FN Archimer Export Format
PT J
TI Deep Crustal Structure of the North-West African Margin from Combined Wide-angle and Reflection Seismic Data (MIRROR Seismic Survey)
BT 
AF BIARI, Youssef
   KLINGELHOEFER, Frauke
   SAHABI, Mohamed
   ASLANIAN, Daniel
   SCHNURLE, Philippe
   BERGLAR, K.
   MOULIN, Maryline
   MEHDI, K.
   GRAINDORGE, D.
   EVAIN, Mikael
   BENABDELLOUAHED, Massinissa
   REICHERT, C.
AS 1:1,2,4;2:1;3:2;4:1;5:1;6:3;7:1;8:2;9:4;10:1;11:1;12:3;
FF 1:PDG-REM-GM-LGG;2:PDG-REM-GM-LGG;3:;4:PDG-REM-GM-LGG;5:PDG-REM-GM-LGG;6:;7:PDG-REM-GM-LGG;8:;9:;10:PDG-REM-GM-LGG;11:PDG-REM-GM-LGG;12:;
C1 IFREMER, Dept Marine Geosci, ZI Pointe Diable, CS10070, F-29280 Plouzane, France.
   Univ Chouaib Doukkali, Lab Geosci Marines & Sci Sols, Fac Sci, URAC 45, El Jadida 24000, Morocco.
   BGR, Geozentrum Hannover, D-30655 Hannover, Germany.
   IUEM, UMR Domaines Ocean 6538, F-29280 Plouzane, France.
C2 IFREMER, FRANCE
   UNIV CHOUAIB DOUKKALI, MOROCCO
   BGR, GERMANY
   UBO, FRANCE
SI BREST
SE PDG-REM-GM-LGG
UM LGO
IN WOS Ifremer jusqu'en 2018
   copubli-france
   copubli-europe
   copubli-univ-france
   copubli-int-hors-europe
   copubli-sud
IF 2.65
TC 24
UR https://archimer.ifremer.fr/doc/00273/38401/36726.pdf
LA English
DT Article
CR DAKHLA / NADIR
   DAKHLA / SUROIT
   MIRROR1
   SISMAR
BO Le Nadir
   Le Suroît
   L'Atalante
DE ;Moroccan continental margin;Wide-angle seismic modeling;Deep crustal structure;Ocean continent transition
AB The structure of the Moroccan and Nova Scotia conjugate rifted margins is of key importance for understanding the Mesozoic break-up and evolution of the northern central Atlantic Ocean basin. Seven combined multichannel reflection (MCS) and wide-angle seismic (OBS) data profiles were acquired along the Atlantic Moroccan margin between the latitudes of 31.5° and 33° N during the MIRROR seismic survey in 2011, in order to image the transition from continental to oceanic crust, to study the variation in crustal structure and to characterize the crust under the West African Coast Magnetic Anomaly (WACMA).  The data were modeled using a forward modeling approach. The final models image crustal thinning from 36 km thickness below the continent to approximately 8 km in the oceanic domain. A 100 km wide zone characterized by rough basement topography and high seismic velocities up to 7.4 km/s in the lower crust is observed westward of the West African Coast Magnetic Anomaly. No basin underlain by continental crust has been imaged in this region, as has been identified north of our study area. Comparison to the conjugate Nova Scotian margin shows a similar continental crustal thickness and layer geometry, and the existence of exhumed and serpentinized upper mantle material on the Canadian side only. The oceanic crustal thickness is lower on the Canadian margin.
PY 2015
PD AUG
SO Tectonophysics
SN 0040-1951
PU Elsevier Science Bv
VL 656
UT 000362139400011
BP 154
EP 174
DI 10.1016/j.tecto.2015.06.019
ID 38401
ER

EF