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青海五龙沟金矿田是东昆仑造山带中段最重要的金矿集中区,区内金矿床主要受岩金沟、萤石沟-红旗沟、三道梁-苦水泉3条含金构造带控制。研究表明,矿田内存在两期蚀变矿化作用,早期是受线性断裂构造带控制的与金矿化有关的蚀变作用,晚期是受多方向裂隙控制并与富含浸染状黄铁矿杂岩体有关的多金属矿化蚀变作用。晚期与含浸染状黄铁矿高侵位杂岩体有关的蚀变和多金属矿化吞食破坏了稍早形成的金矿床(体)。金矿找矿方向是沿线性断裂构造带,而且没有多方向裂隙穿插,特别是没有富含黄铁矿未变形花岗岩出露的部位,才有可能具有金矿化。
The Wulonggou gold ore field in Qinghai is the most important gold concentration area in the middle section of the East Kunlun orogen, and the gold deposits in the area are mainly dominated by three gold-bearing tectonic belts such as Yanjingou, Floshigou-Honggougou, Sandaoliang- control. The results show that there are two stages of alteration mineralization in the ore field, the early alteration related to gold mineralization controlled by the linear fault structure tectonic zone, and the late stage controlled by multi-directional fractures and interbedded with pyrite-like pyrite Complex metallogenic alteration in complex rock mass. Late alteration and polymetallic mineralization associated with highly invaded pyrrhotite emplacement complex swallowed the previously formed gold deposit (body). The gold prospecting direction is along the linear fault zone, and there is no multi-directional fracture interpenetration, especially if there is no exposed part of the pyrite-rich undeformed granite, it is possible to have gold mineralization.