- Industry: 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 ...
Haulage in which the chains are placed beneath a mine car at certain intervals with suitable hooks that thrust against the car axle.
Industry:Mining
Hauling over public highways, usually by a dump truck. Various restrictions, such as weight, width of vehicle, safety features, guard against spillage, etc. must be considered in the type equipment used. Compare: off-the-road hauling
Industry:Mining
Hauling that takes place off the public highways, generally on a mining or excavation site. The hauling units used are generally higher and wider than those used in over-theroad hauling since highway restrictions do not limit size, weight, etc. Compare: over-the-road hauling
Industry:Mining
Having a broken or brecciated structure, formed in the place where it is found as a result of crushing, dynamic metamorphism, or other mechanical processes; e.g., a fault breccia, or a brecciated dolomite produced by diagenetic shrinkage followed by recementation. Compare: cataclastic
Industry:Mining
Having a center of symmetry. Centrosymmetric crystal structures cannot exhibit pyroelectricity or piezoelectricity.
Industry:Mining
Having a cleavage unlike that characteristic of the mineral in its ordinary form, as a variety of feldspar.
Industry:Mining
Having a disagreeable odor caused by the occurrence of certain bituminous substances or of hydrogen sulfide. This odor is apparent when some varieties of limestone and quartz are broken or are rubbed vigorously.
Industry:Mining
