Boudzoumou, F. and Vandamme, D. and Affaton, P. and Gattacceca, J. and Ouazzani, H. and Badra, L. and Mahjoubi, E. (2012) Evidence of a Permian remagnetization in the Neoproterozoic-Cambrian Adoudounian Formation (Anti-Atlas, Morocco). Bulletin de l'Institut Scientifique, Section Sciences de la Terre, 34 (1). pp. 15-28.

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Abstract

A paleomagnetic study was undertaken on samples collected from seven sites of the exhumed and eroded Ait-Abdallah and Kerdous antiforms in the Moroccan Anti-Atlas of the West African craton. These sites are located in the Adoudounian Formation considered as of Neoproterozoic-Cambrian age. The magnetic mineralogy is represented essentially by magnetite and titanohematite. Magnetization is carried by three components respectively of high-temperature (500-670°C), medium-temperature (350-470°C) and lowtemperature (NRM-300°C). Plotted in Gondwana Apparent Polar Wander Path, the high and medium temperature components close to the Permian pole and determine Permian overprint directions. The low temperature component closes to the present day field and corresponds to the present overprint day. This study shows that Permian overprint largely affect the Anti-Atlas area.

Item Type: Article
Subjects: Earth and Planetary Sciences
Divisions: SCIENTIFIC PRODUCTION > Earth and Planetary Sciences
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:46
URI: http://eprints.umi.ac.ma/id/eprint/2911

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