- 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 ...
The rock fragments and sludge produced in drilling a borehole with a churn drill.
Industry:Mining
The rock record of any sedimentary environment, including both physical and organic characters. It is a mappable subdivision of a designated stratigraphic unit, distinguished from adjacent subdivisions on the basis of lithology.
Industry:Mining
The rock-forming minerals that are either stable in the surface environment or unstable but react so slowly that they are not appreciably broken down.
Industry:Mining
The rod or system of rods (usually heavy beams) connecting a steam engine at the surface or at a higher level with the pump piston below.
Industry:Mining
The rolls of a troughing idler that are so mounted on an incline as to elevate each edge of the belt to form a trough.
Industry:Mining
The root-mean-square value of an alternating current or voltage. It is the square root of the mean value of the squares of the instantaneous values taken over a complete cycle. When an alternating current or voltage is specified, it is almost invariably the root-meansquare value that is used. Also used of quantities that alternate over longer periods, for example, a month or year. Also known as effective value. Abbrev., R.M.S.
Industry:Mining
The rope that pulls a journey of loaded cars on a haulage plane; the rope that pulls the loaded scoop or bucket in a scraper loader layout.
Industry:Mining
The rope that pulls a train of loaded cars out along a haulage plane, as opposed to a tail rope that pulls a train of empty cars in, as in main-and-tail haulage.
Industry:Mining
