Carbonate Depositional Systems: Assessing Dimensions and by Hildegard Westphal, Bernhard Riegl, Gregor P. Eberli

By Hildegard Westphal, Bernhard Riegl, Gregor P. Eberli

Carbonate sediments are of accelerating relevance for data of previous environmental stipulations and for in your price range purposes in parts of geothermal strength and hydrocarbon reservoirs. advanced interplay of actual and chemical parameters with organic parameters determines the structure and composition of carbonate sedimentary our bodies. This e-book closes a number of the nonetheless latest gaps in our figuring out of the impact and interaction of actual, chemical, and organic parameters with carbonate sedimentation. An figuring out of this interplay is not just required for trustworthy prediction of reservoir caliber but in addition for a strong interpretation of environmental stipulations some time past and the current. it truly is written by means of geologists for geologists so that it will supply an simply obtainable review of the massive volume of proper info supplied by means of the neighbouring sciences. The procedure of the publication is to rfile the trendy depositional environments of 3 classical parts of carbonate deposition, every one attribute for a selected sedimentological surroundings (isolated platform, connected shelf, ramp) for you to check either the diversity of actual, organic and chemical parameters and their sedimentary reaction. This booklet offers a entire compilation in keeping with facts from released paintings and unpublished theses, and the mixing of those info for you to extract formerly undiscovered relationships among the mentioned parameters and carbonate deposition.

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Additional info for Carbonate Depositional Systems: Assessing Dimensions and Controlling Parameters: The Bahamas, Belize and the Persian/Arabian Gulf

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2 Controlling Parameters on Facies Geometries of the Bahamas 21 to the interior near Andros Island (Cloud 1962). This has consequences for the distribution and prediction of sediment composition and grain size. In contrast to carbonate depositional environments elsewhere, in the Bahamian shallow water environment, facies is not related to depth but is controlled to a large extent by energy level. For example, ooid sediments are deposited in the high-energy setting at Joulters Cays, whereas carbonate mud is deposited in the same water depth on the tidal flats of Andros Island.

Bergman et al. 2 Controlling Parameters on Facies Geometries of the Bahamas 29 cavernosa, and Siderastrea siderea (Smith 1948; Tucker and Wright 1990; Chiappone et al. 1996, 1997a). On the fringing reef along the windward side of Andros Island, the so-called Andros Barrier Reef, corals exhibit a clear zonation according to energy. The reef crest is dominated by A. palmata, seaward to 3 m depth A. palmata, A. cervicornis and Diploria dominate, and below 3 m Montastrea, A. palmata and P. porites dominate (Bathurst 1975; Kramer et al.

Bahamian sedimentary facies distribution reflects the control by antecedent topography and energy flux. For example, facies 2 Controlling Parameters on Facies Geometries of the Bahamas 39 Fig. 12 Sedimentary facies distribution on GBB and LBB, and locations mentioned in text (Modified after Enos 1974; with data from Purdy 1963b; Reijmers et al. 2008) distribution is distinct on the windward and leeward sides of the margins (Hine et al. 1981b). More extensive grainstone belts are present on the higher energy windward side, whereas packstone and wackestone belts dominate the lee side, especially where Pleistocene bedrock islands are present.

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