Bulk composition, specific C (sub 15+) hydrocarbons (n-alkanes, isoprenoids, steranes, triterpanes), and aromatics including sulfur compounds and light hydrocarbons (C 2 to C 8 molecular range). Defined as belonging to a single geochemical province. Source material of bacterially reworked algae and a source rock poor in clay minerals, probably a calcareous rock. Calcareous bituminous rocks of the Campanian-Maestrichtian Ghareb Formation (exposed on the margin of the Dead Sea graben) are a potential source of the asphalts and oils.--Modified journal abstract.

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