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吉林夹皮沟成矿带金成矿作用与太古宇变质岩系、幔源岩浆活动、韧性剪切带密切相关 .成矿流体以地幔流体为主 ,成矿物质主要来源于地幔 ,地幔活动形成的韧性剪切带及其伴生的次一级断裂构造不仅是成矿流体的运移通道 ,而且是矿体就位的有利空间 .论述了新立屯 -马家店、大朝阳沟地区具有金矿成矿的基本地质条件——太古宇变质岩系广泛分布 ,幔源岩浆、韧性 -脆性构造活动强烈 ;金矿化体 (石英脉 )受韧性剪切带两侧的次一级断裂控制 ,伴随金矿化有黄铁矿化、黄铜矿化、方铅矿化及闪锌矿化等 ,金品位与金属硫化物含量呈正相关 ;与矿化关系密切的围岩蚀变是硅化 (-钾长石化 ) .金矿化、围岩蚀变特征与矿带内已知金矿床相似 .找矿研究表明 ,新立屯矿化点深部具有较强烈的主成矿期热液活动 ,且围岩条件、构造条件适宜金矿成矿作用 ;马家店矿点、大朝阳沟地区的矿化点同样具有较大的成矿潜力 .因此 ,夹皮沟成矿带南东部外围具有良好的成矿远景 .
The gold mineralization of the Jiapigou metallogenic belt in Jilin is closely related to Archean metamorphic rocks, mantle-derived magmatic activity and ductile shear zones. The metallogenetic fluids are mainly composed of mantle fluids, and the ore-forming materials are mainly derived from the mantle and mantle activity The ductile shear zone and its associated subfragmentary faults are not only the migration channels for ore-forming fluid but also the favorable space for ore body.In the paper, The basic geologic conditions of the ore-forming are that the Archean metamorphic rocks are widely distributed and the mantle magma and ductile-brittle tectonism are strong. The gold mineralization (quartz veins) are controlled by sub-order faults on both sides of the ductile shear zone Gold mineralization includes pyrite mineralization, chalcopyrite mineralization, galena mineralization and sphalerite mineralization. The gold grade has a positive correlation with the metal sulfide content. The wall rock alteration closely related to mineralization is silicification (-K Feldspar.) Gold mineralization, wall rock alteration characteristics similar to the known gold deposits within the ore zone.Exploration studies have shown that there is a strong hydrothermal activity during the main mineralization in the deep part of Xinlitun mineralization point, and the surrounding rock Conditions, tectonic conditions suitable for gold mineralization; Majiadian Mine The mineralization point of Datang Chaoyanggou area also has great potential for metallogenesis, therefore, the ore-forming prospect of the south eastern part of Jiapigou metallogenic belt has a good prospect.