Latest Limestone News

Estrella Resources has released promising initial assay results from its 2025 drilling campaign at the Werumata Limestone Project in Timor-Leste, confirming high-grade, low magnesium limestone and chalk deposits. The company aims for a JORC-compliant resource estimate of at least 500 million tonnes.

Estrella Resources has ramped up extraction at its Ira Miri manganese project in Timor-Leste, targeting a significant 30,000 tonne market sample as it advances towards commercial production.

Mammoth Minerals has launched a new drilling phase at its Excelsior Gold-Silver Project in Nevada, revealing promising Carlin-style gold mineralisation that could significantly expand the project’s scale.

Terra Critical Minerals has expanded its True American Tungsten Project in Nevada to over 1,130 acres, revealing new high-grade tungsten mineralisation from surface samples. This under-explored system, untouched since the 1940s, now offers promising dual-style mineralisation targets ahead of a planned spring exploration campaign.

Ausmon Resources advances its rare earth elements exploration in South Australia’s Limestone Coast, unveiling promising drilling results and plans for detailed grid drilling in 2026. Concurrently, the company pursues base metals and gold prospects in New South Wales and Queensland.

Kaili Resources has reported promising rare earth element assay results from its South Australian tenements and launched a new focused drilling campaign at the Mallee Project, signalling a step forward in its exploration ambitions.

Cassius Mining Limited is progressing joint venture discussions for its high-purity Soalara Limestone Project in Madagascar while pursuing a significant international arbitration claim against Ghana. The company also raised $1.16 million in a recent share placement, bolstering its cash position.

Estrella Resources has reported multiple high-grade manganese intersections at its Ira Miri project, including assays up to 58% manganese, and received regulatory approval for a 30,000-tonne bulk sample extraction. Concurrently, drilling at the Werumata limestone project has been completed with assay results pending.

BOA Resources has secured a significant foothold in Western Australia’s Murchison Copper Belt with a 49% stake in the Neds Creek copper project, setting the stage for targeted drilling and exploration backed by a $3.75 million capital raise.

Gold Hydrogen Limited has reported successful drilling results confirming high-purity Natural Hydrogen and Helium at its Ramsay Project in South Australia, setting the stage for commercial pilot testing and green methanol development.

MinRex Resources and Electrum Discovery reveal promising geophysical survey results identifying two concealed copper-gold targets at Timok East, Serbia, bolstering their upcoming merger plans.

EV Resources has commenced a fully funded maiden diamond drilling program at its Los Lirios Antimony Project in Mexico, aiming to define a maiden JORC resource by Q3 2026 and accelerate towards production.