- 行业: 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 ...
A shaking table, toggle-actuated, with its deck supported in slipper bearings, and carrying curved riffles.
Industry:Mining
A shale containing bituminous material; coaly shale. Compare: oil shale
Industry:Mining
A shale that easily separates on weathering into thin layers or laminae suggesting sheets of paper; it is often highly carbonaceous.
Industry:Mining
A shallow hole, 2 to 3 ft (0.6 to 0.9 m) in diameter, put down to test shallow minerals or to establish the nature and thickness of superficial deposits and depth to bedrock.
Industry:Mining
A shallow iron truck with movable sides into which the slag of a furnace flows from the cinder runner.
Industry:Mining
A shallow troughlike depression at the surface resulting from subsidence.
Industry:Mining
A shallow, intermittent lake in an arid or semiarid region, covering or occupying a playa in the wet season but drying up in summer; an ephemeral lake that upon evaporation leaves or forms a playa.
Industry:Mining
A shallow, intermittent lake in an arid or semiarid region, covering or occupying a playa in the wet season but drying up in summer; an ephemeral lake that upon evaporation leaves or forms a playa.
Industry:Mining
