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United States Bureau of Mines
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 ...
An aluminous variety of halloysite.
Industry:Mining
An aluminum tube containing a main charge of tetryl (tetranitromethylaniline). On top of this are initiating charges of lead azide and lead styphnate, which are more sensitive than the tetryl. A safety fuse fitted into an open space at the top is used to set off the detonator.
Industry:Mining
An aluminum tube containing a main charge of tetryl (tetranitromethylaniline). On top of this are initiating charges of lead azide and lead styphnate, which are more sensitive than the tetryl. A safety fuse fitted into an open space at the top is used to set off the detonator.
Industry:Mining
An aluminum-rich variety of saponite(?).
Industry:Mining
An amalgam of mercury, tin, and bismuth, used for imitating silverwork.
Industry:Mining
An amalgamated copper plate hung in a sluice to catch float gold.
Industry:Mining
An amateur mineralogist or collector.
Industry:Mining
An American Society for Testing and Materials standard method of test, recommended for determining the grain sizing of materials in which slaking would occur.
Industry:Mining
An American variety of hearth for the treatment of galena, differing from the Scotch hearth in using wood as fuel, working continuously, and having hollow walls, to heat the blast.
Industry:Mining
An amethyst-colored variety of fluorite.
Industry:Mining