Latest Mineral Resource Estimates News

Golden Horse Minerals has acquired full ownership of the Sorrel Copper Project from NT Minerals for $3 million, gaining significant copper exposure in a Tier-1 jurisdiction. The acquisition replaces a prior earn-in option and positions Golden Horse for resource growth amid rising copper demand.

IRIS Metals has expanded its lithium exploration footprint in South Dakota by acquiring the 752-hectare Tin Mountain Extension, advancing its position as a leading US lithium explorer. Phase II drilling is underway, with assay results and a maiden resource estimate expected by late 2025.

Sky Metals reports fresh high-grade tin intercepts from ongoing drilling at its Tallebung project, expanding the deposit and reinforcing its low-cost production potential.

Green Critical Minerals has released a robust Pre-Feasibility Study for the McIntosh Graphite Project, highlighting significant economic potential and a long mine life. Meanwhile, NH3 Clean Energy advances its flagship WAH2 ammonia project towards key development milestones.

Stellar Resources is expanding its drilling program at the Heemskirk Tin Project following strong high-grade tin results, aiming to significantly grow its mineral resource and advance project development.

Adavale Resources has launched its first-ever drilling campaign at the London Victoria Gold Mine, aiming to expand its existing gold resource and explore high-grade vein potential near the historic Koh-I-Nor mine.

Barton Gold Holdings has entered binding terms to acquire the Wudinna Gold Project in South Australia, adding 279,000 ounces of gold resources to its portfolio. The $15 million transaction, largely settled in shares and milestone payments, awaits Cobra Resources shareholder approval.

Magnetite Mines has increased its Razorback Iron Ore Project resource estimate and is advancing strategic partnerships, while early saline water testwork shows promise for green iron production.

Magnetite Mines Limited has updated its Razorback Iron Ore Project Mineral Resource Estimate, increasing tonnage by 600 million tonnes through a revised cut-off grade that aligns with Ore Reserves. This reinforces the project's strategic position in South Australia's Braemar iron province.

Brightstar Resources and Aurumin Limited have entered live merger discussions to consolidate their tenement holdings in Western Australia's Central Sandstone region, aiming to create a major gold development opportunity with a combined resource of approximately 2.4 million ounces.

Osmond Resources has significantly expanded its Orion EU Critical Minerals Project in Southern Spain by 160%, adding three new permits and preparing for a targeted drilling campaign to confirm mineral continuity.

Chilwa Minerals has announced a significant 85% increase in its Heavy Mineral Sands resource, now totaling 110 million tonnes at 4.03% total heavy minerals, with 71% classified as Indicated. This upgrade sets the stage for upcoming feasibility studies and further resource enhancements.