Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Yacouba Ahmed"'
Autor:
Yacouba Ahmed, Sofiyane Abdourahamane Attourabi, Mallam Mamane Hallarou, Lawali Idi Chamsi, Gambo Ranaou Noura, Mahamane Moustapha Sanda Chékaraou
Publikováno v:
Journal of African Earth Sciences. 198:104814
Publikováno v:
Geological Society, London, Special Publications. 502:97-119
Publikováno v:
Geological Society, London, Special Publications. 502:215-236
Publikováno v:
Comptes Rendus Geoscience. 351:355-365
Located in northern Niger, the NW–SE Tefidet trough is the western branch of the Tenere rift megasystem. Here we present a tectono-sedimentary analysis of the Tefidet trough, based on the combined use of satellite imagery, field observations and me
Autor:
Mallam Mamane Hallarou, Akinade S. Olatunji, Rasheed M. Abdul, Yacouba Ahmed, Moussa Konaté, Felicia F. Ajayi
Publikováno v:
European Journal of Environment and Earth Sciences. 1
The study area is located at the southern end of the Gorouol greenstone belt, northwestern Niger. This region contains significant deposits of Copper and Molybdenum hosted in intrusive rocks metamorphosed in the green shale facies. This deposit was p
Autor:
Ulf Linnemann, Hassan Ibrahim Maharou, Diafarou Alzouma Amadou, Kamayé Tourba, Andreas Gärtner, Mandy Hofmann, Johannes Zieger, Yacouba Ahmed, Moussa Konaté
Publikováno v:
Comptes Rendus Geoscience. 350:267-278
This study uses field observations and new U–Pb ages of detrital zircon grains from three samples to question the stratigraphic position of the Firgoun and Niamey siliciclastic sediments, presumed to be Neoproterozoic in age. Sharing several lithol
Publikováno v:
European Scientific Journal, ESJ. 17:238
Le socle du Sud Maradi (Sud Niger) correspond à l’extrémité Nord du bouclier Bénino-Nigérian, appartenant à la zone mobile panafricaine à l’Est du Craton Ouest-Africain. Cette étude apporte une modeste contribution dans la caractérisatio
Publikováno v:
BSGF-Earth Sciences Bulletin, Vol 187, Iss 2, Pp 73-82 (2016)
The Téfidet trough (eastern Niger) belongs to the Ténéré megasystem set of Cretaceous rifts N130°E to N170°E oriented, corresponding to the direction of the Lake Chad-Hoggar tectonic axis.The study of the relationship between the structure of t