By André Michard, Omar Saddiqi, Ahmed Chalouan, Dominique Frizon de Lamotte
Morocco is without doubt one of 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 vastly more desirable over the past a long time, in line with quite a few seismic profiles and boreholes, seismological research of focal mechanisms, seismic tomography, gravimetric/geodetic modelling and, however, according to a major nationwide software of Geological Mapping together with glossy geochemical analyses (trace parts) and trustworthy isotopic datings (39Ar-40Ar, U-Pb zircon, Sm-Nd, etc). in addition, a couple of educational stories were played in relation with the expanding variety of Moroccan universities. for that reason, there has been an utmost urgency to adopt a brand new treatise of Moroccan geology that can alternative for the classical El?ments de g?ologie marocaine, released in 1976 via A. Michard within the Notes et M?moires du provider g?ologique du Maroc (re-edited two times considering that 1976, with greater than 6000 copies bought, and… translated in eastern for engineers!). a brand new treatise has been ready among April 2006 and July 2007 lower than the coordination of A. Michard, assisted by means of O. Saddiqi, and A. Chalouan, by way of a large panel of authors from Morocco, France or Belgium among the finest connoisseurs of the rustic. which will emphasize the final curiosity of the ebook, we eventually keep the next identify: Continental Evolution: The Geology of Morocco. constitution, Stratigraphy, and Tectonics of the Africa-Atlantic-Mediterranean Triple junction. The enhancing and construction of this publication was once supported via the subsequent businesses: The Geological Society of France (SGF) The nationwide place of work of Hydrocarbons and Mines of Morocco (ONHYM) The foreign 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 (Lecture Notes in Earth Sciences)
2 Central Anti-Atlas from space: Google Earth oblique view of the Zenaga-Sirwa area (see Fig. 1 for location). The scene is about 70 km wide. Note the shallow elevation of the Zenaga and Iguerda “boutonni`eres” with respect to their Early Cambrian carbonate blanket (ki1: Adoudounian; ki2: Lie-de-vin Fm; ki3: Calcaires sup´erieurs). The Zenaga inlier (see map Fig. 5) exposes poorly resistant Paleoproterozoic schists and granites (PIsch, PIgr), early Neoproterozoic quartzites and limestones (PII), unconformably overlain by late Neoproterozoic volcanics (PIII).
2, Fig. 5). – B: At the northwest border of the Bou Azzer inlier, the Adoudounian dolomites (Ad) unconformably overlie the tilted Ediacaran volcano-sedimentary formations (PIII) and the underlying Neoproterozoic rocks of the Pan-African belt (PII serpentinite and intrusive granitoid Gr PII). View from the same road as (A), about 20 km further east Ougarta – both mountains being moulded around the WAC border. In contrast, the Atlas-Meseta domain is strongly deformed, more or less metamorphic, and intruded by varied granite massifs.
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