- Branża: Mining
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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 commercial process for the production of hydrogen by reaction of caustic soda on aluminum.
Industry:Mining
A commercial term for crystalline rock that when polished is dark gray to black. It may be a diabase, diorite, or gabbro.
Industry:Mining
A commercial term for kaolin obtained from china-clay rock after washing, and suitable for use in the manufacture of chinaware.
Industry:Mining
A commingling in which the ingredients retain their individual properties or separate chemical nature.
Industry:Mining
A common division of the color scale, generally given as about 2,800 degrees F (1,540 degrees C).
Industry:Mining
A common element that is substituted by a trace element in a rock mineral.
Industry:Mining