Thick Gold Intercepts Enhance West Island Prospect
Musgrave Minerals Ltd (ASX: MGV) and Evolution Mining Ltd (ASX: EVN) are planning to accelerate drilling at the Cue Joint Venture over Lake Austin in Western Australia’s Murchison district following the receipt of further positive assay results.
The aircore results have extended the large regolith gold mineralisation to over 1.6km at the West Island Prospect and are centred 700m south of the recent diamond drilling.
Musgrave Managing Director, Rob Waugh, said the West Island zone is part of a broader regional 7km-long anomalous gold corridor within the joint venture. The mineralisation at West Island is hosted within a differentiated dolerite unit, similar to that hosting the high-grade Great Fingall and Golden Crown deposits 25km to the north at Cue.
The Great Fingall and Golden Crown deposits host a combined 4.4Mt @ 14.1g/t Au for 2.0Moz gold (Total Indicated and Inferred Resources and past production).
“This is an excellent result from aircore drilling and shows the extensive and thick nature of the regolith gold dispersion in this area,” Mr Waugh said.
“Diamond drilling has commenced in this new target zone 700m south of previous basement drilling and we look forward to providing the results as they come to hand.
“The diamond drilling will test for the possibility of multiple parallel basement gold lodes which have the potential to enhance the economics of a potential new discovery.”
Evolution’s Vice President Discovery and Business Development, Glen Masterman, said the recent drilling results which have significantly increased the footprint of the mineral system identified on Lake Austin.
“The results reinforce our belief in the high-quality project we are delineating and validate the original area selection work by the Evolution team that led to the formation of our partnership with Musgrave.
“Evolution is well on its way to completing the 75% earn-in and we are developing plans with our partner to accelerate the drilling program over the next several months”.
Two phases of regional aircore drilling have been completed on Lake Austin since October 2019 and a third phase of over 17,000m of drilling is currently underway.
141 drill holes for 13,799m of aircore drilling has been completed to date in the current phase of the program. Assay results for the first 32 drill holes in the program have been received.
Strong aircore results in the West Island area have extended the regolith gold anomalism to over 1.6km of strike where it remains open to the north and south.
The regolith mineralisation is hosted within weathered Archaean dolerite below approximately 60-90m of Tertiary lake sediment cover.
The regolith gold mineralisation is extensive and is over 150m wide on some sections.
New aircore results include:
o 67m @ 0.82g/t Au from 87m to EOH (21MOAC018), including: 44m @ 1.17g/t Au from 87m
o 67m @ 0.87g/t Au from 88m to EOH (21MOAC019), including:12m @ 3.33g/t Au from 108m
o 46m @ 0.72g/t Au from 96m (21MOAC020), including 20m @ 1.46g/t Au from 110m,
o 68m @ 1.49g/t Au from 110m to EOH (21MOAC024), including 12m @ 4.41g/t Au from 134m
o 53m @ 2.01g/t Au from 108m to EOH (21MOAC025), including 27m @ 3.63g/t Au from 134m to EOH
Those aircore results come from approximately 700m south of the existing diamond drilling at West Island (21MODD024) and are the strongest aircore intersections to date on Lake Austin.
Diamond drilling to test the basement fresh rock below this new zone has commenced.
Lake Austin Diamond Drilling Program Results
Nine diamond drill holes have been completed in the current programme for 2,850m (of a planned total of 7,000m) with seven holes drilled at West Island.
Assays have been received for the first two diamond holes with significant intercepts including: 8.0m @ 3.0g/t Au from 212m (21MODD024), including 0.9m @ 19.7g/t Au from 214.8m.
Ongoing Exploration
Follow-up diamond drilling on Lake Austin is continuing, while diamond drilling to test the basement beneath the new regolith gold mineralisation identified in aircore drilling has commenced.
The current aircore drilling is scheduled to be completed in late November. Assay results are pending for a further 109 aircore drill holes in the current program.
Unfortunately lengthy delays are currently being experienced with assay turn-around.
For further information please visit: https://musgraveminerals.com.au/
