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构造地质

GEOLOGICAL STRUCTURE

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【作者】 张竹如贾小瑛

【Author】 Zhang Zhuru;Jia Xiaoying(Department of Geology Guizhou Institute of Technology)

【机构】 贵州工学院地质系

【摘要】 研究区正置NE向牟平──即墨断裂带上,褶皱复杂,断裂十分发育。NE向深断裂控制了区内4个花岗岩体分布;NE向及E—W向深断裂控制了中生代盆地展布。胶东群变质岩,元古代重熔花岗岩及交代花岗岩内的NN向、NNE向相关剪切带中发育的蚀变糜棱岩化花岗岩带或断裂空间,是蚀变岩型金矿化及石英脉型金—银矿化的定位空间。E—W向深断裂旁侧的产于K1L1含炭岩系中先挤压后扭张的构造空间是新类型金矿产出空间。

【Abstract】 The researched region lies in Muping-Ji Me fault zone (NE strike),its fold is complex,its fracture is quite developed.The deep fractures of NE strike control the distribution of four granite bodies in the region; the deep fractureS of NE strike and EW strike control basin’s distribution of Mesozoic Era.Altered mylonite granite zone or fault iS developed in the shear zone of NE and NNE directions in metamorphic rock of Jiao Dong group. Anatexis granite of Proterozoic Era and metasomatism granite is a position fixing space of gold mineralization of altered type and gold-silver mineralization of quartz vein’In K,L, Carbonaceous elastic rock, early stress-late shear tension structural poSition near the deep fracture of EW direction is appearing place of a new type of gold deposits.

【基金】 国家黄金局资助
  • 【分类号】P618.510.5
  • 【被引频次】1
  • 【下载频次】78
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