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费尔普斯·道奇公司的奥霍斯·德尔萨拉多选矿厂(MINOSAL)位于智利科皮亚波东南方20公里处。该选矿厂选别的铜矿石是由桑托斯和雷斯瓜多矿提供的。其生产能力为4200t/d。1982年,费尔普斯·道奇公司获得了奥霍斯·德尔萨拉多选矿厂的大部分股份,以便对选厂的潜力进行探测。当时,选矿厂规模小且设备落后,生产能力为674t/d。在购买选矿厂时,大部分的矿石来源于桑托断和雷斯瓜多矿。同时,选厂还处理购买来的金、银、铜矿石。在铜交易的关键时刻,铜的价格下跌到将近每磅50美分。1985年,费尔普斯·道奇公司购买了奥霍斯·德尔萨拉多选矿厂余下的股份,从而获得了它的全部财产。
The Phelps Dodge MINOSAL concentrator is located 20 km southeast of Coppia in Chile. The beneficiation of this concentrator is provided by Santos and Lesquets. Its production capacity of 4200t / d. In 1982, Phelps Dodge acquired the majority stake in the Ojos del Salado concentrator in order to explore the potential of the mill. At that time, the beneficiation plant was small and the equipment was backward with a production capacity of 674 t / d. At the time of purchase of the concentrator, most of the ore was sourced from the Santo and Rezgado mines. At the same time, the election plant also dealt with the purchase of gold, silver and copper ore. At the crucial moment of copper trading, the price of copper dropped to nearly 50 cents a pound. In 1985, Phelps Dodge acquired the entire share of the Ojos del Salado concentrator and acquired all of its assets.