Latest Resource Upgrades News

The week was split between big earnings reactions and small-cap rocks-and-rigs rallies. Pro Medicus sank despite record numbers, while a handful of explorers jumped on fresh discoveries and policy wins.

Explorers led the Materials tape as fresh drill stories and new ground deals pulled buyers into small caps. Big miners still delivered, but the loudest moves came from companies offering investors a near-term catalyst.

Horizon Minerals Limited has announced a significant update to its gold mineral resource, increasing contained ounces to 1.88 million by lowering cutoff grades and accounting for mining depletion. This comprehensive update spans multiple key deposits and sets the stage for upcoming development studies.

Kalgoorlie Gold Mining’s recent diamond drilling at Kirgella Gift and Providence deposits reveals thick gold mineralisation extending well below previous resource estimates, signalling promising vertical growth potential.

Peel Mining has agreed to sell its South Cobar Copper Project to Aeris Resources in a $214 million transaction, while spinning off its remaining assets into a new ASX-listed company, NewCo. The deal offers Peel shareholders immediate value and ongoing exposure to a diversified metals portfolio.

American Uranium has launched its 2026 drilling campaign at the Lo Herma ISR uranium project in Wyoming, aiming to expand and upgrade its mineral resource ahead of key updates this year.

LinQ Minerals has reported a major shallow gold and copper discovery 160 metres south of its Gidginbung open pit, revealing thicker and higher-grade mineralisation than previously expected. This breakthrough could significantly expand the resource potential of the Gilmore Project in New South Wales.

Rumble Resources has reported significant high-grade gold intercepts extending mineralisation at Western Queen South to over 500 metres down plunge, alongside strong early drilling results at Western Queen Central. These findings underpin an updated gold resource estimate planned for later this year.

Lindian Resources has launched a significant Stage 2 drilling program at its Kangankunde Rare Earths Project in Malawi, aiming to upgrade resource confidence and expand production capacity. The initiative targets converting up to 40 million tonnes of inferred resources to indicated status, underpinning plans to increase ore throughput and monazite concentrate output.

St Barbara Limited has expanded its Nova Scotia exploration portfolio with 44 new targets near its 15-Mile Processing Hub, aiming to extend the mine life beyond 11 years. The company has acquired 174 exploration licences and plans extensive drilling and sampling in 2026.

Everest Metals Corporation is progressing rapidly with near-term gold production at its Mt Dimer Taipan and Revere Gold projects while simultaneously developing Australia’s first rubidium industry at Mt Edon. The company reports strong resource upgrades, ongoing mining, and promising pilot plant plans for critical minerals.

Alice Queen Limited has successfully raised an additional $280,000 from unrelated investors, increasing the size of its tranche two placement to fund key exploration projects and working capital.