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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 ...
Metal that has become oxidized by overheating, and so is rendered useless for engineering purposes.
Industry:Mining
Metal troughs, operated mechanically, for the loading of coal into mine cars underground.
Industry:Mining
Metal, such as brass or copper, in its first rough casting.
Industry:Mining
Metallic antimony is an extremely brittle metal with a flaky, crystalline texture. Symbol, Sb. Sometimes found native, but more frequently as the sulfide, stibnite (Sb<sub>2</sub>S<sub>3</sub>). Used 144 in semiconductors, batteries, antifriction alloys, type metal, small arms, tracer bullets, cable sheathing, flame-proofing compounds, paints, ceramics, glass, and pottery. Antimony and many of its products are toxic.
Industry:Mining
Metallic arsenides and antimonides smelted from cobalt and lead ores.
Industry:Mining
Metallic platinum in a gray, porous, spongy form; obtained by reducing ammonium chloroplatinate, which occludes large volumes of oxygen, hydrogen, and other gases.
Industry:Mining
Metallic tin after smelting, in contradistinction to black tin or cassiterite.
Industry:Mining
Metallic tin in its common, massive form.
Industry:Mining
Metallurgical process for dissolution of metals by means of acid solution. Examples include extraction of copper from oxide- or sulfide-bearing ore and dissolution of uranium from sandstone ores. Acid leaching can occur on heap-leach pads or in situ.
Industry:Mining
Metallurgically acid material (usually some form of silica) used as a flux.
Industry:Mining