Rock Type

(Φ %)

(SW %)

GOOD ROCK

100 - 5/8

25 - 0

FAIR ROCK

100- 5/8

50 - 25

POOR ROCK

5/8 - 5/4

50 - 0

DENSE ROCK

5/4 - 0

100 - 0

WET ROCK

100- 5/4

100 - 50