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萨热克铜矿位于新疆乌恰县境内,是我国目前最大规模的砂砾岩容矿的层状铜矿床,主要赋矿地层为上侏罗统库孜贡苏组(J3k)的砾岩及砂砾岩,具有“辉铜矿-斑铜矿-黄铜矿-黄铁矿”的矿化分带,发育完整的杂色地层组合,与典型砂岩铜矿特征相似。通过系统的野外和镜下观察,总结了该矿床矿石的组构特征,结合矿物组合、结构构造、交插关系等特征,将该矿床划分为3个成矿期次,分别为沉积成矿期、热液改造期及表生富集期,初步认为该矿床为与盆地卤水活动有关的低温热液矿床。
Located at the site of Wuqia County, Xinjiang, the Sagacity copper deposit is the largest sandstone conglomerate-hosted layered copper deposit in China. The main ore-bearing strata are conglomerate of the Upper Jurassic Juzi Gusu Formation (J3k) The conglomerate, with the mineralization zoning of “chalcopyrite-bornite-chalcopyrite-pyrite”, developed a complete variegated stratum assemblage similar to the typical sandstone copper deposit. Through the systematic field and microscopic observation, the ore-forming characteristics of this deposit are summarized. Combined with the features of mineral assemblage, structural structure and interlacing, the deposit is divided into three metallogenic stages, namely sedimentary metallogenic stage Hydrothermal alteration period and epigenetic enrichment period. The deposit is considered as a low-temperature hydrothermal deposit related to brine activity in the basin.