Element

Sample

F-09-12^a

H-09-1212^b

Grey gneisses^c

Element content, ppm

Rb

55.51

54.86

83.98

Sr

260.00

162.52

455.56

Y

10.45

13.05

15.82

Zr

145.54

267.37

162.61

Nb

4.90

5.60

8.40

Cs

1.21

1.07

-

Ba

341.96

436.53

717.29

La

27.05

36.20

37.59

Ce

53.39

66.24

72.39

Pr

6.96

8.09

-

Nd

24.12

26.83

29.87

Sm

3.82

3.78

5.07

Eu

1.07

1.01

1.20

Gd

2.94

3.11

4.42

Tb

0.39

0.45

-

Dy

1.92

2.28

3.48

Ho

0.37

0.46

-

Er

1.12

1.28

1.68

Tm

0.19

0.21

-

Yb

1.09

1.37

1.37

Lu

0.16

0.21

0.23

Hf

3.77

6.55

4.73

Ta

0.38

0.42

0.90

Th

8.35

9.43

10.93

U

1.18

1.84

1.96