Main macerals of hydrocarbon generation are sporinite, cutinite, alginite, bituminite, liptodetrinite and desmocollnite in source rocks from Jurassic coal measure in Northwest China.
西北地区侏罗纪煤系地层中主要的生烃显微组分是孢
、
、藻类、沥青、碎屑类
、基镜等，而树、木
等早期低熟生油组分含量很低。
]
;孢壁煤素
Main macerals of hydrocarbon generation are sporinite, cutinite, alginite, bituminite, liptodetrinite and desmocollnite in source rocks from Jurassic coal measure in Northwest China.
西北地区侏罗纪煤系地层中主要的生烃显微组分是孢、、藻类、沥青、碎屑类、基镜等，而树、木等早期低熟生油组分含量很低。
A small quantity of sporinite and cutinite were identified in addition to the majority of the hydrocarbon-forming micro-components that mainly occurred as matrix vitrinites.
烃源岩主要生烃显微组分为基镜，少量孢、和碎屑壳。
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