Copper Mining News in Montana

Mogotes Metals Inc.
Mogotes Metals Inc.
MOG
Montana

Mogotes Metals Stacks Three Copper Porphyry Options

Mogotes Metals is advancing a portfolio of three copper-gold porphyry projects: Filo Sur (Argentina/Chile), Copper Cliffs (Montana, USA), and Beskauga (Kazakhstan). The company has secured a strategic earn-in with Rio Tinto at Copper Cliffs and is planning a massive 80,000m drilling campaign across its assets.

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Domestic Metals Corp.
Domestic Metals Corp.
DMCU:CA
Montana

Domestic Metals Corp. (DMCU:CA) Discusses High-Grade Copper and Gold Exploration Results and Multiple New Targets at Smart Creek Project Transcript

Domestic Metals Corp. discussed high-grade copper and gold exploration results and new targets at its Smart Creek project in Montana. The company highlighted its strategic partnership with Rio Tinto and its focus on domestic critical metal supply.

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Domestic Metals Corp
Domestic Metals Corp
DMCU
Montana

Domestic Metals starts 9,000m Smart Creek drill program – ICYMI

Domestic Metals Corp has commenced a fully funded 9,000-metre drill program at its Smart Creek project in Montana, targeting copper and precious metals. The program will focus on two areas: the Smart Creek eastern side and the Sunrise Mine western side, aiming to test high-grade mineralization and improve upon historical drilling results.

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Mogotes Metals
Mogotes Metals
MOG
Montana

Rio Tinto Optioned Mogotes a Montana Porphyry Before the Filo Sur Deal

Rio Tinto has closed a US$15 million placement in Mogotes Metals, securing a 5% interest and a 15-month exclusivity period over the Filo Sur project. The alliance leverages Rio Tinto's technical expertise across Mogotes' portfolio, which includes the Copper Cliffs porphyry in Montana and the Beskauga project in Kazakhstan.

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Domestic Metals Corp.
Domestic Metals Corp.
DMCU
Montana

Domestic Metals Commences Drill Program at Smart Creek Project, Montana

Domestic Metals Corp. has commenced a 9,000m diamond drill program at its Smart Creek Project in Montana, targeting porphyry copper and CRD mineralization. The program is fully funded and focuses on the Smart Creek and Sunrise Mine targets, with first assay results expected in 6-8 weeks.

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Domestic Metals Corp
Domestic Metals Corp
DMCU
Montana

Domestic Metals Commences Drill Program at Smart Creek Project, Montana

Domestic Metals Corp has commenced a 9,000m diamond drill program at its Smart Creek Project in Montana. The program targets porphyry copper and carbonate replacement deposits, with funding already secured from the company's treasury.

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Domestic Metals Corp.
Domestic Metals Corp.
DMCU
Montana

Domestic Metals to Commence Drill Program at Smart Creek Project, Montana

Domestic Metals Corp. is commencing a 9,000m diamond drill program at its Smart Creek Project in Montana in late August 2026. The program targets porphyry copper and carbonate replacement deposit (CRD) mineralization and is fully funded and permitted.

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Sandfire Resources America Inc.
Sandfire Resources America Inc.
SFR
Copper
Montana, USA

Sandfire Resources America Files Black Butte Copper Project Preliminary Feasibility Study

Sandfire Resources America has filed an independent Preliminary Feasibility Study (PFS) for its Black Butte Copper Project in Montana. The PFS is a NI 43-101 compliant technical report covering the Johnny Lee and Lowry deposits.

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Sandfire Resources America Inc.
Sandfire Resources America Inc.
SFR
Copper
Montana, United States

Sandfire Resources America Delivers Black Butte Copper PFS Upgrade with New Lowry Reserves, 12-Year Mine Life, High-Grade Production Profile and Stronger Project Economics

Sandfire Resources America has released an updated Preliminary Feasibility Study (PFS) for its Black Butte Copper Project, incorporating maiden reserves from the Lowry Deposit. This update extends the mine life by 50% to 12 years and significantly improves project economics, with combined Probable Mineral Reserves now totaling 14.3 million tonnes at 2.6% copper for 370,000 tonnes of contained copper. The PFS also highlights improved metallurgical recoveries for the Lowry Deposit and reduced operating costs, positioning the project as a high-grade underground copper development in the United States.

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Domestic Metals Corp.
Domestic Metals Corp.
DMCU
Montana

Domestic Metals to Host Live Investor Webinar

Domestic Metals Corp. has announced a live investor webinar for April 14, 2026, to provide an update on the Smart Creek copper-gold-silver project in Montana. The webinar will follow recent IP geophysical survey results and precede planned drilling in Q2 2026.

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