West Coast Silver (ASX:WCE) has completed 14 diamond drill holes for 2,015.7m at its Elizabeth Hill Silver Project in the Pilbara, Western Australia.
The program tested deeper targets beneath the mine and completed follow-up drilling north and west of the current mineral resource estimate (MRE).
The company also undertook infill drilling within the Elizabeth Hill MRE block model released in April 2026.
All holes aimed to intersect mineralisation within and around the Munni Munni Fault Zone at depths of up to 200m from surface.
Previously reported diamond core assays included ‘significant’ silver intercepts of 3m at 524 grams per tonne silver (Ag) from 183m, including 1.5m @ 1,039g/t Ag from 184.5m in hole 26WCDD029.
This intercept came from the fourth diamond hole in the Elizabeth Hill Deeps program and intersected a new sub‑horizontal zone of mineralisation below historically mined areas.
West Coast have submitted all samples to ALS Geochemistry in Perth, with assay results anticipated by the end of August 2026.
Executive Chairman Bruce Garlick says the company is pleased with the safe completion of the first‑half drilling program.
“Our drilling has shown that silver mineralisation at Elizabeth Hill extends beyond the historical underground mine and is associated with a broader structural corridor along the Munni Munni Fault,” Garlick says.
“The diamond drilling program at Elizabeth Hill evaluated deeper high‑grade silver extensions, expanded mineralisation north and west of the existing MRE, and improved confidence in the current MRE block model through targeted infill drilling.”
Drilling tested the company’s structural model, proposing that ‘high‑grade’ silver mineralisation may repeat further along the Munni Munni Fault and deeper.
Mineralisation also has the potential to materially expand the scale of the Elizabeth Hill mineral system.
Results will support an updated JORC MRE and provide the basis for economic studies to evaluate potential development options. Further diamond drilling is planned for the second half of 2026.
Elizabeth Hill is historically one of Australia’s ‘highest‑grade’ silver projects, with 1.2 million ounces (Moz) produced from 16,830 tonnes at a head grade of 2,194g/t Ag.
The project holds a 2.8Moz silver MRE and has a granted mining lease.
West Coast Silver is a silver exploration and development company advancing a portfolio of projects across Western Australia.
Write to JC Villarba at Mining.com.au
Images: West Coast Silver
