New-York daily tribune., 1845-05-07

After some trifliug preliminary business, such as
arranging the order of Committees, Nc the PFe'l'
den, said that the subject for the afternoon was
THE rAcoNic SYSTEM OF ROCKS.
Mr. IIrl9runn stated that MIR. Emmons consd'
cred he had discovered Scdmentary rock ueh eesf
than any ot the Slurian series.
Prot Rogers SAID hlnselt ana MS hro'nel naa
spce hown that all those rocks, supposed TO De eaf
,tan the New YORK PaeCznc Rocks Of iho APhlaenhl
chaii are parts that series OF rocks folded aa
changed bv plcaton-by some change OF nlieih we,
and by igDeous etamorpho,es which hsd Almost oesifo
heir fssifcreus character Ii Professor bnlonss so
called Tacouic system correct We should nave hls
whole mountains and plains made up etieF o' ts group
N,t merely ~ he says that Taconc ROCKS nave o~n
and then rOsscrous rocks or New Ok oeen
dopo.ited on the upttedegs Of the Observation-Disclosures
lies. ufc bearing period Of tho globe Emmons places The
lower Surian Ks of England and his raconc rocks on
level long anterior the Newly ok group. But bis les
sls on which he this data are Identical Win those
OF the Trcuton limestone aud the New-lork slate Snne
not Identified as yet but It Is Impossible 10 go hto
locality OF old aud well explored r,eon and not
ind some new fossils but all these others evidently teoEs
70 species have air. ady described as Ueoasns
TO the New York system. The Nc elites CT Prof EumoG'
sve no evidence OF belonging TO lower group lnan inos
) the oler SurIan OF England or the New-fork sr'19~
which they hsd already been r'terred.
Prot HIR Ihrn exhibited section ot the rocSs
from the states West of the Hudson the bli-
soD rear Trey and going he Connecticut Ryef
IIo dcried that these any older than t- Old Su1n
rarce OF England than the isslcrons ro' Es of nS
fu ,sOn, PAllezJic gruups. 10 w WV
bites and encrtua stems ard uniYalyc shells ec'c'F h
iar TO those of Trenton Limestone, between ioy ana
the town Of Adams; and stl farther East he hnd foud
hat singular and characteristic FOSSIL the Scohns sot
A,s in the granular quartz. II they were hn entre hi
erent series rocks Mr. Emmons said they were Wien
ne call them them tho Taconc groupe we should not have
found tho fossils closely allied 10 those OF the ether iof
nations.
Prof Rogers confirmed this view.
Prot De,oey suIl had his doubts about II. lie
though they were older than the old Surian group.
ALABAMA PRAfRIEs.
Dr. Kane exhibited some specimens oI cheAY
fossil ani rocks from the prares Of Alabama, sniar 70
the green saud OF Delaware; tie bottom of the 'erNy
Also some curious about the boring Tor "asf
BY artssian wells near the ronlbigbee River.
The Convention then elected the following oih'
GERS unanimously:
DR.. JAcKsoS OF Boston, President for next year
Is. snLisAS, Jr. permanent Secretary
Prot .SHtiman then gave very bret bnt inter
estng account of the Iron Mountains, ol Missouri
700 feet high, made up OF large blocks taoi s'ra's
or vrins) of hydrated- peroxide OF ire1 and ihs
meeting adjourned to hear Prof Ro2eTs's iecfarrn
the Middle Church on Volcanoes and Earthquakes;
after which they all had an elegant supper aud con
yersazione at Mrs. Whrney's hosPiabs manson.