Australian Mines (ASX:AUZ) is set to improve its understanding of an enticing target area of its Doolgunna-Marymia nickel-copper-gold project in Western Australia with the start of new drilling campaign.
The reverse circulation drilling will test a number of high-priority targets at Doolgunna, including the exciting Burton prospect, where a high-powered surface electromagnetic survey has detected a strongly conductive underground body.
Located beneath an extensive copper-in-soil geochemical anomaly, the source of the bedrock conductor at Burton appears to have a strike length of 175 metres and extends almost from surface down to a depth of 650 metres.
Encouragingly, previous drilling by Australian Mines east of the Burton prospect conductor has intersected a thick zone of anomalous copper and zinc. Also, historic air core drilling completed along strike of the conductor similarly returned highly anomalous copper assay results.
Australian Mines anticipates the current Burton drill program will take up to 10 days to complete with the final assay results expected by late October.
Strongly emerging province
Doolgunna occupies a mining district which includes Sandfire Resources’ (ASX:SFR) large DeGrussa copper-gold operation, where resources total 12.4 million tonnes at 4.7% copper and 1.8 grams per tonne gold for 579,000 tonnes of copper and 704,000 ounces of gold.
Recent drilling by Sandfire in the area has intersected near-surface massive sulphides along strike on either side of a hole which previously returned 18 metres at 5.7% copper and 2.4 grams per tonne gold from 107 metres.
Along with Talisman Mining (ASX:TLM), Sandfire has also been active at the area’s Monty discovery, which delivered the first significant intersection of high-grade massive sulphides outside of the known DeGrussa deposits.
Advances in these areas are expected to demonstrate a broader regional extension of Northern Star Resources’ (ASX:NST) recently acquired Plutonic gold mine only 40 kilometres to the east - a mine that has been in continuous production for over 20 years, producing over 5 million ounces of gold to date.
The recent detection of a strong and discrete bedrock conductive body beneath an extensive copper-in-soil anomaly at Burton represents significant progress in Australian Mines’ pursuit to discover a VMS body within its Doolgunna-Marymia tenements.
The Burton conductor apparent proximity to the regional Jenkin Fault is significant since this geological structure is considered a key control of the nearby DeGrussa copper-gold ore bodies.
With more than 1,300 square kilometres of contiguous prospective geology, Australian Mines has a strong ground position in the emerging Doolgunna copper province, where sizeable neighbouring explorers have consistently demonstrated the richness of local mineralisation.
Burton looks to be an interesting prospect and with similarities to Sandfire’s and Talisman’s Monty prospect, where recent drilling has returned a spectacular massive sulphide intercept of 16.5 metres grading 18.9% copper and 2.1 gram per tonne gold from 409.5 metres down-hole.
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