- 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 ...
Stopes in which the roof is supported by stulls, square-set timbering, or concrete columns.
Industry:Mining
Stoppage of flow, due to obstructed discharge, sticky material, packed and compacted fines, or bad control.
Industry:Mining
Storage space near an entry from underground workings to a hoisting shaft; laid out so as to deliver a measured volume into a hoisting skip and to be refilled before the skip returns empty.
Industry:Mining
Straight magmatic mineral (ore) deposit, the formation of which has often been ascribed to injection into the older country rock of liquefied crystal differentiates, of residual liquid segregations, or of immiscible liquid separations and accumulations. An older term.
Industry:Mining
Straight, narrow bands parallel to the crystallographic planes in the crystals of metals that have been subjected to deformation by sudden impact. They are actually narrow twin band, and are most frequently observed in iron.
Industry:Mining
Strain in a casting caused by casting stresses that develop as the casting cools.
Industry:Mining
Strand construction in which one layer of wires is composed of pairs of large and small wires, thus 6 x 19 (6 and 6/6/1) equal laid.
Industry:Mining
Strata containing coalbeds, particularly those of the Pennsylvanian Period. Used as a proper name for a stratigraphic unit more or less equivalent to the Pennsylvanian Period.
Industry:Mining
Strata containing seams of coal that are not of a workable thickness. In metal mining, ground that does not contain ore.
Industry:Mining
