REE concentration (ppm); mining tail 1

Element

Sc

Y

La

Ce

Pr

Nd

Sm

Eu

Gd

Concentration

65.8

92.0

156.1

154.0

9.0

21.2

4.0

1.0

7.1

Element

Tb

Dy

Ho

Er

Tm

Yb

Lu

REE total

Concentration

2.0

14.7

4.0

17.2

3.0

25.8

3.0

579.8