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Volume :9 Issue : 2 1982
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The Mauddud-Wara contact in the Greater Burgan Oil Field-a possible unconformity surface
Auther : ALI A. AL-SHAMLAN AND MOHAMED I. A. EL-SAYED
Deportment of Geology. University of Kuwait and Kuwait Institute for Scientific Research
ABSTRACT
The Mauddud Formation is one of the important reservoir rocks in Kuwait. It ranges in thickness from a few metres to about a hundred metres. The unconformity surface can be demarcated by using the following criteria: the variation in thickness of the Mauddud Formation in the study area as compared to that in other localities, the abrupt change from the Mauddud limestone to the Wara sandstone, the presence of dedolomitisation features near the top of the formation, and the effect of chemical weathering on glauconite which results in the precipitation of hydrated iron oxides and alunite.