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北美、中美、南美和日本的88个浅成热液石英—冰长石型贵金属和贱金属矿区的矿石品位、矿床储量和基底岩石之间的关系的研究结果表明,矿脉下基底岩石的类型可以预测矿床的品位和储量。浅成热液矿化区的基底岩石为岩盐、蒸发岩或固闭有海水的岩石时,矿床储量的平均值(开采量和储量)为1.4百万吨矿石量,品位值为 Au1.5克/吨、Ag130克/吨、Pb2.5%,Zn1.7%、Cu0.16%。基底岩石为沉积岩的矿区储量平均值为0.77百万吨矿石量,品位平均值为:Au7.5克/吨、Ag110克/吨、Za<0.025%、Cu<0.005%、Pb<0.001%。基底岩石为火成岩的矿区储量平均值为0.3百万吨矿石量,品位平均值为:Au5.9克/吨、Ag38克/吨、Zn<0.25%、Cu<0.002%。Pb<0.003%。研究结果表明基底岩石对浅成热液石英—冰长石型矿床的矿脉组分具有影响。
The results of the study on the relationship between ore grade, deposit reserve and basement rock of 88 epithermal quartz-ice feldspathic precious and base metal deposits in North, Central, South America and Japan show that the type of basement rock Can predict the grade and reserves of the deposit. When basement rocks in the Shallow hydrothermal mineralization are rock salt, evaporite or seawater-locked rocks, the average reserves (reserves and reserves) of the deposits are 1.4 million tonnes of ore with a grade of Au 1.5 g / Ton, Ag130 g / ton, Pb2.5%, Zn1.7%, Cu0.16%. The average ore reserves in basement rocks for sedimentary rocks are 0.77 million tons of ore. The average grade is Au 7.5 g / t, Ag 110 g / t, Za <0.025%, Cu <0.005% and Pb <0.001%. The reserves of base rock igneous rocks are 0.3 million tons of ore. The average grade is Au 5.9 g / t, Ag 38 g / t, Zn <0.25% and Cu <0.002%. Pb <0.003%. The results show that the basement rocks have an impact on the composition of the veins in the epithermal-feldspar deposits.