Classification and Mechanism of Interlayer-Gliding Structures in the Zhangji Coalmine, Huainan Area
详细信息
- 责任者：Xie Guoai (School of Earth Sciences and Engineering ; Nanjing University ; Nanjing 210093 ; China) ; Yao Suping
- 刊名：Geotectonica et Metallogenia
- 出版年：2013
- 卷期：37(1)
- 关键词：煤矿 ; coal mines ; 层滑构造 ; layer slip structure ; 安徽 ; Anhui Province
- 页码：p.11-19
- 图表：illus., 1 table, 35 refs.
- 分类号：1004
- issnNo：ISSN1001-1552
- isbnNo：CN44-1595/P
摘要
By analyzing features of numerous structures in the Zhangji Coalmine, Huainan area, the interlayer-gliding structures are classified into two basic types: the corrugation type and fracture type. According to the assemblages of the two types of interlayer-gliding structures, they can be further subdivided into domino-style, graben-and-horst, step-fault, “y” and “anti-y” structures. Experimental modeling is employed to investigate the mechanism (s) of the different types of interlayer-gliding structures. The vitrinite reflectance anisotropy data revealed at least two stages of tectonic stress since Mesozoic in the Zhangji Coalmine. The experimental modeling indicates that the NWW-SEE direction extensional stress was probably the main dynamic factor controlling the geometry of the interlayer-gliding structures in the Zhangji Coalmine.
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