- Sektör: Mining
- Number of terms: 33118
- Number of blossaries: 0
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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 marshy area where the ground is wet because of the presence of seepage or springs, often with standing water and abundant vegetation. The term is commonly applied in arid regions such as the Southwestern United States. Etymol: Spanish cienaga, marsh, bog, miry place.
Industry:Mining
A mass change in the composition of rocks in contact with an invading magma, from which fluid constituents are carried out to combine with some of the country-rock constituents to form a new suite of minerals.
Industry:Mining
A mass concrete dam constructed of parallel buttresses thickened at the upstream end until they conjoin.
Industry:Mining
A mass of air under compression entrapped in the liquid circulated through a borehole drill string or a liquid-piping system.
Industry:Mining
A mass of explosive material prepared for use in bulk form without packaging.
Industry:Mining
A mass of ground left undisturbed until the final stages of excavation, when it is removed. In the intermediate stages it may be used as a support for timbering to the excavations.
Industry:Mining
A mass or bed of fine sand, that consists of smooth rounded grains with little mutual adherence and that is usually saturated with water flowing upward through the voids, forming a semiliquid, highly mobile mass that yields easily to pressure.
Industry:Mining
A mass or bed of fine sand, that consists of smooth rounded grains with little mutual adherence and that is usually saturated with water flowing upward through the voids, forming a semiliquid, highly mobile mass that yields easily to pressure.
Industry:Mining
A mass that exhibits essentially the same physical properties at every point throughout the mass.
Industry:Mining
