Niocorp Developments Ltd (NB)

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How big is CBMM ?

Niobium Resources
As of December 2012, mineral reserves in the residual ore totaled nearly 808 million tonnes with an average of 2.3% Nb2O5.

Fresh rock mineral resources were estimated at approximately 1.8 billion tonnes with an average of 1.5% Nb2O5. Evidence collected from drill holes to a depth of 820 meters still intersect mineralized rock, indicating the likelihood that additional reserves probably extend even deeper.

Considering the current market, the mineral resources in Araxá measured in the residual ore and potentially existent in the fresh rock indicate that CBMM will be able to supply the world demand for niobium products for many decades to come.

The ore is friable and the mining operations are carried out in an open pit with no need of explosives. The thickness of the residual ore reaches 250 meters.

http://www.cbmm.com.br/en/Pages/geology.aspx