通过较系统地研究重庆秀山溶溪寒武系剖面的地层学、沉积岩石学、沉积相及环境，本文对该剖面进行了重新认识。
The section of the Cambrian in Xiushan of Chongqing has been well re-appraised over again by studying its stratigraphy, sedimentary petrology, sedimentary facies and environment in this thesis.
通过矿物学、岩石学和地球化学研究，对大同煤系高岭岩矿物组成、化学组成，及其变化规律和成因进行了系统探讨。
According to research of mineralogy, petrology and geochemistry, we discuss kaolin mineral composition, chemistry composition, and change rules and origin of Datong coal series.
应用有机岩石学和有机地球化学方法对储层沥青进行了系统的研究。
The reservoir bitumens were systematically studied by applying the organic petrologic and organic geochemical methods.
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