Coalfield Structural Framework and Coal Controlling Structure Styles in Chongqing
详细信息
- 责任者：Zhang Ruigang (Key Laboratory of Exogenic Mineralization and Mine Environment ; Chongqing Institute of Geology and Mineral Resources ; Chongqing 400042 ; China) ; Xiang Xiaojun
- 刊名：Coal Geology & Exploration
- 出版年：2012
- 卷期：40(1)
- 关键词：矿田构造 ; mine field structure ; 重庆 ; Chongqing
- 页码：p.7-9,13
- 图表：3 illus., 1 table, 6 refs.
- 分类号：1004
- 出版序号：20130334
- issnNo：ISSN1001-1986
- isbnNo：CN61-1155/P
摘要
Chongqing area is located in central Sichuan Basin of Yangtze Block, basement thrust zone of Micang-Daba Mountains and passive fringe thrust zone of southern Yangtze Block. Tectonics framework and struc-tural evolution history are very complex, multiple staged structural action have formed northeastern Chongqing NW-NWW-NW and northwestern Chongqing-eastern Chongqing-southeastern Chongqing NE-NNE-NW morpho-logical characteristics. Based on coalfield structural framework in Chongqing area, the paper analyzed the coal controlling structure style, expounded their impact extent to coal measures hosting. The result shows that structure styles controlling coal are mainly compressed tectonic, coalbed occurs mainly at two wings of folds.
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