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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 ...
Deposits of wash dirt upon the high reef.
Industry:Mining
Deposits that result from supergene enrichment.
Industry:Mining
Depth of an earthquake or explosion below the Earth's surface.
Industry:Mining
Derb. A dark tough vein filling that dulls the drills readily.
Industry:Mining
Derb. A gypsum mine.
Industry:Mining
Derb. A hole or chute through which ore is thrown.
Industry:Mining
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 method of measuring lead ore.
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
Derb. A soft clay in the vein.
Industry:Mining