湘西南金矿成矿规律与成矿预测研究

METALLOGENTIC REGULARITIES AND PREDICTIONS OF AU DEPOSIT IN THE SOUTH WEST HUNAN PROVINCE

湘西南金矿主要有石英大(单)脉型和石英细(网)脉型两类。赋存于新元古界板溪群火山-沉积含金建造中。金矿化严格受脆-韧性剪切带控制。通过地质-遥感成矿特征揭示,表明该区金矿具有较大的找矿潜力。成矿类型除石英脉型金矿外,还应加强破碎带蚀变岩型金矿的找矿研究工作。

There are two types of gold deposits in the southwest Hunan province. One is a large （single） quartz vein -type, and the other is fine （network） quartz vein - type. Ore - bearing strata are Middle Proterozoic Banxi group volcano - sedimentary gold - bearing formation. Gold mineralization is strictly controlled by brittle - ductile shear zones. Metallogenic features of geological remote sensing show that the area is an idea prospecting target. It should be strengthened to prospect fracture zone altered rock type gold, besides quartz vein type gold.