贵州纳雍水东—织金五指山地区铅锌“三位一体”成矿特征及找矿意义
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摘要
黔西北纳雍水东—织金五指山地区是川、滇、黔铅锌成矿带的组成部分,其铅锌矿体主要受构造控制,成矿作用与断裂密切相关。典型矿床研究表明,该区铅锌矿体主要产于断裂及角砾状白云岩附近,成矿结构面主要为岩性界面和构造组合结构面,通过对那雍枝铅锌矿和水东洗米沟铅锌矿的研究,建立纳雍—织金一带的成矿模型,认为该区铅锌矿主要受NE向断裂控制,矿体主要赋集于寒武系清虚洞组白云岩及震旦系灯影组白云岩之中,其中灯影组找矿潜力巨大。
Nayongshuidong-Zhijin Wuzhishan area in Guizhouis an important component in the part of Sichuan,Yunnan and Guizhou lead-zinc metallogenic belt.The lead-zinc depositsaremainly controlled by structures.Mineralization and fracture are closely related.The study of typical deposits shows that the lead-zinc deposits in the area are mainly located the nearbyarea of faults and breccia dolomites. The main structural planes are lithologic interfaces and structural combination planes.This paper established the metallogenic model of Nayong-Zhijin area by the study of geological characteristics of lead-zinc deposit in Nayongzhi and Ximigou,Shuidong. The main ore controlling structure is NE faultsand ore bodies mainly enriched in Cambrian Qingxudong formation and dolomite of the Upper Sinian Dengying Formation.The light shadow group has great potential for prospecting.
Nayongshuidong-Zhijin Wuzhishan area in Guizhouis an important component in the part of Sichuan,Yunnan and Guizhou lead-zinc metallogenic belt.The lead-zinc depositsaremainly controlled by structures.Mineralization and fracture are closely related.The study of typical deposits shows that the lead-zinc deposits in the area are mainly located the nearbyarea of faults and breccia dolomites. The main structural planes are lithologic interfaces and structural combination planes.This paper established the metallogenic model of Nayong-Zhijin area by the study of geological characteristics of lead-zinc deposit in Nayongzhi and Ximigou,Shuidong. The main ore controlling structure is NE faultsand ore bodies mainly enriched in Cambrian Qingxudong formation and dolomite of the Upper Sinian Dengying Formation.The light shadow group has great potential for prospecting.
引文
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Wibberley C,Yielding G,Di T G.2008.Recent advances in the understanding of fault zone internal structure:a review[J].Geological Society London Special Publications,299(1):5-34.
陈国勇,王亮,范玉梅,等.2015.贵州五指山铅锌矿田深部找矿远景分析[J].地质与勘探,51(05):859-869.
陈伟,孔志岗,刘凤祥,等.2017.贵州那雍枝铅锌矿床地质、地球化学及矿床成因[J].地质学报,91(06):1269-1284.
黄林,赵征,刘金海,等.2006.黔西北五指山背斜矿集区铅锌矿成矿远景浅析[J].贵州地质,23(3):203-205,210.
金灿海,李坤,黄林,等.2015.黔西北那雍枝铅锌矿硫同位素组成特征及成矿物质来源[J],矿物岩石,35(3):81-88.
金中国,周家喜,黄智龙,等.2016.贵州普定那雍枝铅锌矿矿床成因:S和原位Pb同位素证据[J].岩石学报,32(11):3441-3455.
陆朝武.2011.黔西北五指山矿集区金坡大型铅锌矿矿床成因及成矿模式[D].桂林:桂林理工大学.
彭松,金中国,林贵生,等.2016.贵州五指山铅锌矿区控矿因素及成矿模式研究---以那雍枝矿床为例[J].矿产勘查,7(3):463-470.
谭华,王国荣,兰安平.2012.贵州省织金县杜家桥铅锌矿床地质特征及成矿规律浅析[J].贵州地质,29(3):169-172.
谭华.2007.贵州五指山地区铅锌矿地质特征及找矿远景[J].贵州地质,24(4):253-257
杨晓飞.2013.贵州省五指山地区铅锌矿床地质特征及成因初探[J].矿物学报,33(S2):527-528.
叶天竺.2013.矿床模型综合地质信息预测技术方法理论框架[J].吉林大学学报(地球科学版),43(04):1053-1072.
叶天竺.2014.勘查区找矿预测理论与方法[M].北京:地质出版社,12.
翟裕生,林新多.1993.矿田构造学[M].北京:地质出版社,1-212.
朱路艳,苏文超,沈能平,等.2016.黔西北地区铅锌矿床流体包裹体与硫同位素地球化学研究[J].岩石学报,32(11):3431-3440.