(a)

Average phase

Weight %

1

Orthoclase

43.43 ± 5.2

2

Albite

24.45 ± 4.7

3

Anorthite

16.39 ± 5.1

4

Augite

9.87 ± 3.7

5

Green hornblende

1.38 ± 2.1

6

Biotite

3.24 ± 2.0

7

Quartz

1.18 ± 1.5

Total

100.1