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大兴安岭东坡甘珠尔庙银多金属矿地质特征及找矿方向
A Tentative Study of the Geology and Ore Potentiality of Ganzhuermiao Ag Polymetallic Deposit,East-Side Hill of Daxinganling,China
【摘要】 甘珠尔庙银多金属矿区地处内蒙大兴安岭东坡南段,位于黄岗梁—甘珠尔庙铜多金属成矿带北东部、白音诺—甘珠尔庙银铜多金属成矿亚带的北东段。矿体具有品位高而不均,厚度相对较薄而密集分布的特点,构造及其节理裂隙控矿作用明显,矿体视电阻率和视充电率异常表现为低阻高极化组合特征,推测密集蚀变脉群的深部可能存在与本区成矿有关的隐伏岩体,在进一步找矿工作中应加以重视。同时,在各矿化脉体的深部交汇部位是找矿的最有利部位,在今后找矿中应加强该部位的钻探验证工作。
【Abstract】 Ag poly-metallic deposit of Ganzhuermiao is situated on the South segment of east-side hill of Daxinganling.It lies in the northeastern Huanggangliang-Ganzhuermiao’s metallogenic belt and Baiyinnuo-Ganzhuermiao’s Ag-Cu metallogenic belt.Ore body has the following characteristics: The tenor is high but uneven;the thickness is opposite thinner but distributes intensively.The structure and subsidiary joints and fissures showing parallel clusters in occurrence control the metallogenesis to a great extent.The composite geophysical anomalies induced by lodes are characterized by both low resistivity and high polarizability with little disturbances.In addition,a concealed pluton associated with metallogenesis may be occurred in depth in the dense lodes.Furthermore,much attention should be given to later exploration.At the same time,the deep department of vein body to hand over to remit part in each mineral is the most beneficial part for seeking a mineral.The validity of drilling maybe strengthened in the future.
【Key words】 Ag poly-metallic deposit; geological characteristics; ore potentiality,Ganzhuermiao;
- 【文献出处】 矿物学报 ,Acta Mineralogica Sinica , 编辑部邮箱 ,2011年03期
- 【分类号】P618.2
- 【被引频次】3
- 【下载频次】180