Musgrave Minerals (ASX: MGV) has achieved ‘bonanza’ gold grades from RC drilling at the Big Sky Prospect within its 100%-owned Cue Gold Project in Western Australia’s Murchison district.
Results from the prospect, which sits along a new gold corridor south-west of the Lena and Break of Day deposits, include 1m @ 898g/t Au from 49m within 28m @ 35.9g/t Au, with coarse gold in quartz in RC drill chips (Hole 21MORC277).
Musgrave says that it has also identified a new high-grade gold position in a dolerite host unit in the footwall to Big Sky, which remains open and untested along strike.
“This is a very good result and highlights the high-grade potential at Big Sky over the broader 2.6km of strike”
The company believes that this unit may in fact be the southern extension of the same dolerite unit hosting the gold mineralisation on the Evolution JV tenure to the north. Plans are underway for a targeted 9,000m aircore drilling program over an extended strike extent of more than 5km.
Notable results returned from drilling into the footwall zone included
- Hole 21MORC212: 7m @ 8.6g/t Au from 43m; including
- 1m @ 55.2g/t Au from 44m
- Hole 21MORC213: 3m @ 13.2g/t Au from 3m and 2m @ 6.0g/t Au from 94m to end of hole
- Hole 21MORC216: 6m @ 3.6g/t Au from 24m
- Hole 21MORC279: 2m @ 12.0g/t Au from 110m
Speaking on the result, Musgrave Minerals Managing Director Rob Waugh said: “This is a very good result and highlights the high-grade potential at Big Sky over the broader 2.6km of strike. It is unusual on the Yilgarn to see such coarse gold in RC drill chips and the results validate our belief that there are high grade zones within the Big Sky trend. The identification of a new dolerite hosted zone in the footwall of Big Sky is also a positive. This could be the southern extension of the same dolerite unit identified to the north on the Evolution JV. Gold can be hosted in many different rock types on the Yilgarn but dolerites are one of the most prolific host lithologies for large deposits. We are drilling full steam ahead to deliver a maiden resource for Big Sky in Q2 2022. It’s an exciting area and we look forward to updating the market with further results as assays are received.”
The Big Sky gold anomaly at Musgrave’s flagship Cue Project is defined over 2.6km of continuous strike, and is located approximately 2km south-west of Break of Day.
Musgrave’s infill resource definition RC drilling is continuing to test the continuity, grade, and down dip extent of Big Sky mineralisation in weathered and fresh basement rock.
The company reports that RC drilling south-west of Lena within the new 7km-long gold corridor is continuing to intersect significant gold mineralisation below thin transported hardpan cover at Big Sky.
Resource delineation drilling is continuing at Big Sky, together with infill drilling at Target 14 and RC drill testing of new Starlight-type targets along the Break of Day trend.
Assay results remain pending for a large number of drill holes across the Cue Project.
Images: Musgrave Minerals Ltd