Latest Copper Mining News

Lake Resources made solid progress on the Exploitation Environmental Impact Assessment for its Kachi Lithium Brine Project, targeting approval in Q3 2026, while maintaining strong liquidity and strategic partnerships.

Horseshoe Metals reveals high-grade gold and silver assays that enhance the value of copper Direct Shipping Ore at Horseshoe Lights, unlocking new revenue potential amid strong copper prices and active offtake talks.

Greatland Resources delivered a record $260 million cash build in the March 2026 quarter, underpinned by 82,723 ounces of gold production at a $2,056/oz AISC and a 150% increase in Telfer's Mineral Resource Estimate to 8 million ounces gold.

Sarytogan Graphite Limited has upgraded its Central Graphite Zone resource, marking a key milestone with Measured classification and progressing its Definitive Feasibility Study. Meanwhile, copper exploration reveals promising anomalies, backed by fresh capital injections.

Hillgrove Resources (ASX:HGO) marked its first full year of underground copper production at Kanmantoo with 11,315 tonnes produced, returning to profitability and significantly boosting its Mineral Resources and Ore Reserves. The company is advancing growth projects and sustainability initiatives to underpin a production ramp-up in 2026.

Eagle Mountain Mining has formalised a joint venture with Nittetsu Mining for the Oracle Ridge copper project in Arizona, with Nittetsu committing US$20 million to advance exploration and development while managing the operation.

Antilles Gold has ramped up construction at its Nueva Sabana gold-copper mine in Cuba, with a $35 million funding package in place and production slated for early 2027. The company is also progressing pre-development and exploration activities on multiple Cuban concessions.

29Metals Limited (ASX:29M) swung to a $24 million net profit in 2025, powered by steady copper output at Golden Grove despite seismic disruptions, cost efficiencies, and key progress on growth projects including Gossan Valley and Capricorn Copper restart.

Antilles Gold has secured $2 million through a share placement to a Chinese investor, strengthening funding for the Nueva Sabana mine construction in Cuba. The capital injection increases the joint venture loan and highlights ongoing financial manoeuvres ahead of mine commissioning.

Freehill Mining’s aggregate materials sales surged in March, with quarterly sales up 60%, while the company prioritises mine planning and permitting for its Blanco y Negro copper-gold project.

AIC Mines reported a strong March quarter with Eloise copper production exceeding guidance at lower costs amid steady progress on its processing plant expansion and Jericho underground development.

Cobre Limited has kicked off a major 40,000-metre drilling campaign at its Sierra Atacama copper project in Chile, aiming to convert its existing NI 43-101 resource to JORC compliance and explore opportunities for a larger open-pit operation.