The organic source rocks of Paleogene from Huangxian basin are rich in the content of exinite and sapropelinite,especially resinite and alginite.

黄县盆地下第三系有机有丰富壳质组和腐泥组,尤其发育树脂体和藻类体,这些富组分荧光性质各不相同。

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主要显微组分是孢子体、角质体、藻类体、沥青质体、碎屑类脂体、基质镜质体等，而树脂体、木栓质体等早期低熟油组分量很低。