天柱县主山冲—磨山金矿田北东段剪切带浅析  

Analyses on the North to East Shear Zone of Zhushanchong-Moshan Gold Ore Field in Tianzhu County

作　　者：许启松[1] 陶平[1,2] 刘坤[1] 陈玛丽[1] 葛佳杰[1] 

机构地区：[1]贵州大学,贵州贵阳550003 [2]贵州省地质调查院,贵州贵阳550004

出　　处：《贵州地质》2011年第1期18-23,共6页Guizhou Geology

基　　金：贵州省优秀科技教育人才省长专项资金项目[黔省专合字(2009)70号];贵州大学研究生创新基金基金编号(校研理工2010050)资助

摘　　要：本文通过对天柱县主山冲—磨山金矿田北东段剪切带构造进行野外剖面观测及镜下变形构造研究,初步认为所见构造岩类主要为碎裂岩系列的初碎裂岩、碎裂岩、超碎裂岩,仅个别地段(主山冲剖面南部、油麻坳剖面中部)见有糜棱岩系列的糜棱岩化岩石或初糜棱岩,得出结论:该剪切带构造主要为脆性剪切带,个别地段可称为脆韧性剪切带,而尚未见到韧性剪切带,至今所见金矿的容矿构造主要为脆韧性剪切带构造。In the paper,by the field profile observation and microscopic deformation structure study of north-east shear zone of Zhushanchong-Moshan gold ore field in Tianzhu county,it＇s thought that the founded rock mainly are primary cataclasite,cataclasite and ultracataclasite,the mylonite rock and the primary mylonitr of mylonite series is only founded in part areas,so the conclusion is this shear zone is a brittle shear zone,some is brittle-ductile shear zone,the ductile zone isn＇t founded.The known ore-bearing structure of the gold deposit is brittle-ductile shear zone structure.

关 键 词：金矿 剪切带 主山冲 天柱 

分 类 号：P618.51[天文地球—矿床学] P542.3[天文地球—地质学]