Download Continental Evolution - The Geology of Morocco - Structure, by André Michard, Omar Saddiqi, Ahmed Chalouan, Dominique PDF

By André Michard, Omar Saddiqi, Ahmed Chalouan, Dominique Frizon de Lamotte

Morocco is without doubt one of the such a lot 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 tremendously more suitable 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, nonetheless, in keeping with a massive nationwide application of Geological Mapping together with sleek 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 alternative for the classical Eléments de géologie marocaine, released in 1976 through A. Michard within the Notes et Mémoires du carrier géologique du Maroc (re-edited two times because 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 lower than the coordination of A. Michard, assisted through O. Saddiqi, and A. Chalouan, via a large panel of authors from Morocco, France or Belgium among the finest connoisseurs of the rustic. with the intention to emphasize the final curiosity of the booklet, we eventually hold the next name: Continental Evolution: The Geology of Morocco. constitution, Stratigraphy, and Tectonics of the Africa-Atlantic-Mediterranean Triple junction.
The enhancing and creation of this ebook was once supported via the subsequent organisations:
The Geological Society of France (SGF)
The nationwide workplace of Hydrocarbons and Mines of Morocco (ONHYM)
The overseas Lithosphere software (ILP)

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1998), Mortaji et al. (2000), Ennih et al. (2001), Ennih & Li´egeois (2001, 2008), 38 D. Gasquet et al. Benziane et al. (2002), Walsh et al. (2002), Gasquet et al. (2004), Soulaimani & Piqu´e (2004), Barbey et al. (2004), Benziane (2007). A review of the EburnianTransamazonian belt was published by Bertrand & Jardim de S´a (1990). Other references concerning this belt in the Reguibat Shield are given in Chap. 1. The basement units of the Anti-Atlas Precambrian massifs south of the AAMF include both metamorphic and magmatic rocks, referred to as “PI” or “XI” on geological maps.

2006), S´ebrier et al. (2006), Stich et al. (2006), and Fern´andez-Ib´an˜ ez et al. (2007) with references therein. Due to its position at the northwest border of the African plate (Fig. 16A), Morocco still exhibits significant tectonic activity, especially in its younger parts. This is clearly shown by the density map of seismicity in the Atlantic-Mediterranean transition zone (Fig. 16B). The most active seismic zone is localized in the Rif and Alboran Sea. This is consistent with the fact that this region corresponds to the contact zone between the two converging plates, Eurasia and Africa.

2007), extending at least from the Canary Islands to southeast Spain and referred to hereafter as the Morocco Hot Line (see Chap. 4). , 2004). The southern part of this transect crosses the geological domains of Morocco (Fig. 20A, B) from the young Alboran Basin and Alpine Rif belt in the north up to the Anti-Atlas in the south. In the latter area, the lithosphere thickness attains ca. 130 km. It thins down to ca. 80 km beneath the Siroua-High Atlas area, in relation with the asthenosphere uplift already discussed (cf.

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