Rock type

Gabbro

Amphibolite

Sample number

RHO3

RHO5a

RHO5b

GBA6

Major elements (wt%)

SiO₂

50.30

50.80

49.90

48.00

Al₂O₃

17.40

9.29

13.70

15.10

Fe₂O₃

8.70

9.47

8.19

13.30

MnO

0.13

0.17

0.15

0.20

MgO

6.54

11.10

9.40

6.14

CaO

9.88

13.90

14.00

10.30

Na₂O

3.65

2.07

2.28

3.52

K₂O

1.05

0.47

0.45

0.89

TiO₂

0.68

0.97

0.54

1.26

P₂O₅

0.05

0.39

0.10

0.11

LOI

1.23

0.99

1.17

0.72

Total

99.61

99.62

99.88

99.54

Mg#

0.46

0.57

0.56

0.33

Trace elements (ppm)

Ba

278

412

103

452

Co

8.3

7

44.7

6.8

Cu

25.4

25.9

75.3

41.4

Ga

22.6

19.8

10

18.1

Hf

4.1

5

1.9

6.7

Nb

6

6.7

3.8

17.8

Ni

7.9

5.4

20.4

5

Pb

1.8

1.4

1

2.6

Rb

61.6

69.2

17.5

70.5

Sr

469.6

466.8

277.2

413.1

Ta

0.5

0.6

0.2

2

Th

2.4

3.5

0.9

9.3

U

1.2

0.8

0.7

2.8

V

53

37

208

43

Y

19.8

7.5

27.9

21.6

Zn

63

83

19

77

Zr

180.3

210.6

72.7

270.2

La

33.6

35

35.3

53.5

Ce

44.4

64.8

52.9

97.3

Pr

7.27

6.89

10.03

10.48

Nd

28.7

24

42.2

38.7

Sm

5.49

3.59

8.35

6.27

Eu

1.55

0.98

2.04

1.42

Gd

5.47

2.68

7.84

5.4

Tb

0.71

0.36

1.03

0.74

Dy

3.68

1.67

5.51

3.95

Ho

0.65

0.26

0.98

0.69

Er

1.69

0.72

2.45

1.89

Tm

0.2

0.08

0.31

0.25

Yb

1.16

0.54

2.13

1.5

Lu

0.19

0.08

0.3

0.22

ƩREE

134.76

141.65

171.37

222.31