THE DRILL SERGEANT: Blackstone Minerals (ASX: BSX) is enjoying continued drilling success at the King Cobra and Ban Chang deposits at the company’s Ta Khoa nickel-copper-PGE project in Vietnam.
Infill and extensional drilling results from the King Cobra discovery Zone (KCZ) has delivered some of the best intercepts the company has achieved to date and has upgraded confidence in the Ban Phuc Disseminated Sulphide (DSS) deposit.
Intercepts from current reporting at KCZ and Ban Phuc include:
127.2 metres at 0.38 per cent nickel, 0.03 per cent copper, 0.01 per cent cobalt and 0.09 grams per tonne PGE (Platinum + Palladium + Gold) from 20.65m, including 14.45m at 0.77 per cent nickel, 0.15 per cent copper, 0.02 per cent cobalt and 0.18g/t PGE from 122.7m;
21.3m at 0.71 per cent nickel, 0.09 per cent copper, 0.01 per cent cobalt and 0.18g/t PGE from 48.7m, including 11m at 0.95 per cent nickel, 0.13 per cent copper, 0.01 per cent cobalt and 0.24g/t PGE from 59m;
149.2m at 0.42 per cent nickel, 0.06 per cent copper, 0.01 per cent cobalt and 0.08g/t PGE from 3m;
127.6m at 1.17 per cent nickel, 0.22 per cent copper, 0.02 per cent cobalt and 0.24g/t PGE from 14m, including 85m at 1.36 per cent nickel, 0.27 per cent copper, 0.03 per cent cobalt and 0.25g/t PGE from 22m;
96.1m at 0.83 per cent nickel, 0.17 per cent copper, 0.02 per cent cobalt and 0.26g/t PGE from 18.4m, including 50.2m at 1.05 per cent nickel, 0.2 per cent copper, 0.02 per cent cobalt and 0.4g/t PGE from 45m; and
166.1m at 0.75 per cent nickel, 0.16 per cent copper, 0.01 per cent cobalt and 0.29g/t PGE from 6.3m, including 79.8m at 1.12 per cent nickel, 0.27 per cent copper, 0.02 per cent cobalt and 0.45g/t PGE from 10.5m.
Intercepts from current reporting at Ban Chang include:
5.65m at 1.04 per cent nickel, 1.16 per cent copper, 0.05 per cent cobalt and 0.71g/t PGE from 55.1m, including 1.92m at 2.1 per cent nickel, 2.56 per cent copper, 0.11 per cent cobalt and 1.46g/t PGE from 58.9m;
15.8m at 0.47 per cent nickel, 0.25 per cent copper, 0.03 per cent cobalt and 0.21g/t PGE from 41.8m, including 1.9m at 1.21 per cent nickel, 0.48 per cent copper, 0.07 per cent cobalt and 0.7g/t PGE from 55.6m;
3.85m at 0.81 per cent nickel, 0.57 per cent copper, 0.05 per cent cobalt and 0.36g/t PGE from 46.0m, including 1.7m at 1.45 per cent nickel, 1.08 per cent copper, 0.08 per cent cobalt and 0.60g/t PGE from 48.15m; and
16.3m at 0.58 per cent nickel, 0.37 per cent copper, 0.04 per cent cobalt and 0.3g/t PGE from 54m, including 0.55m at 1.49 per cent nickel, 1.63 per cent copper, 0.09 per cent cobalt and 0.49g/t PGE from 62.9m.
“Successful infill and extensional drilling at KCZ continues to deliver broad, consistent mineralisation and increases confidence in the compelling metrics presented in our recent Scoping Study,” Blackstone Minerals managing director Scott Williamson said in the company’s ASX announcement.
“The drilling results reinforce our view that the project benefits from higher grades of the KCZ which can be accessed in the early years.
“Blackstone will continue to systematically test our 25 MSV prospects, and a maiden resource at the company’s first such target, Ban Chang, is being targeted for the first quarter of 2021.
“Through the delineation of additional MSV deposits, we see potential to increase annual nickel production and reduce initial capital requirements via a staged approach which would involve Blackstone utilising the existing 450,000 tonnes per annum concentrator at Ta Khoa.”
The Ban Phuc DSS deposit underpins the company’s maiden Indicated Mineral Resource of 44.3 million tonnes at 0.52 per cent nickel for 229,000 tonnes nickel and recently announced Scoping Study which demonstrates an economically robust nickel sulphide project to produce downstream nickel:cobalt:manganese (NCM) precursor products for the Lithium-ion battery industry.
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