Rio Tinto Targets Mid-2030s for Arizona Copper Mine, May Export Concentrate Due to US Smelting Costs

Published: Mar 25, 2026 13:39

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Rio Tinto expects Resolution Copper mine to open by mid-2030s, may export some concentrate
HOUSTON, March 24 (Reuters) – Rio Tinto aims to bring its Resolution Copper project in Arizona online by the mid-2030s, but may need to export some copper concentrate due to challenging economics for smelting in the U.S., a senior executive said on Tuesday. The mining giant recently gained control of key acreage for the project after a lengthy court battle.

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