Latest Ore Reserve Estimates News

29Metals Limited has reported promising high-grade copper, zinc, and gold resource extension drilling results at its Golden Grove mine, revealing potential for significant mine life extensions and a large mineralised system at depth.

Hillgrove Resources has reported a substantial increase in its 2025 Mineral Resource and Ore Reserve Estimates at the Kanmantoo Copper Mine, with a 43% rise in reserve tonnes and a 33% increase in contained copper metal, significantly extending the mine's operational life.

Ioneer Ltd has enhanced the economics of its Rhyolite Ridge Lithium-Boron Project by cutting leach retention time, boosting lithium and boron production and improving key financial metrics with minimal capital cost increase.

Metals X reported a 16.6% decline in tin production at its Renison operation for Q3 2025 due to equipment and processing challenges, while cash reserves rose to $279.5 million. The company continues advancing its Rentails project and maintains strategic investments.

Sarytogan Graphite Limited has secured major engineering contracts for its Definitive Feasibility Study, setting the stage for construction in 2027. The project’s strategic importance under the EU Critical Raw Materials Act highlights its role in the battery minerals supply chain.

Aeris Resources has announced a maiden open pit Probable Ore Reserve for its Constellation Project in New South Wales, underpinning a 5-to-7-year mine life and leveraging existing Tritton processing infrastructure.

Ardea Resources reports strong progress on its Kalgoorlie Nickel Project’s Definitive Feasibility Study, including high-grade drilling results, a heritage agreement, and consortium funding support. Completion of the DFS is now targeted for mid-2026 amid ongoing ESG and stakeholder engagement.

Ramelius Resources unveils a fully funded five-year growth plan targeting over 500,000 ounces of gold production annually by FY30, backed by major plant upgrades and strong free cash flow projections.

Ramelius Resources delivered a robust September quarter with strong gold production and cash flow, completing its transformative acquisition of Spartan Resources and advancing key exploration and feasibility studies.

Sunrise Energy Metals has nearly doubled its scandium resource at the Syerston Project and attracted significant US government financing interest, underscoring the strategic value of its critical minerals assets amid tightening global supply.

Kaiser Reef Limited has announced a significant 29% increase in Ore Reserves at its Henty Gold Mine in Tasmania, extending mine life beyond six years and targeting annual production above 30,000 ounces of gold.

EQ Resources has announced a significant 39% increase in ore reserves at its Barruecopardo tungsten mine in Spain, extending the mine's operational life to 2034. This update reflects operational improvements and rising tungsten prices amid global supply constraints.