钱家营矿区岩浆岩发育特征及其对地温异常的影响
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摘要
基于对钱家营矿区的褶皱、断层和岩浆岩侵入规律的分析,对钱家营矿的地温异常区进行研究。钱家营矿区两个褶皱较集中区,分别位于东北、西南两端,形成"帚状构造"构造型式;断层以正断层为主,落差多为1~3m。钱家营矿区受中生代燕山期区域构造影响,垂向裂隙发育深度大,引导岩浆侵入石炭-二叠系煤层,形成岩墙或岩脉。在岩浆岩深层侵入区域,断裂可能沟通深部地下水,引起本区热结构的异常。
Based on analysis of strata folds,faults and intrusion rule of magmatic rock in the Qianjiaying mining area,the geothermal anomaly area of Qianjiaying Mine was studied.The two folding concentration zones in the Qianjiaying mining area were located in the northeast end and the southwest end,forming a broom-shaped structural pattern.The faults were mainly normal faults that the fault throws were mainly 1~3 m.The Qianjiaying mining area was affected by the regional structure of Mesozoic Yanshanian,the vertical fracture development depth was so large that it led magma invade the coal seam of Permo-Carboniferous system and formed dike or dyke.In the magmatic rocks intrusion area,the fractures could communicate deep groundwater and cause thermal structure anomaly.
Based on analysis of strata folds,faults and intrusion rule of magmatic rock in the Qianjiaying mining area,the geothermal anomaly area of Qianjiaying Mine was studied.The two folding concentration zones in the Qianjiaying mining area were located in the northeast end and the southwest end,forming a broom-shaped structural pattern.The faults were mainly normal faults that the fault throws were mainly 1~3 m.The Qianjiaying mining area was affected by the regional structure of Mesozoic Yanshanian,the vertical fracture development depth was so large that it led magma invade the coal seam of Permo-Carboniferous system and formed dike or dyke.In the magmatic rocks intrusion area,the fractures could communicate deep groundwater and cause thermal structure anomaly.
引文
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[11]刘义生,唐鑫.钱家营矿深部瓦斯动力现象地质控制因素研究[J].煤炭科学技术,2015(4)
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