Latest Caesium 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.

Xenora Minerals has identified a significant new lithium anomaly at its Dudley Lithium Project in South Australia, using improved geochemical sampling methods. The company plans to commence drilling in June 2026 to test these promising targets.

PMET Resources has announced a significant capital raise of up to C$130 million through a public offering and a flow-through private placement to advance its Shaakichiuwaanaan critical minerals project in Quebec. The funds will support updated feasibility studies and exploration, aiming to de-risk the path to a Final Investment Decision.

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.

PMET Resources has reported its widest and highest-grade caesium intercepts to date at the Vega Zone within its Shaakichiuwaanaan Property, alongside confirming high-grade mineralisation at the newly discovered Helios Zone.

PMET Resources has delivered a positive feasibility study for its flagship Shaakichiuwaanaan lithium project, announcing a maiden mineral reserve and advancing exploration and corporate initiatives. The company also acquired the adjacent Pikwa Property and reported strong drilling results, maintaining a solid cash position.

Morella Corporation has expanded its rubidium exploration footprint at the Mt Edon Project in Western Australia, identifying multiple new high-grade targets with assays up to 2.84% Rb2O. This development strengthens the company's position in the critical minerals sector alongside its lithium assets.

IRIS Metals has raised $5.5 million through a strongly supported placement to accelerate development of its critical minerals portfolio in the United States, including early sales from its Beecher Project.

Speculative money piled into new discoveries and tight-supply metals, while a handful of small caps were sold hard on thin liquidity. The week’s biggest moves came from PGMs and tungsten on the way up, and micro-cap gas on the way down.

Chariot Resources reports promising high-grade lithium assays in Nigeria and advances US exploration with 32 new drilling targets, while securing strategic MOUs for financing and offtake.