雷旺胜, 邓林燕, 高永卓. Geological Characteristics and Prospecting Direction of Qipangou Quartz-vein Type Tungsten Deposite in Qipangou, Zhen’an County[J]. 2019, (2): 53-57.
雷旺胜, 邓林燕, 高永卓. Geological Characteristics and Prospecting Direction of Qipangou Quartz-vein Type Tungsten Deposite in Qipangou, Zhen’an County[J]. 2019, (2): 53-57. DOI: 10.16056/j.1005-7676.2019.02.014.
镇安县棋盘沟石英脉型钨矿成矿地质特征与找矿方向
摘要
棋盘沟钨矿属与岩浆岩活动有关的热液型矿床。矿体受南北向张性断裂控制
分布于南北向石英脉中。含矿岩性为钾长石石英脉
石英、钾长石粒径普遍粗
有不同程度地碎裂现象。白钨矿多呈团粒状、脉状、透镜状、条带状等分布于钾长石石英脉中
围岩以奥陶系两岔口组二云方解石英片岩为主
变粒岩和大理岩次之。
Abstract
Qipangou tungsten deposit is a hydrothermal deposit related to magmatic activity. The ore body is controlled by the tension fault in the north-south direction and distributed in the quartz vein in the north-south direction. The mineral-bearing lithology is potassium feldspar quartz vein
quartz
potassium feldspar particle size is generally coarse
there are different degrees of fragmentation phenomenon. Scheelite is distributed in the quartz vein of potash feldspar in the form of granule
vein
lens and strip. The surrounding rock is dominated by ordovician eryuncalcite quartzite schist