- 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 ...
The specified horsepower multiplied by a service factor. It is the value used to select the chain size for a chain drive.
Industry:Mining
The specified maximum number of feet of borehole a single diamond- or other-type bit may be allowed to drill in a specific-type rock, as predetermined by the drill supervisor.
Industry:Mining
The spectrum of light emitted by a substance by heating it in a flame.
Industry:Mining
The speed at which a drill can cut through rock or other material.
Industry:Mining
The speed of a wave in the material concerned, such as the propagation velocity of a detonation wave front traveling through an explosive or the propagation velocity of a seismic wave from a blast traveling through the ground.
Industry:Mining
The speed, generally expressed in lineal feet per second, at which a fluid or gas travels upward in a borehole after passing the face of the bit.
Industry:Mining
The splitting of a vein along its dip or strike into two branches, both of which curve away from the general trend and then unite to resume a direction parallel to but not in line with the original trend.
Industry:Mining
The spoil heap at the surface of a colliery, when burning or heated by spontaneous combustion.
Industry:Mining
The spontaneous decay or disintegration of an unstable atomic nucleus, accompanied by the emission of radiation.
Industry:Mining
