Latest Mineral Resource Estimate News

Pivotal Metals has reported a substantial 43% increase in the in-pit copper equivalent resource at its Horden Lake Project, reinforcing its position as a leading high-grade, shallow copper deposit on the ASX. The updated Mineral Resource Estimate highlights strong by-product credits and ongoing exploration upside.

Strickland Metals reports a substantial 2Moz AuEq increase in Serbia’s Rogozna Project resources and a near doubling of gold ounces at Western Australia’s Yandal Project, backed by a $5 million strategic placement from Zijin Mining.

Maronan Metals reports robust assay results confirming extensive high-grade silver-lead mineralisation and promising copper-gold intercepts, alongside progress in mine development with a Mineral Development Licence application.

Buxton Resources reports a 345% increase in contained graphite at its Graphite Bull Project and confirms IGO's $5.35 million commitment to expand its Copper Wolf JV interest to 70%.

Arrow Minerals has reported a maiden Mineral Resource of 185 million tonnes at 42.3% alumina for its Niagara Bauxite Project, alongside strong progress on a scoping study targeting June 2025 completion. The company is also advancing its Simandou North Iron Project with strategic partnerships and metallurgical work.

Alma Metals has released a significant update to its Briggs Copper JV Project resource, incorporating silver for the first time and demonstrating high copper recoveries. The company is progressing a scoping study and preparing for further drilling to expand and upgrade the resource.

Siren Gold has submitted a Mining Permit application for its Sams Creek gold project in New Zealand, supported by a robust Scoping Study and plans for infill drilling to upgrade resource confidence. Exploration momentum continues at its Langdon’s and Queen Charlotte projects, positioning the company for a transition from exploration to development.

Ramelius Resources delivered a record underlying free cash flow of A$223 million in the March 2025 quarter, upgraded its full-year gold production guidance, and advanced a transformational acquisition of Spartan Resources to create a leading Australian gold producer.

Lefroy Exploration has partnered with BML Ventures in a profit-sharing agreement to fast-track mining at the Lucky Strike Gold Project, backed by promising drilling results that validate and expand the resource base.

Great Boulder Resources has reported further shallow, high-grade gold mineralisation at its Eaglehawk deposit within the Side Well Gold Project, confirming the prospectivity of this emerging system with strong recent drilling results.

Everest Metals Corporation has launched a major aircore drilling campaign at its Revere Gold Project while advancing a pioneering rubidium extraction patent at Mt Edon, setting the stage for resource growth and near-term mining at Mt Dimer.

Gorilla Gold has exercised its option to acquire the remaining 49% stake in the Comet Vale Project, increasing its ownership to 100% and positioning itself to capitalise on recent high-grade discoveries.