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Ostracods and Benthic Foraminifers Distribution in the Subsurface Sediments of Gargour Coastal Fringe (Southeastern Tunisia)
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Author(s): Soumaya Ben Rouina (University of Sfax, Tunisia), Rimeh Zarai (University of Gabes, Tunisia)and Jamel Touir (University of Sfax, Tunisia)
Copyright: 2024
Pages: 22
Source title:
Palynology and Human Ecology of Africa
Source Author(s)/Editor(s): Emuobosa Akpor Orijemie (Department of Archaeology and Anthropology, University of Ibadan, Nigeria)and Sylvester Onoriode Obigba (Palynology Laboratory, Department of Archaeology and Anthropology, University of Ibadan, Nigeria)
DOI: 10.4018/978-1-6684-7801-1.ch009
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Abstract
A quantitative and qualitative distribution of the foraminiferal and ostracods obtained from a 80 cm length core implanted in Gargour coastal fringe (Southeastern of Tunisia), shows various species. The benthic foraminifera, are composed of two assemblages, (1) Coastal marine assemblage comprising Elphidium crispum, Elphidium advenum, Quinqueloculina bicostata, Quinqueloculina seminula, Adolisina sp., Sorites orbiculus, Peneroplis perstus. (2) Brackish estuarine influences assemblage containing Ammoniana tepida, Ammonia parkinsoniana and Trochamina inflata. The ostracods show three associations, (1) Marine assemblage containing Aurila woodwardii, Semicytherura striata and Loxoconcha rhomboidea. (2) Lagoonal assemblage made up of Leptocythere fabaeformis and Xestoleberis aurantia. (3) Estuarine influences brackish assemblage comprising Cyprideis torosa, Loxoconcha elliptica and Loxoconcha turbida. Three major zones (I, II, and III) were identified based on dominance of ostracods and benthic foraminifera assemblages, coupled with sedimentary facies.
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