- 行业: Mining
- Number of terms: 33118
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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 name sometimes applied to a diamond crystal having the shape of an octahedron.
Industry:Mining
A name sometimes erroneously applied to the dark ruby spinel occurring with the rubies of Thailand.
Industry:Mining
A name that has been used in Arizona for locally occurring jasper or chert of various colors.
Industry:Mining
A name that may be applied to any mineral resembling jade in appearance; e.g., bowenite, massive serpentine.
Industry:Mining
A name that was originally applied to Precambrian granites of the Laurentian Highlands, eastern Canada, and later to the oldest granites near the U.S.-Canadian border northwest of Lake Superior.
Industry:Mining
A name to replace iodobromite whose composition is not definite. Used to designate minerals of the cerargyrite group containing chlorine, bromine, and iodine, Ag(Cl,Br,I).
Industry:Mining
A name used for amorphous, yellow, hydrous uranium sulfates of unknown composition.
Industry:Mining
A name used for amorphous, yellow, hydrous uranium sulfates of unknown composition.
Industry:Mining