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<p>Sediments of the Holocene of the southern Arabian Gulf (United Arab Emirates) exhibit a wide range of sedimentary facies which include: (a) pelecypod sands mixed with lime and argillaceous mud offshore; (b) pelecypod-rich grain-dominated sediments in the deeper tidal channels between the barrier island lagoons and deeper portions of the Khor al Bazam; (c) coral reefs and coralgal sediments of coastal margins to the west; (d) oolite shoals that accumulate in front of barrier islands to the east or ebb tidal tidal-deltas and tidal-channels; (e) grapestone-rich sediments that occur on exposed coastal terraces of the western Khor al Bazam and on the leeward side of the reefs and oolite shoals in eastern Abu Dhabi; (f) pelleted lime muds that accumulate within the protected lagoons of eastern Abu Dhabi; (g) cyanobacterial mats and mangrove swamps lining the inner shores of the protected lagoons of Abu Dhabi and the east Khor al Bazam; and (h) supratidal salt flats, (sabkhas) where evaporite minerals precipitate at the surface or within the sediments along the inner shoreline. The settings of the southern coast of the southern Arabian Gulf (Abu Dhabi coastline) can be used as a comparative model for understanding ancient carbonate/evaporite depositional and diagenetic processes. Similar facies associations of shallow-water carbonates and evaporites occur in the subsurface of the Arabian Gulf and include the Permo-Triassic Khuff Formation andthe Upper Jurassic Arab and Hith (Anhydrite) formations. examples from North and South America, Australia, and Europe include the Ordovician Red River Formation of the Williston Basin, the Ordovician Bauman Fjord Formation of Ellesmere Island, the Devonian of Western Canada and Western Australia, the Pennsylvanian of the Paradox Basin, the Permian of West Texas and the Permian Zechstein of the Netherlands, Northern Germany, Denmark, Poland, the UK, and the North Sea area, as well as Jurassic sedimentary rocks of the Gulf of Mexico and parts of the Lower Cretaceous of Southeastern Texas.</p>

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Modern carbonate and evaporite depositional environments of the Arabian Gulf: analogues for subsurface carbonate reservoirs that formed under arid climatic conditions

  • 期刊论文

  • 发表日期：

    2026年3月26日

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  • Abdulrahman S. Alsharhan,
  • Christian J. Strohmenger

摘要

Sediments of the Holocene of the southern Arabian Gulf (United Arab Emirates) exhibit a wide range of sedimentary facies which include: (a) pelecypod sands mixed with lime and argillaceous mud offshore; (b) pelecypod-rich grain-dominated sediments in the deeper tidal channels between the barrier island lagoons and deeper portions of the Khor al Bazam; (c) coral reefs and coralgal sediments of coastal margins to the west; (d) oolite shoals that accumulate in front of barrier islands to the east or ebb tidal tidal-deltas and tidal-channels; (e) grapestone-rich sediments that occur on exposed coastal terraces of the western Khor al Bazam and on the leeward side of the reefs and oolite shoals in eastern Abu Dhabi; (f) pelleted lime muds that accumulate within the protected lagoons of eastern Abu Dhabi; (g) cyanobacterial mats and mangrove swamps lining the inner shores of the protected lagoons of Abu Dhabi and the east Khor al Bazam; and (h) supratidal salt flats, (sabkhas) where evaporite minerals precipitate at the surface or within the sediments along the inner shoreline. The settings of the southern coast of the southern Arabian Gulf (Abu Dhabi coastline) can be used as a comparative model for understanding ancient carbonate/evaporite depositional and diagenetic processes. Similar facies associations of shallow-water carbonates and evaporites occur in the subsurface of the Arabian Gulf and include the Permo-Triassic Khuff Formation andthe Upper Jurassic Arab and Hith (Anhydrite) formations. examples from North and South America, Australia, and Europe include the Ordovician Red River Formation of the Williston Basin, the Ordovician Bauman Fjord Formation of Ellesmere Island, the Devonian of Western Canada and Western Australia, the Pennsylvanian of the Paradox Basin, the Permian of West Texas and the Permian Zechstein of the Netherlands, Northern Germany, Denmark, Poland, the UK, and the North Sea area, as well as Jurassic sedimentary rocks of the Gulf of Mexico and parts of the Lower Cretaceous of Southeastern Texas.