- 行业: 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 ...
A plan, drawn to the same scale as the working plan, that shows the position of all electrical apparatus installed underground except signals and telephones.
Industry:Mining
A planar or irregular surface by which parts of a twin crystal are united, not necessarily parallel to a crystal face.
Industry:Mining
A plane along a joint fracture or parting. Not to be confused with bedding and/or cleavage.
Industry:Mining
A plane figure representing a block of the Earth's crust (depicting geologic and topographic features) in a three-dimensional perspective, showing a surface area on top and including one or more (generally two) vertical cross sections. The top of the block gives a bird's-eye view of the ground surface, and its sides give the underlying geologic structure.
Industry:Mining
A plane or direction in a diamond or other mineral having less resistance to abrasion than that of the hard-vector planes. Compare: hard vector
Industry:Mining
A plane surface bounded either by straight lines or curved lines or by a combination of straight and curved lines.
Industry:Mining
A plant and its equipment for sampling and determining the value of ores that are bought, sold, or treated metallurgically.
Industry:Mining
