Drilling At Broken Hill To Commence This Week

Impact Minerals (ASX:IPT) is pleased to announce that a diamond drill programme of up to 1,100m will commence this week at its newly named Yellowstone prospect and which is being funded by joint venture partner IGO Limited (ASX:IGO).

• IGO Limited secures diamond drill rig at short notice
  
• Large EM anomaly to be drill tested for high grade massive nickel- copper sulphides with PGM at Yellowstone, part of the Platinum Springs project.
• Up to two holes planned with all Statutory Approvals in place

Two diamond holes have been planned to test a significant electromagnetic (EM) conductor identified by IGO in an extensive ground EM survey completed across the project area earlier this year (ASX Release 3^rd March 2022).

Dr Mike Jones, Impact’s Managing Director said:

“It will be great to be drilling at Broken Hill again. The EM conductor identified by IGO is of a significant size and has a similar conductance to the high-grade massive nickel-copper-PGM sulphide we discovered at Platinum Springs. The anomaly lies within a major structure that may have been a feeder zone for the entire Moorkai Trend and it is a compelling target we are looking forward to testing.”

About the EM anomaly

The EM plate is located approximately 1,000 metres southeast along strike from the main Platinum Springs Prospect where previous drilling by Impact returned a narrow intercept of high-grade massive sulphide mineralisation in PSD002 (Figure 1 and ASX Release 23^rd February 2016 ) that returned:

0.6 metres at 11.5 g/t platinum, 25.6 g/t palladium, 1.4 g/t gold, 7.6% copper, 7.4% nickel, 44.3 g/t silver, 0.16% cobalt, 1.3 g/t rhodium, 1.7 g/t iridium, 2.0 g/t osmium and 0.8 g/t ruthenium from 57.1 metres down hole (Figure 2).

A down hole EM survey of PSD002 indicated the massive sulphide had a high conductance greater than 5,000 siemens and similar to that modelled for the new conductor.

The new EM conductor has been modelled to have a high conductance of about 8,000 siemens and with the top edge of the modelled EM plate centred at a depth of about 350 metres below surface. It has a length of about 420 metres and extends for at least 85 metres down dip moderately to the south (ASX Release 3^rd March 2022).

Field checking by IGO identified ultramafic and mafic rocks that were possibly related to the target Moorkai Trend intrusion which is much younger (c. 825 Ma) than the majority of the rocks at Broken Hill (c. 1650 Ma).

Click here for the full ASX Release

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