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wang ying mei kuang you sha yan tu chu qian xi
Pages: 33-35
Year: Issue:  6
Journal: Safety in Coal Mines

Keyword:  油砂岩王营矿正断层火成岩向斜矿井概况煤矿倾角岩床岩墙;
Abstract: <正> 一、矿井概况王营矿位于王家营子向斜的两翼。已查明煤田主要断层共计九条(全部为正断层,倾角为55°~66°)。其落差大于100m 的有平安二号断层,落差在50~100m 的有平西二号及 F8断层,落差在25~50m 的有平安一号, F7、F10、F11及 F12断层。向斜北翼,火成岩活动频繁,侵入时间在白垩系之后,侵入方式有岩墙及岩床两
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