Albuquerque weekly citizen. (Albuquerque, N.M.) 1891-19??, 1901-07-27

with the Intrusive. Quau1itc ana
spar dikes and segregation contact
under these circumstances have se.
crCtod the copper and silver often In
ores uf great richness but the very
violence " the proceeding has mill
tatpd against the uniformity and the
coustancy Of the result I'm one place
The vein can bc asccriaincd tu have
extracted Lalona.si from lime
fragment and u another coppcrguld
rom the mixture of andcsito and Gu
pCrifornus randrock. a proper under
standing VI the method of origin ~
these ores would have saved great
tlaappointmput in this district and
would revise the valuation upon many
properties. ln the san Pedro district
thn same principle is cXrmplliod inI
a different way Loss violent distur
hnucos has permitted the andcsito
and ap-crito.sypnitc 60 Undergraduate
tnu purhOuifcruus and Pcrmian. The
rupDrifvruug sandstone has been
greatly mstamurphosed aud. with the
shaloa. has givou rive 90 great masses
nf garnet rock in connection with
which the copper and gold has been
rNcrotod 1ho adjacent carbonifer
otis limestone has collected its Head
under the continued influence of the
slow mutnmorphism as has happened
In the Magdaionas aud other lead .sil
ycr districts.
TuRQUOls.
In the adjacent Cprrillos district
the cnrct of the mctamorphic action
uf the ayclitc ON the cupcfifcroua
sandstone has been even more inter.
cstlng for there can not longer hc any
doubt that the turquois OF these ia.
nous mines. worked in prehistoric
times Co an almost incredible extent
s due 90 the mctnmorphic action Of
tnr nercrito sycnito on the shaly bed
boz snudstouos OF the red age Among
the curious divergent reports that
have been made In the lisht of the en-
tire cuNirunlng country, Professor
Blake seems tO have been the only
one Who "ccugnizcd the scdimeninry
series bat ho considered IL carboni.
ferrous Tho igncous intrusive has
been identified as traChitC, hut this iR
because only the altered material was
examined Il iH q most remarkable
syonitc whose iron magnetism miner
al is AN undcscribod pyroyenp with
the optical character but not the
chemical composition Of acgcrltctau.
n
fur tho ORTIZ gold belt nn6 .he placer
material upon which the Edison com.
pany exp 'rimouted behind closed
bars
SALT AND GYPSUM.
"But prouably of much greater i'm.
purtanCr to the territory than the cop
per or turquus is the great salt and
| gypsum Industry that one day may
place New Mexico iu the lead IN these
idircctiouF Especially interesting from
ia geological as well az an economic
point uf yicw are the circumstances
which tran formed the deep sea con
ditiuns uf the cnrbonifcrous in the
west 10 time of shallow water and
lagoons of salt and gypsum The
great fields at white gypsum sand col.
lpCtcd hy tho winds from on the satin.
as at DunB Ana county and the bot
tumlcss crater cunduit filled with su.
pcraaturaind brine In western SocOr.
ru county are simply two marked IN
stances Of the conditions accompany
ing the transition period between thc
pcrmian ana the Jura triassic all
over the territory.
THE recent interest In oil has
brought to ltght the unexpected fact
tnat iu some places the sands of the
rrd bDds are saturated with asphalt
over large areas while mo- product
iyr wells have su far bcceu found
uud tho lack uf suitable cover may
prnyo an lnsupoTahlp difficulty {,
collection of oil in this horizon ON q
large scale there is abundant proc
thaf tho vegetable masses " tho late
t'crmiau lr early Iuratriassic hay,
been productive of quantities ut oi
in western Now Mexico.
CRETACEOus CORRELATlONS.
An interesting result Of the pal
runtoiogirnl work of our survey ma
been Co show that large group o
Ignite long supposed 90 be- uf larimi
age and actually containing sue
/ we'll known larimic fossils ns O'
. tryn glahra Is followed hy thick scl
t icrs oft marine CrotaCcuus with fossil
! like those OF the upper Fox hills groul
HrlOW the shalcs In question in Nc
4 kInIpy county extensive oil indies
tions have been found that have civ
4. GA rar tu the on excitement in Nc'
D Mexico The lil $50 far seen rs {
\ very high gravity aud has an aspha
I'D base hut IN mo- case su FAR has the %
boon reached by deep boring and "a
character ui the deeper oil is u ma
d. ter of con 'pcturc solely. In the shalf
/. Of northeastern New Mexico lmmcd
4 atoly beneath the Trinidad coal mca
d lures tsupposcdly of larimlc Rgcl a
o. is found and associated with marin
, FOSSILS like lnucoramus fragllis tn
a IIt undoubtedly the same zone ns th.
a. which furnishes the oil of Florcnc
t, Colo and viii uu doubt furnish goo
\ supplies within the territory also.
g. CARBONIFEROuS
/" More practically rcmuBcrGti'
than the above mentioned have bee
, the geological applications from a st
. dy ut M, rnrhoniferuua lead silN'
. horizons. but here one troads peer
= ously near tno present day problem
whore conflicting Interests are co
rprncd aud moreover it must bc
y, mpmhorcd that N, time of the cu
" grcas is too precious for anyone
y, muropOligr large share ot u.
p, venture tu hope that the iustanc
-, cited may anurd fresh evidence
" tho dcsirability oi a closer union
W tween .ihtorctical geology and {
a, technical economic trimming In
~ work of the practical mining en-
Il, ucvr'
Hsa 1rHaa
a.