Uis mine makes Andrada owner of the largest tin assets globally


The discovery of additional pegmatites that provide about 128 million tons of ore with gross combined content of 170 kt of tin at Uis Tin Mine in Namibia makes Andrada the owner of the largest tin asset globally.

Andrada owns Uis Tin Mine, Brandberg West, Nai-Nais and B1C1 in Namibia.

Anthony Viljoen, the Andrada chief executive officer Anthony Viljoen revealed that his company now owns the largest tin assets globally.

Viljoen's comments came when Andrada announced on Jan. 23 a new inferred mineral resource estimate of 57.18 million tons of ore.

This new inferred mineral resource estimate is over 11 historically mined pegmatite bodies within a three-km radius of the existing processing plant.

The company said the ore has an average grade of 0.131% tin and contains 74,857 tonnes of tin metal.

Viljoen said the inferred resource that uses historical drill data significantly advances Andrada's total mineral inventory towards management's internal mineral resource target of at least 200 Mt of mineralisation. 

Andrada said it would carry out a confirmatory drilling programme to improve the tin resource classification and to evaluate the lithium and tantalum potential.

On 16 September 2022, Andrada announced a maiden mineral resource estimate of 71.54 Mt of ore based on information derived from 141 historical and 26 confirmatory drill holes.

Viljoen said Andrada could compound its economies of scale and position itself as one of the lowest-cost tech-metal producers in the next five years.

"The existing mineral reserve that is currently being mined, as well as the ongoing infill drilling programme over the entire mining licence, has also shown the potential of lithium mineralisation contained within the same pegmatites," Viljoen said. 

He added that Andrada looks forward to completing the work required to bring lithium into production and expanding the infill drilling programme to explore the huge opportunity lithium presents as a co-product revenue stream with the tin operation in the coming months. 


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