alginite

1.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.

煤系烃源岩中主要的成烃显微组分是壳、类、基镜等,有机类型以Ⅲ型为主;

2.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中主要的生烃显微组分是孢子、、类、沥青、碎屑类脂、基镜等，而树脂、木栓等早期低熟生油组分含量很低。