成煤环境中的氧化还原条件对镜煤和丝炭各自有机地球化学特征和产烃潜力均有重要的影响。

The redox conditions in coal-forming environment are the important factor affecting the organic geochemical characteristics and the hydrocarbon-formings potential of coal.

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在缺氧环境的研究中，地球化学指标如矿物、微量元素、同位素和有机地球化学指标最为重要。

The geochemical indicators, such as mineral, trace element and isotopic geochemistry and organic geochemistry indices, are of the most importance in the study of anoxic environment.

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含矿建造的有机地球化学研究表明：主岩富含原生有机质，其沉积环境为还原一强还原的浅海低洼海盆。

The studies of organic geochemistry on the ore-bearing formation show that the host-rock is rich in primary organic matters and the sedimentary environment is low basin in the epicontinental sea.

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