Weathered pegmatites in Gatumba

Fresh pegmatite in Gitarama

Biotite-muscovite granite in Gitarama

Amphibolite in Gitarama

Sample

Gape01

Gape02

Gape03

Gape04

Gape05

Gape06

Gipe07

Gipe08

Gipe09

RG01

RG02

RG03

RGA01

RGA02

A/CNK

7.65

0.51

0.64

1.19

1.24

0.50

1.05

1.04

1.05

1.02

1.03

1.03

0.56

0.54

A/NK

9.47

1.11

2.43

1.26

1.28

1.11

1.10

1.09

1.09

1.42

1.43

1.43

4.97

5.04

K/Rb

15.74

22.40

16.09

80.26

24.59

22.23

192.00

190.41

199.39

193.12

191.60

181.74

166.02

176.23

K/Cs

666.89

2411.38

550.92

5609.10

3444.94

2204.24

11,137.57

11,418.23

11,700.99

6426.49

6240.72

5843.80

1865.50

1959.35

Rb/Ba

1.90

18.91

7.29

5.83

40.99

20.48

0.36

0.36

0.35

0.17

0.17

0.18

0.13

0.13

Rb/Sr

3.60

3.22

42.83

24.45

196.59

3.21

3.74

3.69

3.64

0.97

0.92

0.95

0.26

0.23

Rb/Cs

42.34

107.61

34.23

69.88

140.08

99.14

58.00

59.96

58.68

33.27

32.57

32.15

11.23

11.11

K2O/Na2O

3.84

0.16

44

0.38

4.70

0.17

3.62

3.64

3.68

1.47

1.40

1.42

0.30

0.29

Nb/Ta

0.81

1.50

1.22

10.69

0.40

2.07

2.62

2.68

3

5.42

6

3.78

0.26

0.27

Zr/Hf

7.50

6.46

10

20

4.02

6.84

2

18.33

25

32.95

34.91

35.58

21.42

24.44