A natural oil seep in the floodplain of the Amga River (Siberian Platform) |
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| Affiliation: | 1. Université Lille Nord de France, Laboratoire Géosystèmes UMR 8217 CNRS-Equipe de Chimie Analytique et Marine, Bâtiment C8, Cité Scientifique, 59655 Villeneuve d''Ascq, France;2. Université Libanaise, Faculté de Santé Publique Section III, Laboratoire des Sciences, de l''Eau et de l''Environnement (L.S.E.E.), Tripoli, Lebanon;1. Department of Civil, Building and Environmental Engineering (DICEA), Sapienza University of Rome, Via Eudossiana 18, 00184, Rome, Italy;2. Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy;1. North Carolina State University, Campus Box 7908, Raleigh, NC 27695, USA;2. Draper Aden Associates, 114 Edinburgh South Drive, Cary, NC 27511, USA |
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| Abstract: | A natural oil seep has been revealed in the floodplain of the middle stream of the Amga River, in zone of the exposure of Middle Cambrian sediments. A distinctive feature of saturated hydrocarbons of this oil is the absence of 12- and 13-methylalkanes, biomarkers that are present in oils of the Vendian–Cambrian deposits of the Nepa–Botuobiyan petroliferous province. In this feature the studied seep oil is similar to the Middle Cambrian oil from hydrogeologic wells (1-P and 1-T) drilled earlier downstream of the Amga River. |
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