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一、地质概况本区出露的地层为志留系浅-中变质的粘土页岩建造。主要岩石有千枚岩、绢云母石英片岩、绿泥石片岩等。矿体沿层理充填交代于石英片岩中,经研究确定是一中低温热液含铜黄铁矿型矿床。常见的金属矿物主要有黄铁矿、黄铜矿,其次为辉银矿及少量闪锌矿、方铅矿等。脉石矿物主要为绿泥石、绢云母、石英、方解石等。二、样品加工方法试验过去化探试行规范规定,原生晕样品要求按一定加工程序全部过筛,这样的加工方案在本区应用时存在两方面的问题:
First, the geological overview The exposed strata in this area are Silurian shallow - medium metamorphic clay shale construction. The main rocks are phyllite, sericite quartz schist, chlorite schist and so on. The ore body is filled and filled into the quartz schist along the bedding. It is confirmed by research that it is a medium and low temperature hydrothermal copper-bearing pyrite deposit. Common metal minerals are pyrite, chalcopyrite, followed by a silver mine and a small amount of sphalerite, galena and so on. Gangue minerals are mainly chlorite, sericite, quartz, calcite and so on. Second, the sample processing method test In the past, the norms and regulations of the pilot test, the primary halo samples required by all processing procedures, all the screening, processing scheme in this area there are two problems: