Golden Deeps exposes more copper in world-class Namibian belt
- Helen Barling
- Sep 12
- 3 min read
Aussie explorer Golden Deeps Limited (ASX: GED) has exposed more copper along an emerging two-kilometre critical metals corridor at its Graceland prospect in Namibia’s world-class Otavi Mountain Land metallogenic belt.
The company has cut a further five channels across its Gossan 1 East zone, which previously returned a suite of eye-catching results, including 7792 grams per tonne (g/t) silver and 47.3 per cent copper, along with 13.8 per cent copper, 171g/t silver and 224g/t germanium.
Rock chip samples have already produced very high grades of copper, silver, zinc, lead, germanium and antimony, which could all soon be on the United States’ critical minerals list. The US Geological Survey has proposed copper, lead and silver are added to the list given their significance in high-technology and renewable energy industries.
Golden Deeps said today that its latest trenching at Graceland has revealed semi-massive zones, veins and patches of malachite and chalcocite derived from primary copper mineralisation in zones up to five metres thick.
Along strike, an additional four trenches were cut and sampled at the newly identified G1 West Extension zone across a 100m-long outcrop. Veins and patches of malachite, chalcocite and native copper were observed across widths of up to 6m.
The company’s newly identified G1 West Extension zone sits at the far western margin of the 2km mineralised corridor at Graceland – and remains wide open to the west.
The company has dispatched the channel samples to Intertek’s laboratories in Namibia for sample preparation. Samples will also be sent to Intertek’s Perth laboratory for multi-element analysis.
Golden Deeps has boots on the ground, extending soil and rock chip sampling to the south and west to follow-up occurrences flagged in Namibian Geological Survey mapping and to vector in on additional mineralised targets.
Additionally, the company says logistical planning is well advanced ahead of an induced polarisation-resistivity geophysical survey slated to commence in the coming weeks.
The high-powered survey will sweep across the 2km-long stretch at Graceland and is designed to probe the high-grade copper, silver and germanium-rich mineralisation to depths of 300m.
Golden Deeps has its foot on a prime 440-square-kilometre patch of Namibia’s Otavi Mountain Land metallogenic belt, which is home to the Tsumeb mine, which churned out a massive 27 million tonnes of material grading 4.3 per cent copper, 13.5 per cent zinc-lead, 95g/t silver and 50g/t germanium.
Interestingly, early sampling results and field observations at Graceland are displaying the same trademark signatures of the legendary Tsumeb deposit.
The results generated from the large-scale IP survey, which is set to commence shortly, will be modelled and combined with channel and rock chip sampling results to generate drilling targets for both near-surface and deeper Cu-Ag-Zn-Pb-Te ‘Tsumeb-style’ sulphide drilling targets.
Golden Deeps Limited CEO Jon Dugdale
The company is progressing a string of advanced base and critical metals projects on its highly prospective Otavi Mountain Land tenements to upgrade the mineral resource estimates for its Abenab high-grade vanadium project, the Nosib vanadium-copper-lead-silver-gallium deposit and the Khusib Springs silver-copper-zinc-lead deposit.
Silver is increasingly recognised as a future-facing metal, critical to the global energy transition. Its unmatched conductivity makes it essential for solar photovoltaics, electric vehicle wiring and charging infrastructure, wind turbines and power grids. Beyond clean energy, silver is a key component in electronics, 5G and semiconductors, which is driving strong industrial demand for the metal and underpinning its inclusion on emerging critical minerals lists.
The price of the precious silver metal broke the US$40 (A$60) per ounce barrier earlier this month to reach a 13-year-high, driven by supply deficits and increasing demand from the clean energy sector.
Golden Deeps is primed for a step-change at Graceland, with channel sampling and an imminent IP survey expected to deliver 3D drill targets for Tsumeb-style copper, silver, zinc, lead and germanium sulphide systems. Hosting every key metal on the US critical minerals list, Graceland is emerging as a globally significant critical metals play, which could be positioned to leverage surging demand from the energy transition and tight supply markets.
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