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As the main source rocks, the third member of Shahejie Formation (Es3), the first member of Shahejie Formation (Es1) and the third member of Dongying Formation (Ed3) have abundant oil reserves. However, the formation mechanism is unclear, especially the paleoproductivity. This paper discussed the paleoproductivity and paleoenvironment such as terrigenous organic matter (TOM) input, sedimentation rate,...
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