Abstrait
In the Tindouf basin, two well defined juxtaposed magnetizations B and C have been determined in two Carboniferous formations using principal component analysis. The B component, corresponding to the lowest unblocking temperatures of magnetization, results of the superimposition of the primary component C to a chemical remagnetization D (here a Permian overprint). Such a superimposition could have been pointed out by analyzing the relations in orientation between B and C components.
Hamza BOUABDALLAH, Bernard HENRY, Nacer MERABET and Said MAOUCHE
