Miocene evaporitic sequence of the southern Mesopotamian Basin

Lithological analysis of the Lower Fars Formation in southern Iraq was carried out through the study of cuttings and cores, where available, and electric logs of 26 selected boreholes. The formation exhibits a complex repetition of various lithofacies, namely, limestone, dolomite, anhydrite/gypsum,...

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Veröffentlicht in:	Marine and petroleum geology 1993-04, Vol.10 (2), p.172-179
1. Verfasser:	Aqrawi, A.A.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Characteristics of producing layers. Reservoir geology. In situ fluids Crude oil, natural gas and petroleum products Crude oil, natural gas, oil shales producing equipements and methods Earth sciences Earth, ocean, space Energy Exact sciences and technology Fuels Geology and geochemistry. Geological and geochemical prospecting. Petroliferous series Marine Mesopotamian Basin Miocene evaporites Prospecting and exploration Prospecting and production of crude oil, natural gas, oil shales and tar sands sabkhas Stratigraphy subaqueous evaporite formation
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Beschreibung
Zusammenfassung:	Lithological analysis of the Lower Fars Formation in southern Iraq was carried out through the study of cuttings and cores, where available, and electric logs of 26 selected boreholes. The formation exhibits a complex repetition of various lithofacies, namely, limestone, dolomite, anhydrite/gypsum, halite, marl and siliciclastics. Four depositional cycles, with different thicknesses, were identified in the study area. The depositional environment of the formation is reconstructed as being a semi-closed marginal basin dominated by saline tidal flats receiving siliciclastic sediments. More than one Recent sabkha type could be the analogue of the studied sequence.
ISSN:	0264-8172 1873-4073
DOI:	10.1016/0264-8172(93)90022-K