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柴北缘“双口山式”铅银矿找矿模型的建立及地质意义
引用本文:杜文洋,乌仁,许荣科,郑有业,陈鑫,蔡鹏捷,卢锐,王红军,白杰,范贤斌,林成贵,方昌坦,孟和.柴北缘“双口山式”铅银矿找矿模型的建立及地质意义[J].矿产勘查,2016,7(6):914-922.
作者姓名:杜文洋  乌仁  许荣科  郑有业  陈鑫  蔡鹏捷  卢锐  王红军  白杰  范贤斌  林成贵  方昌坦  孟和
作者单位:中国地质大学武汉地质调查研究院,武汉 430074,青海省海西州科学技术协会,德令哈 817099,中国地质大学武汉地质调查研究院,武汉 430074,中国地质大学武汉地质调查研究院,武汉 430074;中国地质大学武汉资源学院,武汉 430074;中国地质大学北京地球科学与资源学院,北京 100083,中国地质大学武汉资源学院,武汉 430074,中国地质大学武汉地质调查研究院,武汉 430074,中国地质大学武汉地质调查研究院,武汉 430074,中国地质大学武汉资源学院,武汉 430074,中国地质大学武汉资源学院,武汉 430074,中国地质大学北京地球科学与资源学院,北京 100083,中国地质大学北京地球科学与资源学院,北京 100083,中国地质大学北京地球科学与资源学院,北京 100083,中国地质大学武汉地质调查研究院,武汉 430074
基金项目:中国地质调查局地质调查评价项目(编号:12120113032800)资助。
摘    要:在阐述双口山铅银矿成矿地质条件、岩(矿)石物性参数特征、地球物理场、地球化学特征的基础上,归纳总结了控矿地质因素和物化探找矿标志,从而建立了"双口山式"铅银矿的地质—地球物理—地球化学找矿模型。区域找矿模型为:滩间山群地层、韧性剪切带、高磁异常梯度带、显著的铅银元素地球化学异常。矿区银铅矿体找矿模型为:韧性剪切带内叠加的脆性断裂构造,宽振荡变化的高极化低电阻率带,铅、银、金原生晕异常,地表褐铁矿化带等叠合位置。

关 键 词:柴北缘  双口山式  铅银矿  找矿模型  找矿潜力
收稿时间:2013/2/24 0:00:00

Establishment of the prospecting model and geological implication of Shuangkoushan style lead-silver deposit in the northern edge of Qiadam basin
DU Wen-yang,WU Ren,XU Rong-ke,ZHENG You-ye,CHEN Xin,CAI Peng-jie,LU Rui,WANG Hong-jun,BAI Jie,FAN Xian-bin,LIN Cheng-gui,FANG Chang-tan and MENG He.Establishment of the prospecting model and geological implication of Shuangkoushan style lead-silver deposit in the northern edge of Qiadam basin[J].Mineral Exploration,2016,7(6):914-922.
Authors:DU Wen-yang  WU Ren  XU Rong-ke  ZHENG You-ye  CHEN Xin  CAI Peng-jie  LU Rui  WANG Hong-jun  BAI Jie  FAN Xian-bin  LIN Cheng-gui  FANG Chang-tan and MENG He
Affiliation:Institute of Geological Survey, China University of Geosciences, Wuhan 430074,Haixi Science and Technology Association of Qinghai Province, Delingha 817099,Institute of Geological Survey, China University of Geosciences, Wuhan 430074,Institute of Geological Survey, China University of Geosciences, Wuhan 430074;Faculty of Earth Resources, China University of Geosciences, Wuhan 430074;College of Earth Sciences and Mineral Resources, China University of Geosciences, Beijing 100083,Faculty of Earth Resources, China University of Geosciences, Wuhan 430074,Institute of Geological Survey, China University of Geosciences, Wuhan 430074,Institute of Geological Survey, China University of Geosciences, Wuhan 430074,Faculty of Earth Resources, China University of Geosciences, Wuhan 430074,Faculty of Earth Resources, China University of Geosciences, Wuhan 430074,Faculty of Earth Resources, China University of Geosciences, Wuhan 430074,College of Earth Sciences and Mineral Resources, China University of Geosciences, Beijing 100083,College of Earth Sciences and Mineral Resources, China University of Geosciences, Beijing 100083 and Institute of Geological Survey, China University of Geosciences, Wuhan 430074
Abstract:On the basis of studies on the metallogenic geological conditions, physical parameters of rocks (ore), geophysical field and geochemical characteristics of Shuangkoushan lead-zinc deposit, the ore-controlling factors and geophysical and geochemical prospecting criteria were summarized, and the geological-geochemical-geophysical exploration model was constructed for Shuangkoushan style lead-zinc deposit. The regional prospecting model includes Tanjianshan group strata, ductile shear zone, high magnetic gradient zone, noteworthy geochemical anomaly of lead and silver. The prospecting model of the silver-lead ore bodies in the deposit area includes brittle fracture structures superimposed in the ductile shear zone, wide vibrating shaped change zone of low resistivity and high polarizability, primary halo anomaly of lead, silver and gold elements, and superimposed position of surface brown limonitization zone.
Keywords:Northern Qaidam  Shuangkoushan style  lead-silver deposit  prospecting model  implication
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