- 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 claim to which a patent has been secured from the U.S. Government, in compliance with the laws relating to such claims.
Industry:Mining
A claim, exclusive prospecting license, concession, right, or lease. A grant under laws and mining regulations to a person or group of approved persons of the right to develop and exploit a properly delineated area for its mineral wealth.
Industry:Mining
A clamping device used on a drill column by means of which a horizontal arm can be affixed at any point on the vertical section of a drill column.
Industry:Mining
A clamshell-type loader activated by hydraulic cylinders operated from a traveling base suspended on the stage. Used in shaft sinking operations.
Industry:Mining
A class of devices intentionally placed in a borehole to change its course. All such devices are basically long, tapered, concave metal plugs that can be set at a predetermined point and bearing in a borehole to deflect or change its course.
Industry:Mining
A class of devices intentionally placed in a borehole to change its course. All such devices are basically long, tapered, concave metal plugs that can be set at a predetermined point and bearing in a borehole to deflect or change its course.
Industry:Mining
A class of devices intentionally placed in a borehole to change its course. All such devices are basically long, tapered, concave metal plugs that can be set at a predetermined point and bearing in a borehole to deflect or change its course.
Industry:Mining
