1%） 。 鉭鐵礦的開採造成了刚果民主共和国很多的环境问题及社會問題。 鉭鐵礦石開採與道德議題（英语：Coltan mining and ethics） TANTALITE (Iron Manganese Tantalum Niobium Oxide). Galleries.com ...

mining production of Coltan and Cassiterite. While such small scale mining was important, he said, it led to stakeholders neglecting other naturally occurring minerals. "Rwanda has been blessed with ...

Rebels in eastern Congo have taken control of the Rubaya coltan-mining region, generating significant revenue through a production tax. The M23 movement is accused of benefiting from the mineral trade ...

Rebels in eastern Democratic Republic of Congo have consolidated control over the Rubaya coltan-mining region, imposing a production tax estimated to generate around $300,000 in monthly revenue ...

Congo-K’s market in coltan, a mineral from which tantalum and nobium are extracted, is undergoing a major facelift. With mining officially suspended in the two Kivu provinces since last September in a ...

By Dieudonné Ndanezerewe The announcement of tin and coltan deposits potentially worth tens of billions of dollars ...

Like M23, the Wazalendo are collecting illegal taxes on coltan at roadblocks along transportation routes, as well as from some mining sites. Two Congolese state bodies responsible for regulating ...

Rebels in the eastern DRC generate around $300,000 monthly revenue from a coltan-mining region. ・The M23 movement imposes a production tax and seized the mine in a fierce battle. ・Tantalum ...