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恩昌加铜矿公司1971年3月至1972年3月产精铜401,283吨。其中钦戈拉选矿厂处理了8,477,797吨矿石(铜品位3.54％),回收率达83.74％(合铜金属251,200吨);康科拉选矿厂处理了1,417,397吨矿石(铜品位3.37％),回收率达77.49％(合铜37,008吨);罗卡纳选矿厂处理了5,574,207吨矿石(铜品位1.87％、钴0.12％),铜精矿(品位35.26％)的铜回收率达92.33％,钴精矿(含铜6.81％)的钴回收率为37.03％,计产铜98,985吨。
Enchang plus copper company from March 1971 to March 1972 produced 401,283 tons of refined copper. Among them, the Chingola concentrator handled 8,477,797 tonnes of ore (copper grade 3.54%) with a recovery of 83.74% (251,200 tonnes of copper) and Concordia beneficially processed 1,417,397 tonnes of ore (3.37% copper grade). The recovery Up to 77.49% (37,008 tons of copper); 5,247,207 tons of ore (copper grade 1.87%, cobalt 0.12%), copper concentrate (grade 35.26%), copper recovery of 92.33% (6.81% copper) cobalt recovery of 37.03%, total production of 98,985 tons of copper.