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AfriTin Mining to revive Uis tin mine in Namibia

Mining News - Published on Thu, 12 Jul 2018

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Mining Review reported that AIM-listed AfriTin Mining plans to revive the once operational Uis tin mine in Namibia once one of the largest tin mines in the world, which still holds the potential to re establish its status once in full-scale operation. The company has most recently undertaken a detailed mine design for the project with hopes to be in production in Q4, 2018, whilst simultaneously advancing its larger project portfolio and locating potential targets for development in the future, says CEO Anthony Viljoen.

The Uis tin project consists of three areas in the Erongo region of Namibia, all with historical production.

The subject of the project is a pegmatite hosted tin deposit, one of the largest open cast deposits of its kind.

The project areas are fully permitted to commence full scale mining and offer near-term production with low stripping ratios. Uis has a non-JORC compliant resource of 73 million tonne at 0.136% tin with an additional 2.7 million tonne at 0.015% tantalum pentoxide.

The Uis tin project is a part of AfriTin Mining’s profile following a de-merger from the highly successful Bushveld Minerals whereby AfriTin acquired its tin assets.

Mr Viljoen notes that “It was formerly the largest hard-rock tin mine in the world and the historical resources places it as one of the top ten tin mines globally. The historic pits still contain a significant amount of resource in the region as recorded during a large scale mapping program.”

Mr Viljoen explains that following the completion of a mapping program and construction of a 3D geological model, the company has undertaken a mine design for the V1 and V2 pegmatite bodies, previously identified as priority targets to supply feed to the new intermediary processing plant.

The mine design includes an initial five-year mine production schedule to commence operations on the outcropping pegmatite bodies and existing excavations of the historical V1/V2 pits.

Mr Viljoen points out that this internal mine plan supports an overburden stripping ratio of less than one and a fast ramp-up profile utilising conventional open pit mining methods.

Mr Viljoen commented that “Conventional opencast mining methods will be adopted with 10 m high mining benches where loading and hauling will be carried out with a fleet of shovels/excavators and dump trucks. Historic excavations display competent pit slope conditions and no groundwater issues.”

Mr Viljoen adds that initial mining will be focused on exposed ore zones within the old mining footprint as well as virgin pegmatite outcrops to keep waste stripping to a minimum.

In addition, Viljoen mentions that the ROM feed to the plant for this phase of development is planned at 500 000 tpa with an anticipated annual production of 800 t of saleable tin concentrate.

The target for the following phase remains 5 000 t of tin concentrate per annum.

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Posted By : Joykumar Irom on Thu, 12 Jul 2018
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