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Journal Article
Published: 01 January 1976
Bulletin de la Société Géologique de France (1976) S7-XVIII (4): 1009-1015.
...Y. Coppens; J. C. Koeniguer GeoRef, Copyright 2004, American Geological Institute. 1976 Africa Akka Angamma Bahr el Ghazal Bardai Bochianga Cenozoic Chad flora floral studies Holocene indicators Kirdimi Kolinga Koro-Toro Miocene Neogene Omchi Ouadi Derdemi Ouanofou Oue...
Journal Article
Published: 01 December 2006
Journal of the Geological Society (2006) 163 (6): 905-921.
... to correspond to fluviatile outpourings interrupted at times by processes of soil development. Fossil wood has been described from the Continental Terminal of the Borkou ( Coppens & Koeniguer 1976 ), and Schneider & Wolff (1992) have drawn attention to two sites, one close to Kirdimi (65 km WNW...
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