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Montero Mining files resource estimate on the Uis Lithium-Tin Tailings Project in Namibia

Mining News - Published on Fri, 15 Mar 2019

Image Source: GlobeNewswire
Montero Mining and Exploration Ltd has filed its maiden lithium and tin resource estimate for the Uis Tailings Project on SEDAR and posted to the Montero website. The Project is located in Namibia and consists of large coarse sands and fine slimes tailings waste deposits on surface. The tailings material represents the waste processed material derived from the Uis pegmatite tin mine, the largest tin mine in Africa, prior to its closure in 1990. The independent estimate was prepared by Deloitte Technical Mining Advisory. The Nl 43-101 Mineral Resource estimate is based on the preliminary drilling program of 63 air core drill holes on the coarse and fine tailings waste material. The quantity and grade of coarse and fine material for six tailings deposits (Zones A to E) were estimated by ordinary kriging. Two commodities were considered in the estimation of the Mineral Resources, lithium (U2O) and tin (SnC>2). Zone A represents the largest tailings deposit and contains coarse tailings material, whilst Zones B to E and Zone A fines represents the fine tailings material. A total Inferred Mineral Resource of 14.4 million tonnes at 0.37% Li02 and 17.1 million tonnes at 0.05% Sn02 is estimated. Insufficient test work on lithium extraction has been completed on the 2.71 million tonnes of fine tailings material (Zones A4, B, C, D and E) to include this lithium in the resource estimate at this time. Commodity price, product, mining and processing costs and recoveries and mining parameters and assumptions informed the determination of cut-off grades.

The inferred mineral resource estimate at Uis Tailings Project is encouraging as it supports the presence of a significant quantity of lithium and tin material that is amenable to extraction.

Dr Tony Harwood, President and Chief Executive Officer of Montero, commented, “Montero's initial Resource estimate is reported as 14.4 million tonnes at 0.37% lithium as Li20 and 17.1 million tonnes at 0.05% tin as Sn02. This represents 53,280 tonnes of lithium as U2O and 8,550 tonnes of tin as Sn02. Further in-fill drilling and metallurgical test-work will be required to upgrade the Inferred resource to an Indicated resource. Montero is evaluating early production scenarios with potential partners in order to meet expected demand with the growth ofEV's and battery metals requirements."

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Posted By : Rabi Wangkhem on Fri, 15 Mar 2019
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