- Industry: Mining
- Number of terms: 33118
- Number of blossaries: 0
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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 ...
Derb. A loose, broken, or porous place in a vein. It derives its name from the ease with which water sinks through the loose material.
Industry:Mining
Derb. A mineral vein cut by a dike and thereby thrown out of alinement on the two sides of the dike.
Industry:Mining