- 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 record of the breaks, fractures, faults, and physical properties of rocks within a formation.
Industry:Mining
A record showing the present financial obligations and resources of the company, in terms of cost or book value.
Industry:Mining
A record, made by the driller or geologist, of the rocks penetrated in the borehole. In the laboratory, a more detailed log is prepared giving particulars relating to lithology, paleontology, water analysis, etc.
Industry:Mining
A record, photographic or electronic, of crystal structure obtained by means of X-ray diffraction. Compare: Laue diagram; Laue photograph; powder pattern.
Industry:Mining
A recorder that gives a continuous record in the range of 0% to 3%.
Industry:Mining
A recrushing of fine ore due to the fact that the broken material cannot exit a machine before it is again crushed. Compare: free crushing
Industry:Mining
A recrystallization in which the crystallographic orientation of the parent crystal determines that of the product crystal, e.g., goethite to hematite with a -> c/3, b -> 2 a, and c#M# -> a T3/3. Compare: epitaxy; syntaxy.
Industry:Mining
A recrystallized metamorphic rock composed of calcite and serpentine, commonly formed by dedolomitization of a siliceous dolostone. Some ophicalcites are highly veined and brecciated and are associated with serpentinite.
Industry:Mining
A rectangular hole cut in one member of a framework to receive a corresponding projection on the mating member.
Industry:Mining
A rectangular hole cut in one member of a framework to receive a corresponding projection on the mating member.
Industry:Mining
