陕西汉中李洞沟金矿床成矿规律及成矿模式探讨 |
王小刚, 宇峰, 贾飞, 刘松柏, 邵永勇 |
Discussion on Metallogenic Regularity and Metallogenic Model of Lidonggou Gold Deposit in Hanzhong,Shaanxi Province |
Xiaogang WANG, Feng YU, Fei JIA, Songbai LIU, Yongyong SHAO |
图4 李洞沟金矿矿石镜下特征 Qz-石英;Ab-钠长石;Ms-白云母;Py-黄铁矿;Cp-黄铜矿;Sp-闪锌矿;Mot-辉钼矿;Lm-褐铁矿;Mal-孔雀石;Cov-铜蓝;(a)~(c)自然金以他形粒状分布在褐铁矿孔洞及矿石裂隙中;(d)碎裂状黄铁矿;(e)团块状黄铁矿沿网脉状裂隙被褐铁矿交代;(f)K2-1矿体矿石中褐铁矿包裹的闪锌矿;(g)K2-2矿体矿石中黄铁矿颗粒内出溶的黄铜矿;(h)K6-1矿体矿石中辉钼矿呈鳞片状和集合体状分布;(i)K2-2矿体矿石中孔雀石和铜蓝沿石英裂隙充填;(j)、(k)后期脉体沿早期石英裂隙充填形成网脉状;(l)孔雀石细脉沿石英裂隙充填 |
Fig.4 Microscopic characteristics of ore in Lidonggou gold mine |