- Industry: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
Ground and sized sponge iron, which may have been purified or annealed or both.
Industry:Mining
Ground that has a temperature below freezing and generally contains a variable amount of water in the form of ice. Compare: permafrost
Industry:Mining
Ground that has ceased to subside over the waste area of a mine and has reached a state of full subsidence.
Industry:Mining
Ground water in material having interstices so small that the water is held permanently to the walls of the interstices, or moves so slowly that it is not available for withdrawal at useful rates. Outside the zone of saturation, material with infinitely small openings can hold water indefinitely against the pull of gravity, whereas within the zone of saturation there is apparently always movement, even though at very low rates.
Industry:Mining
Ground where placer mining can be done; i.e., where valuable minerals can be obtained by digging up the earth and washing it for the valued mineral.
Industry:Mining
Group of electrical exploration methods in which one determines the magnetic field that is associated with the electrical current through the ground.
Industry:Mining
Group of parallel holes, not all charged with explosive, that creates the initial cavity to which the loaded holes break in blasting a development round.
Industry:Mining
Guardplates that prevent loose material from sliding into contact with the wheels or tracks of a digging machine.
Industry:Mining
