摘要
西青岗坪金矿床位于豫西熊耳山康山—七里坪成矿带的中部,为典型的构造蚀变岩型金矿床。矿区开展了岩石、土壤地球化学测量、EH4及双频激电测深、可控源音频大地电磁法测量等综合找矿方法,验证工程效果显示:地球化学勘查对于缩小找矿范围、圈定找矿靶区具有非常重要的作用;EH4及双频激电测深对确定断裂带位置、延伸情况具有较好的效果,探测硫化物型金属矿床效果一般;可控源音频大地电磁法测量对指导矿床找矿效果较差。对矿床潜力进行了评价,F1、F6、F7矿脉深部仍具很大的找矿潜力,另外地表及钻孔地球化学工作显示矿区具有形成铅锌多金属矿床的潜力。
The Xiqinggangping gold deposits is located in the middle of the Kangshan-Qiliping metallogenic belt,which exists in Xiong′ershan of western Henan.It is a typical tectonic altered rock type gold deposits.Comprehensive prospecting methods such as rock and soil geochemical survey,EH4 and dual-frequency IP sounding and controllable source audio magnetotelluric survey have been carried out in the mining area.The verification of engineering results indicated that geochemical exploration played a very important role in narrowing the prospecting scope and delineating the prospecting target area.EH4 and dual-frequency IP sounding had a good effect on determining the location and extension of the fault zone,and the effect of detecting sulphide metal deposits was general.The controllable source audio frequency magnetotelluric survey was not effective in guiding the prospecting of ore deposits.The deposit potential was evaluated and there was still great prospecting potential in the deep part of F1,F6 and F7 vein.In addition,the geochemistry of surface and borehole indicated that the mining area had the potential to form lead-zinc polymetallic deposits.
作者
常嘉毅
梁新辉
刘燕青
张争辉
张怡静
田海涛
毛宁
CHANG Jiayi;LIANG Xinhui;LIU Yanqing;ZHANG Zhenghui;ZHANG Yijing;TIAN Haitao;MAO Ning(No.1 Institute of Geological & Mineral Resources Survey of Henan,Luoyang Henan 471023,China;Key Laboratory of Gold and Silver Polymetallic Ore-forming Series and Deep Prognosis of Henan Province,Luoyang Henan 471023,China)
出处
《有色金属（矿山部分）》
2020年第4期81-87,共7页
NONFERROUS METALS(Mining Section）
基金
河南省自然资源科研项目(2019-373-2)。
关键词
西青岗坪
金矿床
地球化学
激电测深
可控源
矿床潜力
Xiqinggangping
gold deposits
geochemistry
IP sounding
controllable source
deposits potential
