Pouclet, A. and Ouazzani, H. and Fekkak, A. (2008) The Cambrian volcano-sedimentary formations of the westernmost High Atlas (Morocco): Their place in the geodynamic evolution of the West African Palaeo-Gondwana northern margin. Geological Society Special Publication, 297. pp. 303-327.

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Abstract

In the westernmost part of the High Atlas, two Palaeozoic formations, rich in mafic volcanic rocks, are distinguished. They belong to different structural blocks created during the Variscan orogeny. New U-Pb dating yields an Early Cambrian age. The basaltic lavas have the composition of continental tholeiites and the magmatic signature of an initial rifting tectonic setting. They are related to the western Moroccan Cambrian rift. Their geodynamical context could be a passive margin initiated from an active rift that aborted in the Middle Cambrian. © The Geological Society of London 2008.

Item Type: Article
Uncontrolled Keywords: basalt; Cambrian; geodynamics; Gondwana; Hercynian orogeny; mafic rock; magma; Paleozoic; passive margin; rifting; tectonic setting; tholeiite; uranium-lead dating; volcanic rock, Africa; Atlas Mountains; High Atlas; Morocco; North Africa; Sub-Saharan Africa; Tadla-Azilal; West Africa
Subjects: Earth and Planetary Sciences
Divisions: SCIENTIFIC PRODUCTION > Earth and Planetary Sciences
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:46
URI: http://eprints.umi.ac.ma/id/eprint/2940

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