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1971年3月，智利政府宣布，包括埃尔罗梅拉尔（EIRomeral）矿在内的一些国有铁矿从1971年6月开始由CAP（Cia．deAcerodelPacifico）公司经营。在这以前，埃尔罗梅拉尔铁矿已有探明的Fe边界品位为30％的矿石储量5200万t，CAP公司接管后钻探又增加了1900万t，总共储量7100万t，预
In March 1971, the Chilean government announced that a number of state-owned iron ore mines, including the EIRomeral mine, had been operated by CAP (Cia. De Acero del Pacifico) since June 1971. Prior to this, the Erroemere iron ore mine had a proven ore reserves of 52% of the border grade of 30% Fe and the CAP company took over 19 million tons of additional drilling, with a total reserve of 71 million tons