There are other sources of REEs in the rest of the world (Table 10.1). Many of the mining projects are years away from any sort of production. This is due in part to the dominance of China and the sense that the rest of the world could not compete at what, until 2011, were historically low REE prices.
Figure 10.4 Criticality matrix for rare earth elements
Source: Green Technology Subtrates (US Department of Energy 2010)
Table 10.1 World mining production and reserves
Source: US Geological Survey
Interestingly if ...