- Industry: Mining
- Number of terms: 33118
- Number of blossaries: 0
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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 scratches on faulted surfaces caused by forced movement of particles or projecting hard points against the fault walls. They may indicate the direction of movement on the fault. Compare: slickensides
Industry:Mining
The screening of solid materials of different sizes without the aid of water.
Industry:Mining
The screw thread of common use, formerly known as the United States Standard thread.
Industry:Mining
The sealing off of salt-water-bearing formations to prevent harmful underground water pollution. This is ordinarily done by cementing.
Industry:Mining
The seaward return flow, near the bottom of a sloping beach, of water that was carried onto the shore by waves. Compare: rip current
Industry:Mining
The seaward return of the water following the uprush of waves. For any given tide stage, the point of farthest return seaward of the backrush is known as the limit of backrush or limit of backwash.
Industry:Mining