The main hydrocarbon-generating macerals in the source rocks of the coal measures are exinite, alginite and desmocollinite.Organic matter is dominantly of type III kerogen.
煤系烃
主要的成烃显微组分是壳质
、藻类、
质镜质等,有机质类型以Ⅲ型为主;
；藻煤素The main hydrocarbon-generating macerals in the source rocks of the coal measures are exinite, alginite and desmocollinite.Organic matter is dominantly of type III kerogen.
煤系烃主要的成烃显微组分是壳质、藻类、质镜质等,有机质类型以Ⅲ型为主;
Main macerals of hydrocarbon generation are sporinite, cutinite, alginite, bituminite, liptodetrinite and desmocollnite in source rocks from Jurassic coal measure in Northwest China.
西北地
侏罗纪煤系地层主要的生烃显微组分是孢子、角质、藻类、沥青质、碎屑类
、质镜质等，而树、木栓质等早期低熟生油组分含量很低。
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