新疆霍什布拉克铅锌矿床地质特征及矿床成因分析  

The geological features and genesis analysis of the Huoshibulake lead⁃zinc deposit in Xinjiang

作　　者：丁德龙 DING De-long(The Fifth Geological Brigade of Shandong Geological and Mineral Exploration and Development Bureau,Tai′an 271000,Shandong,China)

机构地区：[1]山东省地质矿产勘查开发局第五地质大队,山东泰安271000

出　　处：《资源信息与工程》2020年第4期1-3,共3页Resource Information and Engineering

摘　　要：霍什布拉克铅锌矿床大地构造位置属于南天山晚古生代陆缘盆地中部,区域找矿潜力巨大,其成因争议较大,本文对其地质特征和矿床成因进行了分析。研究表明:矿体产状与围岩产状一致,呈似层状、板状产出,矿体赋存在上泥盆统坦盖塔尔组上段(D3t2)碳酸盐岩中;矿石矿物以方铅矿、闪锌矿为主,可见弱的硅化以及白云岩化;矿床成因与区域逆冲推覆构造系统密切相关,可能为南天山晚古生代碰撞造山过程中逆冲推覆导致盆地内部流体活化、运移形成的MVT矿床。The geotectonic position of the Huoshibulake lead⁃zinc deposit belongs to the middle of the late Paleozoic land edge basin of South Tianshan,where the potential of regional prospecting is huge.Due to its controversy about the origin,this paper analyzed the geological features and deposit genesis.The study showed that ore body yield is consistent with the peri⁃rock production,which is stratiform and plate⁃shaped output,and the ore body is present in carbonate rocks in the upper section of the mud basin Tangaitaer group(D3t2);The ore minerals are mainly galena and sphalerite,with visible weak silicification and dolomitization;The genesis of the deposits is closely related to the regional thrust⁃nappe system,which may be an MVT deposit formed by the activation and migration of fluids in the basin during the thrust⁃nappe in the collision orogenic process of the Late Paleozoic in Southern Tianshan.

关 键 词：铅锌矿床 地质特征 矿床成因 

分 类 号：P618[天文地球—矿床学]