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佩诺莱斯是墨西哥第二大矿业集团公司,目前经营有九座生产矿山和三项基建工程。奈卡矿该矿位于奇瓦瓦州北部,是一座多金属矿。矿石总储量321.1万吨,年产矿石73万吨,用分层充填法回采。矿石品位:金0.14克/吨、银141克/吨、铅3.88％、锌3.06％、铜0.35％和黑钨0.11％。选厂采用优先浮选法分别回收铅和锌精矿。铅精矿含有银、金和铜,将其运至托雷翁冶炼厂。锌精矿运至萨尔蒂约冶炼厂。
Penolles is Mexico’s second-largest mining group and currently operates nine mines and three infrastructure projects. Nicaragua mine is located in northern Chihuahua, is a polymetallic ore. The total reserves of 3.21 million tons of ore, with an annual output of 730,000 tons of ore, with layered filling method of mining. Ore grade: 0.14 g / t for gold, 141 g / t for silver, 3.88% for lead, 3.06% for zinc, 0.35% for copper and 0.11% for black tungsten. Flotation plants were selected priority flotation method were recovered lead and zinc concentrate. Lead concentrate contains silver, gold and copper and is shipped to the Torreon smelter. Zinc concentrate shipped to Saltillo smelter.