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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 ...
Calcined magnesite or magnesia mixed with a solution of magnesium chloride. It sets to a hard mass within a few hours. The basis of artificial flooring cements.
Industry:Mining
Calcite matrix in limestones, occurring as uniformly sized and generally loaf-shaped crystals ranging from 5 mu m to more than 20 mu m in diameter.
Industry:Mining
Calcite with sharp scalenohedral termination.
Industry:Mining
Calcium carbonate, CaCO<sub>3</sub>, magnesium carbonate, MgCO<sub>3</sub>, and china clay, which neutralize free acids, thereby preventing explosives from decomposing in storage. They also have a cooling effect and tend to reduce the sensitivity of the explosive.
Industry:Mining
Calcspar from Derbyshire lead mines, United Kingdom. Also spelled kebble.
Industry:Mining
Caliche deposit in Chile composed mainly of sodium sulfate.
Industry:Mining
California. A miner or prospector who searches for small gold deposits which occur on the surface in the gold-bearing areas of the State.
Industry:Mining
Cambrian and Ordovician slates quarried in the vicinity of Granville, Washington County, NY. Colors include red, purple, green, and black. The slates are much used in decorative flooring.
Industry:Mining
Cambrian conglomerate occupying supposedly old beaches or channels. It is goldbearing in the Black Hills, SD.
Industry:Mining
Can. Derisive term applied to mining country that is largely muskeg.
Industry:Mining