Basin no.

Ar (km²)

At (km²)

AF

Lithology of the valley floor

Class

1

43

66

15

Andesitic Lava, Pyroclastic and tuff

1

2

90

192

3.2

Andesitic Lava, Pyroclastic and tuff

2

3

8

13

11

Andesitic Lava, Pyroclastic and tuff

1

4

10

21

2

Andesitic Lava, Pyroclastic and tuff

3

5

9.5

20.3

3

Andesitic Lava, Pyroclastic and tuff

3

6

12

22

5

Andesitic Lava, Pyroclastic and tuff

2

7

9

17

2.9

Andesitic Lava, Pyroclastic and tuff

3

8

28.9

66

6.2

Andesitic Lava, Pyroclastic and tuff

1

9

13

38

16

Andesitic Lava, Pyroclastic and tuff

1

10

6.1

13.8

5.8

Conglomerate and tuff

2

11

31

57

5

Shale, Sandstone and Conglomerate

2

12

13

30

7

Conglomerate, Limestone and Dolomite

1

13

18.9

43.1

6.1

Conglomerate, Limestone and Dolomite

1