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本文详细总结了下扬子地区古生界海相烃源岩饱和烃生物标志物地球化学特征，讨论了生物标志物的分布特征及其地球化学意义。并与华北地区和塔里木盆地生物标志物分布特征进行了对比。这对于长期勘探而又未获得重大突破的下扬子地区古生界海相碳酸盐岩的油气勘探具有一定的指导意义。
This paper summarizes the geochemical characteristics of saturated hydrocarbon biomarkers of Paleozoic marine source rocks in the Lower Yangtze region, discusses the distribution characteristics of biomarkers and its geochemical significance. And compared with the distribution characteristics of biomarkers in North China and Tarim Basin. This is of guiding significance to oil and gas exploration of Paleozoic marine carbonate rocks in the Yangtze area, which have not been greatly explored by long-term exploration.