Latest Mineral Resource Growth News

Australian Gold and Copper Ltd’s latest step-out drilling at Achilles confirms mineralisation extending more than 200 metres beneath the current resource, highlighting potential for significant underground resource growth.

Barkly Rare Earths (ASX:BAK) is launching a substantial 10,000-metre drilling campaign targeting expansion of its 40 million tonne inferred rare earth resource at the Barkly Project, with drilling set to start imminently.

Many Peaks Minerals has exercised its option to acquire 100% of the Baga Gold Project in Côte d'Ivoire after a comprehensive soil sampling campaign revealed extensive gold anomalies. A 14,000m auger drilling program is now testing multiple targets along a 16km gold corridor.

29Metals has reported strong drilling results from its 2026 program at Golden Grove, confirming high-grade copper, zinc, gold, and silver extensions at Oizon and Amity. Development at Oizon is progressing with first ore expected by year-end, underpinning mine flexibility and potential cost efficiencies.

Ballard Mining has unveiled a new high-grade gold discovery at its Pluto prospect near Baldock, alongside extensions at Ayla, Neptune, and Golden Vale deposits, reinforcing its resource growth strategy at Mt Ida.

GBM Resources has reported high-grade gold intersections outside the current 309 deposit resource at its Twin Hills project, reinforcing the potential for resource growth and advancing development plans.

Aeris Resources has confirmed a significant new mineralised trend at its Avoca Tank deposit and thicker copper intersections at Budgerygar, setting the stage for resource upgrades and potential mine plan enhancements at its Tritton Operation.

Leeuwin Metals continues to expand its Marda Gold Project resource with promising shallow gold intercepts at Evanston and Golden Orb, while assays for additional holes remain pending ahead of May drilling resumption.

Boss Energy has trimmed its FY26 uranium production guidance due to severe weather disruptions at its Honeymoon project, while advancing a new feasibility study targeting cost reductions with wide-spaced wellfields.

Aurum Resources has boosted its total gold resources to 4.2 million ounces across two Côte d’Ivoire projects, supported by ongoing drilling and a strategic placement led by Perseus Mining. The company’s strong cash position and board strengthening set the stage for upcoming feasibility milestones.

Greatland Resources delivered a record $260 million cash build in the March 2026 quarter, underpinned by 82,723 ounces of gold production at a $2,056/oz AISC and a 150% increase in Telfer's Mineral Resource Estimate to 8 million ounces gold.

29Metals has delivered strong final drill results from its 2025 program at Golden Grove, revealing high-grade copper and zinc intercepts that promise to boost mineral resources and mine flexibility. The company plans a significant exploration budget increase for 2026 to capitalize on this momentum.