Minerals (%)

Samples

LM

ML

NY

BL

SB

WM

WB

BY

OD

TK

RG

Opaque

40

32

34

38

40

40

30

30

28

27

32

Zircon

6

8

10

9

8

5

17

6

23

10

25

Green hornblende

10

6

14

8

14

18

13

14

12

13

16

Brown hornblende

2

5

7

5

/

6

3

2

4

3

3

Sillimanite

8

6

10

9

9

8

5

8

7

12

12

Tourmaline

12

5

7

5

6

7

8

9

11

10

12

Rutile

8

2

5

3

/

1

2

2

3

4

/

Biotite

6

15

8

12

15

12

8

13

4

11

/

Muscovite

4

15

/

6

8

/

10

11

5

8

/

Sphene

/

3

/

/

/

1

2

4

3

/

/

Glaucophane

/

2

/

/

/

1

/

/

/

/

Staurotide

2

/

4

/

/

/

/

1

/

/

/

Garnet

/

1

1

3

/

2

1

/

/

/

/

Hyperstene

2

/

/

2

/

/

/

/

/

2

/