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Study on the Relationship Between Evaporate and Hydrocarbon Generation
Author(s): 
Pages: 596-606
Year: Issue:  4
Journal: ACTA SEDIMENTOLOGICA SINICA

Keyword:  蒸发岩有机质油气烃源岩;
Abstract: 油气与蒸发岩共生的现象揭示蒸发岩与油气的生成、保存及成藏具有密切关系.从油气生成条件看,细菌、藻类及咸水盆地底层的岩性对油气的生成具有重要作用,此外红层中的粘土对烃类的生成起到催化的作用,碱金属可使生成的烃类发生流动;从有机质的保存条件看,蒸发岩盆地水体中具有密度分层的特点,在高密度层以下的沉积物具有强的氧化还原电位,从而使有机质保存下来.蒸发岩往往与油气共生,形成多种形式的成藏模式,我国东濮凹陷、济阳坳陷深水成因的蒸发岩实例,均已揭示了蒸发岩地区油气勘探的巨大潜力.
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