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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 ...
Borehole into which chemical solutions or grout are injected to cement or consolidate fragmental rock material. Compare: grout hole
Industry:Mining
Boreholes collared at the surface of the Earth, as opposed to holes collared in mine workings or underwater.
Industry:Mining
Boreholes drilled primarily to determine the structural, petrologic, and geologic characteristics of the overburden and rock strata penetrated.
Industry:Mining
Boreholes drilled primarily to determine the structural, petrologic, and geologic characteristics of the overburden and rock strata penetrated.
Industry:Mining
Boreholes drilled to determine petrological and structural features of the rock or overburden materials at or near the area on which the foundations of a dam will rest.
Industry:Mining
Boreholes driven after the face of the rock has been unkeyed, and two or three free faces have thus been provided.
Industry:Mining
Boreholes tending to meet in the body of the rock; intended to unkey the face when charged and fired.
Industry:Mining
Ventil pre reguláciu distribúcie vody v tlakových fľašiach hydraulické výťahy, žeriavy atď.
Industry:Mining
Ventil s lidlike kusom zavesené na jednej strane do komory, ktoré umožňujú prietok kvapaliny alebo plynu pristúpiť iba v jednom smere. Spätný ventil na vyzdvihnutie konci vŕtačka-čerpadlá sacie hadice je zvyčajne clack-typ ventilu.
Industry:Mining
In microscope lenses, the splitting of white light to form two images, one red and the other blue.
Industry:Mining