湖南通道地区金矿床中黄铁矿成分标型特征及对矿床成因的启示
高华,谢玉华,杨亮,张哲,柯新星,刘晓敏,罗建镖,刘琦,刘继顺,王智琳,孔华

Composition Typomorphic Characteristics of Pyrite and Its Genetic Implication for Gold Deposits in Tongdao County,Hunan Province
Hua GAO,Yuhua XIE,Liang YANG,Zhe ZHANG,Xinxing KE,Xiaomin LIU,Jianbiao LUO,Qi LIU,Jishun LIU,Zhilin WANG,Hua KONG
图4 通道地区金矿床含矿石英脉野外特征
(a)金坑V6脉,浅变质板岩(①)中硅化蚀变破碎带(290°~320°∠60°~80°),矿体边界有褪色化带(②),石英脉(Qtz)破碎,带内硅化强烈,见砂糖状石英颗粒(③);(b)金坑V1脉,陡倾岩壁上见多组分支复合含毒砂等硫化物石英脉;(c)黄垢矿区LD4,洞壁见蚀变破碎带石英脉(产状180°∠25°);(d)黄垢矿区BT4,岩壁上见多条含硫化物石英细脉(300°∠65°),表面具褐铁矿化;(e)茶溪矿区,缓倾含硫化物石英脉(270°∠20°);(f)茶溪矿区V7-2矿脉,陡倾石英脉(200°∠78°),有羽状分叉支脉,含绿泥石和硫化物
Fig.4 Field characteristics of ore-bearing quartz veins in the gold deposit in Tongdao area