, 1860-12-28


aboyr Cay au G.es, II Missouri. In Iowa these
rocks como to the Eurtace, forming belt OF
about 1ifty miles il widti, running n. ". main |
II along the Red Cedar River into Minnesota. .
We now come to the Epp'r Saurian tSw-
ten. The base Of Mackiuac, Round and Boles |
fIauc Islands, as vel. a. the pron,ontor!es on |
the main Land TO the west, is comp. -ed OF
light gray, tine-srllned, thin.bedded argilla- |
ceous liu,estones, which exhihit the character
:stics of the 0,,ondaga Salt Group Of New
Torlz; the thickness OF which Is thirty: seven
feet. At Little Pt. au Chcnc gypsum IS found
under these liule-stones. From this point the
group passes under tile bed Of Lake Michigan.
aud barely outcrops near Milwaukee, where it
has bccu Identified by Mr.. Laphana. Cont!nu-
iuy farther west and south it has heen found
in illinois, at the head Of the Upper Rapids in
connection with the L. Claire Limestone.
From recent examinations, there il no doubt
but that the group is also found IN Monroe
4. Sylyanla, Ohio, near the Michigan line, goes
far TO confirm this opinion.
Passing eastward from Mackinac We find the
coast aud Islands founded upon 4 white crys~
talline, magnetism limestone, abouuding In the
characteristic fossils Of the Niagara Group. Il
fo:,ns the principal part Of The tlutf' 1t the
east end Of Drummond Island and is ninety
sercn ieet thick. West Of Mackinac il follows
the west shore Of Lake Michigan and has been
identified at Green Bay, Racine, milwaukee,,
and comes to the surface in the aelgiiborhood
Of Chicago, where the boring for the Artes1an
well at tic Galcna K. r. Workshops show
thickness Of % feet, u Of which being of the
Bituminous Limestone II which the Second
PRESBYTERIAN Church is butt; and Is feet Of
Tie Athens Stone or Chicago Marble. This
group extends across Illinois to the Missis-
sippI. and outcEops scyen miles hclow Du-
huque, forming tue upper strain OF rocHs on
tic bluffs Of the river down to Camanehe,
L. - ,-,,4n fox-a
limestone does not come to the surface in the
Southern part Of this State, but it undont'ed-
r. arches lp beneath the Onosulnga Salt Group,
in the vicinity Of the State line, and forms the
substratum Of the o1is mining South toward
Cincinnati, outcropping iur;y Or fifty miles
north Of that city.
The Clinton Gyoup underlie the last. It is
found TN Drutnmond's Island. where it IS 81
feet tttick- In the quarry It presents beauti-
fu. az,.carnnc., i,csu:. white and tut g1aincd,
! ard comes out In fine blocks. Owing, hower-
| er. to the large quantity OF aluminous matter
| which it contains, severe frost has proved
destructive to blocks freshly taken from the
| quarry.
This group In New York. Pennsylvania, and
| Wisconsin, coutaus h1matisic iron orc. The
fine texture Of this stone would seem 70 adapt
1t we'll for lithographic purposes. We now
| come to the L9tcsr .silnrt1n System.
On the north Side Of Drumnloul,s ls'ana,
/
l:ivr Group, which :r. here eighteen feet
thick. They form l belt across st. J0seph's
Is,an,l, thence over the main }aEa toT:i<d the
| southwest passing under the Bottom Of Green
Ray aud Lake Wianebago, in WISCONSIN,
thence southwark, exhibiting considerable de-
yelopment in that State. Continuing further
/ sunth into Illinois, it has been identified near
Isclyiderc, By ProE Worthen, the present
Geo!ogist Of that State, everything the Gaicna
limestone. It ontcrops on the Mississippi,
three miles below Dubuque, and has been no
ticc:. at Lyons, lows, bclory the Niasar:. lime
sts,uc, aud again ou.croIs ut Ca:, a1lz Ores,
Missouri, and short distance bclow the
mouth ot the Illinois River, aud at Cape Gir:,E-
dean. Missouri.
| I;e;ow this formation, south and west o1
Isrunl1llond's Island, il the Trenton GroEp
| They are the lowest highly foss!lifcrous rocks
aui the lowest in this State, il, which ass:uial
rc,l,aIus have been found, and are here my
| one feet thick md Of great value for building
and lluxing They have been found At Nc
| Gregor, Iowa, on the Mississippi, aud extends
| southwark, 70 rs to form the ellhstyarum upar
w!,irll the Galcua limestone rests, rcAppearin@
at Cap at Grcs, Missouri, and again outcrop
| ,,;ug 1t the mouth Of tue Illinois River Al
T1.lcs, Missouri, 1t forms tho upp.r laTt O
| The bluff u:,t:l near Cape Girarlcau.
The n1:stlIn Gruup IL found On Sngar lsI.nt
to the thickness oi s, feet. Il e<tr,ld- tAene,
| to ttle SArlt along the shore Of Lake SuI;cro
into Wisconsin, and is well Developed n;l til
Mississippi. At tlc mouth Of tlc Upper low;
River, extending fat to the Northwest. II l.
ti,c lowest tnssil;ferous rock known.
We hare now done with tue ra!Gzotc or fos
si1 bearing roc:s, Which, us far as observed
measure l. 1G fert in thickness.
The Azoic nr unfusslilif.rops stE,ta, til
tirauitic and Volcanic rucks arr founti in til
Upper pcninsul'z, and hive not Jet been *
anlined by the present surrey The survey Il
| Foster and Whitney so full; identified au'
described thc different formations that lit'l
remains here to be done, and rs far as NJ,
own examinations hare extended. they col
lirn tho investigations of the above name'
gentlemen.
/ Island to The shorc of Lake Huron, and th
north shore Of Lake Michigan TO Green Bay
thus occupying the lower part OF the Upre
| Peninsula, forming belt Of about ~ mites il
width. Tie Hudson Ritv,' Group, startin. froE
the same point runs nearly parallel vi: !, tho las
increasing III width until at Green Bar. Til
. | Tr:nton Group is nest found, commencing a
f S. 1D.cpll's island aud increasing in widtlln:
Ill II FIRMS The West sl.are OF Gseen Bay, III
: extends down into Wisconsin. 4 C.1.c.ts'n!
Sandstone il next noticed commencing Ut III
same point with the Last, and Is about 81
miles wide, increasing in width as 1t run
{ | West aud South. running nearly parable! wit
! | the last formation, until at Gr.'n:i Rapids u
the pru}c or Wcsacoto River, The fssf1ut
,S,,adaene Is seen next on Sugar Island extent
: | ing thence to the Sau!t St Marc, rnnni,,
5 | Westward, forming The South shore Of LAX
. Superior to Carp River. Thence Sonth an
1t a=a;n 1na:<es IFS appearance 1t PEesque lsl'
forming tho sll,re of the lake uatit near til
1noutl, Of the Huron River, and lines kcncwa'
f Bar to Be Grls Edie: From the two Ii:
l points it extends South and West nesrly to h
: Wisconsin line. Nothing is seen Of it unit
= IT,. 80 .tnF -,1-f,n
{ ::.:1in re-appt.rs. forming the South anu Soufl
Z | west shores Of the lake.
We next come to the Ljneous Jorna1so''
, | assari,setl with the .a:ue, and We hnu Il,
(r1nitic T1cs arc iirtt noticed in the iateriors
! the Peninsula, adjoining the h:sa..ns .sla*
) s!oae, ard arc seen for few miles on the slol
If the lake, neir presque Isle and .hc 1no.:
!. Of Huroa River Next wc find, n'r1h III
west, the the -Ne.anaI7hie form ,t.n'x, or 40
! | srxfekn. The EtrxsaNlHe .s<hi,fs Of this firm:
: 1iru ar: found on the lake, between Carp an
/ | Dead River, and extend south and west. II
t crcas.n, in width. down into Wi'con-in. Ma
uuettr is in this formation. In it nre foar
e ! 1atchcs of Tn1pp<uA Raekx. The -i-oic syst.
: associatc4t With the >aurian fy1tm in Il
I'rdppAdn EoeAx, i. sen un the north shore
lsute Girls Bale, extcndin. southwest 10 u
: Montreal River into WISCONSIN, aside Of X
a Last formation. In bel,s, arc the Coay1oza71
!, Iytts Of the S:Iara1n .Sy4a7n. l1anitNu l+lau
I
I to Eagle River they form the lake shore.
Il Th: lecturer concludtl by sayin. that he h:
}. now glanced at the geologic Michigan aud II
}. Interest which ATTACHES to it bccosnes mo
:. apparent The better It is uudcrsooI. Nhe
i | titnrouShsy Investigated, anil thr results el
r bodied In i proper style, We ri,.ti hare Il I
r 1:ort possessin. more than ort;nlrr scientt:
:. | and economical interest. Ii there IL tsnttonh
}. eaiv scarcely State in the Uuion possessed
r. s::a variety and inexhaustible EesouFcc
: / mineral products as Michigan.
= Thus closed ono Of the most interesting III
J. | practical lectures on geology It has been u
r. | rood fortune ever to lister 10.
= 4 Burglar Shot and Cmrtured-0v.
= Rl5,O0U Worth Of rlunder Ikecorere
!, The Sew Orleans papers of Suuday cuuta
S lang accounts OF the CAPTURE of buE:1
J. nauied Charles II. Robinson rlias c. {. t1t
l. don, a:.l the recovery of about S1s.0a) wo:1
D Of stolen property. At an eaciy f!our on 5.
c urdsY morning Alr. +. Il. Montelio, Of y
n 1873 canal Street, was awakened by noise Ut
t door in the third story oi his house. openil
II out upoi, balcony. Arising cautiously,
u perceived that tile shutters l,sd been olcne
l. and through the cloth shade distinguished
te outline OF a man stooring to raise the "a:
Ira n