Sequence stratigraphic context and organic geochemistry of Palaeogene oil shales,Jordan |
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| Institution: | 1. Exploration Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Egypt;2. Earth and Environmental Sciences Department, Hashemite University, PO Box 150459, 13115, Jordan;3. Halliburton, 97 Jubilee Avenue, Milton Park, Oxford, OX14 4RW, UK;1. Chevron Energy Technology Company, United States;2. Colorado School of Mines & GeoMark Research, Ltd., United States;1. Exploration Department, Egyptian Petroleum Research Institute, Nasr City 11727, Egypt;2. Geology Department, Faculty of Science, Tanta University, Egypt;3. Earth and Environmental Sciences Department, Hashemite University, Zarqa 13115, Jordan;1. Department of Geological and Environmental Sciences, P.O. Box 653, Ben Gurion, University of the Negev, Beer Sheva 84105, Israel;2. Dead Sea and Arava Science Center, Neve Zohar, Dead Sea Mobile Post 86910, Israel;3. Institute for Mineralogy and Geochemistry, Karlsruhe University, 76131 Karlsruhe, Germany;4. Department of Earth and Environmental Sciences, KU Leuven, Celestijnenlaan 200E, B-3001 Leuven, Belgium;5. Geological Survey of Israel, 30 Malkhe Israel St., Jerusalem 95501, Israel;6. Institute of Atmospheric and Environmental Sciences, Department of Environmental and Analytical Chemistry, Goethe-University, Altenhöferallee 1, 60438 Frankfurt am Main, Germany |
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| Abstract: | The potential oil shales of the Palaeogene Muwaqqar Chalk Marl and Umm Rijam Chert Limestone formations are investigated from a subsurface location in the west of Jordan. Detailed organic geochemistry data is placed in the context of a sequence stratigraphic framework derived from vertical foraminiferal biofacies and lithological changes and biostratigraphically calibrated using planktonic foraminiferal biozonation. This shows that the transgressive systems tract of a Selandian (P4, probably P4a) sequence has the best potential in the studied section to generate oil if subjected to induced pyrolysis. A Ypresian (no older than E2) transgressive sequence has some potential, whilst highstand systems tracts offer the least potential. Both the sequence model and oil shale potential compares well with equivalent age sediments in Egypt and highlights that whilst the Maastrichtian portion of the Muwaqqar Chalk Marl Formation is often regarded as the key interval for oil shale prospectivity, parts of the Paleocene succession also have some potential. |
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| Keywords: | Oil shale Sequence stratigraphy Muwaqqar Chalk Marl Jordan |
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