- 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 ...
Crushed material of a bed or vein that indicates the direction of fault movement; it may be valuable as a guide to the main vein.
Industry:Mining
One of the cars that are loaded at production points and hauled to the pit bottom or surface in a train by locomotives or other power. They vary in capacity, and are either of wood or steel construction or combinations of both. Mine cars have been classified into six kinds: (1) the solid or box type, which requires a rotary dump at the unloading terminal; (2) the rocker dump type, which has a V-shaped body rounded at the bottom; (3) the gable-bottom car, which is shaped like a capital W in cross section; (4) the Granby car, a special form of a side-dumping car; (5) bottom-dump cars; and (6) enddump cars, which are commonly used for hand tramming in small mines.
Industry:Mining
Quantitative chemical analysis in which known weight of sample is dissolved and reacted with a standard chemical solution of strength proportional to its normality or hydrogen equivalent. Completion of reaction (end point) is judged by change of color, incipient precipitation, or effect on an indicator.
Industry:Mining
Comminution of ores and materials in the presence of a liquid in a suitable mill, either by rods, balls, or pebbles, or autogenously, by the material itself.
Industry:Mining
Natural migration of moisture from a relatively warm part of a mass of soil toward a cooler part.
Industry:Mining
Movement of charged particles in a fluid medium in response to an electric field. Metallic hydroxides and other positive sols migrate to the cathode and negatives ones to the anode.
Industry:Mining
In timbering, where both a cap and a sill are used, and the posts act as spreaders, the cap and the sill are spoken of as the sideplates.
Industry:Mining
Hydrated arsenate, Co<sub>3</sub>(AsO<sub>4</sub>)<sub>2</sub>.2H<sub>2</sub>O .
Industry:Mining
