Context

Context of Carte tectonique internationale de l'Afrique. : International tectonic map of Africa., Compiled by the Geological Survey of Marocco, Division of Geology, Direction of Mines and Geology. Compiled under the aegis of the International Geological Congress, Commission for the World Geological Map, Sub-Commission for the World Tectonic Map. General co- ordinator: G. Choubert. Drawn and printed by Institut géographique national, France
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