江西大坪金矿成矿特征及找矿方向  

Metallogenic characteristics and prospecting direction of Daping gold deposit in Jiangxi

作　　者：王国龙 WANG Guolong(No.4 Geological Party of Jiangxi Nonferrous Metals Geological Exploration Bureau,Jingdezhen 333001,Jiangxi,China)

机构地区：[1]江西有色地质勘查四队,江西景德镇333001

出　　处：《矿产与地质》2018年第6期996-1002,1010,共8页Mineral Resources and Geology

摘　　要：大坪金矿是近年在江西东部灵山铌钽矿聚集区,通过研究毗邻的金山金矿田成矿地质特征,采用地物化遥等综合手段方法,目前发现的唯一金矿床。通过研究毗邻的金山金矿田成矿特征,对比大坪金矿区的地层、构造、岩浆岩、蚀变及金矿化特征,对大坪金矿床地质特征进行总结研究,认为该矿床产于近EW向区域动力变质带内,矿体定位于次级断裂构造和密集裂隙带发育的变质安山岩和碎裂蚀变安山岩中,蚀变类型有硅化、长石化、黄铁矿化、碳酸盐化、绢云母化、绿泥石化等,矿床类型属蚀变岩型金矿。沿区域动力变质带走向东西两端和深部有较大的找矿前景。Daping gold deposit is currently the only gold deposit discovered in the Lingshan Nb-Ta deposit cluster.This gold mine was found by comprehensive method of geophysical exploration,geochemical exploration and remote on the basis of studying on the metallogenic characteristics of the adjacent Jinshan gold ore field.This study,by means of studying on metallogenic characteristics of the adjacent Jinshan gold ore field and comparing the stratigraphic,tectonic,magmatic,alteration and gold mineralization characteristics of the Daping gold deposit,summarized the geological characteristics of the Daping gold deposit.The result of the study indicated that the gold deposit occurs in the near EW trending regional dynamic metamorphism belt and the orebodies are located in the altered andesite and cataclastic altered andesite developed by sub-faulted structure and dense fissure zone.The mineralized alterations include silicification,feldspathization,pyritization,carbonatization,sericitization and chloritization,etc.The deposit type belong to altered rock type gold deposit.There is a large prospecting prospect along the regional dynamic metamorphic belt towards the east and west ends and deep.

关 键 词：蚀变岩型金矿 成矿特征 找矿方向 大坪 江西 

分 类 号：P618.51[天文地球—矿床学]