Résultats préliminaires de l'expédition géologique de l'Université de Harvard dans les montagnes Rocheuses du Canada (Jasper National Park 1929). Note n° 1

Article

Reference

Résultats préliminaires de l'expédition géologique de l'Université de Harvard dans les montagnes Rocheuses du Canada (Jasper National

Park 1929). Note n° 1

COLLET, Léon William

COLLET, Léon William. Résultats préliminaires de l'expédition géologique de l'Université de Harvard dans les montagnes Rocheuses du Canada (Jasper National Park 1929). Note n° 1.

Compte rendu des séances de la Société de physique et d'histoire naturelle de Genève, 1930, vol. 47, no. 2, p. 80-82

DOI : 10.5169/SEALS-741279

Available at:

http://archive-ouverte.unige.ch/unige:137294

Disclaimer: layout of this document may differ from the published version.

1 / 1

6e$1&( '8 -8,1

/LGHQWLILFDWLRQ

^{GHV PrPHV} SXLVVDQFHV ^GH

W

^{SHUPHW GH GpWHU}

PLQHU ^OHV FRHIILFLHQWV

&

‡ 7 ^a

A A

HQ OHV

SRUWDQW

^GDQV OH[SUHVVLRQ RQ

REWLHQW

9

J 

^{,ª &2}

^©‡`

^&2

^{© @}

YDOHXU ^GH FH SRWHQWLHO ^HQ XQ SRLQW ³ LQWpULHXU j OD VSKqUH F

6pDQFH GX

MXLQ

/pRQ: &ROOHW ² ^IpVWL==DIV Yp=ZUHZDLUHV ^GH =IWUSpH=LIZQ

JpR=RJ0MXWH

A

=&=UHw3HP=p GH

LDUFDUG

^{GDQV =HV} GRZIDJZHV

=RF$HWWVHV GX &DQDGD IDVSHUL9DLLFZD=^3DGF

/

²^{1RWH 1ƒ}

$YHF _XQH SODQFKH

/H[SpGLWLRQ GRQW MDYDLV OD GLUHFWLRQ ^ILQDQFpH SDU ^{OH 1$D==HU} )DQG

IXW

SUpFpGpH GXQ FRXUV ^GH YDFDQFHV GX 'pSDUWHPHQW

GH *pRORJLH ^GH

O8QLYHUVLWp

^GH +DUYDUG VRXV OD GLUHFWLRQ ^GHV 3URIHVVHXUV . ) 0DWKHU HW ³ 5D\PRQG DYHF OD FROODERUDWLRQ

GH (G 3DUpMDV &KDUJp ^GH &RXUV j

O8QLYHUVLWp

^GH *HQqYH

'XUDQW

_XQ ^PRLVFHV VDYDQWV ^DVVLVWpV GXQHYLQJWDLQH GpWXGLDQWV

]pOpV pWXGLqUHQWOD VWUDWLJUDSKLH^HWOD PRUSKRORJLH^GHVPRQWDJQHV ERUGDQW OD YDOOpH ^GH O$WKDEDVFD ^GH OD ERUGXUH (VW ^GHV 0RQ WDJQHV ^5RFKHXVHV MXVTXj ^OD

YLOOH

^GH -DVSHU DLQVL _TXH OD

VWUDWL

JUDSKLH HW OD PRUSKRORJLH ^GH OD UpJLRQ ^GX 0RQW 5REVRQ /D PRUSKRORJLH VHUD WUDLWpH _SDU ^OH 3URIHVVHXU 0DWKHU WDQGLV _TXH OH 3URIHVVHXU 5D\PRQG SXEOLHUD ^{OHV UpVXOWDWV GH} OpWXGH

VWUDWL

JUDSKLTXH GX 3DOpR]RwTXH

/H[SpGLWLRQ FRPSRUWD GHX[ SDUWLHV ^'DQV OD SUHPLqUH GXQH GXUpH GH WURLV VHPDLQHV ^OHV UpVXOWDWV REWHQXV GXUDQW OH FRXUV

6e$1&( '8 -8,1 GH YDFDQFHV IXUHQW UpYLVpV HW FRPSOpWpV VXU ^OHV ULYHV ^GH

O$WKD

EDVFD HW VXU OHYHUVDQW (VW GX0RQW

(GLWK

&DYHOO

< SDUWLFLSDLHQW

OHV 3URIHVVHXUV / : &ROOHW HW ³ 5D\PRQG ^OH ' (G 3DUpMDV 0 +XWFKLQV ^GH

O8QLYHUVLWp

^0DF

*LOO

0RQWUpDO HW 0 $XJXVWLQ /RPEDUG ^GHV 8QLYHUVLWpV ^GH +DUYDUG HW GH *HQqYH 'DQV OD

VHFRQGH SDUWLH TXL ^GXUD FLQT ^VHPDLQHV / : &ROOHW (G 3DUpMDV HW $ /RPEDUG DSUqV XQH pWXGH ^GH OD UpJLRQ ^GX 0RQW 5REVRQ WUDYHUVqUHQW DYHFXQ

WUDLQ

^GH FKHYDX[^{OHV FROV GH}0RRVH

8SULJKW

HW$GHOLQH SRXUUHFRXSHU ^HW VXLYUH FHUWDLQV DFFLGHQWV WHFWRQLTXHV HW UHMRLQGUH ^OD ULYLqUH ^6QDNH

,QGLDQ

HW OD YDOOpH GH O$WKDEDVFD 'HOj XQH UHFRQQDLVVDQFH

IXW

^{HIIHFWXpH GDQV ODYDOOpH GX} 7RQTXLQ (QILQ SHQGDQW _TXH (G _3DUpMDV HW $ /RPEDUG VH UHQGDLHQW j 9DQFRXYHU HW j %DQII / : &ROOHW WUDYHUVDLW OH 6KRYHO 3DVV GX ODF GH 0DOLJQH ^j OD YDOOpH GH O$WKDEDVFD YRLU OD FDUWH

/HV UpVXOWDWV SUpOLPLQDLUHV ^GH

OH[SpGLWLRQ

^{VRQW OHV VXLYDQWV}

$ /D ULYLqUH $WKDEDVFD VRUW ^GHV 0RQWDJQHV ^5RFKHXVHV SDU XQH YDOOpH TXL VXLW XQH LQIOH[LRQ _V\QFOLQDOH ^GH OD[H ^GHV SOLV 1RXV UHWURXYRQV GRQF Oj XQ ^{FDV VHPEODEOH j} FHX[ GpFULWV SDU 0DXULFH /XJHRQ SRXU ^{FHUWDLQHV YDOOpHV GH VRUWLH GHV $OSHV}

% /HV 0RQWDJQHV 5RFKHXVHV ^GH OHXU ^ERUGXUH (VW DX &RO GH OD 7rWH -DXQH <HOORZ ^{+HDG 3DVV VRLW OH} ORQJ ^GH OD ^YDOOpH

GH VRUWLH ^GH O$WKDEDVFD PRQWUHQW XQH VWUXFWXUH HQ S=LV GH RQG ^'HV FKDUULDJHV VHFV DX VHQV G$UJDQG RX EORFV DX QRPEUH GH VHSW VRQW GpOLPLWpV SDU XQ ^{QRPEUH pJDO GH FOHDQ FQ= …LUDUIV} (Q GXUDQW XQH UHFRQQDLVVDQFH HIIHFWXpH VRXV OD FRQGXLWH

GH ( 0 .LQGOH ^{GX 6HUYLFH} JpRORJLTXH GX &DQDGD SDU

/

:

&ROOHW ( ^% %DLOH\ HW ^{5 0} )LHOG GX &RXUV ^GH YDFDQFHV ^GH

O8QLYHUVLWp

^GH 3ULQFHWRQ TXDWUH ^{GH FHV} FKHYDXFKHPHQWV DYDLHQW pWp HQWUHYXV ^PDLV QDYDLHQW _SX rWUH GpFULWV IDXWH ^GH GRQQpHV VWUDWLJUDSKLTXHV VXIILVDQWHV ^&HV UpVXOWDWV FRQILUPHQW

ORSLQLRQ

^pPLVH _SDU ⁽ $UJDQG VXU OD VWUXFWXUH ^GHV 0RQWDJQHV 5RFKHXVHV 7HFWRQLTXH ^GH O$VLH SDVVLP ^EDVpH VXU ^OHV SURILOV SXEOLpV SDU ^{5HJLQDOG $} 'DO\ ^HW %DLOH\

:LOOLV

^GH UpJLRQV SOXV PpULGLRQDOHV

(Q UHPRQWDQW OD YDOOpH ^GH O$WKDEDVFD ^GX 1RUG DX 6XG

2Q

YRLW

^j 5RFKH

%RXOH

^{OHV FDOFDLUHV} FDUERQLIqUHV FKHYDXFKDQW OH &UpWDFp LQIpULHXU ^GHV *UDQGHV 3ODLQHV

6e$1&( '8 -8,1

6XU OH YHUVDQW (VW GH 5RFKH 5RQGH ^OH &DPEULHQ _UHSRVH VXU OH &UpWDFp LQIpULHXU

$X SLHG ^GH

*UHHQRFN 0RXQWDLQ

^{GDQV OD YDOOpH GH OD}

6QDNH ,QGLDQ 5LYHU ^OH 'pYRQLHQ LQIpULHXU HVW FKDUULp _VXU OH 7ULDV

'DQV OD

9LQH &UHHN

^{OH 'pYRQLHQ} UHSRVH pJDOHPHQW VXU OH 7ULDV

'DQV OD IDFH 6XG GX

*DUJR\OH

RQ

YRLW

^OH 'pYRQLHQ UHFRXYUDQW ^OH -XUDVVLTXH

6XU OH YHUVDQW

GURLW

^GH

&REEOHVWRQH

&KHHN ^OH &DPEULHQ LQIpULHXU _{UHSRVH VXU} OH &DUERQLIqUH

6XU OH YHUVDQW (VW ^GH

3\UDPLG 0RXQWDLQ

^OH 3UpFDPEULHQ

&RXFKHV GH %HOW FKHYDXFKH OH &DUERQLIqUH

& 'HV $PPRQLWHV SURXYHQW ^{OH[LVWHQFH GX} /LDV VXSpULHXU HW GX %DMRFLHQ DX VHQV DQJODLV GDQV ^OHV DUJLOHV ^{QRLUHV GX} -XUDVVLTXH ^{GHV FKDvQHV} LQWHUQHV ^GHV 0RQWDJQHV 5RFKHXVHV GDQV OH _-DVSHU 1DWLRQDO 3DUN

' /H 7ULDV GX -DVSHU 1DWLRQDO 3DUN HVW HQ JUDQGH SDUWLH PDULQ _{HW QRQ} FRQWLQHQWDO FRPPH RQ ^OH

FUR\DLW

( /HV TXDUW]LWHV TXL IRUPHQW ^OHV PRQWDJQHV ^j O2XHVW GX ODF 0DOLJQH \ ^{FRPSULV OD FKDvQH GHV 5HPSDUWV GDQV OD YDOOpH} GX 7RQTXLQ SDUDLVVHQW GHYRLU ^rWUH DWWULEXpV _DX &DPEULHQ HW QRQ DX 0pVR]RwTXH LQIpULHXU FRPPH

OD IDLW

^{( 0 .LQGOH}

/HV UpVXOWDWV GpWDLOOpV GH OH[SpGLWLRQ VHURQW FRPPXQLTXpV

LFL

PrPH SDU ^{OHV PHPEUHV GH}

OH[SpGLWLRQ

^DX

IXU

HW ^j PHVXUH GH OD PLVHDX QHW ^GHV FDUQHWV GH URXWH HW^GHOpWXGH ^GHV PDWpULDX[

UDSSRUWpV

4XLO

PH VRLW SHUPLV HQ WHUPLQDQW GH[SULPHU PD SURIRQGH JUDWLWXGH ^j PHV &ROOqJXHV ^GH OD 'LYLVLRQ HW GX 'pSDUWHPHQW ^GH

*pRORJLH ^GH

O8QLYHUVLWp

GH +DUYDUG HW SOXV VSpFLDOHPHQW DX[

3URIHVVHXUV 0DWKHU _{HW 5D\PRQG} (QILQ _MH QH VDXUDLV RXEOLHU

FH TXH MH ^{GRLV j 0 OH ' (G} 3DUpMDV GRQW OD FROODERUDWLRQ PD

pWp SUpFLHXVH HW ^j 0 $XJXVWLQ /RPEDUG TXL D pWp XQ ^DVVLVWDQW GpYRXp QRQ VHXOHPHQW GXUDQW OH[SpGLWLRQ ^{PDLV HQFRUH DX} ODERUDWRLUH j +DUYDUG

/DLRUDvRLUH ^GH *HRORJLH GH

I

^{(KLHHUVLvH GH *HQqFH}

[6KDH

?ª ^%DQ+

*DUJR\

3WHVSHQGHQ&

)REV RQ

3\UDPLG

V!\H^ORZKHG-RL

3DVVA\ ^V _S(/D3H^0HGLFLQH

6KRYH 3DVV

&DYH

$/%(57$

%HUJ/DJJ+H

)LQQH\

/DKH\

FDLKS3V6H ^D 3HUGUL[

%5,7,6+

&2/80%,$

LQ Q Q

^QHUHV

^LUH

&DPS

)URQKLH

UH

QWHUSURYLQFLDH /LJQHV

)HUUpHV

^S

(FKHH

0DWRQH

_L /DGH

,WLQpUDLUH ^GHO([SpGLWLRQ JpRORJLTXH ^GH O8QLYHUVLWp ^{Gƒ A9DUT} F_DQV MHV 0RQWDJQHV 5RFKHXVHV GX &DQDGD