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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 ...
Said of lines or other linear phenomena converging at a single center or departing from one.
Industry:Mining
Said of metal obtained from scrap rather than from ore.
Industry:Mining
Said of metal that has been rolled at a temperature close to atmospheric. The cold rolling of metal sheets results in a smooth surface finish.
Industry:Mining
Said of mine timbering when the sets are thrust out of line, or lean.
Industry:Mining
Said of mineral veins that have been deposited by springs. Etymol: Greek for spring. Obsolete.
Industry:Mining
Said of minerals naturally dried to equilibrium with the prevailing atmosphere.
Industry:Mining
Said of minerals that have an odor of garlic when rubbed, scratched, or heated; e.g., arsenical minerals.
Industry:Mining
Said of nuclei, such as uranium and plutonium, that are capable of fission.
Industry:Mining
Said of or pertaining to a blastoporphyritic or sometimes porphyroblastic metamorphic rock of igneous origin, or a feldspathic metasedimentary rock having the appearance of a porphyry. It occurs in the lower grades of regional metamorphism.
Industry:Mining
Said of ore deposits, such as those of copper, connected with a phase of mountain building and plutonism.
Industry:Mining
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