多种能源矿产共存富集的地球化学特征Geochemical Characteristics of Diversiform Energy Minerals Coexisting and Concentration
刘勇,张科
摘要(Abstract):
对煤、石油、天然气三种可燃有机矿产进行了研究,从理论到勘探试验都证明,同属沉积圈中的煤、石油和天然气这三种有机矿产,无论在成因还是在演化上,既有共性,也存在明显差异。研究结果表明:这三种可燃有机矿产可以共生于同一盆地或层系之内,也可以分别富集于不同盆地或层系之中;三种有机矿产之间存在一定的成因联系,并且共同来源于沉积有机质;有机质源的不同和地球化学转化过程的差异,形成煤、石油、天然气三种可燃有机矿产;三种有机矿产都是生物先质经有机质的成岩和变质作用转变而成的,而控制生物先质的转化方向则取决于沉积有机相。
关键词(KeyWords): 可燃有机矿产;地球化学特征;成因联系;共存
基金项目(Foundation): 国家重点基础研究发展计划(2003CB214608)
作者(Author): 刘勇,张科
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