- 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 ...
Term applied to material that amounts to a large cap piece. They are used by sawing a header in two and placing one or more timbers under the half header on the same side of the track. Two timbers are generally placed under the half header and the end allowed to extend out over the haulage. The term half header should not be applied to regular cap pieces.
Industry:Mining
Term applied to minerals (e.g., chlorargyrite, utenbogaardite) that are visibly injured by light.
Industry:Mining
Term applied to the list of screen apertures, taken in order from the coarsest to the finest.
Industry:Mining
Term covers a wide field in which many resources of modern science and engineering are used in discovery, development, exploitation, and use of natural mineral deposits.
Industry:Mining
Term descriptive of a mine that has a high percentage of machinery for all steps of mining and handling mineral product, from the face to the mine working place, and on to the tipple or treatment plant.
Industry:Mining
Term marking the distinction, made in mineral processing that involves agitation, between a truly viscous (Newtonian) liquid and one in which shear or apparent viscosity (pseudoviscosity) varies with the dimensions of the containing system and the speed of agitation. The latter type of fluid is said to be non-Newtonian.
Industry:Mining
Term properly applied only to peridot (olivine) from St. John's Island in the Red Sea.
Industry:Mining
Term showing that these items have been paid by the shipper of concentrates, metal, etc.
Industry:Mining
Term sometimes applied to hydraulic stowing and also to scraper loader operations.
Industry:Mining
