Latest Copper Mining News

Marimaca Copper Corp. has released a Definitive Feasibility Study for its Marimaca Oxide Deposit in Chile, highlighting a robust 13-year mine life, low capital intensity, and strong financial returns. The study confirms a maiden ore reserve and positions the project as a competitive copper producer with advanced permitting and financing underway.

29Metals has successfully moved its application for a new tailings storage facility at Capricorn Copper into detailed assessment, marking a critical step toward restarting operations sustainably.

American West Metals has completed critical development and permitting milestones at its Storm Copper Project in Nunavut, Canada, advancing its Pre-Feasibility Study and revealing promising drilling results that hint at resource expansion.

MAC Copper Limited reported a 10% revenue decline but narrowed its net loss by 25% in HY25, achieving record daily copper production and advancing its acquisition by Harmony Gold.

AIC Mines Limited reported a robust FY25 with $189.6 million revenue and $15 million net profit, securing key contracts and funding for its Eloise expansion and Jericho development.

Tartana Minerals has secured an additional $0.5 million in non-dilutive financing with plans to refinance into convertible notes, pending shareholder approval at the upcoming AGM.

Peel Mining Limited has updated its mineral resource estimates, highlighting a robust 22.9 million tonnes at 2.20% copper equivalent across its South Cobar Project. The company is advancing pre-feasibility studies and exploration drilling at key deposits, positioning itself as a significant player in the Cobar Basin copper hub.

Capstone Copper delivered record Q2 2025 copper production and adjusted EBITDA, underpinned by strong sulphide output and a key environmental permit for its Mantoverde Optimized project. The company reaffirmed full-year guidance amid ongoing growth initiatives and a strengthened balance sheet.

MAC Copper Limited shareholders will vote on a court-sanctioned scheme of arrangement proposing Harmony Gold’s acquisition at a 32% premium. The transaction, valued at over $1 billion, requires shareholder and regulatory approvals before completion.

Caravel Minerals has secured a $15 million non-dilutive loan facility to fund the Definitive Feasibility Study for its Caravel Copper Project, alongside finalising a simplified process flowsheet and initiating key engineering tenders.

Sandfire Resources reported a 12% rise in copper equivalent production for FY25, narrowly missing guidance due to severe weather and power outages, while slashing net debt by $273 million. The company projects further growth in FY26 despite expected cost pressures.

MAC Copper Limited delivered a standout June quarter with record daily copper output and sharply reduced costs, while advancing its strategic acquisition by Harmony Gold.