- 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 factor relating the allowable stress on a long column with that on a short column in order to prevent buckling.
Industry:Mining
The failure of the skin rock of an excavation by crushing, shear, or plastic flow. It can occur on free surface rock with explosive force.
Industry:Mining
The fernlike marking on the upper surface of the metal antimony when well crystallized.
Industry:Mining
The figure of the Earth considered as a sea-level surface extended continuously through the continents. It is a theoretically continuous surface that is perpendicular at every point 1346 to the direction of gravity (the plumb line). It is the reference for astronomical observations and for geodetic leveling.
Industry:Mining
The filing of a claim for public land to obtain the right to any minerals it may contain.
Industry:Mining
The fill required, less the cut required, at a particular station or part of a road.
Industry:Mining
The filling of the waste by means of compressed-air blower. The blower is usually located close to the stowing machine and operated at a pressure below 15 psi (103.4 kPa). For light duties, only one blower is required to operate one stowing machine. For heavier work, or very long lengths of pipeline, two blowers are used in series. The 1854 maximum horsepower for two blowers in series does not commonly exceed 200 (149 kW) at large installations.
Industry:Mining
The filling of the waste in mines by waterborne material by pipeline.
Industry:Mining
The filling, or partial filling, with silt, as of a reservoir that receives fine-grained sediment brought in by streams and surface runoff. The term has been used synonymously with sedimentation without regard to any specific grain size.
Industry:Mining
