| 济阳拗陷下第三系生油岩地球化学特征 |
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| 引用本文： | 洪志华.济阳拗陷下第三系生油岩地球化学特征[J].地球化学,1983(1):41-51. |
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| 作者姓名： | 洪志华 |
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| 作者单位： | 胜利油田地质科学研究院 |
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| 摘 要： | The Jiyang Depression was a near-sea basin in Oligocene time with a mild and wet climate. The prosperous living matter in this basin and its continual depression created a favorable habitat for the generatian of oil. Occasional transpressions resulted in some particularities with regard to its water medium, giving rise to a unique biologicaI group,with either abundant terrestrial and fresh-water biota or organism characteristie of semisaline environments or small amounts of marine biota. Discussions are also given to the evolution of the organic matter on the basis of variation of geochemical indicators observed at different depths with respect to an oilgenerating bed in Dongying Depression.
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| 关 键 词： | 地球化学 生油岩 第三系 济阳拗陷 |
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