- Industry: Mining
- Number of terms: 33118
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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 yellowish-green mineral, Bi<sub>2</sub>(AsO<sub>4</sub>)(OH)<sub>3</sub>.
Industry:Mining
A yellowish-white, wax-yellow, or greenish-yellow paraffin wax usually found inside ironstone nodules and geodes in coalbeds or limestone. It melts at 55 to 65 degrees C, is sparingly soluble in boiling alcohol and cold ether, and is decomposed by concentrated sulfuric acid.
Industry:Mining
A youngster who carries drills to the miners, and collects dull drills and sees that they are returned to the blacksmith shop.
Industry:Mining
A zero-valent, very heavy, inert gaseous element; one of the so-called noble gases. Symbol, Xe. Obtained by the fractional distillation of liquid air. The gas is used in making electron tubes, stroboscopic lamps, and bactericidal lamps; also used in the atomic energy field in bubble chambers, probes, and other applications where its high molecular weight is of value.
Industry:Mining
A zigzag transformer is a transformer intended primarily to provide a neutral point for grounding purposes.
Industry:Mining
A zigzag transformer is a transformer intended primarily to provide a neutral point for grounding purposes.
Industry:Mining
A zinc distillation furnace that is a modified type of the Silesian furnace.
Industry:Mining
A zirconium mineral; a source of hafnium, containing 16% HfO<sub>2</sub>; tetragonal. Obtained from Alve, Norway.
Industry:Mining
