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Private company

Resolution Copper

Joint venture for a copper mine in Arizona, US

Resolution Copper (RCM) is a joint venture owned by Rio Tinto and BHP formed to develop and operate an underground copper mine near Superior, Arizona, US. The project targets a deep-seated porphyry copper deposit located under the now inactive Magma Mine. Rio Tinto has reported an inferred resource of 1.624 billion tonnes containing 1.47 percent copper and 0.037 percent molybdenum at depths exceeding 1,300 metres (0.81 mi).2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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Superior AZ + Queen Crk Canyon
Photo: zeesstof from The Woodlands, TX, USA, CC BY-SA 2.0, via Wikimedia Commons3

Resolution Copper (RCM) is a joint venture owned by Rio Tinto and BHP formed to develop and operate an underground copper mine near Superior, Arizona, US. The project targets a deep-seated porphyry copper deposit located under the now inactive Magma Mine. Rio Tinto has reported an inferred resource of 1.624 billion tonnes containing 1.47 percent copper and 0.037 percent molybdenum at depths exceeding 1,300 metres (0.81 mi).2

Products and brands

  • molybdenum ore

Listed on Wikidata.1

Sources

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