By André Michard, Omar Saddiqi, Ahmed Chalouan, Dominique Frizon de Lamotte
Morocco is among the so much attention-grabbing lands on the earth from the viewpoint of its geological constitution and evolution. Our wisdom at the geology of the rustic has been enormously more advantageous over the last a long time, in accordance with various seismic profiles and boreholes, seismological research of focal mechanisms, seismic tomography, gravimetric/geodetic modelling and, nevertheless, according to an immense nationwide software of Geological Mapping together with glossy geochemical analyses (trace components) and trustworthy isotopic datings (39Ar-40Ar, U-Pb zircon, Sm-Nd, etc). in addition, a few educational stories were played in relation with the expanding variety of Moroccan universities.
Accordingly, there has been an utmost urgency to adopt a brand new treatise of Moroccan geology that could replacement for the classical Eléments de géologie marocaine, released in 1976 via A. Michard within the Notes et Mémoires du provider géologique du Maroc (re-edited two times due to the fact 1976, with greater than 6000 copies offered, and… translated in jap for engineers!). a brand new treatise has been ready among April 2006 and July 2007 below the coordination of A. Michard, assisted by way of O. Saddiqi, and A. Chalouan, through a large panel of authors from Morocco, France or Belgium probably the greatest connoisseurs of the rustic. that allows you to emphasize the final curiosity of the booklet, we eventually maintain the next name: Continental Evolution: The Geology of Morocco. constitution, Stratigraphy, and Tectonics of the Africa-Atlantic-Mediterranean Triple junction.
The enhancing and construction of this booklet was once supported through the next organisations:
The Geological Society of France (SGF)
The nationwide workplace of Hydrocarbons and Mines of Morocco (ONHYM)
The overseas Lithosphere application (ILP)
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Additional resources for Continental Evolution - The Geology of Morocco - Structure, Stratigraphy, and Tectonics of the Africa-Atlantic-Mediterranean Triple Junction
Canyon. Courtesy of A. Baltzer and D. , submitted) sliding event Channels possibly related to the Canyon Barbas Ripples due to the creeping of the subsurface layer Slope features observed with the EM 300 in the Dakhla area From Baltzer et al. (submitted) Slope failure 1 Slope failure 2 2400 m 1600 m 700 m Water depth (m) 200 m 26 A. Michard et al. 1 An Outline of the Geology of Morocco 27 -2000 00 -40 0 -400 Coral Patch Seamount -3000 14 Pr of ile 4 13 -100 0 -3 00 0 -400 0 35˚N OBH IFREMER OBS Univ.
This southwestern part of the Anti-Atlas basement corresponds to the deformed, autochthonous northern rim of the West African Craton (WAC). 36 D. Gasquet et al. W A C margin Post Pan-African rifting Transtension Syenite, trachyte a Pelites, limestones (a: dated ash beds) Dolomites Arkoses, sandstones Rhyolites, andesites Diamictites Pan-African mountain building Marinoan - prote Obduction, arc accretion, synmetamorphic Oceanic folding Bou Azzer 750 Mzil Ousdrat, Bou Azzer Cryogenian 700 T Tarçouat, Bleida Strutian 650 Tafraout raout Alkaline Alk line Adoud.
Gasquet et al. W A C margin Post Pan-African rifting Transtension Syenite, trachyte a Pelites, limestones (a: dated ash beds) Dolomites Arkoses, sandstones Rhyolites, andesites Diamictites Pan-African mountain building Marinoan - prote Obduction, arc accretion, synmetamorphic Oceanic folding Bou Azzer 750 Mzil Ousdrat, Bou Azzer Cryogenian 700 T Tarçouat, Bleida Strutian 650 Tafraout raout Alkaline Alk line Adoud. 620 Lithological key Conglomerates Turbidites Dolerites Limestones domain Quartzites, silts B Basalts Iriri Arc 610 J Boho J.