- 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 ...
The plane normal to the direction of the intermediate principal stress.
Industry:Mining
The plane normal to the direction of the major principal stress.
Industry:Mining
The plane that joins the troughs of a series of beds in a syncline; generally, but not necessarily, the same as the axial plane.
Industry:Mining
The plane to which soundings on a chart are referred, usually low water.
Industry:Mining
The planning and design of mines, taking into account economic, technical, and geologic factors; also supervision of the extraction, and sometimes the preliminary refinement, of the raw material. Compare: mining; mining geology.
Industry:Mining
The plant life division of plankton, including diatoms and algae. Unattached plants that are at the mercy of the currents.
Industry:Mining
The platformlike mass of a continent that stands above the surrounding oceanic basins. Syn. for continental shelf.
Industry:Mining
The plunge of folds, or sets of folds, whose inclination has been carried past the vertical, so that the plunge is now less than 90 degrees in a direction opposite from the original attitude. It is a rather common feature in excessively folded or refolded terranes.
Industry:Mining
