Mining

Cosmo Metals unveils wide copper intersections at flagship Yamarna project

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By Robin Bromby - 
Cosmo Metals ASX CMO wide copper intersections flagship Yamarna project

计划于本月晚些时候开始进一步钻探,以测试 Yamarna 的高优先级区域目标。

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West Perth-based Cosmo Metals (ASX: CMO) says thick, shallow copper mineralisation has been intersected from a seven-hole drilling program at the priority Mt Venn copper-nickel-cobalt prospect.

Mt Venn is part of the company’s flagship Yamarna project, which is 130km northeast of Laverton in the eastern goldfields of Western Australia.

Significant intersections from reverse circulation drilling at Mt Venn comprised 18m at 0.48% copper, 0.12% nickel and 340 parts per million cobalt from 142m down hole.

Hole 023 returned 13m at 0.46% copper and 0.11% nickel (including 1m at 1.37% copper), while Hole 017 intersected 17m at 0.26% copper.

Potential for economic base metals operation

The company has now encountered thick, shallow and continuous copper mineralisation over three programs of drilling at Mt Venn in 2022.

There has also been the identification of the Minjina base metals prospect, a new “blind” target less than 1km north of Mt Venn.

A historical hole at Minjina returned 12m at 0.8% zinc, 3.3 grams per tonne silver and 0.16% lead from 48m down hole.

Cosmo managing director James Merrillees said all this work supports the company’s view of the region’s prospectivity particularly when looked at with “new eyes”.

“The latest intersections at Mt Venn continue to support our interpretation that Cosmo’s Yamarna project host a significant mineralised system with potential for economic base metals deposits,” he added.

High priority targets to be drilled next

All three holes reported today intersected copper mineralisation at targeted depths which the company says confirms and extends the interpretation of the mineralisation to the north, south and down dip of the current sections.

RC drilling is planned to begin later this month to test Minjina and other high priority regional targets identified from electromagnetic surveys

Yamarna includes the Mt Venn and Eastern mafic prospects, and comprises exploration and prospecting licences covering 370sq km.

Drilling by Cosmo at Mt Venn has so far defined a continuous zone of copper-nickel mineralisation up to 2.5km in length and down to 240m. The full length of known strike is more than 8km.