Niobium Mining
The three largest producers of niobium ore are mining pyrochlore deposits. The largest deposit in Brazil is the CBMM mine located south of Araxá, Minas Gerais, followed by the deposit of the Catalão mine east of Catalão, Goiás. The third largest deposit of niobium ore is Saint-Honore mine west of Saint-Honore near Chicoutimi, Quebec.
Pyrochlore ore typically contains greater than 0.05% of naturally occurring radioactive uranium and thorium.
Read more about this topic: Pyrochlore
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“It’s a mining town in lotus land.”
—F. Scott Fitzgerald (1896–1940)