- 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 ...
Property with cash sale value. In mining, the dominant asset is the proved ore reserve.
Industry:Mining
Proposed by Sederholm and applied to those primary minerals in igneous rocks that are formed by the reaction of two other minerals, as in kelyphite rims, reaction rims, etc.
Industry:Mining
Proprietary flotation collector agent based on emulsified tall oil, fuel oil, and watersoluble aryl-alkyl sulfonate used to treat hematite ores.
Industry:Mining
Props that are fastened together in a group, like a fence, and placed against the walls to prevent the roof from caving into the stope.
Industry:Mining
Props, or props and cribs, set to break the roof off at a prearranged line during retreat mining, or when blasting down roof.
Industry:Mining
Prospecting for carnotite on the Colorado Plateau, where the favorable beds, more or less flat-lying, crop out in cliffs or rims.
Industry:Mining
Prospecting in which differences in plant growth or plant family serve as a clue to the presence of metals beneath barren rock or a covering of sand and gravel.
Industry:Mining
