S/NO

A/CNK

A/NK

K₂0/Na₂0

Ba/Rb

Rb/Sr

Rb/Cs

K/Rb

Nb/Ta

1

1.22

1.23

1.8

1.5

12.0

58.5

233.0

19.4

2

1.42

1.46

0.2

0.7

0.6

43.9

327.1

8.0

3

1.20

1.22

2.6

0.2

20.2

33.1

179.7

6.4

4

1.24

1.34

0.1

0.9

0.6

0.5

574.5

3.1

5

1.15

1.18

1.7

0.7

7.7

25.5

211.3

12.5

6

1.36

1.45

0.1

0.4

3.2

0.6

161.3

1.3

7

1.18

1.24

0.6

5.9

1.3

21.6

362.4

10.4

8

1.56

1.59

0.1

0.2

26.3

35.8

72.7

3.2

9

1.24

1.38

2.7

1.4

3.2

12.8

173.5

3.9

10

1.61

1.64

0.1

0.3

25.8

35.1

74.1

2.4

11

1.13

1.26

3.2

1.2

3.5

14.1

176.8

4.8

12

1.17

1.30

3.0

1.3

3.5

13.7

177.2

4.5

13

1.67

1.70

0.5

0.0

141.2

29.5

23.8

2.5

14

2.31

2.33

10.1

0.0

117.6

15.7

32.7

0.9

15

1.20

1.33

2.9

1.3

3.5

13.2

174.2

5.0

16

2.46

2.50

9.7

0.0

125.0

16.1

30.2

0.7

17

1.41

1.60

2.2

1.6

2.8

10.9

160.6

3.9

18

2.18

2.21

10.3

0.0

133.3

15.8

31.5

0.5

19

1.43

1.79

1.2

5.5

0.7

45.2

296.1

11.5

20

1.64

1.67

0.1

0.2

26.6

34.7

77.0

2.8

21

1.21

1.34

3.0

1.3

3.4

13.4

180.1

3.9

22

1.27

1.43

2.9

1.2

3.5

13.8

162.4

2.6

mean

1.47

1.55

2.68

1.18

30.26

22.89

176.92

5.19