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。
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.
作者
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
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 MENG He(Institute of Geological Survey, China University of Geosciences, Wuhan 430074 Haixi Science and Technology Association of Qinghai Province, Delingha 817099 Faculty of Earth Resources, China University of Geosciences, Wuhan 430074 College of Earth Sciences and Mineral Resources, China University of Geosciences, Belting 100083)
出处
《矿产勘查》
2016年第6期914-922,共9页
Mineral Exploration
基金
中国地质调查局地质调查评价项目(编号:12120113032800)资助
关键词
柴北缘
双口山式
铅银矿
找矿模型
找矿潜力
Northern Qaidam
Shuangkoushan style
lead-silver deposit
prospecting model
implication
