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Environmentally aware mining and trading company that is the leading exporter of Coltan in Africa Más Detalles Sierra Leone complies fully with this legislation and currently two of the biggest coltan off-takers are actively looking at Sierra Leone as a

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WA tantalum mining industry in crisis Mobile phone May 8 2009 In central Africa tantalum is extracted from an ore called coltan short for and now indicted war criminal Charles Taylor in Sierra Leone

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May 12 2018· Sierra Leone's Ministry of Mines and Mineral Resources in concert with line Ministries Departments and Agencies of Government has slammed an immediate suspension on the illegal mining trading and export of Zircon and Coltan

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Coltan in Sierra Leone is a fairly recent discovery The Director General of the Mines Department of the country recently described coltan as the new kid on the block on the Sierra Leone mineral landscape

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ARWEST AFRICA MINERALS LIMITED Geological exploration at all target mining areas in Sierra Leone confirmed viability of the coltan ore for several upcoming years

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It was an ore called Columbite-tantalite coltan for short one of the the gems helped finance civil wars in Sierra Leone Angola and Liberia More detailed Coltan Columbite Tantalite Ore By Gombu Kanu SL Ltd USA

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Vatic Ventures Corp TSXV VCV is pleased to announce that it has entered into negotiations with a private Sierra Leone company to earn a majority interest in a columbite-tantalite coltan property in the Kono district eastern Sierra Leone Africa

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This is because in Central Africa coltan is a conflict mineral — not unlike blood diamonds in Sierra Leone and Liberia — and are controlled by armed rebels and gangsters in connection with

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The new kid on the old block Coltan conflict-prone minerals and post-war reconstruction in Sierra Leone

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coltan in sierra leone coltan mining sierra leone YouTube More details http //lime kiln manufacturer stonemining net/contact/ Get the price of coltan mining sierra leone http Sierra Leone complies fully with this legislation and currently two of the biggest coltan off-takers are actively looking at Sierra Leone as a potential source

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The Mining of Coltan coltan is a conflict mineral — not unlike blood diamonds in Sierra Leone and Liberia — and are controlled by armed rebels and gangsters

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Sierra Leone As Wilkinson Hill Mining Company Gets Licensedirector Vows to Reduce Illegal Purchase of Coltan

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The Congo s blood metals The coltan mines in the east are The companies involved in buying Sierra Leone s diamonds only located their consciences when

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