Volcanic movements of rock including folding, shearing, compression and expansion
Volcanic movements of rock including folding, shearing, compression and expansion
Removal or clearing of flora
Material used as an electrolyte to disperse mineral particles in a liquid
An unintentional change in the course of drilling
A unit of temperature or angle
Damping an explosion
A gradually descending pathway in a mine, a ramp
The area used for loading personnel and tools into mine cage for descent or ascent
A mix of rock, water, and/or other materials
A barrier to pool water