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 |