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West Coast Silver (ASX:WCE) has gone airborne to uncover multiple new targets at its Elizabeth Hill silver project in the Pilbara region of Western Australia.
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Results from a detailed drone magnetic survey have also identified the potential for a larger-scale silver-bearing mineralised system beyond the historical high-grade Elizabeth Hill mine, one of the richest in Australia.
“The results from WCE’s detailed drone magnetic survey confirm structures controlling silver mineralisation at Elizabeth Hill extending well beyond the historical mine workings,” executive chairman Bruce Garlick said.
“The results when overlain with previously reported anomalous surface sampling and aircore drilling assays show a pattern of new targets along the Munni Munni fault north and south of Elizabeth Hill, and significantly in new locations not along the Munni Munni fault.
“The identification of multiple fault jogs and structural intersections, with eight of the 20 targets located proximal to the Elizabeth Hill mine, reinforces our view that the Elizabeth Hill deposit is unlikely to be a standalone occurrence.”
Westcoast believes Elizabeth Hill may potentially be part of a broader, repeatable silver mineralised system.
“Testing the near mine and regional potential for mineralisation is part of WCE’s planned 2026 exploration scope,” Mr Garlick said. “These results give us confidence in using and testing new geophysical techniques in conjunction with surface geochemistry and mapping to continue to define new targets.”
The detailed magnetic survey covered 14 sq. km of WCE tenement holding and centred on the north– south trending Munni Munni fault. It was designed to refine the structural architecture controlling silver mineralisation at Elizabeth Hill for application in identifying new regional target areas.
The survey used a drone fitted with a sensitive magnetometer to measure small variations in the Earth’s magnetic field across the project area, and it successfully resolved fault flexures, splays and intersections that were not clearly defined from earlier regional, wider spaced, magnetic surveys.
Structural analysis has interpreted 20 discrete target zones with potentially silver-favourable mineralisation traps at fault bends and intersections between the Munni Munni fault and secondary structures.
“Some of these new magnetic targets are supported by anomalous surface geochemistry and aircore drilling, providing greater confidence in the interpretations,” Mr Garlick said.
The company plans to continue a systematic evaluation of the 20 targets, ranking and prioritising them for follow-up exploration on structural setting, proximity to known mineralisation and integration with existing data.
This work will consider the application of induced polarisation geophysical surveys to better define sulphide-bearing structures and refine drill targeting.
WCE is down -2.56%, to 19cps.
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