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在研究新疆金山金矿床物质组分的过程中,通过对矿石矿物进行反光显微镜下观察与电子探针分析,发现了Cu-Zn合金矿物。与国内外已发现的Cu-Zn合金矿物相比,所发现的Cu-Zn合金矿物中Cu含量(81.35%～85.36%,平均83.75%)较高,Zn含量(6.08%～10.10%,平均为7.39%)较低,并含少量的Sn(4.13%～6.75%,平均为5.23%)、Ni(0.88%～1.38%,平均为1.05%),属于为α相Cu-Zn合金矿物。Cu-Zn合金矿物在自然界极为罕见,其生成条件也很独特。结合金山金矿成矿特征和形成条件,作者认为该Cu-Zn合金矿物是在热液成矿晚阶段(第Ⅳ阶段)强还原条件下的缺氧、缺硫环境中形成的。
In the course of studying the material composition of the Jinshan gold deposit in Xinjiang, the Cu-Zn alloy minerals were found through the observation of the ore minerals under the light microscope and electron probe analysis. The content of Cu in the Cu-Zn alloy minerals (81.35% -85.36%, average 83.75%) is higher than that of the Cu-Zn alloy minerals both at home and abroad. The content of Zn (6.08% -10.10% 7.39%) and a small amount of Sn (4.13% -6.75%, an average of 5.23%), Ni (0.88% -1.38%, an average of 1.05%) belongs to the α-phase Cu-Zn alloy mineral. Cu-Zn alloy minerals are extremely rare in nature, and their formation conditions are also unique. Combined with the metallogenic characteristics and formation conditions of the Jinshan gold deposit, the authors believe that the Cu-Zn alloy is formed in anoxic and sulfur-deficient environments during the late stage of hydrothermal mineralization (Stage IV) under strong reduction conditions.