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 |