Copper Mining News in Arizona

Eagle Mountain Mining Limited
Eagle Mountain Mining Limited
EM2
Arizona, USA

EM2: 2026 Annual Report

Eagle Mountain Mining Limited's 2026 Annual Report highlights the successful re-acquisition of its Oracle Ridge Copper Project and the formation of a significant joint venture with Nittetsu Mining Co. of Japan. Nittetsu will sole-fund US$16.5 million in exploration costs, with Eagle Mountain free-carried, and the company also restructured its debt and completed a capital raise. The Oracle Ridge project includes a historical Mineral Resource Estimate of 28.2 Mt at 1.35% Cu, 11.06 g/t Ag, and 0.16 g/t Au.

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Hudbay Minerals Inc.
Hudbay Minerals Inc.
HBM
Arizona

Hudbay Minerals and Mitsubishi Approve Copper World Project Construction; Advancing Next Major U.S. Copper Mine Towards First Production in 2029

Hudbay Minerals and Mitsubishi Corporation have approved the final investment decision for the Copper World project in Arizona, targeting first copper production in the second half of 2029. A Definitive Feasibility Study (DFS) outlines robust economics, including an after-tax NPV (8%) of $1.2 billion and an IRR of 17% for the Base Case, with an Extension Case showing an NPV of $2.5 billion and an IRR of 19%. The project is expected to significantly increase Hudbay's annual copper production and is supported by a strategic funding plan and updated mineral reserve and resource estimates.

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Almadex Minerals Ltd.
Almadex Minerals Ltd.
DEX.V
Arizona, USA

Almadex Expands Claim Block at New Hope, Provides Exploration Update

Almadex has expanded its New Hope copper-gold porphyry project in Arizona through additional staking and geophysical surveys that extend the IP anomaly. The company also reviewed previous 2026 drilling results which confirmed a large porphyry alteration system with trace copper and molybdenum mineralization.

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Hudbay Minerals Inc.
Hudbay Minerals Inc.
HBM
Arizona

Hudbay, Mitsubishi approve Copper World construction

Hudbay Minerals and Mitsubishi Corp have formally approved the final investment decision to construct the Copper World Project in Arizona following a successful Definitive Feasibility Study. The project is expected to be one of the largest open-pit copper mines in the U.S., with first production targeted for the second half of 2029.

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Hudbay Minerals
Hudbay Minerals
HBM
Copper
Arizona

Hudbay, Mitsubishi approve Copper World construction

Hudbay Minerals and Mitsubishi have approved the $2.1 billion Copper World project in Arizona following a definitive feasibility study. While construction costs have risen by 59% compared to 2023 estimates, the project is expected to begin production in late 2029 and significantly boost Hudbay's copper output.

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Hudbay Minerals
Hudbay Minerals
HBM
Copper
Arizona

Hudbay, Mitsubishi OK $2.1B Copper World project

Hudbay Minerals and Mitsubishi have approved the $2.1 billion Copper World project in Arizona following a definitive feasibility study. While construction costs have risen by 59% since the 2023 prefeasibility study, the project is expected to begin production in late 2029 and significantly boost Hudbay's copper output.

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Almadex Minerals Ltd.
Almadex Minerals Ltd.
DEX
Arizona, USA

Almadex Minerals Expands Claim Block at New Hope, Provides Exploration Update

Almadex Minerals has expanded its New Hope copper-gold porphyry project in Arizona through additional staking and an expanded IP geophysical anomaly. The company also reviewed previous 2026 drilling results which confirmed a large porphyry alteration system and completed a 980m hole at its King target in Colorado.

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Hudbay Minerals Inc.
Hudbay Minerals Inc.
HBM.TO
Arizona

Hudbay and Mitsubishi Approve Copper World Project Construction; Advancing Next Major U.S. Copper Mine Towards First Production in 2029

Hudbay Minerals Inc. and Mitsubishi Corporation have approved the final investment decision for the Copper World project in Arizona, following a robust Definitive Feasibility Study (DFS). The project targets first copper production in the second half of 2029 and is expected to double Hudbay's annual copper production to approximately 250,000 tonnes. The DFS outlines a 15-year mine life with strong economics, including an after-tax NPV(8%) of $1.2 billion and an IRR of 17% for the Base Case, and a potential 37-year mine life in an Extension Case.

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Hudbay Minerals Inc.
Hudbay Minerals Inc.
HBM
Arizona

Hudbay and Mitsubishi Approve Copper World Project Construction; Advancing Next Major U.S. Copper Mine Towards First Production in 2029

Hudbay and Mitsubishi have approved the construction of the Copper World project in Arizona, based on a Definitive Feasibility Study (DFS). The project, a 70/30 joint venture, targets first copper production in the second half of 2029. The DFS outlines robust economics, including a Base Case after-tax NPV(8%) of $1.2 billion and an IRR of 16.8%, with an Extension Case showing an NPV(8%) of $2.5 billion and an IRR of 18.8% at a long-term copper price of $5.00/lb. The project is expected to double Hudbay's annual copper production, with initial capital of $2.07 billion prudently funded through a combination of Mitsubishi's equity investment, a precious metals stream with Wheaton, and anticipated project-level debt.

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