Structural Zonation and Coal Occurrence Characteristic of Nazhi Coalfield in Guizhou
详细信息
- 责任者：Tang Xiangui (Center of Geological Engineering Consult and Environment Monitoring for Coal Mine in Guizhou ; Guiyang 550003 ; China)
- 刊名：Guizhou Geology
- 出版年：2013
- 卷期：30(2)
- 关键词：煤矿 ; coal mines ; 贵州 ; Guizhou Province
- 页码：p.95-101
- 图表：illus., 6 refs.
- 分类号：1004
- issnNo：ISSN1000-5943
- isbnNo：CN52-1059/P
摘要
In this paper,the geological situation,coalfield structural character and coal occurrence condition are introduced,the structural zonation,coal occurrence and coal controlling structure are summarized.According to the uplift degree of coat-bearing stratum and coal cover depth,the coal field are divided into 3 large zones and 8 small zones,the coal occurrence character of each zone is different,the coal occurrence of Santang-Guanzhai zone and Baixing-Yanjiao zone in middle and west area are kept fine,the cover depth is suitable and easy to explore.The coal controlling structure includes coal-controlling fold and coal-controlling fracture,coal-controlling fold mainly is NE syncline partition fold,coal-controlling fracture mainly is regional fracture,the fault near the regional fracture is developed and belong to fanit-fold coal control.The coal-controlling style includes 5 broad classes and 11 narrow classes,extensional structural style,superposed fold and fracture are developed.
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