Facility
CBMM Araxá Mine & Processing Complex
Operated by Companhia Brasileira de Metalurgia e Mineração (CBMM) →BR · Minas Gerais
World's largest niobium mine and processing complex. Open-pit mining of carbonatite ore body. Production capacity of 150,000 tpy ferroniobium equivalent (expanded from 90,000 tpy). Contains ~70% of world's known niobium reserves. Sustainable at current consumption rates for 200+ years. Site also produces niobium oxide (NbO5) and niobium metal. In November 2024, CBMM opened world's first niobium-based battery anode production facility on this site.
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