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title of the reference :
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On the impotance of bioclasts in the definition of a depositional model for the Metlaoui carbonate group.
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Publication Date:
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1989
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Author :
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Grant G.G., Moody Richard T.J.
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Catalogue type :
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Livre
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Catalogue reference :
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On the impotance of bioclasts in the definition of a depositional model for the Metlaoui carbonate group. Extensive studies of the Metlaoui Carbonate Group based on more than 40 field sections, 12 oil exploration wells and the analysis of over 1200 than sections, have led to the interpretation of the Ypresian nummulitic banks as hydrodynamic accumulation. Associations of various bioclasts are thought to be diagnostic of given paleogeographical zones, distributed across sloping ramp, ramp-bassin margin and proximal bassin regions. No evidence has been found which shows that pach-reef-like bodies occured on a broad shelf. The outcrop studies indicate that a nummulitic banks were elongate, lying parallel to the NNW-SSE trend of the Ypresian shoreline.
réfer.bibliog. section polie ; hydrodynamique ; carte paléogéographique ; Eocène ; Yprésien ; lithostratigraphie ; paléogéographie ; biofaciès ; wackestone ; packstone ; dolomitisation ; modèle ; formation Bou Dabbous ; formation El Garia ; formation Ain Marhatta ; Formation Faid ; Tunisie ; Tunisie Centrale Grant G.G. Moody Richard T.J. Minéralogie
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Indexation decimale :
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Minéralogie
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Keywords :
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section polie ; hydrodynamique ; carte paléogéographique ; Eocène ; Yprésien ; lithostratigraphie ; paléogéographie ; biofaciès ; wackestone ; packstone ; dolomitisation ; modèle ; formation Bou Dabbous ; formation El Garia ; formation Ain Marhatta ; Formation Faid ; Tunisie ; Tunisie Centrale
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Summary :
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Extensive studies of the Metlaoui Carbonate Group based on more than 40 field sections, 12 oil exploration wells and the analysis of over 1200 than sections, have led to the interpretation of the Ypresian nummulitic banks as hydrodynamic accumulation. Associations of various bioclasts are thought to be diagnostic of given paleogeographical zones, distributed across sloping ramp, ramp-bassin margin and proximal bassin regions. No evidence has been found which shows that pach-reef-like bodies occured on a broad shelf. The outcrop studies indicate that a nummulitic banks were elongate, lying parallel to the NNW-SSE trend of the Ypresian shoreline.
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