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通过大量的野外观察及资料收集整理,分析了贵州地区寒武系牛蹄塘组石煤发育的沉积环境及分布特征,并对石煤的页岩气地质意义进行了讨论。认为牛蹄塘组主要为陆棚沉积,按其物质组成划分了泥砂质陆棚及泥灰质陆棚。石煤主要发育在德江-湄潭-息烽一线以东的泥灰质陆棚中。按石煤的赋存状态划分了硅质石煤,炭质石煤及砂质石煤。
Through extensive field observation and data collection and collation, the sedimentary environment and distribution characteristics of the Cambrian Niutitang Formation in Guizhou Province are analyzed. The geological significance of shale gas in the stone coal is also discussed. It is considered that the Niutizang Formation is mainly continental shelf sediment. According to its material composition, the silt sandy shelf and marl shelf are divided. Stone coal is mainly developed in the Dejiang - Meitan - Xifeng line east of the marl shelf. Divided by the occurrence of stone coal siliceous coal, carbonaceous stone coal and sandy stone coal.