main types of horizontal development Flashcards
1
Q
drifts
A
openings that go into the stopes perpendicular to the strike
2
Q
drives
A
primary openings in the ore just for dill/blasting
3
Q
haulage levels
A
drive that occurs at the bottom of the stope in the ore
4
Q
ramps
A
decline is the main way to service the mine