• Aucun résultat trouvé

Croquis géologique de la région des Guedmioua (Atlas de Marrakech)

N/A
N/A
Protected

Academic year: 2022

Partager "Croquis géologique de la région des Guedmioua (Atlas de Marrakech)"

Copied!
5
0
0

Texte intégral

(1)

Article

Reference

Croquis géologique de la région des Guedmioua (Atlas de Marrakech)

VON DER WEID, Frédéric

VON DER WEID, Frédéric. Croquis géologique de la région des Guedmioua (Atlas de Marrakech). Compte rendu des séances de la Société de physique et d'histoire naturelle de Genève, 1940, vol. 57, no. 2, p. 130-133

DOI : 10.5169/SEALS-741709

Available at:

http://archive-ouverte.unige.ch/unige:152899

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

1 / 1

(2)

6e$1&( '8 -8,//(7

SRXUUDLW

FRUUHVSRQGUH j OD PRGLILFDWLRQ KH[DJRQDOH GX &XJ$V

MXVTXLFL

LQFRQQXH j

OpWDW

QDWXUHO

(Q UpVXPp OH PLQHUDL GH 0HVNDQL HVW FRQVWLWXp HVVHQWLHOOH PHQW SDU GHV DUVpQLXUHV GH FXLYUH HW GH FREDOW

LO SRXUUDLW

rWUH IRUPp GH © GRPH\NLWH ª KH[DJRQDOH DVVRFLpH j GH OD VDIIORULWH HW j XQ SHX GH FREDOWLQH

*HUHqHU =DqRUDWRLUH IH UDPHUD=RJLH FIH =WUHWHHUVWWH

)UpGpULF YRQ GHU :HLG ² &URTXLV JpRORJLTXH GH OD UpJLRQ GHV

*XHGPLRXD I$]=DV GH $IDUUDOFHFbM

/D UpJLRQ GHV *XHGPLRXD HVW VLWXpH VXU OH YHUVDQW QRUG GH

O$WODV

GH 0DUUDNHFK HQWUH O2XHG Q)LV HW O$VVLIHO0DKO (OOH HVW OLPLWpH DX 6 SDU OHV PDVVLIV GX *RXU]D HW GH O(UGRX]

j XQH TXLQ]DLQH GH NP G$]HJRXU HW DX 1 SDU OD SODLQH GX +DRX]

/$WODV

HVW VHFWLRQQp ORQJLWXGLQDOHPHQW SDU XQH VXLWH GDF FLGHQWV WUqV PDUTXpV GDQV OD PRUSKRORJLH V\PpWULTXHV GH OD[H JpQpUDO GX PDVVLI TXL OH GpFRXSHQW HQ © PDUFKHV GHVFDOLHU ª

/D ]RQH D[LDOH FRPSUHQG GHV VRPPHWV GRQW

ODOWLWXGH

YDULH

HQWUH HW P j UHOLHI DUURQGL SOXV RX PRLQV WDEXODLUH HQWDLOOpV SURIRQGpPHQW SDU OpURVLRQ UpFHQWH QHWWHPHQW VXULP SRVpH 'DQV OHV PDUFKHV LQWHUPpGLDLUHV HQ

SDUWLFXOLHU

OHV +DXWV 3ODWHDX[ GH 0pGLQHW RQ SHXW IDFLOHPHQW UHFRQQDvWUH XQH SpQp SODLQH DQWpDOSLQH j SHLQH EDVFXOpH TXL VHVW VRXOHYpH GXQH SLqFHHQWUH OHV DFFLGHQWV

ORQJLWXGLQDX[

GH 0pGLQHW HW G$PLVPL]

&HV DFFLGHQWV WUqV LPSRUWDQWV VH SRXUVXLYHQW

WRXW

OH ORQJ GH

O$WODV

MXVTXHQ $OJpULH

*pRORJLTXHPHQW RQ GLVWLQJXH GDQV OD UpJLRQ GHV *XHGPLRXD XQ VRFOH VFKLVWRFDOFDLUH SULPDLUH SOXV RX PRLQV FULVWDOOLQ DYHF GH SHWLWHV LQMHFWLRQV GH JUDQLWHV HW XQH FRXYHUWXUH FUpWDFpH HW pRFqQH &H VRFOH

FULVWDOOLQ

DWWULEXp DX &DPEULHQ FRPSUHQG XQ pSDLV FRPSOH[H VFKLVWRFDOFDLUH JUqV ILQV YHUWV PDVVLIV SDUIRLV ]RQpV FDOFDLUHV GRORPLWLTXHV FKDPRLV FDOFVFKLVWHV PDUEUHV EODQFV HW EOHXV DYHF GH QRPEUHXVHV LQWHUFDODWLRQV VFKLVWHXVHV VXUPRQWp GXQH VpULH VFKLVWHXVH SDVVDQW VDQV LQWHU

UXSWLRQ

QL FKDQJHPHQW GH IDFLqV YLVLEOHV DX &DUERQLIqUH j

O(

(3)

GH O2XHG $QRXJDO /D VWUDWLJUDSKLH GH FHV WHUUDLQV HVW EDVpH VXU GHV DQDORJLHV SOXV TXH VXU GHV IRVVLOHV HOOH QHVW GRQF SDV FHUWDLQH

&UHIDFH HI (RFHQH

LOLOOLO 6FVIHV &DP|UHQV

&DFDUHV &DQ|FHQV

*UDYIH

&:496 6(&/2*2/( '(6 JGHGP2&0

/HV GpS{WV GH OD FRXYHUWXUH PDUQHV URXJHV HW YHUWHV SDUIRLV J\SVHXVHV JUqV JURVVLHUV FKRFRODW JUDYLHUV j SHLQH FRQVROLGpV j VWUXFWXUH GH GHOWD FDOFDLUHV VLOLFHX[ MDXQHV UHSRVHQW HQ GLVFRUGDQFH VXU OH VRFOH SULPDLUH TXL HVW WUqV UHGUHVVp

,O

VHPEOH

TXH OD ]RQH D[LDOH GH

O$WODV

VRLW UHVWpH FRQVWDPPHQW pPHUJpH

(4)

6e$1&( '8 -8,//(7

GHSXLV OH &DPEULHQ HW TXH OD PHU PpVR]RwTXH HW

WHUWLDLUH

VDUUrWDLW VXU XQH OLJQH SURFKH GH ODFFLGHQW GH 0pGLQHW

/HV YHQXHV JUDQLWLTXHV VRQW DX QRPEUH GH GHX[ /XQH

DVVH] DFLGH IRUPH XQ

SHWLW

PDVVLI LUUpJXOLHU GH JUDQLWH URVH DX 6 GHV YLOODJHV G$]HJRXU HW GH 7RXONLQH (OOH D SURYRTXp XQ PpWDPRUSKLVPH GH FRQWDFW LQWHQVH GHV WHUUDLQV GX VRFOH SULPDLUH WUDQVIRUPDQW OHV FDOFDLUHV HQ PDUEUHV FLSROLQV JUH QDWLWHV DPSKLEROLWHV ZROODVWRQLWLWHV TXDUW]LWHV HW OHV VFKLVWHV HQ FRUQpHQQHV VFKLVWHV j DQGDORXVLWH SK\OODGHV HWF &HWWH YHQXH JUDQLWLTXH D pPLV GH QRPEUHX[ ILORQVFRXFKH GH TXDUW]

SRUSK\UH MXVTXj TXHOTXHV NLORPqWUHV GX PDVVLI HOOH HVW

WUD

YHUVpH SDU TXHOTXHV ILORQV GXQH URFKH SOXV EDVLTXH SRUSK\ULWH RX DQGpVLWH

/DXWUH

YHQXH HVW VLWXpH j

O:

GX YLOODJH GH 0pGLQHW (OOH FRPSUHQG GHV WHUPHV DOODQW GHV JUDQLWHV JULV DX[ JUDQRGLRULWHV 6RQ DFWLRQ PpWDPRUSKLTXH HVW WUqV UHVWUHLQWH HW VD FRPSRVLWLRQ WUqV LUUpJXOLqUH DOWpUpH GH SOXV SDU GH QRPEUHXVHV IUDFWXUHV

GXHV j ODFFLGHQW GH 0pGLQHW

/DOOXUH

JpQpUDOH GH OD WHFWRQLTXH KHUF\QLHQQH GH

O$WODV

VH

SUpVHQWH VRXV OD IRUPH GH SOLV j JUDQGV UD\RQV GH FRXUEXUH DYHF GHV GpFROOHPHQWV HW GHV SOLVVHPHQWV GLVKDUPRQLTXHV GHV FDOFDLUHV GH OD VpULH VXSpULHXUH 'DQV OD UpJLRQ GHV *XHGPLRXD OH VRFOH SULPDLUH HVW WUqV UHGUHVVp GH GLUHFWLRQ 16 /H PDVVLI GH O(UGRX] VHPEOH DYRLU pWp OH VLqJH GXQ PD[LPXP GH SRXVVpH

DQWLFOLQDX[ IRUWHPHQW FRPSULPpV FDVVpV VXU OHXUV VRPPHWV DYHF SDUIRLV FKHYDXFKHPHQW GXQ IODQF VXU ODXWUH /HV VFKLVWHV LQWHUVWUDWLILpV WUqV EURXLOOpV RQW MRXp OH U{OH GH OXEULILDQW

IDFLOLWDQW

OHV GpFROOHPHQWV HW OHV SOLVVHPHQWV VHFRQGDLUHV

&HW HQVHPEOH QH VH UHWURXYH SDV WHO TXHO GDQV OD UpJLRQ G$]HJRXU /HV GLYHUVHV EDQGHV FDOFDLUHV HW

ODQWLFOLQDO

GX 'MHEHO 7LVJXLQH FRPSRVpV XQLTXHPHQW GHV pOpPHQWV GH OD VpULH VXSpULHXUH GH O(UGRX] UDSSHOOHQW EHDXFRXS OHV DQWLFOLQDX[ GX

7L]L Q7VOLW

VXU OD FUrWH GH O(UGRX] PDLV DYHF XQH EHDXFRXS SOXV JUDQGH DPSOLWXGH

/H PDVVLI GH O(UGRX] HVW VpSDUp GHV +DXWV 3ODWHDX[ GH 0pGLQHW SDU GHX[ RX WURLV DFFLGHQWV GRQW OH SOXV

LPSRUWDQW

HVW OD ]RQH GH EUR\DJH GH 0pGLQHW$VVRXO &HWWH GHUQLqUH D XQH WUqV JUDQGH ODUJHXU

YDULDQW

HQWUH HW P HW FRP

(5)

SUHQG GHV EDQFV GH FDOFDLUHV SOLVVRWWpV HW pFUDVpV QR\pV GDQV GHV VFKLVWHV pFUDVpV 2Q

OD WRXW

GDERUG DWWULEXpH j

ODFWLRQ

GH ORURJHQqVH DOSLQH PDLV GHV IGRQV GH TXDUW]SRUSK\UH SURIRQGpPHQW HQJDJpV GDQV OD ]RQH GH EUR\DJH SURXYHQW TXHOOH HVW KHUF\QLHQQH

&HV DFFLGHQWV RQW UHMRXp ORUV GX SOLVVHPHQW DOSLQ IRUPDQW

OHV © PDUFKHV GHVFDOLHU ª TXL VRQW OD FDUDFWpULVWLTXH DFWXHOOH HW OHV GpS{WV GH OD FRXYHUWXUH VH VRQW pWLUpV HQ IOH[XUHV HW SOLV IDLOOHV /D WHFWRQLTXH DOSLQH VHVW VXSHUSRVpH DYHF XQ GpFDODJH GH ƒ GDQV OD GLUHFWLRQ j ODQFLHQQH WHFWRQLTXH KHUF\QLHQQH

%LHQ HQWHQGX OHV DFFLGHQWV QRQW SDV WRXV UHMRXp HW FHUWDLQV DXWUHV FRPPH OD IOH[XUH G$PLVPL] VRQW XQLTXHPHQW DOSLQV /H OpJHU EDVFXOHPHQW YHUV OH 6 GH OD SpQpSODLQH HW OH UHOqYH

PHQW HQ JRXWWLqUH GHV WHUUDLQV GH OD FRXYHUWXUH OH ORQJ GH OD IDLOOH GH 0pGLQHW7QLUW$QRXJDO RQW HX FRPPH FRQVpTXHQFH DVVH] FXULHXVH OD IRUPDWLRQ GXQH WUqV EHOOH VRXUFH YDXFOXVLHQQH j

,PL

Q 7DOD =D0RUDWRLUHV GH JHRLRJIH GH OIUDLFHUVLWR

GH *HUHqHH

)UpGpULF YRQ GHU :HLG

²

GLUDpUDILVDIIRUHV GH ID UpJLRQ GHV

*DHGPLRDD

2Q GLVWLQJXH SOXVLHXUV W\SHV GH JLVHPHQWV GDQV OD UpJLRQ GHV *XHGPLRXD

, $ $]HJRXU GDQV OHV FDOFDLUHV PpWDPRUSKLTXHV GH FRQWDFW GX IODQF HVW GH

ODQWLFOLQDO

GX 'MHEHO 7LVJXLQH RQ REVHUYH GHV PLQpUDOLVDWLRQV DVVH] YDULpHV &HV FDOFDLUHV PpWDPRUSKLTXHV FRPSUHQQHQW GHV WHUPHV SDUIDLWHPHQW FRPSDFWV TXDUW]LWHV PDUEUHV HW GHV WHUPHV DVVH] JURVVLHUV OHV XQV SHX IUDFWXUpV ZROODVWRQLWLWHV DPSKLEROLWHV HW OHV DXWUHV IRUWHPHQW IUDFWXUpV JUHQDWLWHV JUHQDWRLGRFUDVLWHV GXSDUFLWLWHV &HV IUDFWXUHV GLWHV © FRXSHV GH IHU ª VRQW H[WUrPHPHQW QRPEUHXVHV HW VRQW OH SOXV VRXYHQW ORQJLWXGLQDOHV OHXU SXLVVDQFH YD GH OpSDLVVHXU GXQH IHXLOOH GHSDSLHU j SOXV GH PqWUHV (OOHV VRQW UHPSOLHVSDU

GHV PDWLqUHV DUJLOHXVHV YHUWHV WUqV FDUDFWpULVWLTXHV HQUREDQW SDUIRLV GHV VLOLFDWHV GH FDOFLXP HW SDU GH OD OLPRQLWH HW GH OD

& 5 6RF SK\V *HQqYH YRO

Références

Documents relatifs

[r]

[r]

'HSXLVODSXEOLFDWLRQHQGHVUpVXOWDWVFRQWUDGLFWRLUHV GHV pWXGHV HXURSpHQQH (563& HW DPpULFDLQH 3/&2 FRQFHUQDQW OH GpSLVWDJH GH PDVVH OD SULVH HQ FKDUJH GLDJQRVWLTXH HW

(Q)UDQFHjGHVKRPPHVGHSOXVGHDQVSUpVHQWH UDLHQWGHVWURXEOHVPLFWLRQQHOVPRGpUpVRXVpYqUHVDVVRFLpVj

[r]

VHFRQGH SDUWLH TXL GXUD FLQT VHPDLQHV / : &ROOHW (G 3DUpMDV HW $ /RPEDUG DSUqV XQH pWXGH GH OD UpJLRQ GX 0RQW 5REVRQ WUDYHUVqUHQW DYHF XQ WUDLQ GH FKHYDX[ OHV FROV GH 0RRVH

/D GLVFRUGDQFH WHFWRQLTXH HVW WUqV QHWWH GDQV OD UpJLRQ IRUWH PHQW SOLVVpH GX 0D\RPEp HOOH OHVW PRLQV j SUHPLqUH YXH GDQV OD ]RQH %RNR6RQJR0LQGRXOL /D SUpVHQFH GH FRQJORPpUDWV HW

6RXV OH PLFURVFRSH OHV SKpQRFULVWDX[ GH TXDUW] ELS\UDPLGpV HW FRUURGpV DSSDUDLVVHQW HQUREpV GDQV XQH SkWH IHOVLWLTXH IRUPpH GH PLQXVFXOHV JUDLQV GH TXDUW] HW GH SODJLRFODVH SOXV