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The Atlas domain extends in North Africa (= Maghreb) from the Atlantic (Moroccan Atlas) to Algeria and the Pelagian Sea (Tunisian Atlas), north of the Saharan platform. On top of a Palaeozoic basement affected by the Hercynian orogeny in Morocco and, at least, in western Algeria, the Early Mesozoic transgressions deposited a variably, thick sedimentary cover. After a Triassic episode of aborted rifting...
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