Latest Limestone News

Quantum Graphite has cemented a two-decade exclusive ore supply agreement with Sunlands Pure Group, consolidating its downstream processing and refining operations. The company also secured environmental approvals for Sunlands Pure’s Oman refinery and kicked off detailed engineering for its Uley 2 project.

Odessa Minerals has reported encouraging exploration results at its WA projects, confirming potential carbonatite-hosted rare earth elements and new base metal anomalies, while securing $2.65 million in fresh capital to fund a maiden 10,000m drilling campaign and project acquisitions.

Estrella Resources has delivered a 27,371-tonne manganese stockpile with nearly 5,000 tonnes grading above 49% Mn at Ira Miri and declared a maiden 621Mt JORC Inferred limestone resource at Werumata, underpinning its emerging Timor-Leste portfolio.

OD6 Metals has revealed gold assays up to 6.31g/t at its Quinn Fluorspar Project in Nevada, highlighting a large epithermal mineral system with potential for both epithermal and Carlin-style gold deposits alongside its core fluorspar targets.

Red Mountain Mining has launched systematic rock chip sampling at its Pioneer Tungsten Project in Montana, aiming to define drill targets after initial assays confirmed tungsten mineralisation comparable to nearby major deposits.

Anson Resources has applied to acquire 1,175 acres of lithium-rich brine mineral rights in Utah, aiming to boost its Green River Lithium Project and support a JORC resource upgrade in Q3 2026.

Mammoth Minerals has kicked off its maiden RC drilling program at the Blue Dick Prospect, aiming to extend exceptional surface silver and gold grades over a mapped 6.5km strike at its Excelsior Springs Project in Nevada.

Polymetals Resources continues to confirm substantial high-grade silver-lead-zinc mineralisation at the Endeavor Mine's upper Main Lode, progressing towards a new Mineral Resource estimate.

Nelson Resources has pinpointed four key exploration targets at its Cinnamon Tungsten Property in Nevada, highlighting Ophir as a near-surface priority with strong alteration and a newly mapped quartz monzonite intrusion. Positioned next to Guardian Metal Resources’ Pilot Mountain project, the company plans immediate fieldwork to advance these prospects.

Perpetual Resources has completed its first on-site technical assessment of the Nevada Scheelite Tungsten Project, validating key geological features and historical infrastructure. Six rock chip samples have been collected for assay, with results awaited as the company advances its technical work program.

OD6 Metals has unveiled exceptional high-grade fluorspar channel sampling results at its Horseshoe Prospect, pointing to a substantial near-surface deposit with grades averaging above 64% CaF2 and widths up to 50 metres.

Viking Mines’ tailings sampling at Nevada’s Linka Tungsten Project reveals minimal leftover tungsten, affirming strong historical recovery and bolstering confidence before maiden drilling in July.