雪峰山中段砂岩层控型金矿地质特征及控矿机理浅析  

GEOLOGICAL CHARACTERISTICS OF THE STRATA BOUND GOLD DEPOSITS IN MID XUEFENGSHAN MOUNTAIN AND ORE CONTROLLING MECHANISM

作　　者：刘湘勤 孟宪刚[2] 赵建光 肖竹松 

机构地区：[1]地矿部湖南地勘局407队 [2]中国地质科学院地质力学研究所

出　　处：《地质力学学报》1997年第3期59-67,共9页Journal of Geomechanics

基　　金：地矿部跨世纪工程(M10)分支项目"黔阳地区金;锑矿控矿条件及靶区优选研究"

摘　　要：雪峰山中段金矿类型众多，其中，近年来新发现的砂岩层控型金矿分布广、品位富、工业价值大。芙蓉溪群砖墙湾组（Ｐｔｆｚ）长石石英杂砂岩和震旦系长滩组（Ｚｃ）含砾长石石英杂砂岩均具明显的控金作用。砂岩层往往大面积发生矿化蚀变，矿体严格受砂岩层控制。在多种蚀变叠加及ＮＷ与ＮＥ向两组构造交汇部位往往形成“Ｔ”状富金矿柱。In the middle part of the Xuefengshan mountain exist many types of gold deposits,of which a new type—a strata bound gold deposits often widespread and of high grade has been recently discovered.The gold deposit is closely associated with the feldspathic quartz gray wacke of the Zhuanqiangwan Formation of the Furongxi Group (Pt fz ) and the pebble bearing feldspathic quartz gray wacke of the Sinian Changtan Formation( Zc ).“T” shaped high grad gold ores usually occur in the confluence of various types of alteration or where the NW trending structures join the NE trending structures.

关 键 词：雪峰山 金矿床 砂岩层 地质特征 控矿机理 

分 类 号：P618.510.2[天文地球—矿床学]