Mining Terms Flashcards
The mass of ore deposited in a vein. It consists of the most valuable part of the ore deposit. It is also the area of concentration containing primary ore along the veins present in the rocks.
Ore Shoot
It is an exceptionally large and rich mineral deposit (as of an ore, precious metal, or petroleum)
Bonanza
A horizontal plug of rock of variable geometry that is situated above the uppermost underground workings of a mine, and that serves to ensure permanently or temporarily the stability of surface elements and underground workings.
Crown (Pillar)
A hole made in the floor of a level in a working, in the direction of a lower level either for the purpose of testing the trend of an ore vein, or for the purpose of ventilation
Sump