Latest Mineral Resource Estimation News

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Tribune Resources completed 8,831 metres of diamond drilling in Q3 FY2026 at the East Kundana Joint Venture, reporting significant gold assay results from Golden Hind while awaiting Startrek results.
Maxwell Dee
Maxwell Dee
21 Apr 2026
Rand Mining delivered its March 2026 quarter exploration update for the East Kundana Joint Venture, highlighting 8,831 metres of diamond drilling focused on the Golden Hind and Startrek deposits. While Golden Hind assay results confirmed ongoing mineralisation with no resource update, Startrek drilling progressed with assays awaited.
Maxwell Dee
Maxwell Dee
21 Apr 2026
Sunstone Metals has delivered a robust Scoping Study for its Bramaderos Gold-Copper Project in Ecuador, outlining a 23-year mine life, strong production rates, and a post-tax NPV of US$0.9 billion at a conservative gold price. The study highlights low operating costs and substantial exploration upside, setting the stage for a pre-feasibility study and funding pursuits.
Maxwell Dee
Maxwell Dee
21 Apr 2026
Star Minerals has delivered promising new assay results from extensional drilling at its Tumblegum South Gold Project, revealing shallow, high-grade gold mineralisation beyond the current pit design. The findings underpin plans to update the resource and mine plan, reinforcing the project’s robust economics amid strong gold prices.
Maxwell Dee
Maxwell Dee
21 Apr 2026
Aldoro Resources has reported a 354.2-meter continuous intercept of rare earth elements and strontium at its Kameelburg project, confirming significant northwest extension of mineralisation and reinforcing the deposit's growing scale.
Maxwell Dee
Maxwell Dee
21 Apr 2026
Aurum Resources has unveiled robust assay results from 40 diamond drill holes at the BDT2 deposit, confirming substantial gold mineralisation beyond current resource boundaries and underpinning its 4.2Moz group resource growth strategy in Côte d'Ivoire.
Maxwell Dee
Maxwell Dee
21 Apr 2026
Astral Resources has boosted its Mandilla Gold Project Mineral Resource Estimate by 22% to 1.74 million ounces, introducing a maiden Measured Resource for the flagship Theia deposit. Including Feysville and Spargoville, the Group’s total resource now stands at 2.07 million ounces.
Maxwell Dee
Maxwell Dee
21 Apr 2026
Kalgoorlie Gold Mining has launched a substantial 41-hole reverse circulation drilling campaign at its Pinjin Gold Project, targeting resource growth at Kirgella Gift, Providence, and Lighthorse. The program aims to refine and extend existing gold mineralisation within a key part of the Laverton Tectonic Zone.
Maxwell Dee
Maxwell Dee
21 Apr 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.
Maxwell Dee
Maxwell Dee
21 Apr 2026
GoldArc Resources has wrapped up its biggest ever drilling effort at Leonora South, completing 15,260m across multiple programs including partner-funded development drilling. Assay results expected by late May will be pivotal for advancing resource definition and new discoveries.
Maxwell Dee
Maxwell Dee
21 Apr 2026
Terrain Minerals has completed a critical four-hole diamond drilling program at its Lightning Gold Project, securing key structural and density data that de-risks the upcoming maiden Mineral Resource Estimate scheduled for July 2026. The results confirm continuity of high-grade gold mineralisation, underpinning the project's transition from exploration to resource definition.
Maxwell Dee
Maxwell Dee
20 Apr 2026
Peel Mining has agreed to sell its South Cobar Copper Project to Aeris Resources, while spinning off its remaining Cobar Basin assets into a new ASX-listed company, Spectre Metals. Exploration highlights from the Southern Nights Complex and Nombinnie Prospect underpin the growth potential of the new entity.
Maxwell Dee
Maxwell Dee
20 Apr 2026