(b)

Average phase

Weight %

1

Orthoclase

40.80 ±5.3

2

Albite

22.79 ±1.5

3

Anorthite

15.79 ± 1.7

4

Green hornblende

1.54 ± 0.6

5

Augite

9.17 ± 1.8

6

Biotite

2.92 ± 0.3

7

Muscovite

0.14 ± 0.0

7

Quartz

1.10 ± 0.1

Total

96.0