LONDON (ShareCast) - (Sharecast News) - Tertiary Minerals updated the market on its wholly-owned Brunton Pass copper project in Nevada on Wednesday, reporting that rock samples from the northern half of the claim block contained up to 6.84% copper and 1.75 grams of gold per tonne in separate samples.
The AIM-traded firm said project-wide soil sampling, drone magnetic and photogrammetric surveys had now been completed, with multiple copper soil anomalies defined associated with "extensive" skarn and hornfels alteration.

Mercury soil anomalies and rock samples suggested additional potential for epithermal gold and silver, the board said.

Interpretation of drone aeromagnetic data, meanwhile, provided a structural framework for mineralisation, with a follow-up trenching programme planned.

"Our systematic exploration at Brunton Pass has highlighted multiple zones of copper-skarn mineralisation with a possible overprint of mercury mineralisation which may represent the high levels of an epithermal system prospective for gold and silver," said executive chairman Patrick Cheetham.

"This is shaping up as a priority target and we look forward to reporting further exploration results from this exciting prospect alongside the follow up trenching underway at our Pyramid gold-silver project in Nevada and the recently optioned copper projects in Zambia."

At 1010 BST, shares in Tertiary Minerals were up 3.27% at 0.27p.

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