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Sierra Nevada Gold Inc (ASX:SNX) has kicked off a 1500-metre program of reverse circulation (RC) drilling at the Endowment Mine – part of the company’s Blackhawk Epithermal Project in Nevada, targeting shallow mine extensions and following up high-grade results from previous drilling.
A previously reported core drill hole (BHD006) yielded an intercept of 12 metres at 219 grams per tonne (g/t) of silver (Ag) and 11.6% lead and zinc (Pb+Zn) from 250 metres, with an additional sweet spot of 5 metres at 479 g/t Ag and 25.9% Pb + Zn.
What’s interesting about this intercept is its location – more than 150 metres below the deepest extent of the Endowment Mine. Additionally, the silver intercepts include an important feature: being associated with high-grade lead-zinc-gold.
This indicates the potential for exceptionally high-grade polymetallic-silver ore.
Sierra Nevada is expected to run the RC drilling program over two to three weeks and will then release assay results. It’s refining of drill targets for this program has been enabled by a recent LiDAR survey of the Endowment Mine’s accessible underground workings.
Executive chairman Peter Moore said the company had spent much time preparing for this exploration work.
“We are excited to have the drill program underway at Blackhawk to test the most prospective silver targets and given we have spent considerable time and planning in refining these targets, we’re very keen to see what it returns,” he said.
“Previous drilling at the Endowment Mine has delivered high-grade results up to 1270g/t silver.
“With more than 20km of veins identified to date, we are working to test the most
prospective areas first.”
Sierra Nevada Gold has been trading at 5.2 cents.
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