Gombu Koko - Trading & Mining of Coltan Sierra Leone West AfricaEnvironmentally aware mining and trading company that is the leading exporter of Coltan in Africa.Sierra Leone: As Wilkinson Hill Mining Company Gets .Jan 29, 2016 . Sierra Leone: As Wilkinson Hill Mining Company Gets Licensedirector Vows to Reduce Illegal Purchase of Coltan . He promised to work closely with the National Minerals Agency (NMA) to reduce and possibly eliminate illegal purchase of Coltan and other sand based mineral concentrates from artisanal.
Sierra Leone - African MINERALSJun 8, 2013 . fore abound in the fields of mineral exploration and mining of a variety of minerals including chromite, iron ore, platinum, gold, diamond, bauxite, rutile, ilmenite, zircon, and rare earth elements such as columbite – tantalite (coltan). Sierra Leone's Agenda for Prosperity identi- fies development of the minerals.Sierra Leone News: 'Minerals sector is growing'- NMA DG « Awoko .Jul 11, 2014 . He said Sierra Leone is richly endowed with mineral resources such as, iron ore, platinum, gold, diamond, bauxite, rutile, ilmenite, zircon, chromite, and rare earth elements such as columbite tantalite (coltan), and the presence of these deposits represents major opportunities for Sierra Leoneans to derive.
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