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该项目将令Centinela铜矿年产量翻一番，超过40万吨。该项目计划分两个阶段实施。
安托法加斯塔执行长Ivan Arriagada在声明中称，“有了环保部门的批准，我们将在未来几个月内完成工程研究。”
“研究结束后，希望在2018年向安托法加斯塔董事会提交该项目。最终批准将取决于所需的投资……以及营建资金是否到位。”
扩产项目将令Centinela铜矿寿命延长至2056年。
