
Midas Minerals’ infill drilling at the T-13 West zone reveals strong copper-silver grades and a zonation pattern that could guide further exploration at the Otavi project. Updated resource estimate due by end of 2026.
Midas Minerals (ASX:MM1) released infill drill results from the T-13 West zone at the Otavi copper-silver project in Namibia. The program is defining higher-grade core zones within a 4.6km-long prospect that had been poorly drilled by previous owners at 200m spacing.
Holes TD13DD017 and TD13DD021 on the Main Zone, plus TD13DD022 and TD13DD025 on the West Zone, returned strong copper and silver grades. Managing Director Mark Calderwood said the continuity of the high-grade portion exceeded expectations, particularly the silver-rich bornite-chalcocite mineralisation.
%The pattern emerging is a zonation from chalcocite to bornite dominance in the high-grade cores, grading to low-silver chalcopyrite at the margins and pyrite in the periphery,% Calderwood said. %This pattern may prove important as we explore for more high-grade core zones within the broader prospect.%
The West Zone, located 500 metres west of the Main Zone, contributed only about 20% of the April 2026 mineral resource estimate, at relatively low grade. Infill drilling at 80m spacing is now turning parts of that low-grade portion into higher-grade material. An updated resource estimate for T-13 is expected by the end of calendar 2026, followed by an initial estimate for the Deblin area in Q1 2027.
Six rigs are currently operating across the project. A seventh rig arrives in July. More assay results are due imminently.
The read-through for the copper-silver exploration space is straightforward. Midas is demonstrating that wider-spaced historic drilling systematically underestimated grade continuity. The zonation pattern Calderwood described could become a vectoring tool for other explorers in the Otavi Mountain Land district, where silver-chalcocite cores have been overlooked by operators targeting only copper.
MM1 shares closed up 4.22% on Wednesday at A$0.865, giving a market capitalisation of A$200.2 million. The next catalyst is the batch of pending assays, which will determine whether the West Zone continuation matches the Main Zone’s grade profile.
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