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Sierra Leone itself is a class 1 region for mining Coltan, which means that it has the most favorable rating for global trading purposes.
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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.
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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Sierra Leone: As Wilkinson Hill Mining Company Gets Licensedirector Vows to Reduce Illegal Purchase of Coltan
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