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煤田勘查钻孔见煤前的一般岩性特征
General Lithologic Features Before Drilling to The Coal-beds in Drill-hole of Coal-field Exploration
【摘要】 根据多年的勘查实践,总结提出了八条正常地层层序下钻孔见煤前的一般岩心岩性特征,对指导见煤预告等大有裨益。
【Abstract】 Based on the prospecting practices of many years, the paper has summarized 8 general lithologic features of core under normal stratigraphic sequence before drilling to the coal-beds in drill hole. It is helpful to predict the depth of coal-beds in drill hole.
- 【文献出处】 中国煤田地质 ,Coal Geology of China , 编辑部邮箱 ,2001年02期
- 【分类号】P618.11
- 【被引频次】1
- 【下载频次】53