煤田地质与勘探2016,Vol.44Issue(5):10-15,6.DOI:10.3969/j.issn.1001-1986.2016.05.002
构造演化对湖南省瓦斯赋存分布的控制
Tectonic control on gas occurrence and distribution in Hunan Province
摘要
Abstract
Applying the theory of step-by-step control on gas occurrence, combining with gas geological data of coal mines in Hunan Province,the paper discussed the tectonic control law of the gas occurrence, analyzed the gas zoning and the characteristics of gas zones. The results show that the geological structure in Hunan Province is complicated, the north was collided and compressed by north China plate, the west was jostled by Tibetan-Yunnan plate, the south was effected by Indochina plate, the east was collided and compressed by Pacific-Philippines plate for long time, making coal seam structures in Hunan Province severely destroyed, structures of coalfields complex, tectonic coal developed and seam thickness changed a lot. Intense magmatic thermal metamorphism increased the metamorphic grade of coal, resulting in significant influence on gas oc-currence. Coal mine gas occurrence distribution in Hunan Province is divided into two high gasoutburst zones, one high gas zone and fivelow gas zones.关键词
瓦斯赋存/构造逐级控制/构造演化/瓦斯分带Key words
gas occurrence/step-by step tectonic control/tectonic evolution/gas zoning分类
天文与地球科学引用本文复制引用
王蔚,贾天让,张子敏,徐东方,董雁梧..构造演化对湖南省瓦斯赋存分布的控制[J].煤田地质与勘探,2016,44(5):10-15,6.基金项目
国家科技重大专项课题(2011ZX05040-005)@@@@National Science and Technology Major Project(2011ZX05040-005) (2011ZX05040-005)