Latest Grade Control Drilling News

Alkane Resources has lifted group Ore Reserves to 1.374 million ounces after exploration and resource conversion replaced depletion across its operating portfolio. The FY26 update also puts Björkdal’s open-pit restart and Costerfield’s extended mine life into sharper focus.

Catalyst Metals has lifted the Keillor gold Resource from 81koz to 307koz after a major drilling campaign, while the operating mine ramps up near the Plutonic processing plant. The company expects an Ore Reserve update to extend Keillor’s initial three-year mine life.

Rox Resources has increased Youanmi’s Ore Reserve by 8% to 727,000 ounces after mining depletion, while the broader Mineral Resource edged up to 2.195 million ounces. The update excludes results from recent surface and underground drilling programs, leaving future revisions as a potential source of change.

Redcastle Resources has reported robust new gold assay results from its Queen Alexandra grade-control drilling, reinforcing the deposit's potential and underpinning plans for pit expansion into a newly granted mining lease.

Neometals reports significant gold intersections from recent drilling at its Barrambie Gold Project, confirming a high-grade plunging corridor at Ironclad and outlining plans for diamond drilling to test deeper extensions.

Maritana Minerals is intensifying drilling across its Western Australian projects, aiming to upgrade resources and support a mid-2027 mining restart at Boorara and first gold processing at the Black Swan Processing Hub.

ABx Group has kicked off a targeted rare earth drilling campaign in northern Tasmania, deploying a proprietary rapid testing technique to accelerate exploration and refine resource understanding.

GoldArc Resources has delivered a standout 1m at 59.9 g/t gold intercept in the final round of grade control drilling at Mt Stirling Well, reinforcing the deposit's high-grade continuity and supporting mine planning.

Lunnon Metals has completed mining at its Lady Herial gold open pit ahead of schedule, delivering a record month in July and generating $35 million pre-tax free cash flow to date.

GoldArc Resources has delivered its strongest gold intercept at Mt Stirling Well, reinforcing high-grade continuity and advancing mine planning under a fully funded drilling program.

GoldArc Resources has cleared the last regulatory hurdle for its Mt Stirling gold project, enabling development to proceed under a 50/50 profit-share partnership with BML Ventures.

True North Copper has enhanced its Cloncurry Copper Project resource base by adding a 1.0 Mt gold-copper resource at Wynberg, featuring 61,000 ounces of gold and 3,000 tonnes of copper. The update supports near-term development prospects and broadens the project's metal exposure.