- 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 location of a tract of land for mineral-bearing or other valuable deposits upon or within it that are not found within lodes or veins in rock in place; a claim of a tract of land for the sake of the loose deposits on or near its surface.
Industry:Mining
A location which provides local monitoring and control, and provides a communications interface between a sensor and the trunk connected to a central station computer.
Industry:Mining
A location which provides local monitoring and control, and provides a communications interface between a sensor and the trunk connected to a central station computer.
Industry:Mining
A locked spirit-burning lamp fitted with an internal relighting device.
Industry:Mining
A lode may be divided into three main zones: (1) unaltered ore at depth; (2) gossan or altered surface portion of the lode, which contain native metals, oxides, and oxysalts that result from weathering of the ore; and (3) secondary enrichment which lies between the first two zones, where interaction between waters from the gossan and the unaltered ore have produced new materials, often of considerable economic value.
Industry:Mining
