- 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 ...
Aust. Working place that is less than 6 yd (5.5 m) wide; these are paid for by the yard in length.
Industry:Mining
Authorization granted by a government to an individual in some countries, permitting the person to prospect for minerals and to register (stake) a claim.
Industry:Mining
Automatic aerial transportation, as by the aid of electricity, esp. that system in which the carriages having independent motors are run on a stout wire conducting an electric current.
Industry:Mining
Automatic arrangement that arrests a mine car when it runs away downslope. The car displaces a pendulum beyond its nonactivating limit of swing and a pivoted rail then falls between the rail tracks below.
Industry:Mining
Automatic removal of samples at timed intervals from a passing stream of ore, pulp, or solution.
Industry:Mining
Autometamorphism involving the crystallization of minerals or the alteration of a rock by gaseous emanations originating in the magma or rock itself. Compare: autometasomatism
Industry:Mining
Autotrophic microorganism that derives energy to do metabolic work by converting radiant energy into chemical energy and assimilates carbon as CO<sub>2</sub>, HCO<sub>3 -</sub>, or CO<sub>3 2-</sub>(photosynthesis).
Industry:Mining
Autotrophic microorganism that derives energy to do metabolic work from the oxidation of inorganic compounds and assimilate carbon as CO<sub>2</sub>, HCO<sub>3 -</sub>, or CO<sub>3 2-</sub>; e.g., Thiobacillus ferrooxidans, a bacterium that oxidizes ferrous iron to ferric iron for energy.
Industry:Mining
Auxiliary and accessory tools and equipment needed to drill a borehole using either percussive, churn, rotary, diamond, or other types of drills.
Industry:Mining
Auxiliary equipment for drilling at heights above head level. The drilling platform is generally assembled and dismantled for each series of drilling operations.
Industry:Mining
