 206Pb	"5-pt. isochron, upper intercept is the min age of xllization, lower intercept reflects multistage history of PB loss."
16951	4	440.6		791.1		1970	3			2520	110	196	32		zircon	RM-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2478		150.6	0.01	84.27	10.3	5.42				size fraction <200	Pb is reported in terms of 206Pb	"5-pt. isochron, upper intercept is the min age of xllization, lower intercept reflects multistage history of PB loss."
16951	5	426		767		1953	4			2520	110	196	32		zircon	RM-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2414		141.7	0.01	84.43	10.22	5.34				size fraction <325	Pb is reported in terms of 206Pb	"5-pt. isochron, upper intercept is the min age of xllization, lower intercept reflects multistage history of PB loss."
17076	1	279		435		1379		323		1734	212	98	27		zircon	83-90	"1.55125E-04, 9.8485E-04, 4.9475E-05"	593.7	128	28.11	0.0843	81.82	8.369	9.73			age of intrusion	size fraction -150+200		
17076	2	180		265		1107		194		1734	212	98	27		zircon	83-90	"1.55125E-04, 9.8485E-04, 4.9475E-05"	651.2	156.3	18.68	0.02	85.27	6.8	7.91			age of intrusion	size fraction -250+325		
17076	3	151		207		903		157		1734	212	98	27		zircon	83-90	"1.55125E-04, 9.8485E-04, 4.9475E-05"	673.7	172.9	16.93	0.0857	82.64	6.943	10.33			age of intrusion	size fraction -400		
17133	1	1300.4	25	1340.3	40	1404.6	15	1593	40					"16.25, 15.51, 35.73"	zircon	C2	"1.54E-04, 9.72E-04, 4.88E-05*"	570.1	284.2	151.4									Concordia age is interpreted to be 1420  40 m.y.
17134	1	1330.2	25	1344.3	40	1366.8	15	1245.8	30					"16.25, 15.51, 35.73"	zircon	C3	"1.54E-04, 9.72E-04, 4.88E-05*"	867.6	404.2	212.5									Concordia age is interpreted to be 1420  40 m.y.
17135	1	573	10	745	40	1338	15	13383	40					"16.25,15.51,35.73"	zircon	HWDT	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2877	813.5	320.3									Concordia age is interpreted to be 142040 m.y.
17166	1					0									whole rock	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			10.13								"black fragments, complete dissolution."	"Age of ore deposition 68,000 years."
17166	2					0									whole rock	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			7.1								"black fragments,  HNO3-leach"	"Age of ore deposition 67,200 years."
17187	1	0.6	0	0.5	0.1	0									whole rock	unc-a2	"1.55125E-04, 9.8485E-04, 4.9475E-05"			5.75									Age indicates time of ore emplacement.
17187	2	0.9	0.1	0.9	0.1	0									whole rock	unc-a4	"1.55125E-04, 9.8485E-04, 4.9475E-05"			3.64									Age indicates time of ore emplacement.
17187	3	0.5	0.1	0.5	0.2	0									whole rock	unc-a5-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			2.44									Age indicates time of ore emplacement.
17187	4	0.5	0.1	0.5	0.1	0									whole rock	unc-a5-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"			3.59									Age indicates time of ore emplacement.
17187	5	0.5	0.1	0.5	0.1	0									whole rock	unc-a5-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"			3.14									Age indicates time of ore emplacement.
17187	6	0.5	0.1	0.5	0.1	0									whole rock	unc-a5-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"			3.24									Age indicates time of ore emplacement.
17187	7	0.5	0.1	0.5	0.1	0									whole rock	unc-a5-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"			3.44									Age indicates time of ore emplacement.
17187	8	68.7	0.5	95.2	1	0									whole rock	unc-a6	"1.55125E-04, 9.8485E-04, 4.9475E-05"			193									Age indicates time of ore emplacement.
17188	1	0.8	0.4	0.8	0.9	0									whole rock	55g61	"1.55125E-04, 9.8485E-04, 4.9475E-05"			16.1									Age indicates time of ore emplacement.
17188	2	1	0.5	0.8	1.1	0									whole rock	58g61	"1.55125E-04, 9.8485E-04, 4.9475E-05"			5.9									Age indicates time of ore emplacement.
17189	1	1	0.1	1	0.3	0									whole rock	km-3-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			3.93									Age indicates time of ore emplacement.
17189	2	1.1	0.2	1.1	0.4	0									whole rock	km-10-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			3.68									Age indicates time of ore emplacement.	
17189	3	7.8	0.4	9.6	0.1	0									whole rock	km-17-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			51.2									Age indicates time of ore emplacement.	
17189	4					0									whole rock	km-17-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"												Age indicates time of ore emplacement.	
17189	5	1.1	0.1	1	0.2	0									whole rock	km-18-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			6.23									Age indicates time of ore emplacement.	
17189	6					0									whole rock	km-18-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"												Age indicates time of ore emplacement.	
17189	7	0.1	0.2	0	0.5	0									whole rock	km-29-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			2.77									Age indicates time of ore emplacement.	
17243	1	179.5		184.6		250	10					155	3.4		zircon	sci	"1.55125E-04, 9.8485E-04, 4.9475E-05"	549		13.42	0.06	79.18	4.89	15.88			age of volcanism			
17244	1	187.1		193.8		27.6	20								zircon	trw bulk	"1.55125E-04, 9.8485E-04, 4.9475E-05"	584		14.89	0.15	74.51	6.11	17.23						
17244	2	182.3		188.5		266	30								zircon	trw coarse	"1.55125E-04, 9.8485E-04, 4.9475E-05"	540		14.38	0.24	71.49	7.2	21.07						
17244	3	184.8		191.2		271	10								zircon	trw	"1.55125E-04, 9.8485E-04, 4.9475E-05"	643		16.19	0.09	76.91	5.33	17.66						
17244	4	163		165		197									zircon	Poway 2a	"1.55125E-04, 9.8485E-04, 4.9475E-05"	593		19.3	0.2	71.26	6.44	22.1						
17244	5	164		166		187									zircon	Poway 2b	"1.55125E-04, 9.8485E-04, 4.9475E-05"	586		17	0.05	77.24	4.57	18.14						
17244	6	209.2	0.6	209.5	0.8	213	5			213	7	53	76	"18.3,15.58,38.2"	zircon	tuk71	"1.55125E-04, 9.8485E-04, 4.9475E-05"	303		8.6	0.03	85.28	4.75	9.94			age of intrusion	Size fraction Nm(100)a5	There are in terms of 238U and 206Pb.	"No significance is attached to the lower age, because of the lg error associated w/ the concordia intercept"
17244	7	207.6	0.6	207.9	0.8	211	7			213	7	53	76	"18.3,15.58,38.2"	zircon	tuk71	"1.55125E-04, 9.8485E-04, 4.9475E-05"	317		9	0.05	84.56	5.06	10.32			age of intrusion	size fraction  Nm(100)a2	There are in terms of 238U and 206Pb	"No significance is attached to the lower age, because of the lg error associated w/ the concordia intercept."
17244	8	199.1	0.6	200.5	0.7	217	8			213	7	53	76	"18.3,15.58,38.2"	zircon	tuk 71	"1.55125E-04, 9.8485E-04, 4.9475E-05"	395		10.7	0.05	86.1	5.03	8.82			age of intrusion	size fraction Nm(-200c)	There are in terms of 238U and 206Pb	"No significance is attached to the lower age, because of the lg error associated w/ the concordia intercept"
17244	9	198.8	0.6	200.4	0.8	218	8			213	7	53	76	"18.3,15.58,38.2"	zircon	tuk 71	"1.55125E-04, 9.8485E-04, 4.9475E-05"	466		12.6	0.04	86.58	4.93	8.45			age of intrusion	size fraction Nm(200)	There are in terms of 238U and 206Pb	"No significance is attached to the lower age, because of the lg error associated w/ the concordia intercept"
17244	10	197.2	0.6	198	0.7	207	6			213	7	53	76	"18.3,15.58,38.2"	zircon	tuk 71	"1.55125E-04, 9.8485E-04, 4.9475E-05"	480		12.9	0.02	87.4	4.71	7.87			age of intrusion	size fraction Nm(-220c)	There are in terms of 238U and 206Pb	"No significance is attached to the lower age, because of the lg error associated w/ the concordia intercept"
17244	11	195.3	0.6	196.3	0.7	209	6			213	7	53	76	"18.3,15.58,38.2"	zircon	tuk 71	"1.55125E-04, 9.8485E-04, 4.9475E-05"	499		13.3	0.02	87.37	4.72	7.89			age of intrusion	size fraction Nm(-200F)	There are in terms of 238U and 206Pb	"No significance is attached to the lower age, because of the lg error associated w/ the concordia intercept"
17244	12	218.3	0.6	218.5	0.6	221	5							"18.47,15.60,38.30"	zircon	D-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	200		6	0.05	81.85	4.82	13.28			age of intrusion	size fraction Nm(100)	There are in terms of 238U and 206Pb	
17244	13	218.3	0.6	218.1	0.8	216	6							"18.47,15.60,38.30"	zircon	D-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	248		7.4	0.03	81.65	4.61	13.7			age of intrusion	size fraction Nm(200)	There are in terms of 238U and 206Pb	
17244	14	215.3	0.6	216.2	1.4	226	15							"18.47,15.60,38.30"	zircon	D-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	257		7.6	0.05	80.21	4.75	14.99				size fraction Nm(-200c)	There are in terms of 238U and 206Pb	
17245	1	114.8		112.6		0									zircon	mla-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1556.2	114.2	86.97	0.96	45.64	16.37	37.03			age of intrusion			Only the 206Pb / 238U ages are considered reliable
17246	1	114.3		113.9		0		76.3							zircon	MLb-69	"1.55125E-04, 9.8485E-04, 4.9475E-05"	372.3	138.9	7.12	0.12	82.73	5.81	11.34			age of intrusion			Only the 206Pb / 238U ages are considered reliable
17247	1	110.3		105.2		0		99.8							zircon	MLc-51	"1.55125E-04, 9.8485E-04, 4.9475E-05"	218.2	46.5	4.13	0.18	81.72	6.35	11.76			age of intrusion			Only the 206Pb / 238U ages are considered reliable
17248	1	115.1		120.8		0		112							zircon	MLc-154	"1.55125E-04, 9.8485E-04, 4.9475E-05"	22.1	57.2	4.24	0.12	82.81	5.92	11.15			age of intrusion			Only the 206Pb / 238U ages are considered reliable
17249	1	112.3		112.4		0		117.3							zircon	MLd-52	"1.55125E-04, 9.8485E-04, 4.9475E-05"	194.5	47.3	3.8	0.17	80.47	6.38	12.98			age of intrusion			Only the 206Pb / 238U ages are considered reliable
17250	1	123.6		119.4		0		120.1							zircon	MLc-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	234.8	57.7	5.06	0.18	80.55	6.38	12.89			age of intrusion			"Only the 206Pb / 238U ages are considered reliable, however, all age appear too old."
17311	1	1238		1312		1437				1445		98			zircon	GH-149A-78	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2434		518							age of intrusion	50		
17311	2	1320		1367		1444				1445		98			zircon	GH-149A-78	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1841		420							age of intrusion	50		
17311	3	1310		1358		1437				1445		98			zircon	GH-149A-78	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2021		467							age of intrusion	-250		
17312	1	1294		1376		1505				1500		0			zircon	GH-MG-75	"1.55125E-04, 9.8485E-04, 4.9475E-05"	9.3		3.3							age of intrusion	ALL SIZES		
17313	1	1217		1350		1567				1550		0			zircon	R21-79	"1.55125E-04, 9.8485E-04, 4.9475E-05"	546		119							age of intrusion	-50		
17313	2	1178		1314		1542				1550		0			zircon	R21-79	"1.55125E-04, 9.8485E-04, 4.9475E-05"	634		131							age of intrusion	-400		
17314	1	954		1175		1608				1655		100			zircon	PS	"1.55125E-04, 9.8485E-04, 4.9475E-05"	368		71.4							age of intrusion	250		
17314	2	1486		1554		1647				1655		100			zircon	PS	"1.55125E-04, 9.8485E-04, 4.9475E-05"	215		64							age of intrusion	75		
17324	1					1066				1320	80	380		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1764		204								BROWN ROUND SAMPLES.  MAG 3 *		AGE FOR THIS SUBSET OF THE POPULATION IS 1320 M.Y.
17324	2					1164				1320	80	380		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1439.4		200.8								BROWN ROUND SAMPLES.  MAG 2 *		AGE FOR THIS SUBSET OF THE POPULATION IS 1320 M.Y.
17324	3					992				1320	80	380		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3494		210								BROWN ROUND SAMPLES.  MAG 2 *		AGE FOR THIS SUBSET OF THE POPULATION IS 1320 M.Y.
17324	4					1160				1320	80	380		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1730.6		243.5								BROWN ROUND SAMPLES.  MAG 1 *		AGE FOR THIS SUBSET OF THE POPULATION IS 1320 M.Y.
17324	5					1232				1320	80	380		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2810		190								BROWN ROUND SAMPLES.  MAG 1 *		AGE FOR THIS SUBSET OF THE POPULATION IS 1320 M.Y.
17324	6					1134				1320	80	380		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"											BROWN ROUND SAMPLES.  MAG 1 *		AGE FOR THIS SUBSET OF THE POPULATION IS 1320 M.Y.
17324	7					1102				1320	80	380		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	888.2		127								BROWN ROUND SAMPLES.  NM+100		AGE FOR THIS SUBSET OF THE POPULATION IS 1320 M.Y.
17324	8					1106				1320	80	380		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1758.4		206.2								BROWN ROUND SAMPLES.  NM-100+200		AGE FOR THIS SUBSET OF THE POPULATION IS 1320 M.Y.
17324	9					978				1170	100	325		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2350		258								BROWN ELONGATE SAMPLES.  MAG 3*		AGE FOR THIS SUBSET OF POPULATION IS 1170 M.Y.
17324	10					1012				1170	100	325		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2242		249								BROWN ELONGATE SAMPLES.  MAG 3*		AGE FOR THIS SUBSET OF POPULATION IS 1170 M.Y.
17324	11					1026				1170	100	325		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2864		322								BROWN ELONGATE SAMPLES.  MAG 2*		AGE FOR THIS SUBSET OF POPULATION IS 1170 M.Y.
17324	12					1082				1170	100	325		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3333		413								BROWN ELONGATE SAMPLES.  NM-100+200		AGE FOR THIS SUBSET OF POPULATION IS 1170 M.Y.
17324	13					1060				1170	100	325		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3338		364								BROWN ELONGATE SAMPLES.  NM-100+200		AGE FOR THIS SUBSET OF POPULATION IS 1170 M.Y.
17324	14					1078				1170	100	325		"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1856		204								BROWN ELONGATE SAMPLES.  NM<200		AGE FOR THIS SUBSET OF POPULATION IS 1170 M.Y.
17324	15					1114				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	395		62								CLEAR ROUND SAMPLES.  MAG 3*		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	16					1300				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	301.9		60.8								CLEAR ROUND SAMPLES.  MAG 1*		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	17					1178				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	952		65								CLEAR ROUND SAMPLES.  MAG 1*		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	18					0				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"											CLEAR ROUND SAMPLES.  MAG 1*		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	19					1444				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	583		118								CLEAR ROUND SAMPLES.  NM+100		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	20					1144				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	508		94								CLEAR ROUND SAMPLES.  NM+100		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	21					1094				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	554		87								CLEAR ROUND SAMPLES.  NM+100		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	22					1118				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	269		40								CLEAR ROUND SAMPLES.  NM+100		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	23					1340				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	332.5		59.1								CLEAR ROUND SAMPLES.  NM-100+200		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	24					1128				2160		985	40	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	447		68								CLEAR ROUND SAMPLES.  NM<200		AGE FOR THIS SUBSET OF THE POPULATION IS 2160 M.Y.
17324	25					1466				2700	250	985	15	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	263		71								CLEAR ELONGATE SAMPLES.  MAG 3*		AGE FOR THIS SUBSET OF THE POPULATION IS 2700 M.Y.
17324	26					1138				2700	250	985	15	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	158		36								CLEAR ELONGATE SAMPLES.  MAG 3*		AGE FOR THIS SUBSET OF THE POPULATION IS 2700 M.Y.
17324	27					1240				2700	250	985	15	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	262		36								CLEAR ELONGATE SAMPLES.  MAG 2*		AGE FOR THIS SUBSET OF THE POPULATION IS 2700 M.Y.
17324	28					1205				2700	250	985	15	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	119		26								CLEAR ELONGATE SAMPLES.  MAG 2*		AGE FOR THIS SUBSET OF THE POPULATION IS 2700 M.Y.
17324	29					1271				2700	250	985	15	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	180		50								CLEAR ELONGATE SAMPLES.  MAG 2*		AGE FOR THIS SUBSET OF THE POPULATION IS 2700 M.Y.
17324	30					1097				2700	250	985	15	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	280		49								CLEAR ELONGATE SAMPLES.  MAG 1*		AGE FOR THIS SUBSET OF THE POPULATION IS 2700 M.Y.
17324	31					1096				2700	250	985	15	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	488		87								CLEAR ELONGATE SAMPLES.  NM+100		AGE FOR THIS SUBSET OF THE POPULATION IS 2700 M.Y.
17324	32					1362				2700	250	985	15	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	203		36								CLEAR ELONGATE SAMPLES.  NM-100+200		AGE FOR THIS SUBSET OF THE POPULATION IS 2700 M.Y.
17324	33					1056				2700	250	985	15	"18.02,15.45,38.65"	zircon	G78-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	248		28								CLEAR ELONGATE SAMPLES.  NM<200		AGE FOR THIS SUBSET OF THE POPULATION IS 2700 M.Y.
17345	1					0									zircon	K-77-27	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1129		59.8	0.0107	84.25	4.606	11.13				>100 NM		Age determined to be 320 m.y.
17345	2					0									zircon	K77-27	"1.55125E-04, 9.8485E-04, 4.9475E-05"	289		18.3	0.2117	72.92	6.943	19.93				<325  M		Age determined to be 320 m.y.
17346	1					0									zircon	yc-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	280		32.7	0.3657	61.77	8.795	29.07				<325		Age determined to be 470 m.y.
17346	2					0									zircon	yc-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	176		18.7	0.7791	47.87	13.88	37.47				<200   NM		Age determined to be 470 m.y.
17346	3					0									zircon	yc-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	324		31.9	0.178	66.95	6.558	26.31				>250  M		Age determined to be 470 m.y.
17347	1					0									zircon	yc-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	421		43.6	0.0115	76.05	4.769	19.17						Age determined to be 600 m.y.
17354	1					0				2950		"1,640.00"			zircon	22x-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"													
17355	1					0				2880		"1,750.00"			zircon	21-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"													
17413	1	1275		1830		2537		1916		2549	11	120	76	"18.7,15.6,38.2"	zircon	86bhegz-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	579.2	272.4	156.8	0.053	70.32	12.47	17.16				50		
17413	2	816		1424		2506		1399		2549	11	120	76	"18.7,15.6,38.2"	zircon	86bhegz-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1002.7	417	176.8	0.098	67.29	12.32	20.3				<-325 mineral		
17414	1	1490		1969		2519		1461		2549	11	120	76	"18.7,15.6,38.2"	zircon	86bhegz-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	609.4	363.8	185.2	0.016	73.89	12.47	13.63				Mineral -100+150		
17414	2	1576		2031		2532		1509		2549	11	120	76	"18.7,15.6,38.2"	zircon	86bhegz-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	582.8	371.6	189	0.01	73.66	12.45	13.88				Mineral -250+325		
17415	1	718		1194		2201		387		2392	230	163	120	"18.7,15.6,38.2,"	zircon	86BHBMZ-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1988.6	2216	312	0.22	67.85	12.22	19.71				50		
17415	2	611		1056		2144		268		2392	230	163	120	"18.7,15.6,38.2,"	zircon	86BHBMZ-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1582.2	1761	209.8	0.26	68.31	12.54	1889				50		
17415	3	577		1011	2127	308				2392	230	163	120	"18.7,15.6,38.2,"	zircon	86BHBMZ-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1669	1996	2136	0.25	66.54	12.03	21.18				50		
17415	4	496		905		2102		281		2392	230	163	120	"18.7,15.6,38.2,"	zircon	86BHBMZ-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1808.6	2048	197.7	0.25	66.56	11.91	21.29				75		
17415	5	600		1014		2066		290		2392	230	163	120	"18.7,15.6,38.2,"	zircon	86BHBMZ-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1618.5	1340	212.9	0.31	68.23	12.79	18.66				-100+150 am		
17415	6	725		1188		2167		332		2392	230	163	120	"18.7,15.6,38.2"	zircon	86BHBMZ-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1462.4	1076	218.4	0.23	71.93	12.74	15.1				-100+150anm		
17416	1	920	10	928	10	948	5								uraninite-pitchblende	675-72	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1050	547											Age of ore emplacement is 948 m.y.
17419	1	1496		1752		2072		1538		2170	120	320	380	"15.3,15.2,34.9."	zircon	NEMO	"1.55125E-04, 9.8485E-04, 4.9475E-05"	846	342	246	0.0445	78.05	10.59	11.32			age of intrusion	50		
17419	2	1496		1765		2101		1618		2170	120	320	380	"15.3,15.2,34.9."	zircon	NEMO	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1121	339	313	0.0146	80.75	10.71	8.528			age of intrusion	-200+250 heavy		
17419	3	1492		1754		2082		1602		2170	120	320	380	"15.3,15.2,34.9."	zircon	NEMO	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1148	339	317	0.0099	81.22	10.6	8.178			age of intrusion	-200+250 Light		
17420	1	1668		1795		1945		1650		1882.7	4.8	-2	42	"15.3,15.2,34.9."	zircon	Prairie Creek	"1.55125E-04, 9.8485E-04, 4.9475E-05"	279	492	120	0.0359	59.9	7.624	32.44			age of intrusion	50		
17420	2	1481		1656		1886		1356		1882.7	4.8	-2	42	"15.3,15.2,34.9."	zircon	Prairie Creek	"1.55125E-04, 9.8485E-04, 4.9475E-05"	608	1204	229	0.021	59.53	7.15	33.3			age of intrusion	100		
17421	1	1754		1842		1943		1533		1964	15	300	190	"15.3,15.2,34.9."	zircon	Bogus Jim	"1.55125E-04, 9.8485E-04, 4.9475E-05"	456	1140	219	0.006	56.35	6.794	36.85			age of intrusion	50		
17421	2	1798		1863		1936		1584		1964	15	300	190	"15.3,15.2,34.9."	zircon	Bogus Jim	"1.55125E-04, 9.8485E-04, 4.9475E-05"	403	919	193	0.0077	58.08	6.995	34.92			age of intrusion	-50+100 Abraded		
17421	3	2100		2043		1986		1980		1964	15	300	190	"15.3,15.2,34.9."	zircon	Bogus Creek	"1.55125E-04, 9.8485E-04, 4.9475E-05"	449	1103	270	0.008	55.33	6.858	37.8			age of intrusion	50		
17421	4	1717		1821		1942		1527		1964	15	300	190	"15.3,15.2,34.9."	zircon	Bogus Jim	"1.55125E-04, 9.8485E-04, 4.9475E-05"	459	1131	216	0.0108	56.13	6.827	37.03			age of intrusion	100		
17422	1	1384		1617		1940		1197		1974.4	8	143	20	"15.3,15.2,34.9."	zircon	-100+150 Lead Abraded	"1.55125E-04, 9.8485E-04, 4.9475E-05"	281	188	79.1	0.0809	74.32	9.921	15.68			age of intrusion			
17422	2	1147		1444		1914		989		1974.4	8	143	20	"15.3,15.2,34.9."	zircon	-150+200 Lead	"1.55125E-04, 9.8485E-04, 4.9475E-05"	345	238	82	0.1249	72.4	10.16	17.31			age of intrusion			
17422	3	1144		1442		1913		1032		1974.4	8	143	20	"15.3,15.2,34.9."	zircon	-250+325 Lead	"1.55125E-04, 9.8485E-04, 4.9475E-05"	413	265	93.9	0.0717	74.57	9.698	15.66			age of intrusion			
17422	4	1287		1549		1928		1207		1974.4	8	143	20	"15.3,15.2,34.9."	zircon	-325 Lead	"1.55125E-04, 9.8485E-04, 4.9475E-05"	346	211	88.3	0.057	75.26	9.653	15.03			age of intrusion			
17423	1	1496		1661		1877		1254		1884	29	70	140	"15.3,15.2,34.9."	zircon	Rochford Total	"1.55125E-04, 9.8485E-04, 4.9475E-05"	176	161	54.9	0.0425	72.85	8.936	18.17			age of intrusion			
17423	2	1494		1657		1870		1354		1884	29	70	140	"15.3,15.2,34.9."	zircon	-100+150 Rochford	"1.55125E-04, 9.8485E-04, 4.9475E-05"	136	112	42.5	0.0565	72.68	9.074	18.19			age of intrusion			
17423	3	1558		1698		1875		1398		1884	29	70	140	"15.3,15.2,34.9."	zircon	-100+150 Rochford Abraded	"1.55125E-04, 9.8485E-04, 4.9475E-05"	135	114	45.5	0.0917	71.26	9.406	19.24			age of intrusion			
17423	4	1337		1560		1875		1172		1884	29	70	140	"15.3,15.2,34.9."	zircon	-200+250 Rochford	"1.55125E-04, 9.8485E-04, 4.9475E-05"	143	112	39	0.0599	73.39	9.225	17.33			age of intrusion			
17423	5	1288		1521		1861		1110		1884	29	70	140	"15.3,15.2,34.9."	zircon	-325 Rochford	"1.55125E-04, 9.8485E-04, 4.9475E-05"	174	145	44.8	0.0232	74.21	8.756	17.01			age of intrusion			
17424	1	767		1046		1685		446		1727.7	4.3	55.3	1.7	"15.7,15.3,35.4."	zircon	-100+150 Sylvan Lake Stuby	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1234	438	202	0.3397	71.49	12.02	16.15			age of intrusion			
17424	2	274		459		1537		361		1727.7	4.3	55.3	1.7	"15.7,15.3,35.4."	zircon	Sylvan Lake -100+150	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4585	1608	282	0.3651	66.36	11.36	21.92			age of intrusion			
17424	3	1709		1712		1715		1702		1715.4	3.2	60	20	"15.7,15.3,35.4."	monazite	Sylvan Lake  Monajite	"1.55125E-04, 9.8485E-04, 4.9475E-05"	8499	69390	7920	0.0009	28.2	2.975	68.82			age of intrusion			
17425	1					0				1715.4	3.2	60	20	"15.7,15.3,35.4."	Unk		"1.55125E-04, 9.8485E-04, 4.9475E-05"													
17456	1	41.1		45.5		28.7		41.8		2350		38.9	0.9	"18.4,15.6,38.3."	zircon	m81pr-82	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1897	487	12.09	0.0257	76.69	4.888	8.397			age of intrusion	-150+200 size fraction		Lower intercept is xllization age_____repeat for mext 3.
17456	2	39.6		41.9		174		40.2		2350		38.9	0.9	"18.4,15.6,38.3."	zircon	m81pr-82	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2295	715	14.68	0.0585	84.06	5.025	10.85			age of intrusion	75		
17456	3	39.6		40.4		93		39.4		2350		38.9		"18.4,15.6,38.3."	zircon	m81pr-82	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2866	1397	18.58	0.0178	82.06	4.192	13.74				-400		
17457	1	152		154		183		143						"18.4,15.6,38.3."	zircon	m80pr-19	"1.55125E-04, 9.8485E-04, 4.9475E-05"	5728	1544	133.2	0.0041	88.09	4.442	7.468				50		
17457	2	149		150		175		147						"18.4,15.6,38.3."	zircon	m80pr-19	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4528	1478	105.9	0.0035	85.83	4.307	9.862				50		
17457	3	155		155		167		151						"18.4,15.6,38.3."	zircon	m80pr-19	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4369	1326	104.7	0.0024	87.11	4.339	8.551				50		
17457	4					0								"18.4,15.6,38.3."	zircon	m80pr-19	"1.55125E-04, 9.8485E-04, 4.9475E-05"											50		
17457	5	154		155		168		152						"18.4,15.6,38.3."	zircon	m80pr-19	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4465	1457	107.6	0.004	86.45	4.332	9.219				75		
17457	6	154		155		164		149						"18.4,15.6,38.3."	zircon	m80pr-19	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4671	1658	113.3	0.0025	85.98	4.28	9.737				75		
17466	1					0				1115	12				zircon	A1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1003		175	0.01	86.64	6.74	6.61				Size fraction   R200NM		Upper intercept is age of granite.
17466	2					0				1115	12				zircon	A2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1088		185	0.02	86.09	6.8	7.09				Size fraction   R200M		Upper intercept is age of granite.
17466	3					0				1115	12				zircon	A2	"1.55125E-04, 9.8485E-04, 4.9475E-05"											Size fraction   R200M		Upper intercept is age of granite.
17466	4					0				1115	12				zircon	A3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1198		200	0.02	85.83	6.75	7.4				Size fraction   R200MM		Upper intercept is age of granite.
17466	5					0				1115	12				zircon	A3	"1.55125E-04, 9.8485E-04, 4.9475E-05"											Size fraction   R200MM		Upper intercept is age of granite.
17467	1					0				1115	12				zircon	B1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3724		499	0.07	87.14	7.37	5.42				Size fraction   R200		Upper intercept is age of granite.
17467	2					0				1115	12				zircon	B2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3967		539	0.07	87.17	7.31	5.44				Size fraction   R285		Upper intercept is age of granite.
17467	3					0				1115	12				zircon	B3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4078		547	0.08	87.17	7.29	5.46				Size fraction   R285 M		Upper intercept is age of granite.
17478	1	892		918		980		960							zircon	133c	"1.55125E-04, 9.8485E-04, 4.9475E-05"	437.9	174	68.3										Age reported to be 980
17479	1	977		975		970		959							zircon	86A1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	93.3	38.1	16.2										
17480	1	991		1006		1040		675							zircon	460A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	252.5	120	42.6										
17481	1	999		1279		1787		1695							zircon	83A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	268	74	92.5										
17482	1	932		950		993		857							zircon	157A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	623.1	343.1	108.9										Slightly discordant age reported to be 993
17483	1	65.2	0.3	65.6	0.3	78	6							"19.25,15.73,38.78."	zircon	op-d	"1.55125E-04, 9.8485E-04, 4.9475E-05"	370.4		3.57	0.07	90.63	4.31	4.99				size fraction  d-1	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	Xllization age of Oval Peak batholith is interpreted to be 65 Ma based on the most concordant zircon fraction.
17483	2	61.3	0.3	62.4	0.4	103.9	11							"19.25,15.73,38.78."	zircon	op-d	"1.55125E-04, 9.8485E-04, 4.9475E-05"	379.6		3.45	0.09	90.38	4.35	5.18				size fraction  d-2	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	Xllization age of Oval Peak batholith is interpreted to be 65 Ma based on the most concordant zircon fraction.
17483	3	64.1	0.3	64.5	0.4	77.6	7							"19.25,15.73,38.78."	zircon	op-d	"1.55125E-04, 9.8485E-04, 4.9475E-05"	391.9		3.72	0.08	90.51	4.31	5.1				size fraction  d-2 (#2)	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	Xllization age of Oval Peak batholith is interpreted to be 65 Ma based on the most concordant zircon fraction.
17483	4					0								"19.25,15.73,38.78."	zircon	op-d	"1.55125E-04, 9.8485E-04, 4.9475E-05"											size fraction  d-2 (#2)	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	Xllization age of Oval Peak batholith is interpreted to be 65 Ma based on the most concordant zircon fraction.
17484	1	61.4	0.3	61.6	0.3	72.1	5							"19.25,15.73,38.78."	zircon	op-F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	318.9		2.9	0.04	90.44	4.29	5.23				size fraction  d-2	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17484	2	60.8	0.3	62.8	0.5	138.5	13							"19.25,15.73,38.78."	zircon	op-F	"1.55125E-04, 9.8485E-04, 4.9475E-05"	267.7		2.44	0.07	89.23	4.36	6.34				nml	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17485	1	59.9	0.3	60.3	0.3	75.8	3							"19.25,15.73,38.78."	zircon	CAS-LE	"1.55125E-04, 9.8485E-04, 4.9475E-05"	515.3		4.57	0.12	90.42	4.3	5.16				d-2	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17485	2					0								"19.25,15.73,38.78."	zircon	CAS-LE	"1.55125E-04, 9.8485E-04, 4.9475E-05"											d-2	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17485	3	58.2	0.3	59	0.4	91.7	9							"19.25,15.73,38.78."	zircon	CAS-LE	"1.55125E-04, 9.8485E-04, 4.9475E-05"	876.9		7.55	0.07	90.5	4.33	5.1				nml	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17485	4					0								"19.25,15.73,38.78."	zircon	CAS-LE	"1.55125E-04, 9.8485E-04, 4.9475E-05"											nml	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17486	1	49.3	0.2	50.3	0.6	95.6	25							"19.25,15.73,38.78."	zircon	MY-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	383.4		2.81	0.2	90	4.31	5.49				nml	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17486	2					0								"19.25,15.73,38.78."	zircon	MY-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"											nml	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17486	3	66.6	0.3	72	0.3	254.5	3							"19.25,15.73,38.78."	zircon	MY-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	670		6.65	0.03	89.99	4.62	5.36				nm10	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17486	4					0								"19.25,15.73,38.78."	zircon	MY-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"											nm10	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17487	1	87.1	0.4	87.9	0.5	109.4	9							"19.25,15.73,38.78."	zircon	BMG	"1.55125E-04, 9.8485E-04, 4.9475E-05"	247.3		3.4	0.12	85.03	4.1	10.76				d-1	"in all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	xllization age is interpreted to be 87 Ma.
17487	2	87.3	0.4	87.1	0.5	73.2	10							"19.25,15.73,38.78."	zircon	BMG	"1.55125E-04, 9.8485E-04, 4.9475E-05"	195		2.67	0.07	85.53	4.08	10.32				nm4	"In all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17487	3					0								"19.25,15.73,38.78."	zircon	BMG	"1.55125E-04, 9.8485E-04, 4.9475E-05"											nm4	"In all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17487	4	86.8	0.4	87.5	0.5	105.8	6							"19.25,15.73,38.78."	zircon	BMG	"1.55125E-04, 9.8485E-04, 4.9475E-05"	205.1		2.81	0.15	85.1	4.1	10.65				nm4 (#2)	"In all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17487	5					0								"19.25,15.73,38.78."	zircon	BMG	"1.55125E-04, 9.8485E-04, 4.9475E-05"											nm4 (#2)	"In all cases, this is radiogenic Pb. 206Pb/204Pb is the measured ratio corrected for mass fractionation. All other ratios are corrected for."	
17535	1					0									whole rock	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	18.73	79.19	26.19							age of intrusion			"Age, determined from whole rock isochron of all samples is 2530(+-) 80my"
17535	2					0									whole rock	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	8.67	35.94	33.33							age of intrusion			"Age, determined from whole rock isochron of all samples is 2530(+-) 80my"
17537	1					0									whole rock	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.8	18.37	21.37							age of intrusion			"Age, determined from whole rock isochron of all samples is 2530(+-) 80my"
17538	1					0									whole rock	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.92	11.53	70.89							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17539	1					0									whole rock	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.5	15.42	49.46							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17540	1					0									whole rock	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.04	52.68	16.92							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17541	1					0									whole rock	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.73	9.04	23.17							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17542	1					0									whole rock	8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	5.9	39.72	15.14							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17543	1					0									whole rock	9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4.87	18.81	36.51							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17544	1					0									whole rock	10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	52.1	25.24	35.28							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17545	1					0									whole rock	11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4.84	19.64	35.29							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17546	1					0									whole rock	12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.22	19.26	33.21							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17547	1					0									whole rock	13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	45.01	24.45	39.94							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17548	1					0									whole rock	14	"1.55125E-04, 9.8485E-04, 4.9475E-05"	36.63	21.5	38.63							age of intrusion			"Age, determined from whole rock isochron of all samples, is 2530(+-)my."
17549	1					0									whole rock	1	Not given	0.33	7.43	25.75										Age of 2950 m.y. base on 7 pt isochron.
17550	1					0									whole rock	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.86	13.89	14.26										Age of 2950 m.y. base on 7 pt isochron.
17551	1					0									whole rock	3	Not given	0.47	9.76	9.03										Age of 2950 m.y. base on 7 pt isochron.
17551	2					0									whole rock	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"													Age of 2950 m.y. base on 7 pt isochron.
17552	1					0									whole rock	4	not given	0.74	9.47	19.93										Age of 2950 m.y. base on 7 pt isochron.
17553	1					0									whole rock	5	not given	1.12	20.26	17.15										Age of 2950 m.y. base on 7 pt isochron.
17554	1					0									whole rock	6	not given	3.71	25.04	38.19										Age of 2950 m.y. base on 7 pt isochron.
17554	2					0									whole rock	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"													Age of 2950 m.y. base on 7 pt isochron.
17555	1					0									whole rock	7	not given	2.22	19.09	19.21										Age of 2950 m.y. base on 7 pt isochron.
17555	2					0									whole rock	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"													Age of 2950 m.y. base on 7 pt isochron.
17556	1					0									whole rock	8	not given	4.09	36.65	35.89										is 2790 m.y..
17557	1					0									whole rock	9	not given	3.91	35.32	19.01										Is 2790 m.y..
17557	2					0									Unk		"1.55125E-04, 9.8485E-04, 4.9475E-05"													Is 2790 m.y..
17566	1	24.3		26.6		410									whole rock	GH-A6	"1.55125E-04, 9.8485E-04, 4.9475E-05"												PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17567	1	19.3		28.4		890									whole rock	GH-A8	"1.55125E-04, 9.8485E-04, 4.9475E-05"			5.8									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17568	1	17.5		40.8		1790									whole rock	GH-b1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			1.4									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17569	1	12.2		17.8		870									whole rock	GH-b2	"1.55125E-04, 9.8485E-04, 4.9475E-05"			7.5									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17570	1	18.7		22.1		300									whole rock	GH-b15	"1.55125E-04, 9.8485E-04, 4.9475E-05"			9.4									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17571	1	31.5		27	-350	0									whole rock	GH-b20a	"1.55125E-04, 9.8485E-04, 4.9475E-05"			0.9									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17572	1	29.1		33.3	340	0									whole rock	GH-b20b	"1.55125E-04, 9.8485E-04, 4.9475E-05"			7.6									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17573	1	16.8		25.3	930	0									whole rock	GH-b22	"1.55125E-04, 9.8485E-04, 4.9475E-05"			25.4									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17574	1	17.6		20.9		420									whole rock	GH-b23	"1.55125E-04, 9.8485E-04, 4.9475E-05"			14.5									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17575	1	27.8		30.1		220									whole rock	GH-b26	"1.55125E-04, 9.8485E-04, 4.9475E-05"			4.2									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17576	1	25.4		26.3		115									whole rock	GH-BHG	"1.55125E-04, 9.8485E-04, 4.9475E-05"			0.7									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17577	1	17.3		21.3		500									whole rock	CG-A1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			11									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17578	1	30.4		32.1		160									whole rock	CG-A4	"1.55125E-04, 9.8485E-04, 4.9475E-05"			14									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17579	1	27.8		27.6		5									whole rock	CG-A5	"1.55125E-04, 9.8485E-04, 4.9475E-05"			7.5									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17580	1	32.7		35.4		220									whole rock	CG-A8	"1.55125E-04, 9.8485E-04, 4.9475E-05"			0.1									PB- GIVEN IN TERMS OF COMMON PB.	Mineralization probably occurred in the interval of 28 to 43 m.y. ago.
17581	1	16.9		28.4		1150									uraninite-pitchblende	A2-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"			20										Time of ore formation is between 24 and 35 m.y. ago.
17581	2	6.1		20.1		2390									uraninite-pitchblende	A2-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"			249										Time of ore formation is between 24 and 35 m.y. ago.
17581	3	6.1		18.3		2220									uraninite-pitchblende	A2-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"			15										Time of ore formation is between 24 and 35 m.y. ago.
17581	4	13.6		18		650									uraninite-pitchblende	A5	"1.55125E-04, 9.8485E-04, 4.9475E-05"			17										Time of ore formation is between 24 and 35 m.y. ago.
17581	5	9.3		20.2		1640									uraninite-pitchblende	A7	"1.55125E-04, 9.8485E-04, 4.9475E-05"			10										Time of ore formation is between 24 and 35 m.y. ago.
17581	6	91.6		114		610									pyrite	A2	"1.55125E-04, 9.8485E-04, 4.9475E-05"			16										Time of ore formation is between 24 and 35 m.y. ago.
17581	7					0									pyrite	A2	"1.55125E-04, 9.8485E-04, 4.9475E-05"													Time of ore formation is between 24 and 35 m.y. ago.
17581	8	277		267		170									pyrite	A5	"1.55125E-04, 9.8485E-04, 4.9475E-05"			29										Time of ore formation is between 24 and 35 m.y. ago.
17581	9	109		125		430									pyrite	A7	"1.55125E-04, 9.8485E-04, 4.9475E-05"			33										Time of ore formation is between 24 and 35 m.y. ago.
17581	10	23.2		27.7		450									Whole ore deposit.	A2	"1.55125E-04, 9.8485E-04, 4.9475E-05"			3.5								Whole ore deposit.		Time of ore formation is between 24 and 35 m.y. ago.
17581	11	18.1		22.9		560									Whole ore deposit.	A5	"1.55125E-04, 9.8485E-04, 4.9475E-05"			4.1								Whole ore deposit.		Time of ore formation is between 24 and 35 m.y. ago.
17581	12					0									Whole ore deposit.	A5	"1.55125E-04, 9.8485E-04, 4.9475E-05"											Whole ore deposit.		Time of ore formation is between 24 and 35 m.y. ago.
17581	13	17.5		24.9		810									Whole ore deposit.	A7	"1.55125E-04, 9.8485E-04, 4.9475E-05"			3.7								Whole ore deposit.		Time of ore formation is between 24 and 35 m.y. ago.
17581	14					0									Whole ore deposit.	A7	"1.55125E-04, 9.8485E-04, 4.9475E-05"											Whole ore deposit.		Time of ore formation is between 24 and 35 m.y. ago.
17581	15	88.7		23.2		-5850									Charcoal	A2	"1.55125E-04, 9.8485E-04, 4.9475E-05"			8.2								Charcoal		Time of ore formation is between 24 and 35 m.y. ago.
17585	1	1920	10	1924	14	1928	24							"15.5,15.3,35.4."	whole rock	usgs(D)HRP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	192.3		79.2	0.2531	76.43	12.44	10.88			age of volcanism	Split 1		
17585	1	1920	10	1924	14	1928	24							"15.5,15.3,35.4"	whole rock	USGS(D)HRP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	192.3		79.2	0.253	76.43	12.44	10.88			age of volcanism			
17585	2	1950	10	1942	14	1934	24							"15.5,15.3,35.4."	whole rock	USGS(D)HRP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	191.2		80.8	0.2614	75.99	12.53	11.22			age of volcanism	Split 2		
17585	2	1950	10	1942	14	1934	24							"15.5,15.3,35.4"	whole rock	USGS(D)HRP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	191.2		80.8	0.2614	75.99	12.53	11.22			age of volcanism			
17586	1	1516	8	1620	10	1762	16							"15.5,15.3,35.4."	whole rock	usgs(D)77-B-30	"1.55125E-04, 9.8485E-04, 4.9475E-05"	702.9		185.3	0.0594	87.36	10.22	1.353						Ages discordant and probably reflect secondary uranium and or lead mobility at some time after sedimentation.
17591	1	1662		1714		1777				1780	6				zircon	81-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	275		87							age of intrusion	Hp MAG/NON-MAG-tilt		
17591	2	1627		1691		1773				1780	6				zircon	81-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	305		93							age of intrusion	Hp MAG/NON-MAG-tilt		
17591	3	1588		1670		1773				1780	6				zircon	81-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	337		101							age of intrusion	M-O		
17591	4	1562		1654		1772				1780	6				zircon	81-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	378		111							age of intrusion	MAG/NON-MAG-tilt  M-1		
17591	5	1502		1617		1769				1780	6				zircon	81-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	412		118							age of intrusion	MAG/NON-MAG-tilt  M-2		
17592	1	1038		1292		1742									zircon	81-18	"1.55125E-04, 9.8485E-04, 4.9475E-05"	370		77							age of metamorphic crystallization	MAG/NON-MAG-tilt  (total)		
17593	1	1415		1561		1765				1779	5				zircon	81-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	294		78							age of intrusion	MAG/NON-MAG-tilt  nm-0		
17593	2	1328		1502		1758				1779	5				zircon	81-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	378		97							age of intrusion	MAG/NON-MAG-tilt  m-0		
17593	3	1130		1361		1746				1779	5				zircon	81-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	518		115							age of intrusion	MAG/NON-MAG-tilt  m-2		
17593	4	1025		1279		1735				1779	5				zircon	81-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	574		119							age of intrusion	MAG/NON-MAG-tilt  m-3		
17594	1	1462		1577		1734				1744	14				zircon	81-24	"1.55125E-04, 9.8485E-04, 4.9475E-05"	300		84							age of intrusion	MAG/NON-MAG-tilt  (HP)		
17594	2	1387		1523		1718				1744	14				zircon	81-24	"1.55125E-04, 9.8485E-04, 4.9475E-05"	431		109							age of intrusion	MAG/NON-MAG-tilt  nm-1		
17594	3	1277		1449		1712				1744	14				zircon	81-24	"1.55125E-04, 9.8485E-04, 4.9475E-05"	506		117							age of intrusion	MAG/NON-MAG-tilt  m-1
17594	4	1180		1382		1710				1744	14				zircon	81-24	"1.55125E-04, 9.8485E-04, 4.9475E-05"	628		136							age of intrusion	MAG/NON-MAG-tilt  m-3
17594	5	1133		1346		1704				1744	14				zircon	81-24	"1.55125E-04, 9.8485E-04, 4.9475E-05"	987		136							age of intrusion	MAG/NON-MAG-tilt  m-4
17595	1	1978		2337		2666				2683	6				zircon	81-40	"1.55125E-04, 9.8485E-04, 4.9475E-05"	395		168							age of metamorphic crystallization	MAG/NON-MAG-tilt  nm-0
17595	2	1961		2326		2663				2683	6				zircon	81-40	"1.55125E-04, 9.8485E-04, 4.9475E-05"	411		173							age of metamorphic crystallization	MAG/NON-MAG-tilt  m-0
17595	3	1675		2155		2650				2683	6				zircon	81-40	"1.55125E-04, 9.8485E-04, 4.9475E-05"	499		178							age of metamorphic crystallization	MAG/NON-MAG-tilt  m-2
17595	4	1438		1997		2639				2683	6				zircon	81-40	"1.55125E-04, 9.8485E-04, 4.9475E-05"	557		170							age of metamorphic crystallization	MAG/NON-MAG-tilt  m-4
17596	1	1582		1628		1688				1684	5				zircon	82-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	375		102							age of volcanism	MAG/NON-MAG-tilt  nm-0
17596	2	1546		1609		1691				1684	5				zircon	82-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	612		164							age of volcanism	MAG/NON-MAG-tilt  m-0
17596	3	1495		1580		1695				1684	5				zircon	82-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	639		167							age of volcanism	MAG/NON-MAG-tilt  m-1
17596	4	1405		1526		1699				1684	5				zircon	82-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1093		267							age of volcanism	MAG/NON-MAG-tilt  m-3
17596	5	1469		1563		1693				1684	5				zircon	82-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1461		368							age of volcanism	MAG/NON-MAG-tilt  m-3 4      AA
17597	1	1577		1599		1629				1618	22				zircon	82-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	515		138							age of volcanism	MAG/NON-MAG-tilt  nm(-1)
17597	2	1560		1586		1621				1618	22				zircon	82-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	609		165							age of volcanism	MAG/NON-MAG-tilt  m(-1)
17597	3	1500		1566		1655				1618	22				zircon	82-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	894		233							age of volcanism	MAG/NON-MAG-tilt  m-0
17597	4	1453		1535		1649				1618	22				zircon	82-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	589		151							age of volcanism	MAG/NON-MAG-tilt  m-1
17598	1	2324		2218		2418				2429	4				zircon	82-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	262		128							age of intrusion	MAG/NON-MAG-tilt  nm(-1)
17598	2	2147		2289		2418				2429	4				zircon	82-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	296		139							age of intrusion	MAG/NON-MAG-tilt  m(-1)
17598	3	2013		2216		2410				2429	4				zircon	82-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	341		152							age of intrusion	MAG/NON-MAG-tilt  m-0
17598	4	1813		2101		2395				2429	4				zircon	82-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	426		171							age of intrusion	MAG/NON-MAG-tilt  m-1
17599	1	1606		1674		1759				1763	6				zircon	82-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	406		131							age of intrusion	MAG/NON-MAG-tilt  nm(1)
17599	2	1577		1656		1758				1763	6				zircon	82-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	483		144							age of intrusion	MAG/NON-MAG-tilt  m(1)
17599	3	1519		1622		1759				1763	6				zircon	82-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	534		155							age of intrusion	MAG/NON-MAG-tilt  m(2)
17599	4	1447		1576		1755				1763	6				zircon	82-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	616		172							age of intrusion	MAG/NON-MAG-tilt  m(3)
17600	1	1422		1505		1624				1627	4				zircon	82-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	248		67							maximum age of intrusion	MAG/NON-MAG-tilt  nm(0)
17600	2	1288		1417		1619				1627	4				zircon	82-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	361		91							maximum age of intrusion	MAG/NON-MAG-tilt  m(0)
17600	3	1149		1322		1614				1627	4				zircon	82-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	494		112							maximum age of intrusion	MAG/NON-MAG-tilt  m(1)
17600	4	1021		1228		1612				1627	4				zircon	82-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	674		137							maximum age of intrusion	MAG/NON-MAG-tilt  m(2)
17600	5	945		1167		1607				1627	4				zircon	82-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	776		145							maximum age of intrusion	MAG/NON-MAG-tilt  m(3)
17601	1	1560		1636		1734				1735	8				zircon	82-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	543		149							age of intrusion	MAG/NON-MAG-tilt  nm(0)
17601	2	1536		1622		1737				1735	8				zircon	82-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	657		177							age of intrusion	MAG/NON-MAG-tilt  m(0)
17601	3	1452		1568		1728				1735	8				zircon	82-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	687		179							age of intrusion	MAG/NON-MAG-tilt  m(1)
17601	4	1383		1529		1737				1735	8				zircon	82-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	892		219							age of intrusion	MAG/NON-MAG-tilt  m(2)
17601	5	1280		1461		1734				1735	8				zircon	82-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1081		248							age of intrusion	MAG/NON-MAG-tilt  m(3) coarse
17601	6	1256		1443		1731				1735	8				zircon	82-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	970		215							age of intrusion	MAG/NON-MAG-tilt  m(3) fine
17602	1	1545		1628		1736				1746	6				zircon	82-12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	367		100							age of intrusion	MAG/NON-MAG-tilt  nm(0)
17602	2	1458		1572		1729				1746	6				zircon	82-12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	464		119							age of intrusion	MAG/NON-MAG-tilt  m(0)
17602	3	1318		1478		1715				1746	6				zircon	82-12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	617		141							age of intrusion	MAG/NON-MAG-tilt  m(1)
17602	4	1078		1303		1695				1746	6				zircon	82-12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	851		158							age of intrusion	MAG/NON-MAG-tilt  m(2)
17603	1	1562		1640		1741				1765	8				zircon	82-12B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	358		101							age of intrusion	MAG/NON-MAG-tilt  nm(0)
17603	2	1419		1548		1730				1765	8				zircon	82-12B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	461		117							age of intrusion	MAG/NON-MAG-tilt  m(0)
17603	3	1300		1466		1714				1765	8				zircon	82-12B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	547		128							age of intrusion	MAG/NON-MAG-tilt  m(1)
17603	4	1108		1313		1667				1765	8				zircon	82-12B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	861		171							age of intrusion	MAG/NON-MAG-tilt  m(2)
17603	5	888		1122		1607				1765	8				zircon	82-12B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1490		244							age of intrusion	MAG/NON-MAG-tilt  m(4)
17604	1	1566		1657		1775				1792	15				zircon	82-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	304		111							age of intrusion	MAG/NON-MAG-tilt  nm(1)a
17604	2	1561		1652		1769				1792	15				zircon	82-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	300		109							age of intrusion	MAG/NON-MAG-tilt  nm(1)b
17604	3	1505		1621		1774				1792	15				zircon	82-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	348		132							age of intrusion	MAG/NON-MAG-tilt  m(1)
17604	4	1423		1560		1750				1792	15				zircon	82-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	398		156							age of intrusion	MAG/NON-MAG-tilt  m(2)
17604	5	1348		1511		1747				1792	15				zircon	82-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	478		194							age of intrusion	MAG/NON-MAG-tilt  m(3)
17604	6	1296		1475		1745				1792	15				zircon	82-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	495		206							age of intrusion	MAG/NON-MAG-tilt  m(4)
17605	1	893		1143		1653									zircon	82-15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	463		73							age of intrusion	MAG/NON-MAG-tilt  total
17606	1	2449		2587		2698				2710	10				zircon	82-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	83		47							age of intrusion	MAG/NON-MAG-tilt  nm(-2)
17606	2	2431		2579		2697				2710	10				zircon	82-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	91		51							age of intrusion	MAG/NON-MAG-tilt  m(-2)
17606	3	2371		2549		2694				2710	10				zircon	82-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	94		50							age of intrusion	MAG/NON-MAG-tilt  m(-1)
17606	4	2284		2501		2682				2710	10				zircon	82-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	102		53							age of intrusion	MAG/NON-MAG-tilt  m(0)
17606	5	2191		2456		2684				2710	10				zircon	82-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	116		57							age of intrusion	MAG/NON-MAG-tilt  m(1)
17606	6	2239		2481		2685				2710	10				zircon	82-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	103		53							age of intrusion	MAG/NON-MAG-tilt  m(2)
17607	1	1405		1532		1712				1720	8				zircon	82-17	"1.55125E-04, 9.8485E-04, 4.9475E-05"	835		211							age of intrusion	MAG/NON-MAG-tilt  nm(1)
17607	2	1322		1476		1705				1720	8				zircon	82-17	"1.55125E-04, 9.8485E-04, 4.9475E-05"	918		220							age of intrusion	MAG/NON-MAG-tilt  m(1)
17607	3	1190		1385		1700				1720	8				zircon	82-17	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1001		213							age of intrusion	MAG/NON-MAG-tilt  m(2)
17607	4	1077		1303		1697				1720	8				zircon	82-17	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1097		208							age of intrusion	MAG/NON-MAG-tilt  m(3)
17608	1	1539		1642		1777									zircon	82-18	"1.55125E-04, 9.8485E-04, 4.9475E-05"	52		16							age of intrusion	MAG/NON-MAG-tilt  total
17609	1	1558		1651		1772				1777	4				zircon	82-20	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1362		379							age of intrusion	MAG/NON-MAG-tilt  nm(0)
17609	2	1513		1624		1772				1777	4				zircon	82-20	"1.55125E-04, 9.8485E-04, 4.9475E-05"	823		222							age of intrusion	MAG/NON-MAG-tilt  m(0)
17609	3	1420		1566		1768				1777	4				zircon	82-20	"1.55125E-04, 9.8485E-04, 4.9475E-05"	908		229							age of intrusion	MAG/NON-MAG-tilt  m(1)
17609	4	1286		1477		1764				1777	4				zircon	82-20	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1053		240							age of intrusion	MAG/NON-MAG-tilt  m(2)
17609	5	1150		1381		1758				1777	4				zircon	82-20	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1193		242							age of intrusion	MAG/NON-MAG-tilt  m(3)
17610	1	1590		1672		1776				1781	7				zircon	82-21	"1.55125E-04, 9.8485E-04, 4.9475E-05"	306		87							age of intrusion	MAG/NON-MAG-tilt  nm(-1)
17610	2	1502		1621		1779				1781	7				zircon	82-21	"1.55125E-04, 9.8485E-04, 4.9475E-05"	309		85							age of intrusion	MAG/NON-MAG-tilt  m(-1)
17610	3	1462		1595		1776				1781	7				zircon	82-21	"1.55125E-04, 9.8485E-04, 4.9475E-05"	324		85							age of intrusion	MAG/NON-MAG-tilt  m(0)
17610	4	1398		1553		1772				1781	7				zircon	82-21	"1.55125E-04, 9.8485E-04, 4.9475E-05"	327		82							age of intrusion	MAG/NON-MAG-tilt  m(1)
17610	5	1338		1515		1772				1781	7				zircon	82-21	"1.55125E-04, 9.8485E-04, 4.9475E-05"	354		85							age of intrusion	MAG/NON-MAG-tilt  m(2)
17611	1	1473		1582		1730				1744	18				zircon	82-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2722		755							age of intrusion	MAG/NON-MAG-tilt  nm(0)
17611	2	1322		1473		1698				1744	18				zircon	82-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3610		885							age of intrusion	MAG/NON-MAG-tilt  m(0)
17611	3	1165		1362		1687				1744	18				zircon	82-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4704		1012							age of intrusion	MAG/NON-MAG-tilt  m(1)
17611	4	1115		1325		1682				1744	18				zircon	82-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4393		913							age of intrusion	MAG/NON-MAG-tilt  m(2)
17611	5	1061		1283		1676				1744	18				zircon	82-22	"1.55125E-04, 9.8485E-04, 4.9475E-05"	5908		1145							age of intrusion	MAG/NON-MAG-tilt  m(3)
17612	1	1987		2216		2435				2451	9				zircon	82-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	216		97							age of volcanism	MAG/NON-MAG-tilt  nm(0)
17612	2	1939		2188		2429				2451	9				zircon	82-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	206		89							age of volcanism	MAG/NON-MAG-tilt  m(0)
17612	3	1865		2147		2428				2451	9				zircon	82-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	327		137							age of volcanism	MAG/NON-MAG-tilt  m(1)
17612	4	1755		2081		2422				2451	9				zircon	82-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	353		141							age of volcanism	MAG/NON-MAG-tilt  m(2)		
17613	1	949		1198		1679									zircon	82-28	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1382		225							age of intrusion	MAG/NON-MAG-tilt  (total)		
17614	1	1910		1993		2081				2092	9				zircon	82-30	"1.55125E-04, 9.8485E-04, 4.9475E-05"	356		146							age of intrusion	MAG/NON-MAG-tilt  nm(0)		May also date time of rifting.
17614	2	1872		1973		2080				2092	9				zircon	82-30	"1.55125E-04, 9.8485E-04, 4.9475E-05"	314		124							age of intrusion	MAG/NON-MAG-tilt  m(0)		May also date time of rifting.
17614	3	1827		1946		2075				2092	9				zircon	82-30	"1.55125E-04, 9.8485E-04, 4.9475E-05"	413		159							age of intrusion	MAG/NON-MAG-tilt  m(1)		May also date time of rifting.
17614	4	1784		1922		2073				2092	9				zircon	82-30	"1.55125E-04, 9.8485E-04, 4.9475E-05"	408		154							age of intrusion	MAG/NON-MAG-tilt  m(2)		May also date time of rifting.
17615	1	1430		1562		1745				1749	8				zircon	82-34	"1.55125E-04, 9.8485E-04, 4.9475E-05"	268		75							age of intrusion	MAG/NON-MAG-tilt  (HP)		
17615	2	1369		1521		1739				1749	8				zircon	82-34	"1.55125E-04, 9.8485E-04, 4.9475E-05"	271		70							age of intrusion	MAG/NON-MAG-tilt  nm(0)		
17615	3	1290		1470		1741				1749	8				zircon	82-34	"1.55125E-04, 9.8485E-04, 4.9475E-05"	369		92							age of intrusion	MAG/NON-MAG-tilt  m(0)		
17615	4	1256		1446		1737				1749	8				zircon	82-34	"1.55125E-04, 9.8485E-04, 4.9475E-05"	399		99							age of intrusion	MAG/NON-MAG-tilt  m(1)		
17615	5	1188		1399		1737				1749	8				zircon	82-34	"1.55125E-04, 9.8485E-04, 4.9475E-05"	464		107							age of intrusion	MAG/NON-MAG-tilt  m(2)		
17616	1	1217		1404		1700				1714	6				zircon	83-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	560		130							age of intrusion	MAG/NON-MAG-tilt  nm(-2)		
17616	2	1130		1341		1696				1714	6				zircon	83-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	551		120							age of intrusion	MAG/NON-MAG-tilt  m(-2)		
17616	3	1013		1252		1689				1714	6				zircon	83-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	667		133							age of intrusion	MAG/NON-MAG-tilt  m(-1)		
17616	4	876		1139		1682				1714	6				zircon	83-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	746		131							age of intrusion	MAG/NON-MAG-tilt  m(0)		
17617	1	1527		1587		1668				1672	8				zircon	83-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	683		192							age of intrusion	MAG/NON-MAG-tilt  nm(-2)		
17617	2	1494		1566		1664				1672	8				zircon	83-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	778		215							age of intrusion	MAG/NON-MAG-tilt  m(-2)coarse		
17617	3	1504		1569		1659				1672	8				zircon	83-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	812		229							age of intrusion	MAG/NON-MAG-tilt  m(-2)fine		
17617	4					0				1672	8				zircon	83-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"											MAG/NON-MAG-tilt  m(-2)fine		
17617	5	1426		1521		1656				1672	8				zircon	83-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	812		213							age of intrusion	MAG/NON-MAG-tilt  m(-1)		
17617	6	1377		1490		1654				1672	8				zircon	83-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	855		216							age of intrusion	MAG/NON-MAG-tilt  m(0)		
17617	7	1303		1440		1650				1672	8				zircon	83-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	893		213							age of intrusion	MAG/NON-MAG-tilt  m(1)		
17618	1	1414		1512		1653				1670	4				zircon	83-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	806		220							age of intrusion	MAG/NON-MAG-tilt  nm(-2)		
17618	2	1353		1471		1646				1670	4				zircon	83-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	861		216							age of intrusion	MAG/NON-MAG-tilt  m(-2)		
17618	3	1179		1349		1629				1670	4				zircon	83-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	906		199							age of intrusion	MAG/NON-MAG-tilt  m(0)		
17618	4	935		1154		1591				1670	4				zircon	83-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1064		189							age of intrusion	MAG/NON-MAG-tilt  m(2)		
17629	1					0								"14.073,15.010,33.52."	whole rock	LLB-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.07	11.1	46.58										"All systems examined indicate in age of  2,630 +- 20m.y."
17630	1					0								"14.073,15.010,33.52."	whole rock	LLB-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.34	14.2	23.7										"All systems examined indicate in age of  2,630 +- 20m.y."
17631	1					0								"14.073,15.010,33.52."	whole rock	LLB-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.12	7.67	11.78										"All systems examined indicate in age of  2,630 +- 20m.y."
17632	1					0								"14.073,15.010,33.52."	whole rock	LLB-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.56	15.93	21.46										"All systems examined indicate in age of  2,630 +- 20m.y."
17633	1					0								"14.073,15.010,33.52."	whole rock	LLB-7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.37	20.68	19.31										"All systems examined indicate in age of  2,630 +- 20m.y."
17634	1					0								"14.073,15.010,33.52."	whole rock	LLB-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	6.04	61.2	30.73										"All systems examined indicate in age of  2,630 +- 20m.y."
17635	1					0								"14.073,15.010,33.52."	whole rock	LLB-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.44	44.91	38.67										"All systems examined indicate in age of  2,630 +- 20m.y."
17636	1					0								"14.073,15.010,33.52."	whole rock	PRM-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.68	61.31	32.27										"All systems examined indicate in age of  2,630 +- 20m.y."
17637	1					0								"14.073,15.010,33.52."	whole rock	PRM-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.95	25.46	21.38										"All systems examined indicate in age of  2,630 +- 20m.y."
17638	1					0								"14.073,15.010,33.52."	whole rock	PRM-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4.32	51.78	24.02										"All systems examined indicate in age of  2,630 +- 20m.y."
17639	1					0								"14.073,15.010,33.52."	whole rock	GPA-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.15	29.17	33.16										"All systems examined indicate in age of  2,630 +- 20m.y."
17640	1					0								"14.073,15.010,33.52."	whole rock	GPA-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.76	18.85	29.8										"All systems examined indicate in age of  2,630 +- 20m.y."
17641	1					0								"14.073,15.010,33.52."	whole rock	BW-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.11	36.51	25.52										"All systems examined indicate in age of  2,630 +- 20m.y."
17642	1					0								"14.073,15.010,33.52."	whole rock	BW-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.37	16.49	23.23										"All systems examined indicate in age of  2,630 +- 20m.y."
17643	1					0								"14.073,15.010,33.52."	whole rock	BW-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.94	49.5	26.78										"All systems examined indicate in age of  2,630 +- 20m.y."
17644	1					0								"14.073,15.010,33.52."	whole rock	BW-7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.48	9.5	20.66										"All systems examined indicate in age of  2,630 +- 20m.y."
17645	1					0								"14.073,15.010,33.52."	whole rock	BW-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.25	47.59	42.04										"All systems examined indicate in age of  2,630 +- 20m.y."
17646	1					0								"14.073,15.010,33.52."	whole rock	BW-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.67	23.97	18.21										"All systems examined indicate in age of  2,630 +- 20m.y."
17647	1					0								"14.073,15.010,33.52."	whole rock	BW-19	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.15	7.45	15.39										"All systems examined indicate in age of  2,630 +- 20m.y."
17649	1					0								"14.073,15.010,33.52."	whole rock	BW-24	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.44	11.4	14.52										"All systems examined indicate in age of  2,630 +- 20m.y."
17650	1					0								"14.073,15.010,33.52."	whole rock	BEP-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4.45	35.36	13.01										"All systems examined indicate an age range of 2,504+- 40 m.y. to 2575+-50 m.y."
17651	1					0								"14.073,15.010,33.52."	whole rock	BEP-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.8	6.34	17.96										"All systems examined indicate an age range of 2,504+- 40 m.y. to 2575+-50 m.y."
17652	1					0								"14.073,15.010,33.52."	whole rock	BEP-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.2	13.92	24.57										"All systems examined indicate an age range of 2,504+- 40 m.y. to 2575+-50 m.y."
17653	1					0								"15.211,15.328,34.76"	whole rock	BEP-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	6.79	86.7	31.99										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17654	1					0								"15.211,15.328,34.76"	whole rock	GPA-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	4.93	33.47	41.03										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17654	2					0								"15.211,15.328,34.76"	whole rock	GPA-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"													All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17655	1					0								"15.211,15.328,34.76"	whole rock	GPA-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.67	41.38	38.35										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17656	1					0								"15.211,15.328,34.76"	whole rock	GPA-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	5.85	74.04	37.4										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17657	1					0								"15.211,15.328,34.76"	whole rock	GPA-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.48	14.95	24.89										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17658	1					0								"15.211,15.328,34.76"	whole rock	GPA-7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	6.46	47.91	34.53										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17659	1					0								"15.211,15.328,34.76"	whole rock	GPA-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.18	25.53	20.3										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17660	1					0								"15.211,15.328,34.76"	whole rock	GPA-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.68	81.11	44.76										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17661	1					0								"15.211,15.328,34.76"	whole rock	GPA-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	8.67	52.8	37.75										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17662	1					0								"15.211,15.328,34.76"	whole rock	GPA-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.46	46.41	28.96										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17663	1					0								"15.211,15.328,34.76"	whole rock	GPA-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2.16	63.97	38.3										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17663	2					0								"15.211,15.328,34.76"	whole rock	GPA-13	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.83	19.67	15.89										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17664	1					0								"15.211,15.328,34.76"	whole rock	BW-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3.15	71.23	27.86										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17664	2					0								"15.211,15.328,34.76"	whole rock	BW-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"													All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17664	3					0								"15.211,15.328,34.76"	whole rock	BW-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"													All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17665	1					0								"15.211,15.328,34.76"	whole rock	BW-18	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.58	41.27	25.02										All systems examined indicate an age range of 2504 +- 40 m.y. to 2575 +- 50 m.y.
17666	1					0				2575	48	36	75		zircon	RGW-79-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1470	651.9	325.9								+200mag		Age indicated by upper intercept.
17666	2					0				2575	48	36	75		zircon	RGW-79-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	916.3	433.5	202.2								+200nm		Age indicated by upper intercept.
17666	3					0				2575	48	36	75		zircon	RGW-79-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1437	565.4	281.4								-200mag		Age indicated by upper intercept.
17666	4					0				2575	48	36	75		zircon	RGW-79-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	528.1	256.2	89.75								-200 nm		Age indicated by upper intercept.
17667	1					0				2575	48	36	75		zircon	BW-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1615	2188	623.9								+100 mag		Age indicated by upper intercept.
17667	2					0				2575	48	36	75		zircon	BW-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"											+100 mag		Age indicated by upper intercept.
17667	3					0				2575	48	36	75		zircon	BW-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1154	1682	489.2								+100 nm		Age indicated by upper intercept.
17667	4					0				2575	48	36	75		zircon	BW-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3020	1969	572.2								-200 mag		Age indicated by upper intercept.
17667	5					0				2575	48	36	75		zircon	BW-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"											-200 mag		Age indicated by upper intercept.
17667	6					0				2575	48	36	75		zircon	BW-26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1685	1301	678.8								-200 nm		Age indicated by upper intercept.
17668	1	136.2	1.3	137	1.6	150	15								zircon	Horizon A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	105.3										size fraction  unsized		
17668	2	129.3	1.9	130.2	3.2	146	42								zircon	Horizon A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	174.1										size fraction  -200		
17668	3	111.7	1.2	113.1	6.9	143	136								zircon	Horizon A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	96.7										size fraction  -150+200		
17668	4	149.3	1.6	176.3	2	556	9								zircon	Horizon A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	108.5										size fraction  -100+150		
17668	5	137.3	1.3	137.9	2	149	23								zircon	Horizon A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	91										size fraction  +100		
17669	1	124.7	2.1	125.9	4.2	149	60								zircon	Horizon B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	132.7										size fraction  -150+200		
17669	2	136.7	1.1	137.1	1.3	143	11								zircon	Horizon B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	105.1										size fraction  -100+150		
17669	3	137.9	1.1	138.1	1.1	141	5								zircon	Horizon B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	87.7										size fraction  +100		
17674	1	522.4		744		1485.1		326.3		1580	4	70	1	"18.7,15.6,38.2."	zircon	79-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	518.5	180.8	44.51	0.02	84.98	8.22	6.78			age of intrusion	100		
17674	2	341.2		520.9		1413.9		219.6							zircon	79-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	537.4	217	30.06	0.03	84.04	7.89	8.04			age of intrusion	50		
17674	3	212.4		328.4		1261.4		140.2							zircon	79-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	617.1	305.6	21.89	0.05	82.07	7.45	10.44			age of intrusion	75		
17674	4	158.8		238.4		1119.5		122							zircon	79-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	430.3	177.9	12.41	0.17	77.37	8.32	14.13			age of intrusion	-200+250  acicular		
17674	5	74.7		74.9		84		75.2							sphene	79-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	38.3	90.8	2.38	0.96	33.89	15.7	49.45			age of intrusion			
17680	1	83.1		83.3		90	15			1849		83			zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	713		8								Size fraction:  <45 um	All are represented in terms of 238U and 206Pb.	Lower intercept. Interpreted as age of faulting and intrusion.
17680	2	83.3		83.5		89	14			1849		83			zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	679		7.6								Size fraction:  45-62 um		Lower intercept. Interpreted as age of faulting and intrusion.
17680	3	83.5		84.1		99	21			1849		83			zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	451		5.1								Size fraction:  62-80 um		Lower intercept. Interpreted as age of faulting and intrusion.
17680	4	85.3		88.3		169	8			1849		83			zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	522		6								Size fraction:  80 - 120  um		Lower intercept. Interpreted as age of faulting and intrusion.
17681	1	85.9		86.5		106	8			2108		85			zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	872		10.1								Size fraction:  <45  um		Lower intercept. Interpreted as age of faulting and intrusion.
17681	2	86.3		87.6		123	8			2108		85			zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	786		9.2								Size fraction:  45-62		Lower intercept. Interpreted as age of faulting and intrusion.
17681	3	87.4		90.6		178	9			2108		85			zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	253		3								Size fraction:  62-80 um		Lower intercept. Interpreted as age of faulting and intrusion.
17757	1	165.7		169.6		0		158.8							zircon	LE-153	"1.55125E-04, 9.8485E-04, 4.9475E-05"	635.7	137.2	16.26	0.03	88.05	4.89	7.03			age of intrusion			
17758	1	162.6		163.1		0		156.6							zircon	LE-244	"1.55125E-04, 9.8485E-04, 4.9475E-05"	841.9	172.1	20.99	0.03	88.56	4.76	6.66			age of intrusion			
17759	1	150.9	152.8			0	111.2								zircon	LE-1092	"1.55125E-04, 9.8485E-04, 4.9475E-05"	811.5	249.2	19.4	0.06	86.27	5.14	8.53			age of intrusion			
17760	1	116.1		110.7		0		89.3							zircon	LE-1036	"1.55125E-04, 9.8485E-04, 4.9475E-05"	408.9	126.7	7.45	0.05	86.63	4.71	8.6			age of intrusion			
17760	2					0									zircon	LE-1036	"1.55125E-04, 9.8485E-04, 4.9475E-05"													
17761	1	114.1		111.7		0		109.9							zircon	LE-31	"1.55125E-04, 9.8485E-04, 4.9475E-05"	435.2	204.3	8.62	0.1	79.38	5.21	15.31			age of intrusion			
17762	1	118.8		120.1		0		117.5							zircon	LE-1104	"1.55125E-04, 9.8485E-04, 4.9475E-05"	533.2	204.1	10.24	0.03	83.84	4.57	11.55			age of intrusion			
17763	1	115.3		112.6		0		114.8							zircon	LE-90	"1.55125E-04, 9.8485E-04, 4.9475E-05"	511.8	1161	14.64	0.03	55.09	3.16	41.71			age of intrusion			
17764	1	108.7		109		0		109.9							zircon	LE-36	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1260	663.3	23.37	0.05	79.79	4.56	15.6			age of intrusion			
17766	1	97.3		100.6		180.3									zircon	cp-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	334		5.3										Suggested age is 104.0 +- 7.9 Ma.
17831	1	240		242		261		221						"18.30,15.61,38.15."	zircon	81-ws-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	672.4	376.2	26.97	0.01	81.65	4.344	14				50		261 Ma is accepted age of xllization.
17831	2	243		245		261		223						"18.30,15.61,38.15."	zircon	81-ws-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	717.9	332.9	28.48	0.011	83.63	4.459	11.9				75		261 Ma is accepted age of xllization.
17856	1	518.7		694.4		1315	3			1670	20	216.7	4.1	"18.465,15.651,38.782."	zircon	39-30mc	"1.55125E-04, 9.8485E-04, 4.9475E-05"	784.5		56.92	0	86.02	7.34	6.64				60-140 course	In all cases this is 206PB and 238U	Lower-age of emplacement and xllization. Upper-age of precxisting crustal rocks from which the masma was delivered.
17856	2	469.1		631.7		1267	4			1670	20	216.7	4.1	"18.465,15.651,38.782."	zircon	39-30mc	"1.55125E-04, 9.8485E-04, 4.9475E-05"	824.6		53.9	0	86.22	7.2	6.58				60-140 fine	In all cases this is 206PB and 238U	Lower-age of emplacement and xllization. Upper-age of precxisting crustal rocks from which the masma was delivered.
17856	3	399.8		531.9		1148	3			1670	20	216.7	4.1	"18.465,15.651,38.782."	zircon	39-30mc	"1.55125E-04, 9.8485E-04, 4.9475E-05"	896.5		49.67	0	86.1	6.78	7.11				<140 Course	In all cases this is 206PB and 238U	Lower-age of emplacement and xllization. Upper-age of precxisting crustal rocks from which the masma was delivered.
17856	4					0				1670	20	216.7	4.1	"18.465,15.651,38.782."	zircon	39-30mc	"1.55125E-04, 9.8485E-04, 4.9475E-05"											<140 Course	In all cases this is 206PB and 238U	Lower-age of emplacement and xllization. Upper-age of precxisting crustal rocks from which the masma was delivered.
17856	5	287.2		348.1		778	3			1670	20	216.7	4.1	"18.465,15.651,38.782."	zircon	39-30mc	"1.55125E-04, 9.8485E-04, 4.9475E-05"	975.7		38.5	0	85.9	5.66	8.44				<140 Fine	In all cases this is 206PB and 238U	Lower-age of emplacement and xllization. Upper-age of precxisting crustal rocks from which the masma was delivered.
17856	6					0								"18.465,15.651,38.782."	apatite	39-3mc	"1.55125E-04, 9.8485E-04, 4.9475E-05"	21.47		1.13							age of volcanism		In all cases this is 206PB and 238U	Age given is 78.2 +- 1.0
17856	7					0								"18.465,15.651,38.782."	sphene	39-3mc	"1.55125E-04, 9.8485E-04, 4.9475E-05"	148.9		4.2							age of volcanism		In all cases this is 206PB and 238U	Age given is 185.8 +- 1.0
17856	8					0									Unk		"1.55125E-04, 9.8485E-04, 4.9475E-05"													
17857	1	579.7		775.4		1390	3			1672	11	211.5		"18.365,15.620,38.788."	zircon	37-1 LM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	673		54.83	0	85.12	7.58	7.3				60-140 course	In all cases this is 206Pb and 238U	Lower-age of emplacement and xlliization. Upper-age of precxisting crustal rocks from which the magma was derived.
17857	2	516.1		696.4		1333	4			1672	11	211.5		"18.365,15.620,38.788."	zircon	37-1 LM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	656.8		47.4	0	85.22	7.38	7.4				60-140 fine	In all cases this is 206Pb and 238U	Lower-age of emplacement and xlliization. Upper-age of precxisting crustal rocks from which the magma was derived.
17857	3	516.1		696.4		1333	4			1672	11	211.5		"18.365,15.620,38.788."	zircon	37-1 LM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	656.8		47.4	0	85.22	7.38	7.4				60-140 fine		Lower-age of emplacement and xlliization. Upper-age of precxisting crustal rocks from which the magma was derived.
17857	4	435.6		587		1224	3			1672	11	211.5		"18.365,15.620,38.788."	zircon	37-1 LM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	743.8		45.03	0	85.18	6.99	7.82				<140 course	In all cases this is 206Pb and 238U	Lower-age of emplacement and xlliization. Upper-age of precxisting crustal rocks from which the magma was derived.
17857	5	301.5		377.6		876	3			1672	11	211.5		"18.365,15.620,38.788."	zircon	37-1 LM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	878.4		36.42	0	84.73	5.86	9.4				<140 fine	In all cases this is 206Pb and 238U	Lower-age of emplacement and xlliization. Upper-age of precxisting crustal rocks from which the magma was derived.
17857	6					0								"18.365,15.620,38.788."	apatite	37-1 LM	"1.55125E-04, 9.8485E-04, 4.9475E-05"	29.32		0.95							age of volcanism		In all cases this is 206Pb and 206U	Age given is 78.2 +- 0.4
17858	1	150.3		150.6		155	8								zircon	th-d	"1.55125E-04, 9.8485E-04, 4.9475E-05"	384.3		7.85	0.0001	77.64	4	18.35					All in terms of 238U and 206Pb	
17859	1	150.8		151		154	7								zircon	McM-D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1397.1	28.64		0	69.1	3.48	27.42					All in terms of 238U and 206Pb	
17860	1	97.5	1	98	1	110	12								zircon	p	"1.55125E-04, 9.8485E-04, 4.9475E-05"	690		9.1							age of intrusion			
17861	1	405		412	455	0				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	276		18.7								nm (-2)		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17861	2	396		406		469				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	229		15.8								m (-2)		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17861	3	393		402		456				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	287		18.3								m (-2) Subround		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17861	4	401		409		456				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	261		17.7								m (-2) Angular		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17861	5	390		401		463				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	262		19.4								m (-2)  +200		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17861	6	388		402		486				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	352		25								m (-2)  -200		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17861	7	395		404		456				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	328		22.8								nm (-1)		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17861	8	374		385		451				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	384		25.7								m (-1)		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17861	9	350		363		448				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	441		28.4								m (0)		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17861	10	324		335		411				506	22	167	39		zircon	80-16	"1.55125E-04, 9.8485E-04, 4.9475E-05"	536		33.1								m (2)		"Upper intercept is min age of the oldest source rocks in the provenance, lower intercept may (?) indicate a Pb-loss event associated with the late jur Nevadan orogeny."
17862	1					2063				2087	47	74	270	"18.70,15.65,38.40"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	181.7		63.3								nm  (-2)		Age of detrital zircons in poison Canyon Fm is given as  2.09 b.y.
17862	2					2056				2087	47	74	270	"18.70,15.65,38.40"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	201.5		67.3								m(-2) bulk		
17862	3					2066				2087	47	74	270	"18.70,15.65,38.40"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	178.1		58.2								m(-2) +200 bulk		
17862	4					2117				2087	47	74	270	"18.70,15.65,38.40"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	171.4		59.6								m(-2) +200 dk pink		
17862	5					2061				2087	47	74	270	"18.70,15.65,38.40"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	148.1		50.2								m(-2) +200 H pink		
17862	6					2077				2087	47	74	270	"18.70,15.65,38.40"	zircon	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	275.2		83								m(-1) +200 Bulk		
17862	7					2071				2087	47	74	270	"18.70,15.65,38.40"	zircon	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	350.1		106.6								m(-1) +200 Bulk		
17862	8					2082				2087	47	74	270	"18.70,15.65,38.40"	zircon	8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	257.3		91.3								m(-1)+200 dk pink		
17862	9					2093				2087	47	74	270	"18.70,15.65,38.40"	zircon	9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	336.2		93.7								m(0)+200 Bulk		
17862	10					2064				2087	47	74	270	"18.70,15.65,38.40"	zircon	9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	238.4		64.9								m(1)+200 pink		
17915	1	379		380		386				607	30	364	10	"18.42,15.62,38.58."	zircon	1a	"1.55125E-04, 9.8485E-04, 4.9475E-05"	114		6								<45 abraded	Represented in terms of 238U and 206Pb	Model igneous age of 364 to 385 Ma.
17915	2	385		388		405				607	30	364	10	"18.42,15.62,38.58."	zircon	1b	"1.55125E-04, 9.8485E-04, 4.9475E-05"	235		12.5								80-45 abraded	Represented in terms of 238U and 206Pb	Model igneous age of 364 to 385 Ma.
17915	3					0				607	30	364	10	"18.42,15.62,38.58."	zircon	1b	"1.55125E-04, 9.8485E-04, 4.9475E-05"											80-45 abraded	Represented in terms of 238U and 206Pb	
17916	1	380		381		395				607	30	364	10	"18.42,15.62,38.58."	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	832		43.7								<45 abraded	Represented in terms of 238U and 206Pb.	Model igneous age of 364 to 385 Ma.
17917	1	365		366		369				607	30	364	10	"18.42,15.62,38.58."	zircon	3a	"1.55125E-04, 9.8485E-04, 4.9475E-05"	914		46								<45	Represented in terms of 238U and 206Pb.	Model igneous age of 364 to 385 Ma.
17917	2	373		374		380				607	30	364	10	"18.42,15.62,38.58."	zircon	3b	"1.55125E-04, 9.8485E-04, 4.9475E-05"	737		38.2								"<45 clear, abraded, spiked"	Represented in terms of 238U and 206Pb.	Model igneous age of 364 to 385 Ma.
17917	3	320		325		362				607	30	364	10	"18.42,15.62,38.58."	zircon	3c	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1665		73.4								80-45	Represented in terms of 238U and 206Pb.	Model igneous age of 364 to 385 Ma.
17917	4	289		296		355				607	30	364	10	"18.42,15.62,38.58."	zircon	3d	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2076		82.3								120-80	Represented in terms of 238U and 206Pb.	Model igneous age of 364 to 385 Ma.
17917	5	341		344		369				607	30	364	10	"18.42,15.62,38.58."	zircon	3e	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1461		68.6								80-45 abraded	Represented in terms of 238U and 206Pb.	Model igneous age of 364 to 385 Ma.
17917	6	346		349		369				607	30	364	10	"18.42,15.62,38.58."	zircon	3f	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1368		65.3								80-45 spiked	Represented in terms of 238U and 206Pb.	Model igneous age of 364 to 385 Ma.
17917	7	352		356		380				607	30	364	10	"18.42,15.62,38.58."	zircon	3g	"1.55125E-04, 9.8485E-04, 4.9475E-05"	975		47.4								"80-45 clear, abraded, spiked"	Represented in terms of 238U and 206Pb.	Model igneous age of 364 to 385 Ma.
17918	1	368		368		377				607	30	364	10	"18.42,15.62,38.58."	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	590		30								<45 spiked	Represented in terms of 238U and 206Pb.	Model igneous age of 364 to 385 Ma.
17919	1	150		150		151								"18.78,15.61,38.50."	zircon	1a	"1.55125E-04, 9.8485E-04, 4.9475E-05"	311		6.4								<45	In all cases this is in terms of 238U and 206Pb.	The suggested xllization age for the ash-flow tuff is 154 +- 2 Ma.
17919	2	153		153		153								"18.78,15.61,38.50."	zircon	1b	"1.55125E-04, 9.8485E-04, 4.9475E-05"	250		5.2								45-80	In all cases this is in terms of 238U and 206Pb.	
17919	3	153		153		154								"18.78,15.61,38.50."	zircon	1c	"1.55125E-04, 9.8485E-04, 4.9475E-05"	158		3.3								80-120	In all cases this is in terms of 238U and 206Pb.	
17920	1	141		145		199				1246	28	137	1	"18.78,15.61,38.50."	zircon	2a	"1.55125E-04, 9.8485E-04, 4.9475E-05"	850		16.4								<45	In all cases this is in terms of 238U and 206Pb.	Lower intercept is age of rock.
17920	2	146		150		229				1246	28	137	1	"18.78,15.61,38.50."	zircon	2b	"1.55125E-04, 9.8485E-04, 4.9475E-05"	245		4.8								45-80	In all cases this is in terms of 238U and 206Pb.	
17920	3	192		224		575				1246	28	137	1	"18.78,15.61,38.50."	zircon	2c	"1.55125E-04, 9.8485E-04, 4.9475E-05"	314		8.2								80-120	In all cases this is in terms of 238U and 206Pb.	
17920	4					0				1246	28	137	1	"18.78,15.61,38.50."	zircon	2c	"1.55125E-04, 9.8485E-04, 4.9475E-05"											80-120	In all cases this is in terms of 238U and 206Pb.	
17921	1	90		90		97								"18.78,15.61,38.50."	zircon	3a	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1775		21.5								<45	In all cases this is in terms of 238U and 206Pb.	Age of xllization cs 100 +- 1.
17921	2	91		92		98								"18.78,15.61,38.50."	zircon	3b	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1792		22.2								45-80	In all cases this is in terms of 238U and 206Pb.	
17921	3	100		100		100								"18.78,15.61,38.50."	zircon	3c	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1037		14								80-120	In all cases this is in terms of 238U and 206Pb.	
17966	1	168.1		184.2	0.8	396	8			1300		147		"18.62,15.64,39.14."	zircon	SW	"1.55125E-04, 9.8485E-04, 4.9475E-05"	253		5.79								01.6 Coarse	In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17966	2	157.3		163.7	1.2	258	17			1300		147		"18.62,15.64,39.14."	zircon	SW	"1.55125E-04, 9.8485E-04, 4.9475E-05"	341.5		7.3								1'1.35 fine	In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17966	3	151.1		155.2	1	219	15			1300		147		"18.62,15.64,39.14."	zircon	SW	"1.55125E-04, 9.8485E-04, 4.9475E-05"	315.5		6.48								1'1.35 Bulk	In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17966	4					0				1300		147		"18.62,15.64,39.14."	zircon	SW	"1.55125E-04, 9.8485E-04, 4.9475E-05"											1'1.35 Bulk	In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17967	1	168.8		184	0.6	383				1300		145		"18.93,15.67,39.26."	zircon	EW	"1.55125E-04, 9.8485E-04, 4.9475E-05"	707.9		16.26								0'1.6 Coarse	In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17967	2	161.2		170.7	1.7	305	23			1300		145		"18.93,15.67,39.26."	zircon	EW	"1.55125E-04, 9.8485E-04, 4.9475E-05"	861.6		18.89								1'1.35 B	In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17967	3					0				1300		145		"18.93,15.67,39.26."	zircon	EW	"1.55125E-04, 9.8485E-04, 4.9475E-05"											1'1.35 B	In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17967	4	168.8		181.5	0.5	350	2			1300		145		"18.93,15.67,39.26."	zircon	EW	"1.55125E-04, 9.8485E-04, 4.9475E-05"	911.2		20.9								1'1.35 Course abr	In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17967	5					0				1300		145		"18.93,15.67,39.26."	zircon	EW	"1.55125E-04, 9.8485E-04, 4.9475E-05"											1'1.35 Course abr	In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17967	6	142				0				1300		145		"18.93,15.67,39.26."	sphene	EW	"1.55125E-04, 9.8485E-04, 4.9475E-05"	56.3		1.09									In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17967	7					0				1300		145		"18.93,15.67,39.26."	sphene	EW	"1.55125E-04, 9.8485E-04, 4.9475E-05"												In cases this is 238U and 206Pb.	Lower intercept is age of emplacement.
17968	1	245		381		1321				1600		68	6		zircon	81-142	"1.55125E-04, 9.8485E-04, 4.9475E-05"	691		23.03	0.01	84.93	7.43	7.63			age of intrusion	>100unm	Lower intercept inturpreted as age of xllization. In all cases Pb is in terms of 206 Pb.	
17968	2	243.5		379.5		1324				1600		68	6		zircon	81-142	"1.55125E-04, 9.8485E-04, 4.9475E-05"	692		22.92	0.03	83.88	7.52	8.57			age of intrusion	<100unm	Lower intercept inturpreted as age of xllization. In all cases Pb is in terms of 206 Pb.	
17968	3	173.9		266.3		1185				1600		68	6		zircon	81-142	"1.55125E-04, 9.8485E-04, 4.9475E-05"	679		15.97	0.08	81.6	7.66	10.65			age of intrusion	five nm	Lower intercept inturpreted as age of xllization. In all cases Pb is in terms of 206 Pb.	
17968	4	286		442.5		1367				1600		68	6		zircon	81-142	"1.55125E-04, 9.8485E-04, 4.9475E-05"	694		27.09	0.02	84.13	7.69	8.16			age of intrusion	>100um	Lower intercept inturpreted as age of xllization. In all cases Pb is in terms of 206 Pb.	
17968	5	193.2		296.9		1221				1600		68	6		zircon	81-142	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1437		37.58	0.6	69.33	1.41	28.66				M	Lower intercept inturpreted as age of xllization. In all cases Pb is in terms of 206 Pb.	
17969	1	296.2		457.3		1377						82			zircon	80-241	"1.55125E-04, 9.8485E-04, 4.9475E-05"	658		26.6	0.01	84.83	7.65	7.51			age of volcanism	<75unm	In all cases Pb is in terms of 206 Pb. Little significance is attached it this lower intercept.	
17969	2					0						82			zircon	80-241	"1.55125E-04, 9.8485E-04, 4.9475E-05"											<75unm	In all cases Pb is in terms of 206 Pb. Little significance is attached it this lower intercept.	
17969	3	247.8		384.1		1318						82			zircon	80-241	"1.55125E-04, 9.8485E-04, 4.9475E-05"	653		22.02	0.01	84.57	7.33	8.09			age of volcanism	>150 unm	In all cases Pb is in terms of 206 Pb. Little significance is attached it this lower intercept.	
17969	4	327.7		499.8		1392						82			zircon	80-241	"1.55125E-04, 9.8485E-04, 4.9475E-05"	660		29.6	0.01	84.89	7.61	7.49			age of volcanism	>350 unm	 In all cases Pb is in terms of 206 Pb. Little significance is attached it this lower intercept.	
17969	5	315.5		493.2		1434						82			zircon	80-241	"1.55125E-04, 9.8485E-04, 4.9475E-05"	720		31.04	0.01	83.71	7.74	8.54			age of volcanism	M	 In all cases Pb is in terms of 206 Pb. Little significance is attached it this lower intercept.	
17969	6					0						82			zircon	80-241	"1.55125E-04, 9.8485E-04, 4.9475E-05"											M	In all cases Pb is in terms of 206 Pb. Little significance is attached it this lower intercept.	
17970	1	329.3		508.4		1424				1600		63	12		zircon	81-145	"1.55125E-04, 9.8485E-04, 4.9475E-05"	340		15.35	0.01	83.27	7.59	9.14			age of intrusion	>100unm	Lower intercept intupreted as age of xllization. In all cases Pb is in terms of 206 Pb.	
17970	2	254.7		399.6		1356				1600		63	12		zircon	81-145	"1.55125E-04, 9.8485E-04, 4.9475E-05"	376		13.04	0.01	83.39	7.37	9.23			age of intrusion	<100unm	Lower intercept intupreted as age of xllization. In all cases Pb is in terms of 206 Pb.	
17970	3	243.8		384.3	1351	0				1600		63	12		zircon	81-145	"1.55125E-04, 9.8485E-04, 4.9475E-05"	389		12.89	0.01	83.34	7.35	9.3			age of intrusion	Fine nm	Lower intercept intupreted as age of xllization. In all cases Pb is in terms of 206 Pb.	
17970	4	315.5		493.2		1434				1600		63	12		zircon	81-145	"1.55125E-04, 9.8485E-04, 4.9475E-05"	402		15.78	0.01	83.18	7.58	9.22			age of intrusion	M	Lower intercept intupreted as age of xllization. In all cases Pb is in terms of 206 Pb.	
17971	1	233.5		366.6		1327				1900		90	72		zircon	82-54	"1.55125E-04, 9.8485E-04, 4.9475E-05"	311		9.87	0.01	83.32	7.25	9.42				>75 unm	Scatter can be attributed to substantial inheritance of xenocrystic zircon and the subsequent mylonitization.	Min age for mylonitization is about 75 m.y.
17971	2	165.4		252.7		1168				1900		90	72		zircon	82-54	"1.55125E-04, 9.8485E-04, 4.9475E-05"	289		6.47	0.01	82.91	6.68	10.39				<75 unm	Scatter can be attributed to substantial inheritance of xenocrystic zircon and the subsequent mylonitization.	Min age for mylonitization is about 75 m.y.
17971	3					0				1900		90	72		zircon	82-54	"1.55125E-04, 9.8485E-04, 4.9475E-05"											<75 unm	Scatter can be attributed to substantial inheritance of xenocrystic zircon and the subsequent mylonitization.	Min age for mylonitization is about 75 m.y.
17971	4	229.3		368.9		1377				1900		90	72		zircon	82-54	"1.55125E-04, 9.8485E-04, 4.9475E-05"	291		9.08	0.02	82.96	7.28	9.74				M	Scatter can be attributed to substantial inheritance of xenocrystic zircon and the subsequent mylonitization.	Min age for mylonitization is about 75 m.y.
17971	5	271.2		455.9		1541				1900		90	72		zircon	82-54	"1.55125E-04, 9.8485E-04, 4.9475E-05"	315		11.66	0.05	80.7	7.72	11.53				um	Scatter can be attributed to substantial inheritance of xenocrystic zircon and the subsequent mylonitization.	Min age for mylonitization is about 75 m.y.
18022	1	301.9		468.7		1399	3			1606.7	5.5	71.2	0.8	"18.6,15.6."	zircon	MG-ND-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	253.9		10.46	0.02	83.15	7.69	9.13			age of intrusion	>200 mesh	Pb concentrations given as 206Pb.	
18022	2		308.9		1249	2				1606.7	5.5	71.2	0.8	"18.6,15.6."	zircon	MG-ND-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	417.4	11.26	0.01	83.62	7.07	9.3	199.2			age of intrusion	<200 and >325 mesh	Pb concentrations given as 206Pb.	
18022	3	170.6		260.1		1171	2			1606.7	5.5	71.2	0.8	"18.6,15.6."	zircon	MG-ND-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	443		10.2	0.02	83.31	6.8	9.87			age of intrusion	<325 mesh	Pb concentrations given as 206Pb.	
18023	1	624.3		863		1539	2			1606.7	5.5	71.2	0.8	"18.6,15.6."	zircon	PG-OW-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	603.1		52.69	0.01	85.14	8.23	6.63				>100 mesh	Pb concentrations given as 206Pb.	"The PG zircons are quite discordant and no meaningful crystallization age can be given, but the data are consistent with the same inheritance and emplacement ages as for the MG sample."
18023	2	461.8		694.6		1546	3			1606.7	5.5	71.2	0.8	"18.6,15.6."	zircon	PG-OW-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	808.1		51.56	0.02	84.69	8.41	6.88				<325 mesh	Pb concentrations given as 206Pb.	"The PG zircons are quite discordant and no meaningful crystallization age can be given, but the data are consistent with the same inheritance and emplacement ages as for the MG sample."
18024	1	846		1118		1693				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	487.2		59.1								"<62 mesh, composite sample"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	2	941		1138		1536				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	236.8		32.2								"<62 mesh, light pink and medium pink grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	3	1304		1493		1774				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	271		52.6								"<62 mesh, dark pink and rose & ruby red grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	4	1212		1411		1726				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	249.7		44.7								"62-80 mesh, composite sample"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an early proterozoic avg of mixing age for the older component of the source.
18024	5	1109		1280		1582				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	282.5		45.9								"62-80 mesh, lightest pink grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	6	1106		1279		1584				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	144		23.3								"62-80 mesh, light pink grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	7		1285		1584					2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	94.5	15.4					1114				"62-80 mesh, medium pink grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	8	1482		1667		1910				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	234.3		52.4								"62-80 mesh, dark pink and rose & ruby red grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	9	1203		1365		1631				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	191.9	34.6									"80-120 mesh, composite sample"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	10	1028		1181		1475				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	211.3		31.6								"80-120 mesh, light pink and medium pink grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	11	1236		1443		1764				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	302.2		55.3								"80-120 mesh, dark pink and rose & ruby red grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18024	12	1299		1487		1768				2078	10	695	9	"15.66,15.3,35.3."	zircon	M86-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	134.2		25.9								">120 mesh, composite sample"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	1	1009		1238		1663				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	390.8		57.3								"<62 mesh, composite sample"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	2	1097		1315		1692				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	339.9		54.5								"62-80 mesh, composite sample"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	3	1100		1302		1651				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	224		36.1								"80-120 mesh, composite sample"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	4	930		1116		1498				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	329.8		44.3								"80-120 mesh, light pink, subangular to subrounded grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	5	1117		1293		1601				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	191.6		31.4								"80-120 mesh, light pink, rounded to well rounded grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	6	1017		1215		1588				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	152.9		22.6								"80-120 mesh, medium pink, subangular to subrounded grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	7	1277		1481		1788				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	382.6		72.5								"80-120 mesh, medium pink, rounded to well rounded grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	8	1199		1380		1674				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	947.4		167.5								"80-120 mesh, dark pink grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	9	1363		1605		1941				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2516.3		512.5								"80-120 mesh, rose & ruby red grains"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18025	10	963		1234		1745				2033	6	553	6	"15.66,15.3,35.3."	zircon	M86-11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2305		321.3								">120 mesh, composite sample"	U and Pb concentrations given as 238U and 206Pb.	Upper intercept indicates an Early Proterozoic average age for the older component of the source.
18036	1	86		88		123	6								zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	614.9		7.17	0.01284	84.193	4.2719	11.523				"nonmagnetic at 0 side tilt, >100 micron, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Cores may also have lost radiogenic Pb.  Best estimate of age is 85 Ma.
18036	2	86	88		140	4									zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	568.4		6.59	0.00797	84.469	1.1839	11.28				"nonmagnetic at 0 side tilt, 100-75 micron, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Cores may also have lost radiogenic Pb.  Best estimate of age is 85 Ma.
18036	3	85		86		109	7								zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	666.7		7.71	0.01365	82.96	4.1986	12.8281				"nonmagnetic at 0 side tilt, <64 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Cores may also have lost radiogenic Pb.  Best estimate of age is 85 Ma.
18036	4	86		87		119	8								zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	658		7.67	0.01071	84.109	4.2307	11.6499				"nonmagnetic at 1 side tilt, >100 microns"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Cores may also have lost radiogenic Pb.  Best estimate of age is 85 Ma.
18036	5	87		87		105	11								zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	726.1		8.49	0.01529	83.071	4.2233	12.6907				"magnetic at 1 side tilt, 75-64 microns"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Cores may also have lost radiogenic Pb.  Best estimate of age is 85 Ma.
18036	6	84		85		107	6								zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	659		7.51	0.01032	83.363	4.1665	12.4603				"magnetic at 2 side tilt, 75-64 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Cores may also have lost radiogenic Pb.  Best estimate of age is 85 Ma.
18037	1	449		699		1502	5			1653	44	78	8		zircon	CC2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1354		84.64	0.0077	85.73	8.1409	6.1211				"nonmagnetic at 0 side tilt, >100 microns"	U and Pb concentrations given as 238U and 206Pb.	Data shows strong imprint of Proterozoic zircon inheritance.  Lower intercept is approximate age of emplacement.
18037	2	220		344		1297	7			1653	44	78	8		zircon	CC2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	751.5		22.62	0.00848	85.855	7.3474	6.7894				"nm, 0', fnonmagnetic at 0 side tilt, 75-64 microns"	U and Pb concentrations given as 238U and 206Pb.	Data shows strong imprint of Proterozoic zircon inheritance.  Lower intercept is approximate age of emplacement.
18037	3	571		818		1567	7			1653	44	78	8		zircon	CC2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	908.3		72.81	0.00335	85.379	8.3253	6.2924				"nm, 1', fnonmagnetic at 1 side tilt, 75-64 microns"	U and Pb concentrations given as 238U and 206Pb.	Data shows strong imprint of Proterozoic zircon inheritance.  Lower intercept is approximate age of emplacement.
18038	1	107		108		128	10								zircon	CC6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	474.3		6.9	0.01566	87.517	4.4835	7.9841				"nonmagnetic at 0 side tilt, >100 microns"	U and Pb concentrations given as 238U and 206Pb.	Ages are concordant to slightly discordant and may reflect a Proterozoic inherited component.  Best estimate of age is 108 Ma.
18038	2	108		108		109	7								zircon	CC6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	254.1		3.72	0.0361	83.362	4.5507	12.0509				"nonmagnetic at 0 side tilt, 75-64 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are concordant to slightly discordant and may reflect a Proterozoic inherited component.  Best estimate of age is 108 Ma.
18038	3	109		110		126	5								zircon	CC6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	386		5.72	0.03005	87.21	4.678	8.0818				"nonmagnetic at 1 side tilt, >100 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are concordant to slightly discordant and may reflect a Proterozoic inherited component.  Best estimate of age is 108 Ma.
18038	4	109		110		125	4								zircon	CC6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	743.9		11.02	0.00762	89.823	4.4714	5.6983				"magnetic at 1 side tilt, 75-64 microns"	U and Pb concentrations given as 238U and 206Pb.	Ages are concordant to slightly discordant and may reflect a Proterozoic inherited component.  Best estimate of age is 108 Ma.
18039	1	94		101		268	5			1666	174	88	3		zircon	CC7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	281.9		3.57	0.01372	85.953	4.6363	9.3972				"nonmagnetic at 1 side tilt, >100 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18039	2	96		104		291	9			1666	174	88	3		zircon	CC7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	666.7		8.66	0.02477	87.381	4.9169	7.6773				"nonmagnetic at 1 side tilt, 100-75 microns"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18039	3	97		106		312	5			1666	174	88	3		zircon	CC7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	16695		22.22	0.01108	88.411	4.8131	6.7652				"magnetic at 2 side tilt, 100 microns"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18039	4	103		121		483	8			1666	174	88	3		zircon	CC7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	373.7		5.21	0.03254	84.14	5.2486	10.5789				"magnetic at 2 side tilt, 75-64 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18039	5	91		97		224	10			1666	174	88	3		zircon	CC7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1522		18.82	0.05214	86.08	5.0537	8.8145				"magnetic at 2 side tilt, <64 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18040	1	96		106		334	6			1686	136	88	3		zircon	CC8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	142.4		1.84	0.01	86.29	4.79	8.91				"nonmagnetic at 0 side tilt, >100 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18040	2	106		125		504	9			1686	136	88	3		zircon	CC8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	211.1		3.02	0.02	86.14	5.18	8.66				"magnetic at 1 side tilt, >100 microns"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18040	3	91		94		164	5			1686	136	88	3		zircon	CC8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	238.3		2.93	0.01	86.48	4.38	9.13				"magnetic at 2 side tilt, <64 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18041	1	66		100		1036	11			1438	34	25.6	1		zircon	CC10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1996		17.73	0.06	83.88	7	9.07				"nonmagnetic at 0 side tilt, >100 microns"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18041	2	35		44		558	13			1438	34	25.6	1		zircon	CC10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3047		14.29	0.04	86.96	5.63	7.38				"magnetic at 2 side tilt, 75-64 microns"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18041	3	41		55		714	8			1438	34	25.6	1		zircon	CC10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3801		21.18	0.02	87.34	5.77	6.87				"magnetic at 3 side tilt, <64 microns, abraded"	U and Pb concentrations given as 238U and 206Pb.	Ages are discordant and may reflect a Proterozoic inherited component.  Lower intercept is approximate age of emplacement.
18050	1					0									sphene	sc-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	7.74		3.79							age of metamorphic crystallization	Size A		"Age, based on 6 pt mineral isochron, is given as 114.1+-2.1 Ma."
18050	2					0									sphene	sc-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	7.47		3.62							age of metamorphic crystallization	Size B		"Age, based on 6 pt mineral isochron, is given as 114.1+-2.1 Ma."
18050	3					0									hornblende	sc-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.32		1.16										"Age, based on 6 pt mineral isochron, is given as 114.1+-2.1 Ma."
18050	4					0									apatite	sc-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.61		4.8								Size A		"Age, based on 6 pt mineral isochron, is given as 114.1+-2.1 Ma."
18050	5					0									apatite	sc-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1.62		5.02								Size B		"Age, based on 6 pt mineral isochron, is given as 114.1+-2.1 Ma."
18050	6					0									garnet group	sc-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.14		0.08										"Age, based on 6 pt mineral isochron, is given as 114.1+-2.1 Ma."
18051	1					0									sphene	hgb-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	8.06		2.22								Size A	Interms of Pb (total) and 238U.	"Age, based on 5 pt mineral isochron, in given as 111.7+-1.5 Ma."
18051	2					0									sphene	hgb-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	8.42		2.19								Size B	In terms of Pb (total) and 238U.	"Age, based on 5 pt mineral isochron, in given as 111.7+-1.5 Ma."
18051	3					0									sphene	hgb-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	8.11		2.03								Size C	In terms of Pb (total) and 238U.	"Age, based on 5 pt mineral isochron, in given as 111.7+-1.5 Ma."
18051	4					0									hornblende	hgb-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.1		0.52									In terms of Pb (total) and 238U.	"Age, based on 5 pt mineral isochron, in given as 111.7+-1.5 Ma."
18051	5					0									garnet group	hgb-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.05		0.03									In terms of Pb (total) and 238U.	"Age, based on 5 pt mineral isochron, in given as 111.7+-1.5 Ma."
18052	1					0						92.1	1.4		sphene	op-1a	"1.55125E-04, 9.8485E-04, 4.9475E-05"	5.86		0.31							age of intrusion	Very magnetic.	In terms of U238 and Pb206.	7Pt isochron.
18052	2					0						92.1	1.4		sphene	op-1b	"1.55125E-04, 9.8485E-04, 4.9475E-05"	8.66		0.54							age of intrusion	 Magnetic.	In terms of U238 and Pb206.	7Pt isochron.
18052	3					0						92.1	1.4		sphene	op-1c	"1.55125E-04, 9.8485E-04, 4.9475E-05"	7.9		0.5							age of intrusion	 Somewhat magnetic.	In terms of U238 and Pb206.	7Pt isochron.
18052	4					0						92.1	1.4		sphene	op-1d	"1.55125E-04, 9.8485E-04, 4.9475E-05"	5.77		0.23							age of intrusion	 least magnetic.	In terms of U238 and Pb206.	7Pt isochron.
18052	5					0						92.1	1.4		plagioclase	op-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.39		0.02							age of intrusion	 Most magnetic.	In terms of U238 and Pb206.	7Pt isochron.
18052	6					0						92.1	1.4		plagioclase	op-1b	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.43		0.02							age of intrusion	 Magnetic.	In terms of U238 and Pb206.	7Pt isochron.
18053	1	95.3		95.3		95	30								zircon	op-2za	"1.55125E-04, 9.8485E-04, 4.9475E-05"	343		4.42	0.19	64.59	5.83	29.4			age of intrusion	 Less magnetic.	In terms of U238 and Pb206.	
18053	2	94.7		94.4		88	18								zircon	op-2zb	"1.55125E-04, 9.8485E-04, 4.9475E-05"	367		4.7	0.12	64.9	4.86	30.13			age of intrusion	 Magnetic.	Concentrations given in terms of U238 and Pb206.	
18053	3	95.4		95.9		109	18								zircon	op-2zc	"1.55125E-04, 9.8485E-04, 4.9475E-05"	433		5.58	0.11	62.76	4.71	32.42			age of intrusion	 More  magnetic.	Concentrations given in terms of U238 and Pb206.	
18053	4					0						92.1	1.4		plagioclase	op-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	0.36		0.03							age of intrusion		Concentrations given in terms of U238 and Pb206.	7 pt isochron.
18100																														
18102	1					0									zircon	mp-520	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1140.4	951.8	20.24	0.0315	74.95	3.929	21.09			age of intrusion			Age determened to be 98 Ma.
18103	1					0									zircon	mp-568	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1092.8	855.6	19.64	0.0432	75.78	4.081	20.1			age of intrusion			Age determened to be 100
18104	1					0									zircon	mp-789	"1.55125E-04, 9.8485E-04, 4.9475E-05"	807.5	1948.9	20.15	0.0276	53.28	2.921	43.77			age of intrusion			Age determened to be 98
18105	1					0									zircon	mp-846	"1.55125E-04, 9.8485E-04, 4.9475E-05"	974.1	392.4	16.08	0.2873	80.71	5.227	13.77			age of intrusion			Age determened to be 93
18106	1														zircon	MP-847	"1.55125E-04, 9.8485E-04, 4.9475E-05"	600.8	285.5	11.12	0.1877	76	6.103	17.71			age of intrusion			Age is 100 Ma.
18214	1	392	8	404	12	470	37	400	18					"18.1,15.6,37.9."	zircon	81ws-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	151.4	68.9	12.03	0.2479	72.47	7.705	19.58			age of intrusion	Size fraction  -100+200		
18214	2	403	10	429	17	570	60	409	28					"18.1,15.6,37.9."	zircon	81ws-12	"1.55125E-04, 9.8485E-04, 4.9475E-05"	123.7	50.1	11.41	0.3889	67.26	9.625	22.72			age of intrusion	Size fraction  -200+400		
18215	1	400	4	400	4	400	3	387	4					"18.1,15.6,37.9."	zircon	79ws-19B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	520.3	196.7	33.76	0.0155	84.59	4.853	10.54			age of intrusion	Size fraction  TOTAL		
18216	1	240	2	242	3	262	2	221	2					"19.6,15.7,39.1."	zircon	81ws-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	672.1	376	26.97	0.0095	81.65	4.341	14			age of intrusion	Size fraction  -150+200		
18216	2	245	2	246	3	262	2	224	2					"19.6,15.7,39.1."	zircon	81ws-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	717.8	332.7	28.62	0.0106	83.63	4.459	11.9			age of intrusion	Size fraction  -250+325		
18333	1	441		464		582		538		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-706 (1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	217	84.7	16.57	0.0455	80.51	5.445	14			"age of intrusion, age of later metamorphism"	-50+100 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."	
18333	2	474		486		542		439		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-706 (1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	223.8	98.6	18.03	0.0075	81.7	4.873	13.42			"age of intrusion, age of later metamorphism"	-150+200 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."	
18333	3	452		465		531				611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-706 (1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	259.5		19.81	0.0108	82.05	4.919	13.02			"age of intrusion, age of later metamorphism"	-250+325 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."	
18333	4	446		459		522		569		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-706 (1)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	310.7	109.8	23.22	0.0093	82.72	4.916	12.35			"age of intrusion, age of later metamorphism"	-400 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."	
18334	1	436		453		538		464		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-707 (2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	698.6	177.6	48.46	0.0087	86.91	5.187	7.892			"age of intrusion, age of later metamorphism"	-50+100 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."	
18334	2	439		452		517		509		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-707 (2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	524.7	138.8	36.96	0.0067	86.17	5.067	8.758			"age of intrusion, age of later metamorphism"	-150+200 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."	
18334	3	408		421		496		525		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-707 (2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	654	144.6	42.41	0.0066	86.72	5.05	8.222			"age of intrusion, age of later metamorphism"	-250+325 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."	
18334	4	394		409		492		518		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-707 (2)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	707.5	150.1	44.16	0.0047	86.96	5.026	8.011			"age of intrusion, age of later metamorphism"	-400 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18335	1	439		451		514		492		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-703 (3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	198.2	76.2	15.49	0.09972	79.45	5.989	14.46			"age of intrusion, age of later metamorphism"	-50+100 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18335	2	436		448		507		530		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-703 (3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	217.3	80.2	16.49	0.0625	80.55	5.535	13.85			"age of intrusion, age of later metamorphism"	-150+200 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18335	3	413		424		485		526		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-703 (3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	264.1	87.7	18.18	0.018	83.02	4.979	11.99			"age of intrusion, age of later metamorphism"	-250+325 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18335	4	396		407		473		518		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-703 (3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	310.2	98.1	20.38	0.0176	83.25	4.961	11.78			"age of intrusion, age of later metamorphism"	-400 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18335	5	349		362		444		366		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-703 (3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	261.3	78.1	16.52	0.1722	78.87	6.91	14.05			"age of intrusion, age of later metamorphism"	abraded rims of -100+150 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18335	6	483		492		537		554		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-703 (3)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	176.8	77.8	14.69	0.0229	80.97	5.044	13.96			"age of intrusion, age of later metamorphism"	abraded cores of -100+150 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18336	1	267		269		280		258						"18.1,15.6,37.9"	zircon	PEC-702 (4)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	211.3	75	9.87	0.1271	80.31	6.03	13.53			age of intrusion	+100 mesh clear fraction	"Although sample plots near lower intercept of 625 Ma-275 Ma reference chord defined by other members of suite, it may actually be a metamorphosed late Paleozoic intrusive rock."
18336	2	294		296		309		273						"18.1,15.6,37.9"	zircon	PEC-702 (4)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	315.7	55.2	24.05	0.5746	63.14	11.73	24.55			age of intrusion	-150+200 mesh fraction	"Although sample plots near lower intercept of 625 Ma-275 Ma reference chord defined by other members of suite, it may actually be a metamorphosed late Paleozoic intrusive rock."
18336	3	292		296		326		277						"18.1,15.6,37.9"	zircon	PEC-702 (4)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	311.9	54.4	18.34	0.3436	74.05	8.949	16.66			age of intrusion	-250+325 mesh fraction	"Although sample plots near lower intercept of 625 Ma-275 Ma reference chord defined by other members of suite, it may actually be a metamorphosed late Paleozoic intrusive rock."
18336	4	288		289		297		279						"18.1,15.6,37.9"	zircon	PEC-702 (4)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	298.4	51.5	14.86	0.173	82.12	6.827	10.88			age of intrusion	-325+400 mesh non-magnetic fraction	"Although sample plots near lower intercept of 625 Ma-275 Ma reference chord defined by other members of suite, it may actually be a metamorphosed late Paleozoic intrusive rock."
18336	5	286		288		298		274						"18.1,15.6,37.9"	zircon	PEC-702 (4)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	320.5	53.6	15.12	0.1166	84.99	6.151	8.742			age of intrusion	-400 mesh non-magnetic fraction	"Although sample plots near lower intercept of 625 Ma-275 Ma reference chord defined by other members of suite, it may actually be a metamorphosed late Paleozoic intrusive rock."
18337	1	424		438		513		514		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-708 (5)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	326.4	114.2	23.19	0.0227	82.75	5.095	12.13			"age of intrusion, age of later metamorphism"	-100+150 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18337	2	397		411		491		491		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-708 (5)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	416.7	159.4	27.71	0.0068	82.37	4.794	12.83			"age of intrusion, age of later metamorphism"	-200+250 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18337	3	397		410		487		537		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-708 (5)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	481.7	173.3	32.07	0.0054	82.11	4.75	13.13			"age of intrusion, age of later metamorphism"	-325+400 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18338	1	506		516		560		503		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-710 (6)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1172.3	426.6	98.2	0.0196	84.26	5.241	10.48			"age of intrusion, age of later metamorphism"	-150+200 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18338	2	465		479		545		449		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-710 (6)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1193.2	458.7	91	0.0089	84.54	5.066	10.39			"age of intrusion, age of later metamorphism"	-250+325 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18339	1	377		392		480		352		611	17	262	14	"18.1,15.6,37.9"	zircon	TRG-1 (7)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1457.2	585.7	90.08	0.0171	84.16	5.022	10.8			"age of intrusion, age of later metamorphism"	-100+150 mesh magnetic fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18339	2	498		510		561		552		611	17	262	14	"18.1,15.6,37.9"	zircon	TRG-1 (7)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	527.4	246.6	49.46	0.1346	76.11	6.434	17.32			"age of intrusion, age of later metamorphism"	-100+150 mesh non-magnetic fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18339	3	486		498		554		546		611	17	262	14	"18.1,15.6,37.9"	zircon	TRG-1 (7)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	563.7	254.4	49.06	0.0754	78.75	5.713	15.46			"age of intrusion, age of later metamorphism"	-150+200 mesh non-magnetic fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18340	1	357		366		425		293		611	17	262	14	"18.1,15.6,37.9"	zircon	916-83-1 (8)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1910.9	433.8	106.2	0.025	88.47	5.258	6.246			"age of intrusion, age of later metamorphism"	-100+150 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18340	2	363		374		441		322		611	17	262	14	"18.1,15.6,37.9"	zircon	916-83-1 (8)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1870.9	417.4	107.6	0.0414	87.38	5.471	7.105			"age of intrusion, age of later metamorphism"	-200+250 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18340	3	332		346		437		296		611	17	262	14	"18.1,15.6,37.9"	zircon	916-83-1 (8)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	164.1	574.7	88.22	0.0288	85.19	5.157	9.623			"age of intrusion, age of later metamorphism"	-400 mesh non-magnetic fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18340	4	325		333		384		247		611	17	262	14	"18.1,15.6,37.9"	zircon	916-83-1 (8)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2553.1	871.2	133.8	0.0459	85.76	5.328	8.863			"age of intrusion, age of later metamorphism"	abraded cores of -100+150 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18341	1	318		325		375		296		611	17	262	14	"18.1,15.6,37.9"	zircon	916-83-2 (9)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2551.8	638.6	127.8	0.0251	87.35	5.102	7.526			"age of intrusion, age of later metamorphism"	-150+200 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18341	2	329		335		382		305		611	17	262	14	"18.1,15.6,37.9"	zircon	916-83-2 (9)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2589.8	667.9	133.7	0.0189	87.48	5.024	7.474			"age of intrusion, age of later metamorphism"	-250+325 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18341	3	332		346		437		296		611	17	262	14	"18.1,15.6,37.9"	zircon	916-83-2 (9)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1641	574.7	88.22	0.0288	85.19	5.157	9.623			"age of intrusion, age of later metamorphism"	-400 mesh non-magnetic fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18341	4	325		333		384		247		611	17	262	14	"18.1,15.6,37.9"	zircon	916-83-2 (9)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2553.1	871.2	133.8	0.0459	85.76	5.328	8.863			"age of intrusion, age of later metamorphism"	abraded cores of -150+200 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18342	1	359		366		409		370		611	17	262	14	"18.1,15.6,37.9"	zircon	HVAG (10)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1312	348.9	87.41	0.2152	77.7	7.406	14.68			"age of intrusion, age of later metamorphism"	-100+150 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18342	2	339		349		421		348		611	17	262	14	"18.1,15.6,37.9"	zircon	HVAG (10)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1476	402.9	60.44	0.1839	78.95	7.04	13.83			"age of intrusion, age of later metamorphism"	-200+270 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18343	1	396		409		484		368		611	17	262	14	"18.1,15.6,37.9"	zircon	GG (11)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1709	601.3	112.5	0.0523	83.73	5.518	10.7			"age of intrusion, age of later metamorphism"	-100+150 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18343	2	392		405		479		368		611	17	262	14	"18.1,15.6,37.9"	zircon	GG (11)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1667	589.2	108.9	0.0552	83.49	5.536	10.92			"age of intrusion, age of later metamorphism"	-200+270 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18344	1	405		415		469		413		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-728 (12)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1644.4	475.6	107.31	0.0211	85.9	5.154	8.927			"age of intrusion, age of later metamorphism"	-60+100 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18344	2	419		428		478		387		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-728 (12)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1260.5	378.5	84.34	0.0155	86.56	5.13	8.297			"age of intrusion, age of later metamorphism"	-150+200 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18344	3	413		421		466		396		611	17	262	14	"18.1,15.6,37.9"	zircon	PEC-728 (12)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1272.2	345.2	83.48	0.0154	87.01	5.128	7.849			"age of intrusion, age of later metamorphism"	-250+325 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18345	1	325		330		362		368		611	17	262	14	"18.1,15.6,37.9"	zircon	1010-83-1 (13)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	260.8	66.7	15.53	0.1967	78.25	7.087	14.46			"age of intrusion, age of later metamorphism"	-150+200 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18345	2	311		315		340		338		611	17	262	14	"18.1,15.6,37.9"	zircon	1010-83-1 (13)	"1.55125E-04, 9.8485E-04, 4.9475E-05"	302.2	72.8	15.21	0.0519	85.5	5.312	9.132			"age of intrusion, age of later metamorphism"	-250+325 mesh fraction	"Upper and lower intercept ages calculated for <100 mesh fractions of all samples in suite.  Data also compared to a reference chord with upper and lower intercepts of 625 Ma and 275 Ma, respectively."
18346	1	440		459		554		623		1100		430		"18.0,15.6,38.0"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2920	83.4	192.2	0.016	92.52	5.656	1.806			"material inherited from source rock, maximum age for unit; age of intrusion"	-100+150 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18346	2	405		423		523		446		1100		430		"18.0,15.6,38.0"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2446	97.1	147.5	0.014	92.62	5.552	1.816			"material inherited from source rock, maximum age for unit; age of later metamorphism"	-200+250 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18347	1	570		611		769		642		1100		430		"18.0,15.6,38.0"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	211	25.4	19.4	0.062	87.3	6.548	6.086			"material inherited from source rock, maximum age for unit; age of later metamorphism"	-100+150 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18347	2	560		600		754		560		1100		430		"18.0,15.6,38.0"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	277	43.4	24.6	0.028	88.44	6.093	5.442			"material inherited from source rock, maximum age for unit; age of later metamorphism"	-200+250 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18348	1	941		975		1051		1093		1100		430		"18.0,15.6,38.0"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	290	48.2	48.9	0.128	82.38	7.939	9.556			"age of intrusion, age of later metamorphism"	-100+150 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18348	2	895		934		1029		1065		1100		430		"18.0,15.6,38.0"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	351	55	53.5	0.067	85.29	7.23	7.416			"age of intrusion, age of later metamorphism"	-200+250 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18349	1	597		635		774		840		1100		430		"18.0,15.6,38.0"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	323	27.2	32.4	0.111	85.33	7.154	7.404			"material inherited from source rock, maximum age for unit; age of intrusion"	-100+150 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18349	2	582		619		757		813		1100		430		"18.0,15.6,38.0"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	298	24.7	29	0.108	85.62	7.072	7.198			"material inherited from source rock, maximum age for unit; age of intrusion"	-150+200 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18349	3	534		568		705		698		1100		430		"18.0,15.6,38.0"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	276	21.6	24.6	0.117	85.62	7.078	7.11			"material inherited from source rock, maximum age for unit; age of intrusion"	-250+325 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18349	4	522		553		683		635		1100		430		"18.0,15.6,38.0"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	387	33.3	34	0.13	85	7.169	7.705			"material inherited from source rock, maximum age for unit; age of intrusion"	-400 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18350	1	711		756		891		923		1100		430		"18.0,15.6,38.0"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	417	49.8	47.1	0.011	88.91	6.272	4.804			"material inherited from source rock, maximum age for unit; age of intrusion"	-100+150 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.
18350	2	619		665		825		813		1100		430		"18.0,15.6,38.0"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	372	39.2	36.1	0.012	89.46	6.126	4.401			"material inherited from source rock, maximum age for unit; age of intrusion"	-150+200 mesh fraction	Upper and lower intercept ages calculated for all samples in suite.	
18362	1	1525		1640		1800		1665		1820		240			zircon	TS-1	"1.54E-04, 9.72E-04, 4.88E-05"	557	142	160	0.065	81.14	9.68	9.11			age of metamorphic crystallization			
18363	1	1495		1520		1555		1110							zircon	TS-2	"1.54E-04, 9.72E-04, 4.88E-05"	610	135	169	0.111	82.51	9.4	7.98			minimum age of metamorphic crystallization			
18516	1	159		181		481	9			104				"19.34,15.68,38.97"	zircon	BC-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	206		4.5							age of intrusion	mesh interval < 45 (mineral)		apparent age = 104 Ma
18516	2	108		110		151	20			104				"19.34,15.68,38.97"	zircon	BC-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	247		6.1							age of intrusion	mesh interval 45-80 (mineral)		apparent age = 104 Ma
18516	3	241		361		1229	5			104				"19.34,15.68,38.97"	zircon	BC-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	257		8.5							age of intrusion	mesh interval > 80 (mineral)		apparent age = 104 Ma
18517	1	103		103		101	13							"19.34,15.68,38.97"	zircon	BC-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	773		10.7							age of intrusion	mesh interval < 45 (mineral)		apparent age = 102 Ma
18517	2	102		102		99	5							"19.34,15.68,38.97"	zircon	BC-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	838		11.6							age of intrusion	mesh interval 45-80 (mineral)		apparent age = 102 Ma
18518	1	108		111		180	4			1630	30	104	2	"19.34,15.68,38.97"	zircon	BC-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	715		10.1							age of intrusion	mesh interval < 45 (mineral)		apparent age = 104 Ma
18518	2	117		131		384	4			1630	30	104	2	"19.34,15.68,38.97"	zircon	BC-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	603		9.6							age of intrusion	mesh interval 45-62 (mineral)		apparent age = 104 Ma
18518	3	123		143		495	4			1630	30	104	2	"19.34,15.68,38.97"	zircon	BC-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	535		8.9							age of intrusion	mesh interval 60-80 (mineral)		apparent age= 104 Ma
18518	4	138		171		661	3			1630	30	104	2	"19.34,15.68,38.97"	zircon	BC-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	607		11.4							age of intrusion	mesh interval 80-120 (mineral)		apparent age = 104 Ma
18519	1	106		107		126	8			1488	15	106		"19.34,15.68,38.97"	zircon	BC-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	412		5.9							age of intrusion	mesh interval < 45 (mineral)		apparent age = 106 Ma
18519	2	196		266		941	7			1488	15	106		"19.34,15.68,38.97"	zircon	BC-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	229		6.1							age of intrusion	mesh interval 45-62 (mineral)		apparent age = 106 Ma
18519	3	107		108		115	6			1488	15	106		"19 .34,15.68,38.97"	zircon	BC-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	387		5.6							age of intrusion	mesh interval 62-80 (mineral)		apparent age = 106 Ma
18520	1	104		104		113	5							"19.34,15.68,38.97"	zircon	BC-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1198		16.8							age of intrusion	mesh interval < 45 (mineral)		apparent age = 103 +/- 2 Ma
18520	2	103		104		113	4							"19.34,15.68,38.97"	zircon	BC-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	564		7.9							age of intrusion	mesh interval 45-80 (mineral)		apparent age = 103 +/- 2 Ma
18521	1	101		101		105	7							"19.34,15.68,38.97"	zircon	BC-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	779		10.7							age of intrusion	mesh interval 45-62 (mineral)		apparent age = 102 +/- 3 Ma
18521	2	103		103		113	6							"19.34,15.68,38.97"	zircon	BC-6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	810		11.2							age of intrusion	mesh interval 62-80 (mineral)		apparent age = 102 +/- 3 Ma
18521	3	105		105		113	7							"19.34,15.68,38.97"	zircon	BC-7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	836		11.8							age of intrusion	mesh interval 45-80 (mineral)		apparent age = 103 +/- 2 Ma
18522	1	100		100		100	5							"19.34,15.68,38.97"	zircon	BC-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	825		11.2							age of intrusion	mesh interval < 45 (mineral)		apparent age = 100 Ma
18522	2	101		101		102	7							"19.34,15.68,38.97"	zircon	BC-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	523		7.1							age of intrusion	mesh interval 45-62 (mineral)		apparent age = 100 Ma
18522	3	103		104		124	5							"19.34,15.68,38.97"	zircon	BC-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	336		4.7							age of intrusion	mesh interval 62-100 (mineral)		apparent age = 100 Ma
18523	1	102		102		99	8							"18.7,15.6,38.7"	zircon	OC-1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	665		9.2							age of intrusion	mesh interval < 45 (mineral)		apparent age = 102 +/- 1 Ma
18524	1	102		102		105	6							"18.7,15.6,38.7"	zircon	OC-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	362		5							age of intrusion	mesh interval < 45 (mineral)		apparent age = 102 +/- 1 Ma
18524	2	102		102		101	6							"18.7,15.6,38.7"	zircon	OC-2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	263		3.6							age of intrusion	mesh interval 45-80 (mineral)		apparent age = 102 +/- 1 Ma
18525	1	105		105		110	7							"18.7,15.6,38.7"	zircon	OC-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1639		23.3							age of intrusion	mesh interval < 45 (mineral)		apparent age = 105 +/- 1 Ma
18525	2	105		105		106	8							"18.7,15.6,38.7"	zircon	OC-3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1462		20.8							age of intrusion	mesh interval 45-80 (mineral)		apparent age = 105 +/- 1 Ma
18526	1	103		103		102	7							"18.7,15.6,38.7"	zircon	OC-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	967		13.5							age of intrusion	mesh interval < 45 (mineral)		apparent age = 106 +/- 2 Ma
18526	2	106		106		109	5							"18.7,15.6,38.7"	zircon	OC-4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	732		10.5							age of intrusion	mesh interval 45-80 (mineral)		apparent age = 106 +/- 2 Ma
18527	1	108		108		109	16							"18.7,15.6,38.7"	zircon	OC-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	396		5.8							age of intrusion	mesh interval 45-62 (mineral)		apparent age = 110 Ma
18527	2	110		109		99	24							"18.7,15.6,38.7"	zircon	OC-5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	303		4.5							age of intrusion	mesh interval 62-80 (mineral)		apparent age = 110 Ma
18528	1	108		108		110	5							"18.7,15.6,38.7"	zircon	OC-6A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	912		13.4							age of intrusion	mesh interval < 45 (mineral)		apparent age = 109 +/- 2 Ma
18528	2	109		108		100	30							"18.7,15.6,38.7"	zircon	OC-6B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	490		7.2							age of intrusion	mesh interval < 45 (mineral)		apparent age = 109 +/- 2 Ma
18528	3	110		110		109	13							"18.7,15.6,38.7"	zircon	OC-6B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	400		6							age of intrusion	mesh interval 45-80 (mineral)		apparent age = 109 +/- 2 Ma
18529	1	164		164		169	10							"18.7,15.6,38.7"	zircon	OC-7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	433		9.6							age of intrusion	mesh interval < 45 (mineral)		apparent age = 165 +/- 2 Ma
18529	2	164		165		180	9							"18.7,15.6,38.7"	zircon	OC-7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	590		13.1							age of intrusion	mesh interval 45-80 (mineral)		apparent age = 165 +/- 2 Ma
18529	3	465		165		172	8							"18.7,15.6,38.7"	zircon	OC-7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	485		10.9							age of intrusion	mesh interval 80-120 (mineral)		apparent age = 165 +/- 2 Ma
18530	1	164		164		166	6							"18.7,15.6,38.7"	zircon	OC-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	675		15.1							age of intrusion	mesh interval < 45 (mineral)		apparent age = 165 +/- 1 Ma
18530	2	165		165		165	6							"18.7,15.6,38.7"	zircon	OC-8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	661		14.8							age of intrusion	mesh interval 45-60 (mineral)		apparent age = 165 +/- 1 Ma
18531	1	167		167		169	6							"18.7,15.6,38.7"	zircon	OC-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	625		14.2							age of intrusion	mesh interval < 62 (mineral)		apparent age = 166 +/- 2 Ma
18531	2	166		166		163	7							"18.7,15.6,38.7"	zircon	OC-9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	476		10.8							age of intrusion	mesh interval 62-100 (mineral)		apparent age = 166 +/- 2 Ma
18532	1	165		165		165	7							"18.7,15.6,38.7"	zircon	OC-10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	974		21.9							age of intrusion	mesh interval < 100 (mineral)		apparent age = 165 Ma
18533	1	316		320		354								"18.40,15.64,36.40"	zircon	WC	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1202		52.2							age of intrusion	mesh interval < 45 (mineral)		intrusion age reported  at 378 +/- 5 Ma
18533	2	368		368		371								"18.40,15.64,36.40"	zircon	WC	"1.55125E-04, 9.8485E-04, 4.9475E-05"	752		38.2							age of intrusion	mesh interval 45-80 (mineral)		intrusion age reported  at 378 +/- 5 Ma
18533	3	378		379		382								"18.40,15.64,36.40"	zircon	WC	"1.55125E-04, 9.8485E-04, 4.9475E-05"	698		36.5							age of intrusion	mesh interval 80-120 (mineral)		intrusion age reported  at 378 +/- 5 Ma
18534	1	421		422		422								"18.40,15.64,36.40"	zircon	SF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	376		22							age of volcanism	mesh interval < 45 (mineral)		age of tuff reported at 423 +/- 10 Ma
18534	2	429		429		431								"18.40,15.64,36.40"	zircon	SF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	321		19.1							age of volcanism	mesh interval 45-80 (mineral)		age of tuff reported at 423 +/- 10 Ma
18534	3	444		448		462								"18.40,15.64,36.40"	zircon	SF	"1.55125E-04, 9.8485E-04, 4.9475E-05"	254		15.7							age of volcanism	mesh interval 80-120 (mineral)		age of tuff reported at 423 +/- 10 Ma
18535	1	116.8		151.7		740				1897	46	90	1	"18.8,15.6,37.7"	zircon	TC27	"1.55125E-04, 9.8485E-04, 4.9475E-05"	509		8.06							age of intrusion	mesh interval 165-120 microns (mineral)		lower intercept is the igneous age
18535	2	108.7		135.7		637				1897	46	90	1	"18.8,15.6,37.7"	zircon	TC27	"1.55125E-04, 9.8485E-04, 4.9475E-05"	666		9.81							age of intrusion	mesh interval 120-80 microns (mineral)		lower intercept is the igneous age
18535	3	98.1		109		338				1897	46	90	1	"18.8,15.6,37.7"	zircon	TC27	"1.55125E-04, 9.8485E-04, 4.9475E-05"	788		10.5							age of intrusion	mesh interval 80-45 microns (mineral)		lower intercept is the igneous age
18535	4	92.1		95.3		178				1897	46	90	1	"18.8,15.6,37.7"	zircon	TC27	"1.55125E-04, 9.8485E-04, 4.9475E-05"	967		12							age of intrusion	mesh interval < 45 microns (mineral)		lower intercept is the igneous age
18536	1	94.4		94.6		99								"18.8,15.6,37.7"	zircon	CM620	"1.55125E-04, 9.8485E-04, 4.9475E-05"	906		11.6							age of intrusion	mesh interval < 165 microns (mineral)		age interpreted as 95 +5/-1 Ma
18537	1	100.1		100.6		114								"18.8,15.6,37.7"	zircon	BM684	"1.55125E-04, 9.8485E-04, 4.9475E-05"	342		4.64							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 100 +/- 2 Ma
18537	2	99.5		99.7		106								"18.8,15.6,37.7"	zircon	BM684	"1.55125E-04, 9.8485E-04, 4.9475E-05"	350		4.71							age of intrusion	mesh interval < 45 microns (mineral)		age intercept 100 +/- 2 Ma
18538	1	96.6		97.6		123				1765	250	97	1	"18.8,15.6,37.7"	zircon	TC15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	478		6.25							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 97 +/- 1 Ma
18538	2	98		98.9		122				1765	250	97	1	"18.8,15.6,37.7"	zircon	TC15	"1.55125E-04, 9.8485E-04, 4.9475E-05"	563		7.46							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 97 +/- 1 Ma
18539	1	99.7		100.2		111				1765	250	97	1	"18.8,15.6,37.7"	zircon	TC42	"1.55125E-04, 9.8485E-04, 4.9475E-05"	379		5.11							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 97 +/- 1 Ma
18539	2	99		99.9		122				1765	250	97	1	"18.8,15.6,37.7"	zircon	TC42	"1.55125E-04, 9.8485E-04, 4.9475E-05"	463		6.22							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 97 +/- 1 Ma
18540	1	102.1		108.3		249				1765	250	97	1	"18.8,15.6,37.7"	zircon	TC40	"1.55125E-04, 9.8485E-04, 4.9475E-05"	248		3.43							age of intrusion	mesh interval 165-120 microns (mineral)		age intercept 97 +/- 1 Ma
18540	2	101.9		109.6		283				1765	250	97	1	"18.8,15.6,37.7"	zircon	TC40	"1.55125E-04, 9.8485E-04, 4.9475E-05"	305		4.2							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 97 +/- 1 Ma
18541	1	101.4		101.8		111								"18.8,15.6,37.7"	zircon	CM25	"1.55125E-04, 9.8485E-04, 4.9475E-05"	858		11.8							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 101 +/- 1 Ma
18541	2	101.8		102.4		118								"18.8,15.6,37.7"	zircon	CM25	"1.55125E-04, 9.8485E-04, 4.9475E-05"	830		11.4							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 101 +/- 1 Ma
18542	1	99.6		98.8		104								"18.8,15.6,37.7"	zircon	CM26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	567		7.63							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 100 +/- 2 Ma
18542	2	99.9		99.8		98								"18.8,15.6,37.7"	zircon	CM26	"1.55125E-04, 9.8485E-04, 4.9475E-05"	675		9.12							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 100 +/- 2 Ma
18543	1	99.9		100.8		122								"18.8,15.6,37.7"	zircon	CM9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	593		8.02							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 100 +/- 2 Ma
18543	2	98.9		98.7		96								"18.8,15.6,37.7"	zircon	CM9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	635		8.5							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 100 +/- 2 Ma
18544	1	100.3		100.6		108								"18.8,15.6,37.7"	zircon	CM226	"1.55125E-04, 9.8485E-04, 4.9475E-05"	624		8.46							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 100 +/- 2 Ma
18544	2	101		101.4		110								"18.8,15.6,37.7"	zircon	CM226	"1.55125E-04, 9.8485E-04, 4.9475E-05"	710		9.7							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 100 +/- 2 Ma
18545	1	101.5		101.4		100								"18.8,15.6,37.7"	zircon	TL197	"1.55125E-04, 9.8485E-04, 4.9475E-05"	296		4.07							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 102 +/- 1 Ma
18545	2	103.1		103.7		118								"18.8,15.6,37.7"	zircon	TL197	"1.55125E-04, 9.8485E-04, 4.9475E-05"	318		4.44							age of intrusion	mesh interval < 80 microns (mineral)		age intercept 102 +/- 1 Ma
18546	1	101.4		102		106				1373	64	102	1	"18.8,15.6,37.7"	zircon	WR84A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	78.4		1.08							age of intrusion	mesh interval 165-120 microns (mineral)		lower intercept represents age of intrusion
18546	2	102		101.6		106				1373	64	102	1	"18.8,15.6,37.7"	zircon	WR84A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	78.2		1.08							age of intrusion	mesh interval 120-80 microns (mineral)		lower intercept represents age of intrusion
18546	3	103.5		105.1		144				1373	64	102	1	"18.8,15.6,37.7"	zircon	WR84A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	75.6		1.06							age of intrusion	mesh interval 80-45 microns (mineral)		lower intercept represents age of intrusion
18547	1	103.2		102.6		90				1373	64	102	1	"18.8,15.6,37.7"	zircon	WR86	"1.55125E-04, 9.8485E-04, 4.9475E-05"	64.3		0.9							age of intrusion	mesh interval165-120 microns (mineral)		lower intercept represents age of intrusion
18547	2	101		102.1		98				1373	64	102	1	"18.8,15.6,37.7"	zircon	WR86	"1.55125E-04, 9.8485E-04, 4.9475E-05"	74.8		1.02							age of intrusion	mesh interval 120-80 microns (mineral)		lower intercept represents age of intrusion
18547	3	126.5		145.5		469				1373	64	102	1	"18.8,15.6,37.7"	zircon	WR86	"1.55125E-04, 9.8485E-04, 4.9475E-05"	74.6		1.28							age of intrusion	mesh interval < 80 microns (mineral)		lower intercept represents age of intrusion
18548	1	119.3		120.7		151								"18.8,15.6,37.7"	zircon	CM630	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1026		16.6							age of intrusion	mesh interval 165-120 microns (mineral)		age intercept 115 +/- 10 Ma
18548	2	113.8		115.3		147								"18.8,15.6,37.7"	zircon	CM630	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1090		16.8							age of intrusion	mesh interval  165-120 microns (1/20 nm)		age intercept 115 +/- 10 Ma
18548	3	114.1		116.2		161								"18.8,15.6,37.7"	zircon	CM630	"1.55125E-04, 9.8485E-04, 4.9475E-05"	989		15.3							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 115 +/- 10 Ma
18548	4	116.5		119.4		179								"18.8,15.6,37.7"	zircon	CM630	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1019		16.1							age of intrusion	mesh interval < 45 microns (mineral)		age intercept 115 +/- 10 Ma
18549	1	117.5		117.8		124								"18.8,15.6,37.7"	zircon	WR643	"1.55125E-04, 9.8485E-04, 4.9475E-05"	877		14							age of intrusion	mesh interval 165-120 microns (mineral)		age intercept 117 +/- 4 Ma
18549	2	116.9		117.4		128								"18.8,15.6,37.7"	zircon	WR643	"1.55125E-04, 9.8485E-04, 4.9475E-05"	979		15.5							age of intrusion	mesh interval < 45 microns (mineral)		age intercept 117 +/- 4 Ma
18550	1	114.2		117.5		185								"18.8,15.6,37.7"	zircon	WR171	"1.55125E-04, 9.8485E-04, 4.9475E-05"	327		5.06							age of intrusion	mesh interval 165-120 microns (mineral)		age intercept 115 +/- 15 Ma
18550	2	107.7		110.2		166								"18.8,15.6,37.7"	zircon	WR171	"1.55125E-04, 9.8485E-04, 4.9475E-05"	333		4.85							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 115 +/- 15 Ma
18550	3	111.1		113.5		164								"18.8,15.6,37.7"	zircon	WR171	"1.55125E-04, 9.8485E-04, 4.9475E-05"	375		5.65							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 115 +/- 15 Ma
18550	4	113.9		119.3		229								"18.8,15.6,37.7"	zircon	WR171	"1.55125E-04, 9.8485E-04, 4.9475E-05"	248		3.83							age of intrusion	mesh interval < 45 microns (mineral)		age intercept 115 +/- 15 Ma
18551	1	121		123.5		205								"18.8,15.6,37.7"	zircon	WR30/2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	217		3.55							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 115 +/- 10 Ma
18551	2	117.4		121.1		196								"18.8,15.6,37.7"	zircon	WR30/2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	227		3.62							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 115 +/- 10 Ma
18551	3	118.8		123.4		187								"18.8,15.6,37.7"	zircon	WR30/2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	232		3.73							age of intrusion	mesh interval < 45 microns (mineral)		age intercept 115 +/- 10 Ma
18552	1	113		113.1		108								"18.8,15.6,37.7"	zircon	WR39	"1.55125E-04, 9.8485E-04, 4.9475E-05"	169		2.59							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 113 +/- 4 Ma
18553	1	99.7		100.7		124								"18.8,15.6,37.7"	zircon	PC35	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2352		31.7							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 110 +/- 15 Ma
18553	2	96.9		97.9		123								"18.8,15.6,37.7"	zircon	PC35	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2469		32.3							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 110 +/- 15 Ma
18554	1	110.5		110.6		114								"18.8,15.6,37.7"	zircon	PC31	"1.55125E-04, 9.8485E-04, 4.9475E-05"	813		12.2							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 114 +/- 3 Ma
18554	2	112.1		112.5		121								"18.8,15.6,37.7"	zircon	PC31	"1.55125E-04, 9.8485E-04, 4.9475E-05"	918		13.9							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 114 +/- 3 Ma
18555	1	111.7		112.2		122								"18.8,15.6,37.7"	zircon	PC32	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1658		25.1							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 113 +/- 4 Ma
18555	2	111.6		112.3		124								"18.8,15.6,37.7"	zircon	PC32	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1894		28.6							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 113 +/- 4 Ma
18555	3	113.3		112.7		101								"18.8,15.6,37.7"	zircon	PC32	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1825		28							age of intrusion	mesh interval < 45 microns (mineral)		age intercept 113 +/- 4 Ma
18556	1	116.2		117		134								"18.8,15.6,37.7"	zircon	PC34	"1.55125E-04, 9.8485E-04, 4.9475E-05"	222		3.49							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 117 +/- 4 Ma
18556	2	117.1		118.6		150								"18.8,15.6,37.7"	zircon	PC34	"1.55125E-04, 9.8485E-04, 4.9475E-05"	338		5.36							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 117 +/- 4 Ma
18556	3	114.2		115.9		152								"18.8,15.6,37.7"	zircon	PC34	"1.55125E-04, 9.8485E-04, 4.9475E-05"	405		6.27							age of intrusion	mesh interval < 45 microns (mineral)		age intercept 117 +/- 4 Ma
18557	1	110.6		110.9		118								"18.8,15.6,37.7"	zircon	PC36	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1221		18.3							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 112 +/- 3 Ma
18557	2	108.9		108.2		105								"18.8,15.6,37.7"	zircon	PC36	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1393		20.5							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 112 +/- 3 Ma
18558	1	113.8		113.7		113								"18.8,15.6,37.7"	zircon	PC37	"1.55125E-04, 9.8485E-04, 4.9475E-05"	786		12.1							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 115 +/- 3 Ma
18558	2	114.1		114.9		127								"18.8,15.6,37.7"	zircon	PC37	"1.55125E-04, 9.8485E-04, 4.9475E-05"	855		13.2							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 115 +/- 3 Ma
18559	1	115.4		116.2		132								"18.8,15.6,37.7"	zircon	PC129	"1.55125E-04, 9.8485E-04, 4.9475E-05"	335		5.24							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 115 +/- 3 Ma
18559	2	113.8		113.6		120								"18.8,15.6,37.7"	zircon	PC129	"1.55125E-04, 9.8485E-04, 4.9475E-05"	343		5.28							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 115 +/- 3 Ma
18560	1	112		111.8		110								"18.8,15.6,37.7"	zircon	WR91A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	763		11.6							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 113 +/- 5 Ma
18560	2	108.8		109.9		136								"18.8,15.6,37.7"	zircon	WR91A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	814		12							age of intrusion	mesh interval < 45 microns (mineral)		age intercept 113 +/- 5 Ma
18561	1	117.3		117.1		116								"18.8,15.6,37.7"	zircon	WR40	"1.55125E-04, 9.8485E-04, 4.9475E-05"	912		14.5							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 117 +/- 3 Ma
18561	2	114.6		114.2		108								"18.8,15.6,37.7"	zircon	WR40	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1091		16.9							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 117 +/- 3 Ma
18562	1	113.6		114.3		129								"18.8,15.6,37.7"	zircon	TC12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	897		13.8							age of intrusion	mesh interval 165-120 microns (mineral)		age intercept 117 +/- 4 Ma
18562	2	112.3		113.6		141								"18.8,15.6,37.7"	zircon	TC12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1022		15.6							age of intrusion	mesh interval 120-80 microns (mineral)		age intercept 117 +/- 4 Ma
18562	3	111		111.4		122								"18.8,15.6,37.7"	zircon	TC12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1132		17							age of intrusion	mesh interval 80-45 microns (mineral)		age intercept 117 +/- 4 Ma
18562	4	113.4		114.4		137								"18.8,15.6,37.7"	zircon	TC12A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1206		18.5							age of intrusion	mesh interval < 45 microns (mineral)		age intercept 117 +/- 4 Ma
18563	1	493		664		1299				1460	20	110	4	"18.8,15.6,37.7"	zircon	CM110	"1.55125E-04, 9.8485E-04, 4.9475E-05"	365		25.1							age of intrusion	mesh interval 165-120 microns (mineral)		upper intercept: age of detrital zircon; lower: age of partial melting resulting form intrusion of orthogneiss
18563	2	299.8		422.8		1165				1460	20	110	4	"18.8,15.6,37.7"	zircon	CM110	"1.55125E-04, 9.8485E-04, 4.9475E-05"	633		26.1							age of intrusion	mesh interval 120-80 microns (mineral)		upper intercept: age of detrital zircon; lower: age of partial melting resulting form intrusion of orthogneiss
18563	3	287.4		399.5		1114				1460	20	110	4	"18.8,15.6,37.7"	zircon	CM110	"1.55125E-04, 9.8485E-04, 4.9475E-05"	684		27							age of intrusion	mesh interval 80-45 microns (mineral)		upper intercept: age of detrital zircon; lower: age of partial melting resulting form intrusion of orthogneiss
18563	4	247.6		342		1047				1460	20	110	4	"18.8,15.6,37.7"	zircon	CM110	"1.55125E-04, 9.8485E-04, 4.9475E-05"	876		29.7							age of intrusion	mesh interval < 45 microns (mineral)		upper intercept: age of detrital zircon; lower: age of partial melting resulting form intrusion of orthogneiss
18564	1	529.6		773.5		1563				1708	10	100		"18.8,15.6,37.7"	zircon	CM640	"1.55125E-04, 9.8485E-04, 4.9475E-05"	512		38							age of intrusion	mesh interval < 45 microns (mineral)		forced 100 Ma lower intercept; age meaning uncertain
18566	1	131		132		143								"18.78,15.61,38.50"	zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	688		12.2							age of intrusion	mesh interval < 45 microns (mineral)		age is 140 +/- 2 Ma
18566	2	129		130		138								"18.78,15.61,38.50"	zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	505		8.8							age of intrusion	mesh interval 45-80 microns (mineral)		age is 140 +/- 2 Ma
18566	3	138		138		140								"18.78,15.61,38.50"	zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	436		8.1							age of intrusion	mesh interval 45-80 microns (a)		age is 140 +/- 2 Ma
18566	4	135		135		141								"18.78,15.61,38.50"	zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	317		5.8							age of intrusion	mesh interval 80-120 microns (mineral)		age is 140 +/- 2 Ma
18566	5	137		137		133								"18.78,15.61,38.50"	zircon	CC1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	259		4.8							age of intrusion	mesh interval 80-120 microns (a)		age is 140 +/- 2 Ma
18567	1	138		138		142								"18.78,15.61,38.50"	zircon	CC2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	325		6.1							age of intrusion	mesh interval 45-80 microns (mineral)		age is 140 +/- 2 Ma
18567	2	138		138		140								"18.78,15.61,38.50"	zircon	CC2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	311		5.8							age of intrusion	mesh interval 80-120 microns (mineral)		age is 140 +/- 2 Ma
18568	1	138		138		142								"18.78,15.61,38.50"	zircon	CC3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	322		6							age of intrusion	mesh interval < 45 microns (mineral)		age is 140 +/- 2 Ma
18568	2	138		138		144								"18.78,15.61,38.50"	zircon	CC3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	236		4.4							age of intrusion	mesh interval 45-80 microns (mineral)		age is 140 +/- 2 Ma
18569	1	153		153		155								"18.78,15.61,38.50"	zircon	CC4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	361		7.5							age of intrusion	mesh interval < 62 microns (mineral)		age is 159 +/- 2 Ma
18569	2	158		158		157								"18.78,15.61,38.50"	zircon	CC4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	179		3.8							age of intrusion	mesh interval < 62 microns (a)		age is 159 +/- 2 Ma
18569	3	155		155		155								"18.78,15.61,38.50"	zircon	CC4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	202		4.3							age of intrusion	mesh interval 62-80 microns (mineral)		age is 159 +/- 2 Ma
18570	1	146		147		157								"18.78,15.61,38.50"	zircon	CC5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	442		8.8							age of intrusion	mesh interval 45-62 microns (mineral)		age is 159 +/- 2 Ma
18570	2	157		157		162								"18.78,15.61,38.50"	zircon	CC5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	189		4							age of intrusion	mesh interval 45-62 microns (a)		age is 159 +/- 2 Ma
18570	3	159		159		161								"18.78,15.61,38.50"	zircon	CC5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	268		5.8							age of intrusion	mesh interval 62-80 microns (mineral)		age is 159 +/- 2 Ma
18570	4	157		157		161								"18.78,15.61,38.50"	zircon	CC5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	191		4.1							age of intrusion	mesh interval 80-120 microns (mineral)		age is 159 +/- 2 Ma
18571	1	169		169		176				1170	500	168	6	"18.78,15.61,38.50"	zircon	CC6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	614		14.1							age meaning uncertain (geologic factors)	mesh interval 45 microns (upper limit?)		age of intrusion
18571	2	169		170		181				1170	500	168	6	"18.78,15.61,38.50"	zircon	CC6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	462		10.6							age meaning uncertain (geologic factors)	mesh interval 45-62 microns (mineral)		age meaning uncertain
18571	3	170		172		194				1170	500	168	6	"18.78,15.61,38.50"	zircon	CC6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	610		14.1							age meaning uncertain (geologic factors)	mesh interval 62-80 microns (mineral)		age meaning uncertain
18571	4	171		173		195				1170	500	168	6	"18.78,15.61,38.50"	zircon	CC6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	455		10.6							age meaning uncertain (geologic factors)	mesh interval 80-100 microns (mineral)		age meaning uncertain
18572	1	164		164		164								"18.78,15.61,38.50"	zircon	CC7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	437		9.9							age of intrusion	mesh interval < 120 microns (mineral)		age of intrusion
18573	1	162		162		167								"18.78,15.61,38.50"	zircon	SC1A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	416		9.2							age of intrusion	mesh interval < 45 microns (mineral)		age of intrusion
18573	2	162		162		162								"18.78,15.61,38.50"	zircon	SC1A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	418		9.2							age of intrusion	mesh interval 45-80 microns (mineral)		age of intrusion
18575	1	162		161		156								"18.78,15.61,38.50"	zircon	SC2A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	279		6.1							age of intrusion	mesh interval < 45 microns (mineral)		age of intrusion
18575	2	162		162		161								"18.78,15.61,38.50"	zircon	SC2A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	201		4.4							age of intrusion	mesh interval 45-80 microns (mineral)		age of intrusion
18576	1	162		162		166								"18.78,15.61,38.50"	zircon	SC2B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	433		9.3							age of intrusion	mesh interval < 45 microns (mineral)		age of intrusion
18577	1	162		162		161								"18.78,15.61,38.50"	zircon	SC3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	325		7.2							age of intrusion	mesh interval < 45 microns (mineral)		age of intrusion
18577	2	162		162		162								"18.78,15.61,38.50"	zircon	SC3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	318		7							age of intrusion	mesh interval 45-80 microns (mineral)		age of intrusion
18578	1	163		162		162								"18.78,15.61,38.50"	zircon	SC4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	473		10.4							age of intrusion	mesh interval 45-80 microns (mineral)		age of intrusion
18579	1	164		164		165								"18.78,15.61,38.50"	zircon	SC5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	667		14.8							age of intrusion	mesh interval < 45 microns (mineral)		age of intrusion
18579	2	164		164		169								"18.78,15.61,38.50"	zircon	SC5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	518		11.6							age of intrusion	mesh interval 45-80 microns (mineral)		age of intrusion
18584	1	202		203		206								"18.78,15.61,38.50"	zircon	CB10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	228		6.3							age of intrusion	mesh interval 45-62 microns (mineral)		203 Ma is igneous age
18584	2	202		203		206								"18.78,15.61,38.50"	zircon	CB10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	186		5.2							age of intrusion	mesh interval 62-80 microns (mineral)		203 Ma is igneous age
18585	1	205		207		238				743	140	193	6	"18.78,15.61,38.50"	zircon	CB11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	54.1		1.51							age of volcanism	mesh interval < 45 microns (mineral)		lower intercept is eruption age
18585	2	206		209		248				743	140	193	6	"18.78,15.61,38.50"	zircon	CB11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	43.2		1.21							age of volcanism	mesh interval 45-80 microns (mineral)		lower intercept is eruption age
18585	3	219		226		295				743	140	193	6	"18.78,15.61,38.50"	zircon	CB11	"1.55125E-04, 9.8485E-04, 4.9475E-05"	27.2		0.81							age of volcanism	mesh interval 80-120 microns (mineral)		lower intercept is eruption age
18589	1	165		165		169				196	23	140	29	"18.78,15.61,38.50"	zircon	CB13A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	860		19.3								mesh interval < 62 microns (mineral)		upper intercept is age of dike; lower records later disturbance
18589	2	173		173		179				196	23	140	29	"18.78,15.61,38.50"	zircon	CB13A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	762		17.9								mesh interval 62-80 microns (mineral)		upper intercept is age of dike; lower records later disturbance
18589	3	181		182		185				196	23	140	29	"18.78,15.61,38.50"	zircon	CB13A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	384		9.5								mesh interval < 80 microns (mineral)		upper intercept is age of dike; lower records later disturbance
18592	1	216		219		243				314	10	146	18	"18.78,15.61,38.50"	zircon	FR1B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	3843		113.5								mesh interval < 45 microns (mineral)		upper intercept is age of intrusion; lower records last major deformation event
18592	2	224		227		257				314	10	146	18	"18.78,15.61,38.50"	zircon	FR1B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1583		48.4								mesh interval 45-62 microns (mineral)		upper intercept is age of intrusion; lower records last major deformation event
18592	3	225		229		264				314	10	146	18	"18.78,15.61,38.50"	zircon	FR1B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2813		86.5								mesh interval 62-80 microns (mineral)		upper intercept is age of intrusion; lower records last major deformation event
18592	4	250		253		275				314	10	146	18	"18.78,15.61,38.50"	zircon	FR1B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1396		47.9								mesh interval 80-120 microns (mineral)		upper intercept is age of intrusion; lower records last major deformation event
18592	5	259		262		286				314	10	146	18	"18.78,15.61,38.50"	zircon	FR1B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	877		31.2								0		upper intercept is age of intrusion; lower records last major deformation event
18592	6	285		286		298				314	10	146	18	"18.78,15.61,38.50"	zircon	FR1B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	731		28.6								mesh interval 80-120 microns (a)		upper intercept is age of intrusion; lower records last major deformation event
18592	7	166												"18.78,15.61,38.50"	sphene	FR1B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	28.4		0.64							age of intrusion	sphene (no size fraction specified)		igneous age is 166 Ma
18600	1	335		337		355				388	22	217	59	"18.78,15.61,38.50"	zircon	FR5A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2186		100.9							age of intrusion	mesh interval < 45 microns (mineral)		upper intercept is age of emplacement
18600	2	348		349		360				388	22	217	59	"18.78,15.61,38.50"	zircon	FR5A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1336		64							age of intrusion	mesh interval < 45 microns (a)		upper intercept is age of emplacement
18600	3	332		335		356				388	22	217	59	"18.78,15.61,38.50"	zircon	FR5A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1885		86.2							age of intrusion	mesh interval 45-80 microns (mineral)		upper intercept is age of emplacement
18600	4	358		360		372				388	22	217	59	"18.78,15.61,38.50"	zircon	FR5A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	975		48.2							age of intrusion	mesh interval 45-80 microns (a)		upper intercept is age of emplacement
18600	5	350		352		367				388	22	217	59	"18.78,15.61,38.50"	zircon	FR5A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1539		74.3							age of intrusion	mesh interval 80-120 microns (mineral)		upper intercept is age of emplacement
18600	6	367		370		391				388	22	217	59	"18.78,15.61,38.50"	zircon	FR5A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	901		45.6							age of intrusion	mesh interval 80-120 microns (a)		upper intercept is age of emplacement
18602	1	123		123		123	6							"18.7,15.6,38.35"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	330		5.5							age of intrusion	mesh interval < 62 microns (mineral)		age assigned is 123 +/- 2 Ma
18602	2	122		122		128	7							"18.7,15.6,38.35"	zircon	1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	297		4.9							age of intrusion	mesh interval 62-100 microns (mineral)		age assigned is 123 +/- 2 Ma
18603	1	146		146		149	6							"18.7,15.6,38.35"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1265		25							age of intrusion	mesh interval < 62 microns (mineral)		age assigned is 146 +2/-1 Ma
18603	2	145		145		148	7							"18.7,15.6,38.35"	zircon	2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1065		21							age of intrusion	mesh interval 62-100 microns (mineral)		age assigned is 146 +2/-1 Ma
18604	1	162		189		550	4			1647	32	137	2	"18.7,15.6,38.35"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2504		55							age of intrusion	mesh interval < 45 microns (mineral)		age assigned is 138 +/- 2 Ma
18604	2	138		140		171	6			1647	32	137	2	"18.7,15.6,38.35"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	639		12							age of intrusion	mesh interval 45-62 microns (mineral)		age assigned is 138 +/- 2 Ma
18604	3	149		161		333	4			1647	32	137	2	"18.7,15.6,38.35"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	615		12.5							age of intrusion	mesh interval 62-80 microns (mineral)		age assigned is 138 +/- 2 Ma
18604	4	190		241		766	3			1647	32	137	2	"18.7,15.6,38.35"	zircon	3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	596		15.5							age of intrusion	mesh interval 80-120 microns (mineral)		age assigned is 138 +/- 2 Ma
18605	1	147		147		150	7							"18.7,15.6,38.35"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	390		7.8							age of intrusion	mesh interval < 45 microns (mineral)		age assigned as 147 +2/-1 Ma
18605	2	146		146		150	6							"18.7,15.6,38.35"	zircon	4	"1.55125E-04, 9.8485E-04, 4.9475E-05"	362		7.2							age of intrusion	mesh interval 45-62 microns (mineral)		age assigned as 147 +2/-1 Ma
18606	1	150		152		176	9			1498	200	149	2	"18.7,15.6,38.35"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	167		3.4							age of intrusion	mesh interval < 62 microns (mineral)		lower intercept is recognized as age of pluton
18606	2	151		152		179	9			1498	200	149	2	"18.7,15.6,38.35"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	141		2.4							age of intrusion	mesh interval 62-100 microns (mineral)		lower intercept is recognized as age of pluton
18606	3	155		160		236	11			1498	200	149	2	"18.7,15.6,38.35"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	145		3.1							age of intrusion	mesh interval 100-120 microns (mineral)		lower intercept is recognized as age of pluton
18606	4	159		168		294	11			1498	200	149	2	"18.7,15.6,38.35"	zircon	5	"1.55125E-04, 9.8485E-04, 4.9475E-05"	138		3							age of intrusion	mesh interval 120-180 microns (mineral)		lower intercept is recognized as age of pluton
18607	1	152		153		159	4							"18.7,15.6,38.35"	zircon	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	377		7.8							age of intrusion	mesh interval < 62 microns (mineral)		age assigned is  150 +2/-1 Ma
18607	2	152		152		161	5							"18.7,15.6,38.35"	zircon	6	"1.55125E-04, 9.8485E-04, 4.9475E-05"	284		5.9							age of intrusion	mesh interval 62-100 microns (mineral)		age assigned is  150 +2/-1 Ma
18608	1	150		150		155	5							"18.7,15.6,38.35"	zircon	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	631		12.9							age of intrusion	mesh interval < 45 microns (mineral)		age assigned is 151 +/- 1 Ma
18608	2	151		151		156	6							"18.7,15.6,38.35"	zircon	7	"1.55125E-04, 9.8485E-04, 4.9475E-05"	538		11							age of intrusion	mesh interval 45-62 microns (mineral)		age assigned is 151 +/- 1 Ma
18609	1	151		151		157	25							"18.7,15.6,38.35"	zircon	8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	832		17							age of intrusion	mesh interval < 62 microns (mineral)		age assigned is 151+/- 1 Ma
18609	2	151		153		170	32							"18.7,15.6,38.35"	zircon	8	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2459		50.6							age of intrusion	mesh interval 62-100 microns (mineral)		age assigned is 151+/- 1 Ma
18610	1	150		150		154	7							"18.7,15.6,38.35"	zircon	9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	954		19.5							age of intrusion	mesh interval < 62 microns (mineral)		age assigned is 151+/- 1 Ma
18610	2	151		151		150	6							"18.7,15.6,38.35"	zircon	9	"1.55125E-04, 9.8485E-04, 4.9475E-05"	680		14							age of intrusion	mesh interval 62-100 microns (mineral)		age assigned is 151+/- 1 Ma
18611	1	465		662		1408	1							"18.7,15.6,38.35"	zircon	10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	345		22.3							age not evaluated	mesh interval < 100 microns (mineral)		
18653	1	162	2	162	2	158	10								zircon	PHI1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1280		28.25	0.04	65.08	3.86	31.01			age of intrusion	mesh interval < 165 microns (mineral)		
18654	1	164	2	164	2	166	12								zircon	PHI2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	197		4.38	0.07	67.05	4.4	28.47			age of intrusion	mesh interval < 120 microns (mineral)		
18655	1	163	2	163	2	169	10								zircon	FDS1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	535		11.79	0.05	64.15	3.92	31.88			age of intrusion	mesh interval 45-80 microns (mineral)		
18656	1	165	2	166	2	171	10								zircon	FDS2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	499		11.21	0.03	78.54	4.31	17.12			age of intrusion	mesh interval 120-165 microns (mineral)		
18656	2	165	2	165	2	164	10								zircon	FDS2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	676		15.15	0.03	78.51	4.31	17.15			age of intrusion	mesh interval < 120 microns (mineral)		
18657	1	199	2	199	2	200	12								zircon	CDI1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	101		2.74	0.04	83.31	4.75	11.91			age of intrusion	mesh interval 120-165 microns (mineral)		
18657	2	198	2	199	2	207	12								zircon	CDI1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	128		3.44	0.03	83.48	4.7	11.79			age of intrusion	unspecified mesh interval (mineral)		
18658	1	200	2	200	2	211	13								zircon	CDI2	"1.55125E-04, 9.8485E-04, 4.9475E-05"	236		6.44	0.03	85.37	4.7	9.91			age of intrusion	mesh interval 45-80 microns (mineral)		
18659	1	196	2	197	2	207	12								zircon	CDI3	"1.55125E-04, 9.8485E-04, 4.9475E-05"	228		6.08	0.03	85.25	4.75	9.97			age of intrusion	mesh interval < 165 microns (mineral)		
18660	1	198	2	198	2	190	13								zircon	MLB1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	164		4.43	0.09	72.99	4.95	21.97			age of intrusion	mesh interval < 165 microns (mineral)		
18661	1	199	2	199	2	199	12								zircon	KRO010	"1.55125E-04, 9.8485E-04, 4.9475E-05"	634		17.2	0.05	82.59	4.92	12.43			age of metamorphic crystallization	mesh interval < 165 microns (mineral)		
18662	1	304	3	306	3	323	19								zircon	CB1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1224		51.06	0.04	86.98	5.2	7.79			"sample contains inherited material, age is too old"	mesh interval 80-120  microns (mineral)		
18662	2	307	3	306	3	302	18								zircon	CB1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1303		54.94	0.03	87.87	4.99	7.11			"sample contains inherited material, age is too old"	mesh interval 45-80 microns (mineral)		
18662	3	306	3	311	3	353	21								zircon	CB1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1313		55.15	0.08	84.72	5.75	9.44			"sample contains inherited material, age is too old"	mesh interval < 45 microns (mineral)		
18663	1	311	3	313	3	326	20								zircon	BM01	"1.55125E-04, 9.8485E-04, 4.9475E-05"	2380		101.9	0.05	86.53	5.27	8.15			"sample contains inherited material, age is too old"	mesh interval < 120 microns (clear mineral)		
18663	2	288	3	296	3	366	22								zircon	BM01	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1701		67.22	0.05	85.61	5.37	8.96			"sample contains inherited material, age is too old"	mesh interval < 120 microns (colored)		
18664	1	280	3	282	3	302	18								zircon	TOM1	"1.55125E-04, 9.8485E-04, 4.9475E-05"	1605		61.68	0.06	84.05	5.32	10.57			"sample contains inherited material, age is too old"	mesh interval < 165 microns (mineral)		
18665	1	229	2	233	2	259	16								zircon	KSM10	"1.55125E-04, 9.8485E-04, 4.9475E-05"	363		11.38	0.01	76.84	4.06	19.09			"sample contains inherited material, age is too old"	mesh interval not specified		
18669	1	2.5	0	2.4	0.1										Opal	4A	"1.55125E-04, 9.8485E-04, 4.9475E-05"	687		0.37							age of mineralization	Opal		Age of opal formation
18669	2	2.2	0	2.1	0.1										Opal	4B	"1.55125E-04, 9.8485E-04, 4.9475E-05"	450		0.25							age of mineralization	Opal		Age of opal formation
18669	3	2.4	0.1	2.3	0.2										Opal	4C	"1.55125E-04, 9.8485E-04, 4.9475E-05"	239		0.24							age of mineralization	Opal		Age of opal formation
18669	4	1.9	0.1	2	0.3										Opal	4D	"1.55125E-04, 9.8485E-04, 4.9475E-05"	139		0.18							age of mineralization	Opal		Age of opal formation