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United States Bureau of Mines
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 ...
To make a reconnaissance of; esp. to make a preliminary survey of an area for military or geologic purposes.
Industry:Mining
To measure the angle between directions with a surveying instrument.
Industry:Mining
To mine a stope from working below.
Industry:Mining
To mine ore in such as way that it runs down a slope to a chute or loading level. Ore is said to be rilled to a chute when it is rolled down a slope left in mining.
Industry:Mining
To mix atmospheric air with combustible gases or other gases so as to make them harmless.
Industry:Mining
To move a drilling machine away from the borehole collar by sliding it on its base, using the rack-and-gear pinion to facilitate moving the machine.
Industry:Mining
To move bit and drill stem backwards away from the borehole bottom while the drill stem is rotated.
Industry:Mining
To move live workers or dead bodies from a mine after a mine disaster. Sometimes called recover. The latter applies esp. to putting the mine in shape for operation again.
Industry:Mining
To obstruct the flow of, as steam to an engine esp. by a throttle valve.
Industry:Mining
To oppose the granting of a patent to a mining claim.
Industry:Mining
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