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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 ...
A snow-white variety of dolomite, containing a large proportion of calcium.
Industry:Mining
A soda-lime glass tube charged with dilute hydrofluoric acid, left in a borehole for 20 to 30 min to measure inclination as indicated by the angle of etch line on the tube. May be fitted in a clinometer.
Industry:Mining
A soda-lime glass tube charged with dilute hydrofluoric acid, left in a borehole for 20 to 30 min to measure inclination as indicated by the angle of etch line on the tube. May be fitted in a clinometer.
Industry:Mining
A soda-lime glass tube charged with dilute hydrofluoric acid, left in a borehole for 20 to 30 min to measure inclination as indicated by the angle of etch line on the tube. May be fitted in a clinometer.
Industry:Mining
A soda-lime glass tube charged with dilute hydrofluoric acid, left in a borehole for 20 to 30 min to measure inclination as indicated by the angle of etch line on the tube. May be fitted in a clinometer.
Industry:Mining
A sodic minette containing biotite, olivine, and augite phenocrysts in a groundmass composed almost entirely of alkali feldspar. Principally a dike rock.
Industry:Mining
A sodic rhyolite containing alkalic amphibole and/or pyroxene.
Industry:Mining
A sodium-aluminum silicate occasionally used as a refractory raw material in the manufacture of porcelain enamels, giving a softer enamel when used to replace potash feldspar in equal weights.
Industry:Mining
A soft corklike bitumen of porous or resinous consistency. Partly soluble in organic solvents.
Industry:Mining
A soft floor that heaves and flows into open spaces when subjected to heavy pressure from packs or pillars.
Industry:Mining
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