Article
Reference
Le bassin de Genève se prêterait-il à une étude des varves glaciaires
?
PARÉJAS, Edouard
PARÉJAS, Edouard. Le bassin de Genève se prêterait-il à une étude des varves glaciaires ? Compte rendu des séances de la Société de physique et d'histoire naturelle de Genève, 1929, vol. 46, no. 3, p. 157-158
DOI : 10.5169/SEALS-741048
Available at:
http://archive-ouverte.unige.ch/unige:136058
Disclaimer: layout of this document may differ from the published version.
1 / 1
6e$1&( '8 'e&(0%5(
YRLW
TXH OH UHQGHPHQWYUDL
VHUD GH JU GR]RQH DXNLORZDWW
KHXUH HW OH UHQGHPHQW FRUUHVSRQGDQW GHOpQHUJLH GHQYLURQ
$
OD WHPSpUDWXUH GHODLU
OLTXLGH OHV UHQGHPHQWV DSSDUHQWV VpOqYHQW UHVSHFWLYHPHQW j JU DXNLORYROWDPSqUHKHXUH HW j/H IDFWHXU GH SXLVVDQFH YDULH XQ SHX HW VH WURXYH
WDQW{W
OpJqUHPHQW SOXV
IRUW WDQW{W
SOXV IDLEOH TXj OD WHPSpUDWXUH RUGLQDLUH VL ELHQ TXH OH UHQGHPHQWYUDL DWWHLQW
JU DX NLORZDWWKHXUH FH TXL FRUUHVSRQG j XQ UHQGHPHQW pQHUJpWLTXHGH 1RXV DMRXWHURQV TXHSOXVLHXUVHVVDLV RQW PrPHGRQQp XQ UHQGHPHQW
YUDL
GH JU &HVW j QRWUH FRQQDLVVDQFH OH SOXV
IRUW
UHQGHPHQW REWHQX j FH MRXU/HV DSSDUHLOV LQGXVWULHOV GH SURGXFWLRQ GH OR]RQH RQW GDQV OHV FRQGLWLRQV QRUPDOHV XQ UHQGHPHQW VXSpULHXU j QRV HIILXYHXUV GH ODERUDWRLUH 1RXV VRPPHV HQ GURLW GHVSpUHU TXH ODPpOLRUD
WLRQ
DSSRUWpH SDU OHPSORL GH EDVVHV WHPSpUDWXUHV VHUDOD PrPH TXH FHOOH TXH QRXV DYRQV FRQVWDWpH DX ODERUDWRLUH /HSUL[
GH UHYLHQW GH OR[\JqQHDFWLI
REWHQX DLQVL SDUODGpFKDUJH pOHFWULTXHHVW SHX pOHYp DX UHQGHPHQW GH VXU OHTXHO RQ SHXW FRPSWHU
1pDQFH GX GpFPqUH
3DV GH FRPPXQLFDWLRQV VFLHQWLILTXHV
6pDQFH GX GpFHPEUH
(G 3DUpMDV ² /H pD0LQ GH HQqFH VH
SUrWHUDLLL
j XQHpWDGH GHV HDUFHV JODFLDLUHV
/HV DGPLUDEOHV pWXGHV GHV YDUYHV VXpGRLVHV GXHV j GH *HHU HW j VHV FROODERUDWHXUV RQW SHUPLV GH GDWHU GXQH IDoRQ DEVROXH OHV SKDVHV GH
UHWUDLW
GHOD GHUQLqUHJODFLDWLRQ6FDQGLQDYHSHQGDQW XQH GXUpH GH DQV SXLV GH GpWHUPLQHU OD ORQJXHXU GHV WHPSV SRVWJODFLDLUHV &HX[FL RQW GpEXWpLO \
D DQV HQYLURQ SDU OD GLVORFDWLRQ GH OD FDORWWH JODFLDLUH QRUGLTXH HQ GHX[ OREHV* GH *HHU $ *HRFjURUFR=RJv R vjH =DVI vHDUV &RQJUqV JpRO LQWHUQ ;,© VHVVLRQ 6WRFNKROP &RPSWHV UHQGXV YRO ,
S 6WRFNKROP
,G GHU L6RQQHQVLUD$LDUHJV]HWL D$UHUF
*HRORJ 5XQGVFKDX %G
;9,,,
S6e$1&( '8 'e&(0%5(
'DQV FHV GHUQLqUHV DQQpHV OpFROH VXpGRLVH D FKHUFKp HW D UpXVVL j V\QFKURQLVHU OHV SKDVHV GH
UHWUDLW
GHV GHUQLHUV JODFLHUV 6FDQGLQDYHV DYHF FHOOHV FRQWHPSRUDLQHV GX &DQDGD GHV (WDWV 8QLV HW GH O$UJHQWLQH,O
IDXW FRQVWDWHU TXH OH GRPDLQH DOSLQ HVW UHVWp MXVTXLFLHQ GHKRUV GH FHV SDUDOOpOLVPHV j JUDQGH GLVWDQFH 2U QRXV SHQVRQV TXHOH EDVVLQ JODFLDLUH HWODFXVWUH GH *HQqYH VH SUrWHUDLW
j XQH pWXGH GHV YDUYHV HW
SRXUUDLW
VHUYLU GH SRLQW GH GpSDUW SRXU XQ HVVDLGH V\QFKURQLVDWLRQGHV SKDVHV GHUHWUDLW
GX JODFLHU GX 5K{QH ZXUPLHQ DYHF OHV GHUQLqUHV IOXFWXDWLRQV GHV JODFHV HQ 6XqGH /HV YDUYHV JODFLDLUHV GX EDVVLQ GH *HQqYH VRQW GpMj VLJQDOpHV SDU $OSKRQVH )DYUH TXL OHV FRQVLGpUDLW WRXWHIRLV FRPPH OH UpVXOWDW GH OD GpFDQWDWLRQ GHV HDX[ JODFLDLUHV GDQV GHV EDVVLQV UHVWUHLQWV (OOHV DIIOHXUHQW HQ GH QRPEUHX[ SRLQWV/H IRQG GX 3HWLW /DF FRQYLHQGUDLW SDUIDLWHPHQW j FHV UH FKHUFKHV FDU XQ VRQGDJH TXL
DWWHLQGUDLW
OD GHUQLqUH PRUDLQH GH IRQG UHFXHLOOHUDLW WKpRULTXHPHQW WRXWHV OHV YDUYHV GpSRVpHV GHSXLV OpSRTXH R OH JODFLHU HQ UHFXO D TXLWWp QRV SDUDJHV MXVTXj QRV MRXUV /D FRXUEH GHV YDUYHV XQH IRLV pWDEOLH SRXUUDLW rWUH V\QFKURQLVpH DYHF FHOOHV GH GH *HHU HWG$QWHYV,O
HVW SHUPLV GDWWHQGUH EHDXFRXS GH FHV UHFKHUFKHV WRXWHV QRXYHOOHV 8QH pWXGH PrPH ORFDOLVpH j OD UpJLRQ GH *HQqYH VHUDLW XWLOH DX[WUDYDX[
GH FH JHQUH TXL QH PDQTXHURQW SDV GrWUH HQWUHSULV GDQV OHV DXWUHV EDVVLQV JODFLDLUHV GX 3ODWHDX VXLVVH*HRUJHV 7LHUF\ ² 'H JXDLUH HRZUjHV ©"©R"HQUHHV ª UpWDPpV PXU 'pSÆpWGHV DYHF IOJ
-DL SXEOLp GHUQLqUHPHQW XQH pWXGH VXU XQ JURXSH GH
KXLW
&pSKpLGHV GDQV ODTXHOOH
MDL
SURSRVp TXHOTXHV FRXUEHV UHOLDQW HQWUH HX[ OHV UpVXOWDWV QXPpULTXHV WURXYpV UHVSHFWLYHPHQW SRXU FKDFXQH GHVKXLW
pWRLOHV /HEXW
GH FHV FRXUEHV HVW GH GRQQHU UDSLGHPHQW TXHOTXHV UHQVHLJQHPHQWV DX PRLQV DSSURFKpV VXUGH QRXYHOOHV &pSKpLGHV /RF H
$QWHYV ( 77LH UHFHVVLRQ =jH =°VL LFH VjHHL LQ $HWF 'QJL°QG
$PHU JHRJU 6RF 5HVHDUFK 6HULHV Q 1HZ<RUN
3XEOJJ GHO2EVHUYDWRLUHGH *HQqYH IDVF $UFKLYHV S