- 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 ...
A straight rod or staff pointed and shod with iron at the bottom for insertion in the ground, having a socket joint at the top, and used instead of a tripod for supporting a compass.
Industry:Mining
A straight-walled cylinder with or without a valve on the bottom. Used for taking soil samples. Compare: soil sampler; split-tube sampler.
Industry:Mining
A strain in which a rock body is elongated in one direction and shortened at right angles to this in such an amount that the volume remains unchanged.
Industry:Mining
A straining action wherein tangentially applied forces tend to produce a skewing type of deformation. Shear forces are usually accompanied by normal forces produced by tension, thrust, or bending.
Industry:Mining
A stratified ironstone located in the Midlands (England) and occurring at the top of the Middle Lias series.
Industry:Mining
A stratigraphic term used in Europe (esp. in Great Britain) for Upper Carboniferous, or for the sequence of rocks (typically, but not necessarily, coal-bearing) occurring in the upper part of the Carboniferous System. It is broadly synchronous with the Pennsylvanian of North America.
Industry:Mining
