黄铁矿标型特征对胶东三山岛金矿深部矿化的启示
陈玉民,张华锋,张聪颖,胡换龙,王昭坤,曾庆栋,范宏瑞

Pyrite Typomorphic Characteristics:Implication for Deep Gold Mineralization in the Sanshandao Gold Deposit,Jiaodong Peninsula
Yumin CHEN,Huafeng ZHANG,Congying ZHANG,Huanlong HU,Zhaokun WANG,Qingdong ZENG,Hongrui FAN
表1 三山岛金矿ZK96-6钻孔不同成矿阶段黄铁矿特征
Table 1 Characteristics of pyrite in different metallogenic stages of the ZK96-6 drill in the Sanshandao gold deposit
成矿阶段矿石颜色发育程度黄铁矿分布状态共生矿物黄铁矿形态粒径大小/mmAu含量/(×10-6
黄铁绢英岩阶段灰白色强烈发育呈星点状、细脉状、角砾状、带状绢云母、黄铁矿立方体自形晶0.05~2.000.4~1.4
石英—金—黄铁矿阶段灰白色中等发育呈星点状、细脉状、角砾状、带状黄铁矿、石英椭圆他形晶、角砾状晶体、立方体自形晶0.02~3.001.3~18.0
石英—金—多金属硫化物阶段烟灰色发育碎裂状黄铁矿、方铅矿、硫铋铅矿碎裂状立方体0.01~0.201.8~3.4
黄铁矿—碳酸盐阶段白色发育黄铁矿较少,呈星点状碳酸盐、石英、少量黄铁矿立方体0.05~0.500.05~0.10