Article
Reference
Résultats de l'expédition géologique de l'Université de Harvard dans les montagnes Rocheuses du Canada (Jasper National Park, 1929).
Note n°2: sur la présence du Lias supérieur et du Bajocien dans les couches de Fernie de Fiddle Creek
COLLET, Léon William
COLLET, Léon William. Résultats de l'expédition géologique de l'Université de Harvard dans les montagnes Rocheuses du Canada (Jasper National Park, 1929). Note n°2: sur la présence du Lias supérieur et du Bajocien dans les couches de Fernie de Fiddle Creek. Compte rendu des séances de la Société de physique et d'histoire naturelle de Genève, 1931, vol. 48, no.
1, p. 14-18
DOI : 10.5169/SEALS-742072
Available at:
http://archive-ouverte.unige.ch/unige:137293
Disclaimer: layout of this document may differ from the published version.
1 / 1
GH UHSRV
TXLO
DYDLW GpVLUp GDQV OH -DUGLQ ERWDQLTXH GH 'DKOHP(QJOHU D
YX
OHV KRQQHXUV PpULWpV DIIOXHU DYHF OHV DQQpHV 0HPEUH GHO$FDGpPLH GHV VFLHQFHV GH 3UXVVH GqV PHPEUH FRUUHVSRQGDQW GH QRPEUHXVHV DFDGpPLHV HW VRFLpWpV pWUDQJqUHVWLWXODLUH
GH OD PpGDLOOH GRU GH OD 6RFLpWp /LQQpHQQH GH /RQGUHV FUpp FRQVHLOOHU LQWLPH SDU OH JRXYHUQHPHQW SUXVVLHQLO pWDLW
GRFWHXU IWRQRULV FDXVD GHVXQLYHUVLWpV GH&DPEULGJH $QJOHWHUUH
*HQqYH 8SVDO HW &DSHWRZQ
/HV UHODWLRQV SHUVRQQHOOHV G(QJOHU DYHF *HQqYH VRQW DQ FLHQQHV (Q
LO ILW
DX FRXUV GHOpWp XQ ORQJ VpMRXU GDQV QRWUHYLOOH
HW VHFKDUJHD PR\HQQDQW GH PRGHVWHV KRQRUDLUHVGH PHWWUHHQ RUGUH GLYHUVHV IDPLOOHV GDQV OHV KHUELHUV 'H &DQGROOH HW 'HOHVVHUW &H VpMRXU
PLW
OH VFHDX j VHVORQJV HW FRQVWDQWVUDSSRUWV DYHF$OSKRQVH HW &DVLPLU GH &DQGROOH GRQWLO GHYLQW
OH FROODERUDWHXU DLQVL TXDYHF - 0OOHU $UJ
/DXWHXU
GH FHV OLJQHV VKRQRUHOXL
DXVVLGDYRLU
pWp OpOqYH OH FROODERUDWHXU HWODPL
G(QJOHU-
%ULTXHW
/D
6RFLpWp D QRPPp PHPEUHV RUGLQDLUHV0 -HDQ :HLJOp SURIHVVHXU GH SK\VLTXH j
O8QLYHUVLWp
GH*HQqYH
0 3DXO 5RVVLHU DVVLVWDQW j O2EVHUYDWRLUH GH *HQqYH 0 2OLYLHU %DUEH\ GRFWHXU qV VFLHQFHV j *HQqYH
/H
SUL[
GH &DQGROOH SRXU D pWp GpFHUQp j 0 &KDUOHV (GRXDUG0DUWLQ
SRXU VHVWUDYDX[
VXU OHV FKDPSLJQRQV VXSp ULHXUV6pDQFH GX IpYULHU
/pRQ: &ROOHW ² 3pVXO D V GH &3FSpUL3LRQ JHRRJL©H GH
&QLHHUVL]p GH 3DUHDUGGDQV OHV 0RQLDJQHV 3RFIWHXVHV GD &DQDGD
I
-DVSHU ,9D-LRQDO 3DUF1RWH Q ² 1XU OD SUpVHQFH GQ /LDV VXSpULHXU H GX 3DRFLHQ GDQV OHV FRXFIWHV GH 3HUQLH GH 3LGGOH &UHHF
/H -XUDVVLTXH GHV 0RQWDJQHV 5RFKHXVHV HVW FRQQX VRXV OH QRP GHFRXFKHV GH3HUQLH ORFDOLWp VLWXpH DX 6 ( GHOD &RORPELH
EULWDQQLTXH
,O
HVW UHSUpVHQWp GXQH PDQLqUH JpQpUDOH SDU GHV DUJLOHV QRLUHV WUqV WHQGUHV TXL j )LGGOH &UHHN -DVSHU 1DWLRQDO 3DUN FRQWLHQQHQW GDQV OH EDV GHV LQWHUFDODWLRQV GH EDQFV GH FDOFDLUHV JUpVHX[ GXQ JULV EUXQkWUH &HVW j ' % 'RZOLQJ TXH QRXV GHYRQV OD GpFRXYHUWH GX -XUDVVLTXH j )LGGOH &UHHN HQ /HV TXHOTXHV IRVVLOHV GHV ODPHOOLEUDQFKHV WURXYpV SDU FHW DXWHXU QH SHUPLUHQW SDV OD GpWHUPLQDWLRQ GpWDJHV'XUDQW
PRQ H[SpGLWLRQMDL
UHSULV UDSLGHPHQW DYHF PHVFROODERUDWHXUV 00 (G 3DUpMDV HW $ /RPEDUG OpWXGH GX JLVHPHQW GH 'RZOLQJ GRQW TXHOTXHV pWXGLDQWV GX &RXUV GH 9DFDQFHV GH +DUYDUG DYDLHQW UDSSRUWp GHV $PPRQLWHV pFUD
VpHV
0 (G 3DUpMDV DUHOHYp ODFRXSH VXLYDQWH VXU ODULYH JDXFKH GH )LGGOH 5LYHU HQWUH OHV FRQIOXHQFHV GH 6XOSKXU &UHHN HW GH
9LOOH
QHXYH &UHHN GH
ODYDO
jODPRQW
6FKLVWHV QRLUV j %pOHPQLWHV DYHF JUqV LQWHUFDOpV &H
FRPSOH[H UHSOLVVp IRUPH XQH IDODLVH DEUXSWH VXU XQH GLVWDQFH GH PqWUHV YHUV
ODYDO
&RPSOH[H WHFWRQLTXH DYHF GXSOLFDWLRQV UHSUpVHQWp SDU *UqV FDOFDLUHV j PqWUHV $PPRQLWHV HW /DPHOOL EUDQFKHV %DMRFLHQ VXSpULHXU
$
OD SDUWLH VXSpULHXUH RQYRLW
ZQH ]RQH ULW pvpH HO SHURUpH SDUGHV Q]R==QVJDHV =LObRSbDJHV VXU ODTXHOOH WUDQVJUHVVH XQ JUqV
ILQ
TXDUW]HX[H 6FKLVWHV P G *UqV P
F 6FKLVWHV P
*UqV P
D 6FKLVWHV QRLUV j P
*UqV ELHQ OLWpV j WUDFHV GH YHUV P
' % 'RZOLQJ *HRORJLH GH OHOHUDGDH GH OD FDULH $RF$H ,:wHOOH 3DUL-DVSHU $OqHULDJJ
5DSSRUWVRPPDLUH GH OD 'LYLVLRQGH OD &RPPLV VLRQ JpRORJLTXH GX 0LQLVWqUH GHV 0LQHV SRXU Q S
2WWDZD
6FKLVWHV QRLUV DYHF EDQFV GH JUqV LQWHUFDOpV (SDLVVHXU
P SUqV GH OD ULYLqUH HW P SOXV KDXW R LOV VRQW pFUDVpV *UqV EOHX QRLU GXUV HW ELHQ VWUDWLILpV 7UDFHV GH YHUV /DPHOOLEUDQFKHV P
6FKLVWHV DUJLOHX[
S\ULWHX[
DYHF QRGXOHV HWOLWV
VLOLFHX[P
6FKLVWHV DUJLOHX[ QRLUV ELWXPLQHX[ j pFDLOOHV GH SRLVVRQ
$PPRQLWHV HW %pOHPQLWHV %DMRFLHQ PR\HQ HW LQIpULHXU
*UqV HW VFKLVWHV QRLUV IRVVLOLIqUHV 7RDUFLHQ VXSpULHXU HW PR\HQ
&DOFDLUH GRORPLWLTXH SOXV RX PRLQV JUpVHX[ HQ JURV EDQFV P
$OWHUQDQFH GH EDQFV GH JUqV FDOFDLUH DYHF GHV QLYHDX[
JUpVHX[ HW VFKLVWHX[ 7RXWH OD IRUPDWLRQ UHQIHUPH GHV LQFOXVLRQV IHUUXJLQHXVHV OLWV HW QRGXOHV
&RQJORPpUDW j pOpPHQWV FDOFDLUHV HW GRORPLWLTXHV GDQV XQ FLPHQW JUpVHX[ P
/HV FRXFKHV GH
LUXH
FRPSUHQQHQW OHV KRUL]RQV /HV IRVVLOHV GRQW MH GRQQHUDL OD OLVWH SOXV ORLQ RQW pWp UpFROWpV GDQV OHV FRXFKHV LQFOXVLYHPHQW 2U FRPPH GDQV FHW HVSDFHMDL
UHFRQQX OD SUpVHQFH GH GHX[ ]RQHV GX 7RDUFLHQ HW GH WURLV ]RQHV GX %DMRFLHQ
LO
HVW SUREDEOH TXH OKRUL]RQ Q UHSUpVHQWH OD SDUWLH VXSpULHXUH GHV FRXFKHV GH $HPLH GDQV ODTXHOOH IDXWH GH WHPSV QRXV QDYRQV SX FKHUFKHU GHV IRVVLOHV/KRUL]RQ OH SOXV EDV GHV FRXFKHV GH )HUQLH OHV JUqV GX Q DSSDUWHQDQW DX 7RDUFLHQ PR\HQ RQ SHXW VH GHPDQGHU VL OHV FRXFKHV j UHSUpVHQWHQW SHXWrWUH OH /LDV LQIpULHXU HW PR\HQ
1\
D\DQW SDV WURXYp GH IRVVLOHVLO
HVW SRVVLEOH TXH OpWXGH GHV FRXFKHV VRXVMDFHQWHV HQWUHSULVH SDU (G 3DUpMDV QRXV IRXUQLVVH TXHOTXHV UHQVHLJQHPHQWV &HSHQGDQW GRUHV HW GpMj QRXV UHPDUTXHURQV TXH GX SRLQW GH YXH OLWKRORJLTXH OHVFRXFKHV j SDUDLVVHQW DSSDUWHQLU j XQ FRPSOH[H TXH MXVTXj SOXV DPSOH LQIRUPp RQ SHXW FRQVLGpUHU FRPPH WULDVLTXH
'DQV OHV OLVWHV GH IRVVLOHV TXL VXLYHQW
MDL
DGRSWp OD FODVVLILFDWLRQ
VWUDWLJUDSKLTXH DQJODLVH R OH 7RDUFLHQ IRUPH OD SDUWLHWRXW
jIDLW
VXSpULHXUH GX /LDV7RDUFLHQ
PR\HQ*UqV FDOFDLUHV GH OD EDVH GX QLYHDX Q GH OD FRXSH ORHHUDPZV FI GZLLDV - GH & 6RZ
/LPD FI JLJDQvHD - 6RZ 2VOUDL LUUHJDLDULV 0XQVWHU
3VHXGRPRQRLLV VDqVOULDOD 0XQVWHU
&HWWH GHUQLqUH IRUPH HVW FDUDFWpULVWLTXH GX /LDV VXSpULHXU
&RPPH OHV VFKLVWHV QRLUV TXL UHSRVHQW VXU OHV JUqV VRQW GkJH WRDUFLHQ VXSpULHXU GpWHUPLQp SDU GHV $PPRQLWHV MH SHQVH TXH OkJH WRDUFLHQ PR\HQ GHV JUqV QH VDXUDLW IDLUH GH GRXWH
7RDUFLHQ VXSpULHXU
6FKLVWHV QRLUV SOHLQV GH 3FPFIRQRP]D
$URQQL
9ROW] UHFRXYUDQW
OHV JUqV GX QLYHDX Q GH OD FRXSH OwDPPDWHUDV LQVLJQH 6FKXEOHU$XPRPHULD RX &DLX0RFHUDV VS LQG
%DMRFLHQ LQIpULHXU
3IHvGH.LD VS LQG H[HPSODLUH
%DMRFLHQ
PR\HQ/ZGZLJH0D VS LQG H[HPSODLUHV
H[HPSODLUHV
ª
1LYHDX Q
GH OD FRXSH
%DMRFLHQ VXSpULHXU
&RXFKH GX QLYHDX GH OD FRXSH *UqV FDOFDLUHV
©IWHPPDWRHHUDV FI DLqHUWHQVH 0F/HDUQ
3HIHPUHLwHV DIw )RWHLL 3KLO
6H=HPQLOHV VS LQG
*QSKHD $]WFOFPDUHL /\FHWW Ì9LJRQLD VLULDID - 6RZ
QRFHUDPDV 3LQRUHL 0RUULV HW /\FHW
& 56RF SK\V*HQqYH9RO
$
PD FRQQDLVVDQFH FHVW OD SUHPLqUH IRLV TXRQ VLJQDOH ODSUpVHQFHGX /LDV VXSpULHXUGDQV OHVFRXFKHVGH)HUQLH 0H
/HDUQ?
GX 6HUYLFH JpRORJLTXH GX &DQDGD TXL D UpVXPp QRV FRQQDLV VDQFHV VXU OHV IDXQHV MXUDVVLTXHV GX &DQDGD D HQ HIIHW PRQWUp TXH OHV FRXFKHV GH )HUQLH QH GHVFHQGDLHQW SDV SOXV EDV TXH OH 6RQQLQLDQ GH %XRNPDQQ VRLW OH %DMRFLHQ GHV DXWHXUV DQJODLV
&ROLQ + &ULFNPD\ DUULYH DX[ PrPHV FRQFOXVLRQV SRXU OH -XUDVVLTXH G$VKFURIW
%ULWLVK
&ROXPELD 3DU FRQWUHLO
VLJQDOH OD SUpVHQFH GX 6LQpPXULHQ VXU OD F{WH GX 3DFLILTXH j 3DUVRQ %D\ GDQV OvOH G+DUEOHGRZQ 4XHHQ &KDUORWWH 6RXQG
/HV IRVVLOHV GH )LGGOH &UHHN pWDQW WUqV pFUDVpV MH OHV DL GpWHUPLQpV DX
%ULWLVK
0XVHXP j /RQGUHV R MH GLVSRVDLV GH PDWpULHO GH FRPSDUDLVRQ 0 OH ' / ) 6SDWK PD DLGp GDQV OD GpWHUPLQDWLRQ GHV $PPRQLWHV HW 0 / 5 &R[ GDQV FHOOH GHV /DPHOOLEUDQFKHV 4XLOV UHoRLYHQWLFLOH[SUHVVLRQGHPD SURIRQGH JUDWLWXGH*HQqHH /DERUDWRLUH IH *HR=RJLH GH O&QLRHUHLWp
$QGUp $PVWXW] ²L6$U OH[LVWHQFH GpUDSWHRUHV SD=pDROFPZJLHV HQ Ô9GDLJQH
$
OD EDVH VHSWHQWULRQDOH GH OD PRQWDJQH GH *DOWHOOL VXU OD F{WH RULHQWDOH GH 6DUGDLJQH DSSDUDLVVHQW OHV SRUSK\UHV TXDUW]L IqUHV TXL HQ GpMj DYDLHQWDWWLUp ODWWHQWLRQ
GH /DPDUPRUD'DQV VD UHPDUTXDEOH pWXGH GH OvOH FH JpRORJXH OHV FRQVLGpUDLW HQ HIIHW FRPPH GHV URFKHV LQWUXVLYHV SRVWpULHXUHV DX[ FDOFDLUHV PpVR]RwTXHV TXL OHV VXUPRQWHQW PDLV OH GpYHORSSHPHQW LQVXIIL VDQW GH OD SpWURJUDSKLH j FHWWH pSRTXH
ODYDLW
pYLGHPPHQWLQGXLW
HQ HUUHXU FDU OHXU pWXGH PD PRQWUp TXH FH VRQW GHV URFKHV GpSDQFKHPHQW DQWpULHXUHV DX[ FDOFDLUHV PpVR]RwTXHVL
) + 0H /HDUQ ª6RPH &DQDGLDQ -XUDVVLF )DXQDV 7UDQVDFWLRQV 5R\DO6RFLHW\ RI &DQDGD 7KLUG VHULHV YRO;;,
6HFWLRQ ,9 S&ROLQ + &ULFNPD\ ;LH -XUDVVLF 5RFEV R 0VEFURL %ULvLV$
&ROXPELD 8QLYHUVLW\RI&DOLIRUQLD\\
3XEOLFDWLRQV %XOOHWLQ 'HSDUWPHQW RI *HRORJLFDO 6FLHQFHV 9RO Q SS %HUNHOH\
&ROLQ + &ULFNPD\ /EH ªIWUDILJUDSE\ R 3DUVRQ %D\ %ULvLVE&ROXPELD ,ELG 9RO Q SS %HUNHOH\