- 産業: 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 barrel used to batch grind and then amalgamate gold-bearing concentrates and residues.
Industry:Mining
A barrel-shaped hoppit designed to collect and hoist water from the bottom of a sinking shaft. Water barrels are now obsolete. See also: pneumatic water barrel; sinking pump; water kibble.
Industry:Mining
A barrel-shaped hoppit designed to collect and hoist water from the bottom of a sinking shaft. Water barrels are now obsolete. See also: pneumatic water barrel; sinking pump; water kibble.
Industry:Mining
A barrel-shaped hoppit designed to collect and hoist water from the bottom of a sinking shaft. Water barrels are now obsolete. See also: pneumatic water barrel; sinking pump; water kibble.
Industry:Mining
A barrier of firebricks or an iron-plate chamber filled with water thrown across the furnace at the extreme end of the fire bars to prevent fuel from being carried into the flues and to quicken the draft by contracting the section of the current of hot gas.
Industry:Mining
A barrier, generally built of timber framed to form a water face, supported by struts.
Industry:Mining
A basaltic accumulation of smaller size than the plateau or flood basalts, arising from the confluence of lava flows from a large number of small, closely spaced volcanoes. Compare: plateau basalt.
Industry:Mining
