New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1850-08-26


are pianbasinized, carssiniog a <ater LIZ o.
exr5rsrh,-r 70 Is ard of eertby Dstter 1872 per
cent Thzt - !rsin me space Of ~ mics are ioaho
casserisls ciHerias even more ~ioely ron eaol
otter thar TIE ser1i btsranoes eoai o. s.ony ofoe
h p.&-.vIv.,fs differs ron The hardes, soshracse
81 :. - Ne, distant on the Lshigh the nogta east
-, ,.,u.su.fion O. The sane coa Geld. Toe norm.
s...<-r proions sfinn q the Deep River oosAhsld
.vpesrs % b. the cistrict which furnishes zoe pism
10 . saS pun be sino0s states 1esr Raleigh which
bss ben extensively wrought Ter zoe purposes o.
POI Nv B Ro0rRs made SONS observstiols
- he oosJ s,rusfiors Of Virginia aud The Pennsy
rxris coal Eed. and ieit exuems reluctance % CIV
~ tbs nare u coal fed 70 the region described
~ Pr,,< Jobnsop, 90 much - be would Ia GnDo9no-
tsr tie presence o. gold from the accidental disco
sry aa fev sDecinens Of s1riierous qgsrtz
M ". c REDFILD made some remarks Ia con
sinv.tion stating that sne Goa had been known
snce I776. ard was used In the smtoies.
NJ J. n. GIBSON observed that Prof TcomsY,
vhils at his hoose some Eve years ago had men
tiorec the exirencs q this bed bat did not consi-
Ter Il o. great importance og f9ei
Prof AGAsslz was interested Ia the subject from
she possibility Of TIE tr9th Of the conjecture 10
wh5cb il gave rise. that there ia development Of
beds 10 Ansrics younger than the New Red Sand
store Of Europe and hence points 10 new dis
s0vsdeL
Tie remaining portion Of .hs afternoon ia this
Section was occupied with observations on various
rev pbsBonens IN the Animal Kingdom, by Prof
AGkssIz.
Ths paper on the @T4conic System" read by
Mr.. 7 3 HUST, ia the Geological Section yes;er-
day, vss an interesting comma nics'ion, ADD pre-
scented some facts worthy Of attention. annex an
abstract
TIE TAcoNc sysIEs,EEw-YoRK AND
Mr.. Hunts remarks teDGed 10 demonstrate the
crest similarity which exists between the Green
Mountain rocis and those Of the Hqdson River
group. The results Of the Survey nave SHOWN
that the Green Mountain rocks are nothing e.se
thar the rocks Of the Hudson HiVer group Nlso
the 6hav2pguIk c0BglODerEtss 10 metePnofPnc
oorditic o. Tie called Tsc0Dic rocks are series
Of ssndstones states and lImestOnes, found AZ toe
western base Of the Green Mountains, ana ooIooe'
on the West by the Lower Sil0nan ROCKS u Ns*'
York Although similar Ia iltbooglcn cna'ac,9l -
The rocks Of The upper psr Of the Hsds1n f"e'
sroup ard the ana EaDguDk grts, they nave been
REGARDED BY Prof EmDOns as oder tnau Ins 81
moan formation and brestipg up through u Ihs
view is however, entirely at variance WIN tne
structure Of the region as deouceo Do'h i'Oa s.'4
graphical and geographical structure. II mess
sgnso.ed Taconic rocks are really an older iOrms
tiop breaking up through tho plGfisn rocks On the
eat shOre Of Lake Cbanpiain, aud toere pisylDs
such cons picuous part, bow comes u tntt aisT
miles only 10 the west this formation has entirely
si,auu cared and the 6iurAn rocks reIt directly
which is 90 largely developed IN Northern New.
York AID the same absence 10 oIiicrmy marked
along the whole northern outcfop OF THIS iormauon'
a distance many hundred miles along the north
shore Of tho 81 Lawrence. Again, on the ea,t,
we have an Upper SLurian formation, which s
trscesbe from the valley Of the Connecticut 20 the
Bay des CbsleuTs Along iw western base, near
the Province line we recognize no other tban those
tAloose, LnicacO0s and msgnesiah rockss with tn9f
associated deposits, which pass into the so'caIsd
L. fkar hg Hiuniu m IL n ~
metspOrphism. II these are not the Lower 81
Iorian rocks Il would be necessary 70 suppose that
formation entirely absent, for even admitting
want Of conformity between them and the Upper
SlodsD they should la region thus distuf6ed Re
somewhere exposed
Thus 70 accommodate the theory Of the Taoonic
rocks 1t is necessary 10 suppose In this section
total absence Of the TtcOnic rocks at the Western
out crop OF the Lower bilurian, and as complete q
deficiency Of the Tower SDurian on the Eastern
side Of the Tsoonic. The two great limestone for.
nations mentioned are traced, characterized BY
their respe Give fossils, for distance Of 700 miles
TO the N. r.. 10 the peninsula Of Gmpe, with "a an.
varying breadth between the boundaries OF the
two Of about so miles, constituting feature not
less remarkable geographically than geologicahy'
While as already remarked we have its Western
border reposing directly upon the Byenites aud
crystaIine linnestones, between these two great
formations, both dipping 8. e., We have series
which a. they 20 N. Y. gradually lose their meta
uOTpbiC character ana are feCOBnlIeO ~ tuo IOChh
sfthe Hudson River Group. Such arethefacts that
lead 10 the conclusion that between the crystalline
rocks Of the asst aide OF Lake Champlsin ana tne
North shore Of the st. Lawrence on tne one nsno'
and the u PIPER Blluriss limestones al the mtefn
base OF the Green Mountain range on the other,
there are rocks more ancient thsn tne ohurian
should have mentioned before that at the open
ing of the afternoon session OF Thursday the thanks
Of the Association were voted TO the Mayor and
Corporation Of the city Of Charleston for their iber
atty In the publication Of the proceedings Of the
Convention In that city ia March.
The per following that Of Prof OLMsTED at
this session lengthy commune alton by Lieut..
DAVIS on the Nautical Almanac"
THE AMERICAN NAUTICAL ALMANAC.
The determination Of Congress 10 establish a
Nautical Almanac by appropriating small sum
for Its preparation, was made known at the Can.
bridge meeting Of the Association. When called
upon 10 superintend the work, Lieut. Davis was
DESTROYS that il should be credi.able as well az
useful 10 the country that while il served the
present purposes, IL should endeavor also 10 ina.
prove tho present means Of SAFE navigation and
shat his own labors should be turned TO the best
account In order 10 render the predictions the most
valuable TO the practical astronomer. Lieut.. d.
considered that IL belonged TO hs office to advance
that which 10 and always has been the principa
object OF Astronomy; to supply Precepn by which
the movements OF the heavenly bodies, az they ap-
PeW W " hVn VIC ostn, cah DO chcuiaten. Aho
problem that has been, and 10 10 be, solved by AZ
uonomy. 10 10 acquire such a knowledge OF the
motions OF the heavenly bodies as 70 be able 70 give
asatisfactory account OF them NJ ali tines. Some
thing should be done to yard the solution OF this
problem In the Office Of the Nautical Almanac
The most eheotual means have been taken for
carrying out these views and Of securing the high
est character 10 the Almanac. by.engagiDg the CO.
operation and advice Of Prot PIERCE OF Cambridge,
whose name affords q sufficient guaranty that
whateyeri 10 undertaken In theory will be credit
ably executed. Several other gentlemen OF dis,
tincton also invited to assist In this work o
theoretical prepsration--aot DO wever, with &C
a n s...s n