5S2
N O R T H A M E R I B A.
M qu-htai
The moft.celebrated mountainsjmbjwth America are thpfe .called $ie
Apalaehian,' pafftng^hramgh thbJtemtory.,of the Uafe&S'?*eadfcom «he
^ g w t B R n ._E. According, th-the-belt .maps they commence an {he
-north' ^Georgia, where they fource'to'm&ny .rivers runmnffomh
’ to the gulf of-Mexico; anil to the Tenaffee andtotbprs runnrog^rth.
: Thereie feveral collateral ridges, as the Iron, - on Bald-Mountains, fee .
White Oak Mountains, and ‘others^ the exterior £kirt-on-‘fhfe N.j^V.
being the 'Cumberland Mountains The Apalaehian chain hhffpce
extehds ’ through the wefteto territory of .Virginia,-acc-dm^ed- with
its collateral ridges,"the btoadth of the whole being oftetr *
.and proceeds through'Pennfylvania, then paffes Hudfon .river; * d afterwards
rifes ro more elevation, hut fekfts -to empire in' tft&stSuntry of
blew Brunfwick.*
Thd Apalachi^i ghain may thusextend about ^do-g.miles/^gth
ipnrivalled by m f European
In no chain perhaps are the collateral ridges 'ffiore dihrihg' arfd H&tu-
ralift would atbnch pronounce that the central, B r a ffift» p bg
granitic, 'the next fchiftofe, ’ and the exterior bglts fhe
granite feems commonly to confift of white feltfpar,\bph.: og er
pehucid quartz, and black mica. The l^ i f ^ e ^ d ^ p q p jp e t a l -
liferous in other regions, here prefents „cppgW ^ in CanadaEd
and filver are feid to have been d ifco v^ v The
as ufual, many petrifadions, particularly the .cornu
■ fcallop Cbell, and feveral forts of corals.8 The height of the fipsf
fummits does not appear to be precifely afeeptained; feutprobably ioes
not exceed 3000 feet above the fea; and they are often clothed with
* T h e dhmf fummits appear to be in the province of New H ampffire; where the W hite Mountains
are b y fotne reported to be 9000 feet above the fea. For a particular .account of th^e
■ mountains fee Morfe’ s American Geography, p. 292. But the Duke de Rochefoucaull: iajs
tha t no mountains in North Amer.ica'-exceed the Vofges, or Wafgau. Kalm, u. 352,-ab le r«
tha t the fnow, even on the highell mountains, always melts 4unng the fummer. I t may well dl
affirmed that the White Mountains cannot much exceed 4000 feet: and the grimier , ol the
Pyrenees at 9000 feet fhew therfutility o f the calculation. - I t is probable that the higheft mow-
tains o f North America are towards the weftern fhores along the Eacific.
'* Pennant» A. Z. ccxxis. , \ forefts»
I f O R T » AME R I C A . 553
forefts. . Mr. Peaks qfVOtte*; the higheft of MoTOWl„
w h a t ^ f A ^ i y ^ B l u e M o i ^ ^ ^ ^ t t l^ t e than '^ p feet in
» t i f ^ d at anry^ftte '^ i^ |^ e r^ fe !i.that ofi SnoWclorfjT^
- "^The th& dul^f^v^flehelo^pauk in North America,
prefent feme valuable information concerning the orology.* The pri-
W.tijMye^feousi’rqck is banks,>with the.granitic, -
a M s * ^ of-..tak
appear, inftead.of. mioay- There are^|l^ypmy.of. hq^hlbrnde, quartz,
ahfts^narble,, ;in the pofttjgin of, gietalljc, -v.eiins5'TLiq..,a'remaiAable
.^i^fEilpgy^thjat -^e^-gramtiG mountains,apprpoph neareft
m m B m and
/°,medmg.^Os^af^«tb? breccia, and argillaT
i i l l l H 1
care^tpe^sv;. „WhUp in Lowes Cfoada.» th$®\
'g ^ # ^ c l0 g i |d a jA | ap-*
321(1 at the Beloe|h $if$i^much ^
trayener^is-t^blackvf^^^^M^^netofefcajim*
T'fee^rg.ck> of ^ehep^s faid ■- toi gj-a|^^SmiDg]e(^ .with, i
fifjjK i and w ^ kcal^ed the^^skfef diamomis,vbkauiu'qu trU ciyftals
KB WmSMBmSSP&t F 5 mingled w.it£ lime-
^ B ^ . ^ e f a n k c^N^rfpu^dlaqd ^ S J o ® t S e a. mafs.^pf
Sranil|spcflXered with fand.|, Towards New^orl^^
MMWI f
Car^ a and Florida' the granitic aT^ g rftderabfe.
diftape^fyom. the- fea,. whicbJ«feenjs gradually}, to have^etired. - 3^lidS
traveHdr;.:iapfi®^nidpy^the h ig l te^ S ^ ^m ia Ndrthi
America sftipqpt exceed;the elevatipn,. of .the -Vofges. j.rT ‘L' ’
Perh|p^ -or' 5.QOO feet.
But from-the travels of Kalrh,. a far more fkilful. naturalift, it would
appear that the rocks ofNorth America often confift of a fubftance undie.
Journal des Mines, No. y4 Ventofc, an 7 .. T his valuable journal has been
ecen.lly.le.fllraccl , . after an interanhoftwo years.; No. 55 being-Germinal an 9. - M
m1l i J ! V? r , i a ,0 fNiagara,feiL; 0Yer a fine white calcareous fretftone, hardened b y the fand o f '
4 > and which our traveller ftfan^ly fuppofes tO'b.e'gypfitm,
< » i " * ■ m ' i i i i s