Journal
JOURNAL OF AFRICAN EARTH SCIENCES
Volume 89, Issue -, Pages 79-132Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jafrearsci.2013.10.007
Keywords
Madagascar; Morondava Basin; Upper Cretaceous; Biostratigraphy; Ammonites; Inoceramid bivalves
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Funding
- Institute of Geology of the Faculty of Geology in Warsaw
- Polish Ministry of Science [2 004D 038 28]
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The stratigraphic distribution of ammonite and inoceramid faunas of the richly fossiliferous Cenomanian through basal Middle Campanian (Upper Cretaceous) succession of the Morondava Basin, western Madagascar, is provided, and biozonations, based on both groups, are established. The correlation with former schemes is discussed and the chronostratigraphic potential of each of the groups is evaluated, with reference to their biogeographic affinities. The study is based on entirely new field collections at four sections in the central and southern part of the Morondava Basin: (1) Antsirasira-Ampolipoly, (2) Mahaboboka, (3) Vohipaly, and (4) Manasoa-on-Onilahy. Geological logs and field details of these sections are also provided. (C) 2013 Elsevier Ltd. All rights reserved.
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