Tungsten Ore Industry Developments-VI

In mid-2013, the Australian based company, Elementos Ltd (Elementos), acquired the Cleveland Tin project via a merger with the unlisted Rockwell Minerals Ltd (Rockwell), which previously controlled, and owned 50% of project. The Cleveland project in northwest Tas, 60 kilometres southwest of Burnie, includes the underground tin-copper (Sn-Cu) Cleveland mine which was mined by Aberfoyle Ltd between 1968 and 1986 and produced approximately 23.5 kt Sn and 9.7kt Cu. The mine closed because of low tin prices in the late 1980s. The Cleveland project also includes a large low-grade Sn-Cu tailings dam, as well as the Foley Zone tungsten deposit. The company has indicated it plans to undertake further drilling to test for extensions of tin and tungsten deposits. It also indicated in late 2013 that it had initiated a pre-feasibility study to assess the development potential of the hard rock and tailings dam tin and copper resources. The study, which is due for completion in the second quarter of 2014, will be based on a recently released (April 2013) JORC Code compliant resource for the Cleveland mine totalling 6119 kt at 0.68% Sn and 0.25% Cu, containing 42 kt of Sn. This includes Indicated Resources 4239 kt at 0.70% Sn and 0.28% Cu (contained 30 kt of Sn). A JORC Code compliant Inferred Resource of 3980 kt at 0.30% WO3, for a contained 12 kt of WO3, has been calculated for the associated Foley Zone tungsten deposit. Tungsten occurs as wolframite hosted within a quartz stock-work.

 

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