By the Gas chromatography and the Gas chromatography-mass spectrogram analysis, the biomarkers in the Lower Cretaceous mud rocks and coals of coalmeasures from Jixi Basin were studied.
应用气相色谱和色谱—质谱等分析方法，对鸡西盆地下白垩统煤系烃源岩的泥岩和煤岩生物标志物进行研究。
2
The Lower Permian Wangjiapu coalmeasures and the Upper Permian Leping coal measures in Northwest Jiangxi were formed in lacustrine environment in the epicontinental sea area.