Latest Copper Mining News

Cobre Limited’s Chilean subsidiary has secured a majority stake and operational control of the Sierra Atacama Copper Project, setting the stage for potential full ownership through staged acquisitions and strategic governance changes.

Neometals has confirmed primary copper sulphide mineralisation beneath the historic Rinaldi copper pit, with early assays revealing promising copper grades. The company is advancing geophysical surveys to better define the mineralised system.

Alara Resources has announced that its Al Wash-hi Majaza Mine and concentrator in Oman are producing consistently above nameplate capacity, marking a significant operational milestone despite shipment delays.

Hillgrove Resources has reported significant new copper-gold mineralisation at its Kanmantoo Copper Mine, with drilling confirming extensions at Nugent and Nugent East. Development progress and positive cash flow underpin ambitious production targets.

Orion Minerals has completed the final payment to secure full control of the Okiep Copper Project in South Africa, marking a key milestone in its growth strategy. Exploration efforts are underway to meet upcoming expenditure commitments.

Catalina Resources has secured a significant silver portfolio in Western Australia by acquiring Spinifex Silver Pty Ltd, adding a district-scale opportunity alongside its existing gold and copper assets.

Cygnus Metals has successfully raised A$25 million through a well-supported placement to fund resource expansion and technical studies at its Chibougamau Copper-Gold Project in Canada.

Sunstone Metals has significantly expanded the surface footprint of gold-copper mineralisation at its Porotillo discovery within the Bramaderos Project, reporting a 462m trench averaging 0.55 g/t AuEq. This milestone supports a large exploration target and advances drilling efforts as a scoping study progresses.

Heavy Minerals Limited has defined a substantial garnet exploration target at the Kanmantoo site in South Australia, estimating up to 50 million tonnes grading 17-25% garnet. The company is advancing metallurgical testing and funding discussions, positioning for a near-term investment decision.

Celsius Resources' subsidiary has formally notified its partner of plans to relinquish a 60% stake in Makilala Mining Company, with regulatory compliance and shareholder engagement underway.

Diablo Resources has significantly increased its Star Range Silver-Antimony Project footprint in Utah by acquiring an additional 646.5 acres adjacent to the South Star Prospect, enhancing geological continuity and exploration potential.

Austral Resources Australia Ltd has swung from a $22.6 million loss in 2024 to an $11.9 million profit in 2025, driven by strategic asset sales and acquisitions. The company is now poised to accelerate copper production with a major capital raise and new mining leases.