WMG hit 140m at 0.49% Ni at Mulga Tank

WMG hit 140m at 0.49% Ni at Mulga Tank

October 31, 2023 Off By Tom Duggan

Western Mines Group‘s latest assays have returned broad intersections of disseminated nickel mineralisation with elevated Ni and S and highly anomalous Cu and PGE at its Mulga Tank project and the nickel frontier of Western Australia’s Eastern Goldfields.

Hole MTD028 returned 466m at 0.35% Ni, 139ppm Co, 63ppm Cu, 43ppb Pt+Pd with S:Ni 1.0 and showed further compelling evidence for an extensive magmatic nickel sulphide mineral system with heavy mineralised intersections downhole including a headline 140m at 0.49% Ni.

WMG Managing Director Dr Caedmon Marriott said the company continued to see better results and these were the broadest and highest-grade assays of disseminated mineralisation yet seen at Mulga Tank

“Shallow mineralisation in top ~300m was again observed in this hole, though it was somewhat broken up or effected by the overprint of faulting and later stage dolerite dykes/sills in this area. Overall, it is positive for the ongoing RC drilling program testing the continuity of this zone across the main body of the Complex,” Dr Marriott said.

“The results showed a cumulative 466m at 0.35% Ni, which included 140m at 0.49% Ni from 874m to the basal contact of the intrusion. High-tenor remobilised massive sulphide veinlets were seen through-out this zone as well as in surrounding holes MTD012, MTD013, MTD022 and MTD023.

“This further confirms the basal contact of the intrusion to be highly prospective for massive sulphides and our belief this is likely a hybrid Type 1/2 mineral system more akin to Perseverance – with both disseminated and massive components.”

Perseverance stood as one of the world’s largest deposits with reserves of 45 million tonnes of ore at 2.05% nickel, with the heavily disseminated ores in the central zone covered by a weakly disseminated sulphide sheet at 0.5 to 0.7% nickel.

And WMG is starting to see a potential lookalike emerging at its flagship project after assembling a 425 square kilometre position over an underexplored Minigwal Greenstone Belt to discover an extensive working magmatic nickel sulphide mineral system.

The landholdings cover the entire Ultramafic Complex and its continued results have done little to dissuade WMG, with four deep diamond holes now each sitting up to 1000 metres apart and highlighting extensive mineralisation.

Hole MTD028

  • 16m at 0.31% Ni, 139ppm Co, 16ppm Cu, 19ppb Pt+Pd from 134m
  • 30m at 0.30% Ni, 124ppm Co, 10ppm Cu, 15ppb Pt+Pd from 158m
  • 20m at 0.27% Ni, 116ppm Co, 29ppm Cu, 21ppb Pt+Pd from 219m
  • 24m at 0.27% Ni, 111ppm Co, 23ppm Cu, 21ppb Pt+Pd from 282m
  • 120m at 0.32% Ni, 137ppm Co, 65ppm Cu, 44ppb Pt+Pd from 410m
  • 116m at 0.27% Ni, 127ppm Co, 59ppm Cu, 39ppb Pt+Pd from 630m
  • 140m at 0.49% Ni, 161ppm Co, 92ppm Cu, 61ppb Pt+Pd from 874m
    inc. 82m at 0.55% Ni, 173ppm Co, 114ppm Cu, 74ppb Pt+Pd from 886m

Cumulative results

  • MTD023 cumulative 693.5m at 0.28% Ni, 128ppm Co, 61ppm Cu, 27ppb Pt+Pd with S:Ni 1.1
  • MTD026 cumulative 840m at 0.28% Ni, 140ppm Co, 103ppm Cu, 24ppb Pt+Pd with S:Ni 1.6
  • MTD027 cumulative 694m at 0.31% Ni, 141ppm Co, 68ppm Cu, 30ppb Pt+Pd with S:Ni 1.0
  • MTD028 cumulative 466m at 0.35% Ni, 139ppm Co, 63ppm Cu, 43ppb Pt+Pd with S:Ni 1.0

WMG Mulga Tank Map 1

Assay results for disseminated sulphide mineralisation in the Mulga Tank Ultramafic Complex

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