Rock type

Mnz-bearing dikes

Grt-bearing granite

Bt-bearing granite

Kfs-granite

Sample

R3/2.0

R3/4.0

R7/3.5

R8/17.5

R14/3.8

R12/7.0

R2/54.0

R9/30.0

R16/4.10

R16/7.1

R16/9.1

R7/5.5

R8/5.5

R9/8.0

Na2O

6.5

5.9

5.5

6.0

6.6

5.3

4.4

3.6

4.9

4.2

4.4

3.02

2.43

2.83

MgO

0.1

0.1

0.1

0.1

0.1

0.6

0.5

1.5

0.5

0.4

0.5

0.07

0.11

0.12

Al2O3

21.3

20.0

18.7

19.4

22.3

18.3

17.7

15.5

17.7

17.2

17.7

14.9

14.2

14.8

SiO2

64.6

59.8

66.7

66.8

59.2

65.6

67.0

68.3

67.0

68.1

67.0

73.9

74.9

73.8

P2O5

0.4

2.3

0.3

0.7

1.6

0.1

0.1

0.1

0.1

0.1

0.1

0.05

0.05

0.07

K2O

1.1

1.2

1.9

0.9

1.4

1.1

2.7

2.0

1.3

2.8

2.7

6.46

6.86

6.43

CaO

4.3

4.0

3.7

3.9

4.2

2.9

2.6

2.9

2.8

2.4

2.6

0.68

0.55

0.70