Impact a hit at Red Hill with extensive high-grade Rare PGM returns - The Pick Online Magazine

Impact Minerals Limited’s (ASX:IPT) has returned high grades of the rare platinum group elements rhodium, iridium, osmium and ruthenium from new assays from seven previously drilled diamond drill holes at the Red Hill prospect within 100%-owned Broken Hill Project in New South Wales.

Managing Director, Dr Mike Jones, said the drill holes had previously only been assayed for palladium and platinum and a total of 12 out of the 13 drill holes completed returned robust widths and grades of these two PGE’s together with significant gold, copper, nickel, cobalt and silver credits.

Seven holes with high grades of palladium and platinum were selected for full-suite PGE analysis by fire assay (with nickel sulphide collection) for rhodium, iridium, osmium, ruthenium, palladium, platinum and gold.

These particular holes were selected because they intersected up and down-dip extensions of a previously reported spectacular intercept which returned:

• 3.5 metres at 162.4 g/t (5.3 ounces) 7PGE comprising:
• 5.7 g/t rhodium, 2.6 g/t iridium, 2.0 g/t osmium, 1.1 g/t ruthenium, 144 g/t (4.6 ounces) palladium, 5 g/t platinum, 6 g/t gold, 2.9% nickel, 2.3% copper and 14.5 g/t silver from 67.3m down hole.

This intercept also included a vein of very high-grade mineralisation that returned:

• 1.2 metres at 335.8 g/t (10.8 ounces) 7PGE comprising:
• 4.6 g/t rhodium, 7.2 g/t iridium, 5.6 g/t osmium, 3.1 g/t ruthenium, 294 g/t (9.5 ounces) palladium 10.4 g/t platinum, 10.9 g/t gold, 7.4% nickel, 1.8% copper and 19 g/t silver.

The seven new drill holes have all returned exceptional assays for the rare PGE’s.

Stand out results included:

• 29.0 metres at 10.9 g/t 7PGM comprising:
• 0.8 g/t rhodium, 0.9 g/t iridium, 0.8 g/t osmium, 0.8 g/t ruthenium, 5.1 g/t palladium,
2.5 g/t platinum and 0.4 g/t gold, 2.3% copper, 0.4% nickel and 58 g/t silver from surface.

Dr Jones said the extensive nature of the rare PGM’s in the seven drill holes suggests it is likely that the other five mineralised holes drilled at Red Hill will also contain the same metals. This is important for future metallurgical process test work.

“These new PGE results confirm again that the mineralisation at Red Hill and other prospects in the Broken Hill area such as Platinum Springs and Little Darling Creek, is exceptional even on a global scale.

This is because it is unusual to get such high grades of all the PGE’s together, and in addition it also contains gold, Dr Jones said.

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