Latest Hydrogeology News

Deal headlines and big drill hits shared the stage with a brutal sell-off in a handful of tiny raisings. The week’s biggest winners were backed by clear news; the biggest losers showed what happens when buyers vanish after a halt.

Small caps stole the spotlight, with a handful of stocks doubling on deal news and early-stage project updates. Large miners were steadier, but even they couldn’t fully escape the week’s sharp gap moves.

Resolution Minerals has reported final assay results from its 2025 drilling campaign at the Golden Gate prospects in Idaho, revealing extensive near-surface gold mineralisation alongside significant tungsten intercepts. The findings confirm the potential for a large, open-ended gold-tungsten deposit, setting the stage for accelerated exploration in 2026.

BHP Group Limited reported a robust half-year to December 2025, with copper overtaking iron ore as the top earnings contributor and a detailed technical assessment released for its promising Vicuña copper-gold project.

Vysarn Limited and the Kariyarra Aboriginal Corporation have advanced their Kariyarra Water Scheme with a key groundwater licence application and a bid to supply bulk water to Port Hedland.

A single exploration name blew the doors off the leaderboard, while two well-known uranium plays and a Nevada explorer sank hard. Behind the noise: deals got closer to completion, big raisings reset prices, and several “good news” gaps didn’t survive the week.

A single drill program in WA delivered a once-a-year spike, while several small caps fell hard after reopening with price gaps. This week also saw big money raised for gold and uranium builds, and a run of resource upgrades across critical minerals.

American Uranium has restarted drilling at its Lo Herma ISR uranium project in Wyoming, aiming to expand and upgrade its existing 8.57 million pound resource ahead of key updates in 2026.

Carnavale Resources has launched a comprehensive Bankable Feasibility Study drilling program at its Kookynie Gold Project, aiming to deliver a shovel-ready, high-grade open pit mining scenario by Q3 2026.

Redcastle Resources has confirmed a broad, low-grade gold mineralised system at Morgan’s Castle East, with potential for higher-grade zones. Meanwhile, drilling at Sligo identified a promising aquifer that could support future mining operations.

Pursuit Minerals has delivered a compelling Pre-Feasibility Study for its Rio Grande Sur lithium project in Argentina, confirming strong economics and a maiden Ore Reserve. The company also secured a A$7 million capital raise to advance development.

Axel REE Limited's latest magnesium sulphate leach tests at the Paraíso target confirm robust rare earth grades and a magnet-rich basket, underpinning a modular in-situ leach development at the Caladão Project in Brazil.