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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 ...
A small, short conveyor to lift coal out of a spillage pit and deliver it into a mine car or onto the main conveyor. It is usually a chain conveyor run either continuously or intermittently.
Industry:Mining
A small, usually rounded inclusion of one mineral in another; e.g., blebs of olivine poikilitically enclosed in pyroxene.
Industry:Mining
A small, very delicate balance used for weighing assay buttons.
Industry:Mining
A small-diameter hollow metal tube attached to a flexible rubber tube through which air is pulled by a suction or vacuum pump. The suction created at the tip of the metal tube enables a bit setter to pick up and place a small diamond in a bit mold with greater facility than with tweezers. Called a needle because the metal tube generally is made by using a discarded hypodermic needle.
Industry:Mining
A small-diameter hollow metal tube attached to a flexible rubber tube through which air is pulled by a suction or vacuum pump. The suction created at the tip of the metal tube enables a bit setter to pick up and place a small diamond in a bit mold with greater facility than with tweezers. Called a needle because the metal tube generally is made by using a discarded hypodermic needle.
Industry:Mining
A small-diameter hollow metal tube attached to a flexible rubber tube through which air is pulled by a suction or vacuum pump. The suction created at the tip of the metal tube enables a bit setter to pick up and place a small diamond in a bit mold with greater facility than with tweezers. Called a needle because the metal tube generally is made by using a discarded hypodermic needle.
Industry:Mining
A small-diameter hollow metal tube attached to a flexible rubber tube through which air is pulled by a suction or vacuum pump. The suction created at the tip of the metal tube enables a bit setter to pick up and place a small diamond in a bit mold with greater facility than with tweezers. Called a needle because the metal tube generally is made by using a discarded hypodermic needle.
Industry:Mining
A small-grained variety of pyrope garnet in the trap tuff of Kincraig Point, near Elie, Fife, Scotland.
Industry:Mining
A small-scale processing plant in which representative tonnages of ore can be tested under conditions which foreshadow (or imitate) those of the full-scale operation proposed for a given ore.
Industry:Mining
A small-scale tension fracture that occurs at an angle to a fault and tends to remain open.
Industry:Mining
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