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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 ...
An intermittent kiln, circular in plan, with fireboxes arranged around the circumference. Such kilns find use in the firing of blue engineering bricks, pipes, some refractory bricks, etc.
Industry:Mining
An intermittent, movable pressure filter. The leaves are vertical and are set parallel with the axis of the tank. Pulp is introduced into the tank (a boilerlike affair) under pressure, and the cake is formed. The head is then unlocked, the leaves are run out of the tank chamber by means of a small track, and the cake is dropped. The carriage and leaves are then run back into the tank, and the cycle begins again.
Industry:Mining
An internally threaded bell-shaped iron bar for recovering broken or lost rods in a deep borehole.
Industry:Mining
An internally threaded bell-shaped iron bar for recovering broken or lost rods in a deep borehole.
Industry:Mining
An internally threaded bell-shaped iron bar for recovering broken or lost rods in a deep borehole.
Industry:Mining
An internally threaded, short, sleevelike member of ordinary steel used to join lengths of pipe. Sometimes incorrectly called pipe collar; pipe sleeve.
Industry:Mining
An international unit equal to 200 mg that had been adopted in most European countries and in Japan when it was made the standard in the United States in 1913. Abbrev.: M.C. and cm.
Industry:Mining
An interstitial mineral deposit formed by the action of percolating waters. Compare: segregated vein
Industry:Mining
An interstratified mica and clay.
Industry:Mining
An intimate intergrowth of two different minerals, sometimes restricted to those of secondary origin; also, a rock (igneous or thermally metamorphosed) characterized by symplectic texture. Also spelled: symplektite. Compare: pegmatite
Industry:Mining