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鱼卡煤田三井田F_1断层发育特征及控煤分析 被引量:3

Fault F_1 Development Characteristics and Coal-controlling in No.3 Minefield,Iqe Coalfield
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摘要 鱼卡煤田三井田总体构造形态为一向西倾伏的背斜构造,并发育有一系列走向NEE的逆推断层和NNE的左行平移断层。断层表现为落差大延伸远,对煤层的破坏严重,特别是F1逆断层,走向NWW,倾向N,倾角60°~80°,贯穿整个井田,在区内表现为沿断层破碎带出现M7煤层的缺失、重复以及变薄。因此,在煤炭资源勘查过程中,特别是勘探阶段,查明和控制先期开采地段落差≥30m的断层尤为重要。 Overall structural form of the No.3 minefield, Iqe coalfield is an anticline plunging west, associated with a series of strike NEE thrusts and NNE sinistral strike-slip faults. The faults present large drop height and long extension, seriously destructed coal seams. Especially the reversed fault F1 with strike NWW, dip N, dip angle 60° -80°, runs through coalfield en bloc, along the shattered fault zone brings into views of coal seam M7 omission, recurrent and pinching. Therefore, in coal resource investigation process, especially in exploration stage, identifying and control faults with drop height ≥ 30m in the mining in advance sector is particularly important.
作者 王宗理
出处 《中国煤炭地质》 2012年第5期19-21,共3页 Coal Geology of China
关键词 鱼卡煤田 地质构造 断层控煤 逆推断层 平移断层 Iqe coalfield geological structure fault coal-controlling thrust strike-slip fauh
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