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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 ...
Fossil hydrocarbon similar to fichtelite.
Industry:Mining
Four lengths of drill rod or drill pipe connected to form a section, which is handled and stacked in a drill tripod or derrick as a single unit on borehole round trips. Also spelled fourble. Compare: treble
Industry:Mining
Fr. In sheet glass manufacture, a sheet of perfectly smooth glass, interposed between the flattening stone and the cylinder that is to be flattened.
Industry:Mining
Fr. Pillar in longwall workings.
Industry:Mining
Fr. Rock, boulder.
Industry:Mining
Fr. See: longwall
Industry:Mining
Fr. The face of workings in inclined or vertical seams consisting of a series of steps each about 6 ft (1.8 m) high, and forming the working place for one person.
Industry:Mining
Fr. The place where provisions, safety or rescue equipment, ammunition, etc., are cached or hidden by trappers, miners, or prospectors, in unsettled regions.
Industry:Mining
Fraction of total current carried by one ion during electrolysis (ion migration).
Industry:Mining
Fractional part of 100 ft or m used in designating the location of a point on a survey line- -such as, 4+47.2, meaning 47.2 ft or m beyond Station 4; or 447.2 ft or m from the initial point, measured along a specified line.
Industry:Mining