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The AAPG/Datapages Combined Publications Database

Journal of Petroleum Geology

Abstract

Journal of Petroleum Geology, vol.24 (2), April 2001, pp 213-231
Copyright copyrght.jpg (4253 bytes) 2001 by Scientific Press Ltd. All rights reserved.

THE HYDROCARBON PROSPECTIVITY OF LOWER OLIGOCENE DEPOSITS IN THE MARAGH TROUGH, SE SIRT BASIN, LIBYA

R. Gruenwald*

The main phase of rifting the Sirt Basin (Libya) had ceased by the mid-Cretaceous but Alpine-related tectonic pulses in the late Eocene resulted in northward tilting of the basin. In the Maragh Trough (SE Sirt basin), a regional unconformity consequently separates Eocene carbonates from the overlying Oligocene succession. The unconformity marks a change from Eocene carbonate sedimentation to more mixed shallow-marine deposition in the Oligocene. A regional transgression re-established fully marine conditions in the Miocene.

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