Latest Resource Upgrade News

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Diatreme Resources has increased its Si2 Deposit Mineral Resource Estimate by 10.6%, expanding the Northern Silica Project’s high-purity silica sand base to 301.5 million tonnes, underpinning its Pre-Feasibility Study.
Maxwell Dee
Maxwell Dee
19 May 2026
Catalyst Metals has identified a capital-efficient path to increase throughput at its Plutonic Mill by refurbishing a dormant processing circuit, enhancing flexibility for its ambitious plan to double annual gold production to around 200,000 ounces.
Maxwell Dee
Maxwell Dee
19 May 2026
Viridis Mining has lodged the critical Installation Licence for its Colossus Rare Earth Project in Brazil, clearing a key regulatory hurdle that unlocks construction and brings the company closer to a Final Investment Decision targeted for the second half of 2026.
Maxwell Dee
Maxwell Dee
19 May 2026
Legacy Iron Ore Limited has wrapped up Phase I mining at Mount Celia, pivoting to develop a heap leach processing facility while reporting a 77% surge in measured and indicated gold resources. The company also progresses its Mount Bevan iron ore joint venture amid ongoing exploration and feasibility studies.
Maxwell Dee
Maxwell Dee
18 May 2026
Cauldron Energy has acquired five new tenements at its Yanrey Uranium Project, significantly enlarging its landholding around Paladin Energy’s Manyingee deposit and setting the stage for a major 2026 drilling campaign.
Maxwell Dee
Maxwell Dee
18 May 2026
Reach Resources has locked in a binding option with Andel Resources that fully funds mining and processing at Murchison South, with a profit-sharing model and a strategic equity investment.
Maxwell Dee
Maxwell Dee
18 May 2026
Tanami Gold has launched a fully underwritten $70.5 million renounceable rights issue priced at 6 cents per share, aiming to finance its 50% stake in the Central Tanami Project. The offer is open to eligible shareholders across select jurisdictions and runs until 27 May 2026.
Maxwell Dee
Maxwell Dee
18 May 2026
88 Energy has upgraded its South Prudhoe Project prospective resources by 35%, adding a maiden Brookian reservoir estimate and increasing Ivishak resources by 44%, setting the stage for its high-impact Augusta-1 well in Alaska next year.
Maxwell Dee
Maxwell Dee
18 May 2026
Forrestania Resources has reported significant high-grade gold intersections from its 2026 drilling campaign at the Mt Palmer Gold Project, reinforcing the potential to expand its mineral resource near key processing infrastructure in Western Australia.
Maxwell Dee
Maxwell Dee
18 May 2026
Rumble Resources and AIC Mines have agreed to sell their combined 100% interest in the Lamil Project to Aventine Resources for A$1.1 million plus royalties, as Rumble sharpens focus on core assets.
Maxwell Dee
Maxwell Dee
15 May 2026
Haranga Resources has wrapped up its underground drilling at the Lincoln Gold Project, delivering standout high-grade assays and setting the stage for a maiden JORC Mineral Resource Estimate next week.
Maxwell Dee
Maxwell Dee
15 May 2026
Viridis Mining has delivered strong infill drilling results at its Colossus Rare Earth Project, boosting resource confidence and underpinning an imminent resource and reserve upgrade ahead of a Final Investment Decision in Q3 2026.
Maxwell Dee
Maxwell Dee
15 May 2026