Volume 8, Issue 1, September 2014, Pages 20–28
Abdelkader Mokhtari1
1 Département de Géologie, Université Moulay Ismail, Faculté des Sciences, BP11201, Beni M'Hamed, Meknès, Maroc
Original language: English
Copyright © 2014 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The north-eastern Morocco, is a peculiar area which is suspected to be a large impact site. It has a conspicuous ring structure with an apparent diameter of about 200 km of which half is in the sea. Jurassic mountains Taourirt-Oujda-Tlemcen showing an arc form correspond to the outer ring. Mesozoic and Palaeozoic bedrock units are locally brecciated and cut by pseudotachylite breccia dykes. Kebdana mounts with its intense and unusual deformation, form probably the central uplift of a complex crater. A wide variety of breccias is located inside and outside of the crater, many of which contain fragments exhibiting shock metamorphic features. The age of the impact is estimated to be toward the late of Messinian.
Author Keywords: Pseudotachylite, Suevite, Impactite, breccia, Kebdana, Beni Snassen, Messinian.
Abdelkader Mokhtari1
1 Département de Géologie, Université Moulay Ismail, Faculté des Sciences, BP11201, Beni M'Hamed, Meknès, Maroc
Original language: English
Copyright © 2014 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The north-eastern Morocco, is a peculiar area which is suspected to be a large impact site. It has a conspicuous ring structure with an apparent diameter of about 200 km of which half is in the sea. Jurassic mountains Taourirt-Oujda-Tlemcen showing an arc form correspond to the outer ring. Mesozoic and Palaeozoic bedrock units are locally brecciated and cut by pseudotachylite breccia dykes. Kebdana mounts with its intense and unusual deformation, form probably the central uplift of a complex crater. A wide variety of breccias is located inside and outside of the crater, many of which contain fragments exhibiting shock metamorphic features. The age of the impact is estimated to be toward the late of Messinian.
Author Keywords: Pseudotachylite, Suevite, Impactite, breccia, Kebdana, Beni Snassen, Messinian.
How to Cite this Article
Abdelkader Mokhtari, “A Probable Meteor Multi-Ring Impact Craters in the North-eastern Morocco: Evidence Petrographic and Morphologic,” International Journal of Innovation and Applied Studies, vol. 8, no. 1, pp. 20–28, September 2014.
