Main takeaway

The useful comparison is not the average across every rock sample. The useful comparison is the material the company says it wants to target.

Sample Group N Median REE (%) Median Thorium (ppm) Median Arsenic (ppm) Median Lead (ppm) Median Uranium (ppm) Median U + Th (ppm)
Other samples (REE < 10%) 401 0.0 11.3 18 10.0 2 13.5
High-grade samples (REE >= 10%) 24 12.8 406.0 78 110.5 1 407.6

Rare earth concentration

Thorium

Arsenic

Lead

Uranium plus thorium

High-grade samples vs lower-grade samples

Top thorium samples

Top arsenic samples

Top lead samples

Top uranium samples

Key sample distributions