Layers

Thickness (cm)

Number of pebbles

Long axis (cm)

Short axis (cm)

Top soil

30

Saprolite

100

20

1.6

1.5

1.2

1.3

1.3

0.5

0.6

0.6

0.7

0.5

0.5

0.5

0.6

0.4

0.4

0.3

0.4

0.4

0.3

0.5

0.6

0.4

0.3

0.2

0.3

0.3

0.3

0.3

0.4

0.2

0.4

0.3

0.4

0.2

0.1

0.2

0.2

0.3

0.2

0.2