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Auroch Minerals hits zinc-lead mineralisation in maiden drill campaign

Drilling at the Grainger and Dewrang prospects has delivered encouraging results.
Kangaroo on Kangaroo Island
The Bonaventura project is on Kangaroo Island, South Australia

Auroch Minerals Ltd (ASX:AOU) has intersected zinc and lead mineralisation in maiden drilling at the Bonaventura project on South Australia’s Kangaroo Island.

Drilling at Grainger prospect intersected vein sets in fresh rock at shallow depths.

At Dewrang prospect drilling demonstrated that a 1.5-kilometre-long IP chargeability anomaly appears to correlate with base metals mineralisation.

Auroch Minerals CEO Aidan Platel said the results were a great result for the company, confirming base metal mineralisation at the two highest priority targets.

Several lead and zinc vein sets at Grainger

A single drill hole at Grainger targeted down dip extensions of historical artisanal workings, intersecting thin veins comprising zinc sulphide, lead sulphide, pyrite and calcite.

Best result was 6.0 metres at 1.53% zinc and 0.21% lead from 28.3 metres, including 1-metre at 4.50% zinc and 0.34% lead from 33 metres.

There was another strong 7-metre intersection from 64.2 metres at 1.65% zinc and 0.26% lead, including 1-metre at 4.14% zinc and 0.66% lead from 70.2 metres.

Platel said: “At Grainger, the drilling intersected several sets of lead and zinc bearing veins at shallow depths near historic artisanal workings.

“Mineralisation is clearly structurally controlled and remains open at depth.”

Two holes at Dewrang

Two holes were completed at Dewrang – one on each of two IP section lines 400 metres apart along strike.

Best result was 8.9 metres at 2.12% zinc and 0.51% lead from 180.1 metres, including 1-metre at 4.53% zinc and 0.97% lead.

“Drilling at Dewrang demonstrated an extremely good correlation between mineralised intervals of base metals and the 1.5-kilometre chargeability anomaly defined by our June IP survey, suggesting we are dealing with a large mineralised system,” the CEO said.

The Bonaventura project contains several historical artisanal mines for zinc, lead, copper, gold and silver that were worked at various times up to the 1920s.

Structural geology study planned

Auroch is planning a structural geology study of Grainger in order to better understand the prospect’s deformational history.

This is expected to allow for potential definition of target areas of possibly thicker mineralisation and/or higher grades with the aim of locating possible drill targets.

Dewrang prospect remains a priority target area and Auroch’s geology team will continue to use pXRF, surface mapping and surface sampling to build the geological database and define new target areas.

Platel added: “The company will continue to focus its exploration activities, leveraging all information required from the maiden drilling to vector in on possible higher-grade zones.”

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