Latest Mineral Resource Estimation News

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IRIS Metals has revealed a 3.03Mt lithium resource at its fully permitted Beecher Project in South Dakota, featuring a notable rubidium component with a high-grade zone containing around 2,100 tonnes of Rb2O. This positions Beecher as a rare multi-commodity critical minerals asset in a top US mining jurisdiction.
Maxwell Dee
Maxwell Dee
28 Apr 2026
First Au Limited has boosted confidence in its Gimlet Gold Project by upgrading 62% of its resource to Indicated, while streamlining its focus on Western Australian gold through the acquisition of the Barlee Project and exiting offshore assets.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Atomic Eagle has kicked off a substantial 30,000-metre drilling campaign at its Muntanga Uranium Project in Zambia, targeting resource growth and new discoveries across three priority areas following a recent 24% resource upgrade.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Horizon Gold has confirmed new high-grade gold shoots at its Kingfisher prospect, underpinning resource growth potential, while progressing a major $30 million capital raise and leadership transition.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Skylark Minerals has kicked off its largest drilling campaign at the Zaranou Gold Project in Côte d’Ivoire, confirming deeper and thicker gold mineralisation that could expand its 364,600-ounce inferred resource.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Stellar Resources has revealed exceptional tungsten and silver assay results from reconnaissance sampling at its Scamander Critical Minerals Project in Tasmania, highlighting significant exploration upside alongside its flagship Heemskirk Tin Project.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Chilwa Minerals confirmed a significant niobium discovery at its Nakombe target, progressing with dual diamond rig drilling and advancing a NASDAQ listing application. Heavy mineral sands resource work continues alongside a new ionic clay rare earth program.
Maxwell Dee
Maxwell Dee
28 Apr 2026
VBX Limited has more than doubled the Measured and Indicated Mineral Resource at its Wuudagu bauxite project to 131.9 million tonnes with improved grades, while also enhancing its Definitive Feasibility Study scope and securing additional funding.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Victory Metals has unlocked a rare metallurgical feat at North Stanmore, achieving a globally top-tier 72% heavy rare earth ratio and unveiling a second revenue stream from zircon-hafnium concentrate using a low-cost gravity separation process.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Venari Minerals has achieved a key metallurgical milestone by producing 99.5% pure battery-grade lithium carbonate from its Red Mountain Project in Nevada, highlighting its potential as a domestic US lithium chemical source alongside valuable by-products.
Maxwell Dee
Maxwell Dee
28 Apr 2026
Power Minerals confirms exceptionally high-grade rare earth oxide assays at its newly acquired Morro do Ferro Project in Brazil, validating historical data and setting the stage for aggressive drilling and resource definition.
Maxwell Dee
Maxwell Dee
28 Apr 2026
St George Mining has expanded its Araxá rare earths-niobium resource by 75% to 70.91Mt at 4.06% TREO, positioning the project among the world’s largest carbonatite deposits. The company also acquired land for processing facilities and forged new downstream partnerships, supported by Minas Gerais state tax incentives.
Maxwell Dee
Maxwell Dee
28 Apr 2026