- 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 mixture of two parts magnesium and one part dried sodium carbonate; used as a reagent for determining sulfur in coal or coke.
Industry:Mining
A mixture of various copper minerals, such as green malachite, green or blue chrysocolla, blue azurite, and red cuprite.
Industry:Mining
A mixture of yellow or orange secondary uranium oxides formed by alteration of uraninite.
Industry:Mining
A mixture of yellow prussiate of potash, niter, and charcoal used as an explosive.
Industry:Mining
A mixture that when once ignited, will allow flame to be self-propagated throughout the mixture, independent of and away from the source of ignition. In coal mines, it is only when methane and air are mixed in certain definite proportions that the mixture is flammable and explosive, and will allow flame to spread in all directions.
Industry:Mining
A mnemonic adj. derived from (fe) for feldspar, (l) for lenad or feldspathoid, and (s) for silica, and applied to light-colored rocks containing an abundance of one or all of these constituents. Also applied to the minerals themselves, the chief felsic minerals being quartz, feldspar, feldspathoid, and muscovite.
Industry:Mining
A mnemonic adj. derived from (fe) for feldspar, (l) for lenad or feldspathoid, and (s) for silica, and applied to light-colored rocks containing an abundance of one or all of these constituents. Also applied to the minerals themselves, the chief felsic minerals being quartz, feldspar, feldspathoid, and muscovite.
Industry:Mining
A mnemonic adj. derived from (fe) for feldspar, (l) for lenad or feldspathoid, and (s) for silica, and applied to light-colored rocks containing an abundance of one or all of these constituents. Also applied to the minerals themselves, the chief felsic minerals being quartz, feldspar, feldspathoid, and muscovite.
Industry:Mining
A mnemonic term derived from (si) for silica, (al) for alumina, and (ma) for magnesium, applied as a compositional term to a layer within the Earth that occupies a position intermediate between sial and sima.
Industry:Mining
