- 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 gram calorie (or small calorie) is the quantity of heat required to raise the temperature of 1 g of water from 15 to 16 degrees C. The mean calorie is one-hundredth part of the heat required to raise 1 g of water from 0 to 100 degrees C. Compare: heat unit
Industry:Mining
The greatest amount of subsidence that can occur as a result of mine workings.
Industry:Mining
The greatest stress that a material is capable of withstanding without deviation from proportionality of stress to strain (Hooke's law). In the case of rocks, this term and "elastic limit" are restricted to short-time tests; rocks may slowly and permanently deform in periods of long duration, even at stresses below the short-time proportional limit.
Industry:Mining
The greatest stress that can be developed in a material without permanent deformation remaining when the stress is released.
Industry:Mining
The green-amphibole or green-pyroxene matrix rock in which rubies are embedded; Australia and New Zealand.
Industry:Mining
The grinding of a charge of mineral (dry or wet) in a closed ball mill.
Industry:Mining
The grinding, scouring, plucking, gouging, grooving, scratching, and polishing effected by the movement of glacier ice armed with rock fragments frozen into it, together with the erosive action of meltwater streams.
Industry:Mining
