Golden Deeps Limited has consolidated its position in Namibia’s Otavi Critical Metals Belt with a suite of new and updated mineral resource estimates that reaffirm the region’s reputation as one of the world’s most mineral-rich terrains.
The company now holds four defined deposits across the belt — Khusib Springs, Abenab, Nosib, and Border — collectively showcasing a diverse portfolio of copper, silver, zinc, lead, vanadium, and rare metals such as gallium, germanium, and antimony.
These deposits not only expand Golden Deeps’ critical metals inventory but also highlight the Otavi Belt’s growing potential to re-emerge as a modern counterpart to the historic Tsumeb mine, once famed for its high-grade polymetallic ore.
Together, they mark a pivotal step in turning decades of geological promise into tangible, JORC-compliant mineral wealth and long-term development opportunities.
At the Khusib Springs deposit, the company has reported a new resource estimate of 492,000 tonnes grading 116 grams per tonne silver equivalent, containing about 1.9 million ounces of silver equivalent.
This includes an indicated resource of 78,000 tonnes at 353 grams per tonne silver equivalent, translating to 0.9 million ounces of contained silver equivalent.
The remaining 414,000 tonnes are classified as inferred, with grades of 73 grams per tonne silver equivalent, representing another 1 million ounces of contained metal.
The resource incorporates copper, zinc, lead, and silver credits, with silver equivalent grades calculated using conservative metallurgical recovery assumptions and pricing.
At Abenab, Golden Deeps announced a new, majority-indicated vanadium-rich mineral resource of 2.3 million tonnes at 1.11 per cent vanadium pentoxide equivalent.
This includes an indicated portion of 1.15 million tonnes at 1.34 per cent vanadium pentoxide equivalent and an inferred portion of 1.15 million tonnes at 0.88 per cent.
The resource contains significant concentrations of lead, zinc, and copper, underlining Abenab’s potential to contribute high-grade vanadium and base metals to the company’s growing critical minerals inventory.
The company also unveiled a maiden mineral resource for the Nosib deposit, totalling 707,660 tonnes at 1.06 per cent copper equivalent.
The deposit contains multiple mineral zones, including a measured resource of 51,560 tonnes at 4.36 per cent copper equivalent, an indicated resource of 582,170 tonnes at 0.77 per cent, and an inferred resource of 73,930 tonnes at 0.94 per cent.
Nosib hosts copper, vanadium, lead, zinc, and silver, making it one of the most diverse polymetallic systems within the Otavi Belt.
In addition, Golden Deeps confirmed a JORC-compliant mineral resource for the Border zinc–lead deposit, part of the Central Otavi Project.
The resource is estimated at 16 million tonnes grading 2.12 per cent combined zinc and lead, with 4.76 grams per tonne silver.
This equates to about 330,000 tonnes of contained zinc and lead metal, including 246,000 tonnes of zinc, 95,000 tonnes of lead, and 2.5 million ounces of silver.
The resource is entirely classified as inferred at a cut-off grade of 1.25 per cent combined zinc and lead.
Each of these mineral resource calculations was supported by independent metallurgical test work, historical processing data from the nearby Tsumeb operation, and pricing models developed in consultation with South African mining consultants Shango Mining.
Recoveries were based on conservative estimates drawn from comparable polymetallic sulphide deposits within the same district, ensuring that the reported metal equivalents are realistic and achievable under standard processing conditions.
These updated and maiden estimates collectively mark a turning point for Golden Deeps, confirming the Otavi Belt as a district-scale critical metals hub.
With copper, silver, vanadium, lead, zinc, gallium, germanium, and antimony among its targets, the company is positioning itself to meet growing global demand for strategic and battery-related minerals.
The data also reaffirms the geological continuity and high-grade potential of Namibia’s historic Tsumeb–Otavi corridor — once one of the world’s richest polymetallic mining regions, now being redefined through modern exploration and resource modelling.
