- 行业: 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 gneiss with a structure produced by flowage in an igneous mass before complete solidification.
Industry:Mining
A grab-type loader activated by cables. Used in mucking operations.
Industry:Mining
A grade of wire rope used for winding, with a tensile strength of between 115 st/in<sub>2</sub>and 125 st/in<sub>2</sub>(16.2 t/cm<sub>2</sub>and 17.6 t/cm<sub>2</sub>).
Industry:Mining
A graded filter placed at the foot of an earth dam or other construction, stabilizing the foot of the structure by virtue of its weight and permeability.
Industry:Mining