Late Miocene karst system at Sheikh Abdallah, between Bahariya and Farafra, Western Desert, Egypt : Implications for palaeoclimate and geomorphology
Wanas, Hamdallah A. (Menoufia University. Faculty of Science)
Pickford, Martin (Collège de France)
Mein, Pierre (Université Claude Bernard. Département des Sciences de la Terre)
Soliman, Hosny (Menoufia University. Faculty of Science)
Segalen, Loïc (Université Pierre et Marie Curie)

Date:	2009
Abstract:	The extensive spelean deposits in the Western Desert of Egypt at Crystal Mountain (Gebel Bellorat) are considered to be 11-10 Ma, confirming the 'Vallesian' estimate made by Heissig (1982). Several new faunal elements have been discovered including anurans, snakes, soricids, bats, galagids, hystricids and glirids. This fauna indicates that the region was appreciably more humid 11-10 Ma than it is today, with at least 750 mm and possibly as much as 1,200 mm mean annual rainfall. The role of karst processes in the development of the oases of the Western Desert that may have been underestimated by previous researchers is emphasized.
Rights:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan aquestes es distribueixin sota la mateixa llicència que regula l'obra original i es reconegui l'autoria de l'obra original.
Language:	Anglès
Document:	Article ; recerca ; Versió publicada
Subject:	Late Miocene ; Egypt ; Karst ; Palaeontology ; Palaeoclimatology ; Geomorphology
Published in:	Geologica acta, Vol. 7, Núm. 4 (Desembre 2009) , p. 475-487, ISSN 1696-5728

Adreça alternativa: https://raco.cat/index.php/GeologicaActa/article/view/140187
Adreça alternativa: https://revistes.ub.edu/index.php/GEOACTA/article/view/105.000001450
DOI: 10.1344/105.000001450

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