A detailed study of the Tafraoute area granites points out the existence of a Cambrian granitization (with the present geochronological scale) in the Moroccan Anti-Atlas and allows to define in that granitic massif, up to now considered as an unique one, at least three types of granites with different ages and/or origin (Tafraoute: 530 m.y., Tahala: 1920 m.y., Tarsouat: undetermined).

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