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Coalfield structure and structural controls on coal in China
International Journal of Coal Science & Technology ( IF 6.9 ) Pub Date : 2020-05-20 , DOI: 10.1007/s40789-020-00326-z
Daiyong Cao , Anmin Wang , Shuzheng Ning , Huantong Li , Aijun Guo , Limin Chen , Kang Liu , Jieqing Tan , Zhihong Zheng

The occurrence of coal-bearing strata in a variety of coal-bearing basins of China is characterized by late tectonic deformation and remarkable spatial and geochronologic differences. The main controlling factors, which determine the tectonic framework of coalfields, include the geodynamic environment, tectonic evolution, deep structures, tectonic stress, and lithologic combination of the coal measures. The Chinese continent has experienced multi-stage tectonic movements since the Late Paleozoic. The spatial and temporal heterogeneity of its continental tectonic evolution, the complexity of its basement properties, and its stratigraphic configurations control the tectonic framework of its coalfields’ present complex and orderly patterns. The concept of coal occurrence structural units is proposed in this paper and is defined as the structural zoning of coal occurrence. China’s coalfields are divided into five coal occurrence structural areas, and the structural characteristics of the coalfields in five main coal occurrence areas throughout the country are summarized. Based on the analysis of the relationship between the structure characteristics and occurrence of coal in these coalfields, the coal-controlling structures are divided into six groups: extensional structural styles, compressional structural styles, shearing and rotational structural styles, inverted structural styles, sliding structural styles, and syn-depositional structural styles. In addition, the distribution of coal-controlling structural styles is briefly summarized in this paper.

更新日期:2020-05-20
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