- 行业: Mining
- Number of terms: 33118
- Number of blossaries: 0
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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 carbonatite that contains calcite as a dominant phase. The name, given by Broegger in 1921, is for Soeve, Fen complex, Norway.
Industry:Mining
A carmine to tile-red lead-iron-arsenate, perhaps Pb<sub>3</sub>As<sub>2</sub>O<sub>8</sub>.10FeAsO<sub>4</sub>. Found in clusters of fine needles; also in spheroidal forms.
Industry:Mining
A carrying scraper that dumps or ejects its load over the cutting edge.
Industry:Mining
A cart having a body that can be tilted or a bottom opening downward for emptying the contents without handling.
Industry:Mining
A cartridge loader in which compressed water, rather than compressed air, is used for loading underwater.
Industry:Mining
A cartridge loader widely used for underwater blasting, for blasting without removing the overburden, and for long-hole blasting. It is also being used increasingly for tunneling and other sorts of rock blasting.
Industry:Mining
A carving or engraving on a stone or gem; also, a stone or gem so engraved.
Industry:Mining