为了实现找矿突破,在河南省西峡县龙头矿区进行了金矿地质找矿工作.龙头矿区位于燕山期蒲塘花岗斑岩群、枣树垭花岗斑岩群边部,其金矿化蚀变带赋存于陡岭群大沟组地层中,赋矿围岩为斜长角闪片麻岩,受NW、NWW向断裂控制,成矿与花岗斑岩岩脉关系密切.该蚀变带规模较大,呈层状、似层状产出,品位较高.通过分析成矿条件,对比邻区金矿床成矿特征,以及工程验证情况,认为龙头矿区深部具有较好的找矿前景.
In order to achieve prospecting breakthroughs,prospecting work for gold mines is carried out in Longtou mining district,Xixia County,Henan Province.The Longtou mining district is located on the edge of the Yanshanian Putang granite porphyry group and Zaoshuya granite porphyry group,its gold mineralized alteration zone occurs in the strata of the Dagou Formation of Douling Group and the ore is deposited in amphibolite gneiss,which is controlled by NW and NWW fracture.The mineralization is closely related to granite porphyry.The alteration zone is relatively large in scale,occurs in layered and layered-like shape with high grade.By analyzing the metallogenic conditions,comparing the metallogenic characteristics of the adjacent gold deposits,and verification by engineering practice,it is concluded that the deep mining area in Longtou mining district has good prospecting potentials.
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