Salt tectonics in the Cap Boujdour Area,Aaiun Basin,NW Africa |
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Authors: | Ian Davison Paul Dailly |
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Affiliation: | 1. Earthmoves Ltd. 38-42 Upper Park Road, Camberley, Surrey, GU 15 2EF, UK;2. Kosmos Energy LLC., 8401 North Central Expressway, Suite 280, Dallas, TX 75225, USA |
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Abstract: | Seismic reflection data indicate the Moroccan salt basin extends to the Cap Boujdour area in the Aaiun Basin. Two salt diapir structures have been identified and several areas of collapsed strata indicate probable salt removal at the shelf edge. The presence of salt in this area correlates to the conjugate southern George's Bank Basin and the Baltimore Canyon area, and it is suggested that the salt extends southward from the known salt diapir province in the George's Bank Basin southward to the Great Stone Dome. The paucity of salt diapirs is attributed to the thick carbonate and anhydrite sequence, which was deposited soon after salt deposition that inhibited halokinesis. The presence of salt along this large segment of the Atlantic margin should increase its hydrocarbon potential with traps created around salt diapirs and provision of migration pathways from deep potential source rocks in the early Cretaceous and Jurassic strata to shallower levels. |
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Keywords: | NW Africa Atlantic margin Salt tectonics |
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