White Cliff Minerals (ASX:WCN) says further drilling at its Danvers discovery in Canada is strengthening the case for a regional-scale copper system.

Danvers is located at the Rae copper project in Nunavut, Canada. Recent results have confirmed high-grade copper-silver mineralisation to 280m vertical depth, along with new evidence of metal zonation within the Danvers 3 system.

Managing director Troy Whittaker said phase 1 drilling has outlined significant lateral extent and continuity of mineralisation across Danvers.

“DAN26030 the latest assay, is particularly important, extending the Danvers 3 system to around 280m vertical depth while providing new geological information on its internal metal zonation,” he said.

“These latest results materially strengthen the exploration model at Danvers 3 and provide a strong vector for follow-up diamond drilling targeting the thicker and higher-grade components of the mineralised system at depth and along strike.

“Regionally, drilling has now defined a massive 11.2km of visual copper mineralisation with more than 8km of that assaying for copper. We have now transitioned the concentration of our drilling program – focussing on testing the depth continuity and building out the resource volume at the highest-priority mineralised zones. At Danvers 3, drilling is targeting extensions from near surface to approximately 300m depth, while ongoing infill work at Danvers 4 will be followed by further drilling to expand the mineralised footprint at Danvers 1 and test the broader mineralised trend.”

Recently completed diamond drilling marked the end of phase 1 in the Danvers 4 area, with visual copper sulphides intersected in multiple holes.

Diamond drilling is now infilling the regionally spaced phase 1 regional holes, with individual targets being progressively refined as oriented core improves the company’s understanding of the structural controls on mineralisation. That matters for the next stage of work because the company is using each round of drilling to tighten target selection rather than simply extending the same holes, which can help clarify how the copper-silver system is arranged across the broader Rae project area.

The next phase of drilling will prioritise step-out work from the high-grade copper zones at Danvers 3 and test strike and depth extensions at Danvers 1, to both the northeast and southwest.

The company will also test extensions to Danvers 2 and Danvers 4, where previous drilling returned high-grade copper.

Pending assays will be progressively incorporated into drill targeting, particularly around Danvers 1, where mineralisation remains open along strike.

WCN was steady at 1.8 cents with a market capitalisation of $53.12 million.

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