Cooper Metals Limited (ASX: CPM) has announced significant assay results confirming a new copper discovery at the Brumby Ridge Prospect within the Mt Isa East Cu-Au Project.
The latest assays reveal ‘bonanza’ copper grades in drill hole 23MERC028, returning 71m @2.8% Cu & 0.05 g/t Au from 115m to end of hole at 186m, including 24m @5.4% Cu and 0.10g/t Au from 115m. The hole ended in mineralization with 3m @1.88% Cu.
This new result builds on the initial RC drill hole 23MERC024, which intercepted 50m at 1.32% Cu and 0.05g/t Au from 80m including 2m @ 6.1% Cu & 0.23g/t Au.
RC hole 23MERC030 was drilled closer to surface, just NW of 23MERC028 and intersected the top of the breccia zone returning 115m @ 0.37% Cu from 86m with several elevated zones.
Mineralization at Brumby Ridge Prospect is open in all directions and appears to increase in copper and gold grade with depth. RC drilling is complete at Brumby Ridge and Raven Cu-Au Prospects, with assay results pending for four drill holes at the Raven Cu-Au Prospect.
A downhole electromagnetic survey (DHEM) is in progress at Brumby Ridge and Raven Prospects, with results expected in December.
Cooper managing director Ian Warland commented, “71m at 2.8% Cu, with a higher-grade intersection of 24m at 5.4% Cu could be the start of a significant discovery at Brumby Ridge for Cooper Metals. Of the five drill holes to date, three have hit significant mineralization and finished in mineralization. DHEM is being trialled at the Brumby Ridge and Raven Prospects, along with plans to conduct a larger program of RC and diamond drilling at Brumby Ridge in first quarter 2024, chasing the higher-grade mineralization at depth and along strike. This whole Prospect area is well located, just down the road from Mt Isa township and will continue to be our main focus going in to 2024.”
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