- 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 ...
All point groups characterized by lattices with two crystallographic axes at right angles and one axis inclined.
Industry:Mining
All processes due to the agency of glacier ice, such as erosion, transportation, and deposition. The term sometimes includes the action of meltwater streams derived from the ice.
Industry:Mining
All processes involving the burial of a plant or animal in sediment and the eventual preservation of all, part, or a trace of it.
Industry:Mining
All submerged lands lying seaward and outside of the area of lands beneath navigable waters as defined in Section 2 of the Submerged Lands Act (Public Law 31, 83rd Congress, 1st Session), and of which the subsoil and seabed appertain to the United States and are subject to its jurisdiction and control. Abbrev. OCS.
Industry:Mining
All the alloys that can be made by mixing two metals from a binary alloy system, three metals from a ternary alloy system, and so on. The limits of temperature and composition within which the constituents in a system are stable are represented by the constitutional diagram.
Industry:Mining
All the crystals of the same mineral species that appear to have crystallized at essentially the same time; e.g., if there are olivine phenocrysts in a groundmass containing olivine, there are said to be two generations of olivine.
Industry:Mining
All waters contain two forms of hardness, i.e., temporary (or carbonate) hardness, and permanent (noncarbonate) hardness. The combination of the two is referred to as total hardness.
Industry:Mining
Alleged to be a compound of mercury and antimony, and described in the press to be an ingredient of explosives or nuclear weapons manufacture or possibly a descriptive term employed to mask illicit trading activity involving controlled substances.
Industry:Mining
