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United States Bureau of Mines
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 ...
Any system of development in coal seams or thick orebodies in which headings are driven horizontally across the coal or ore and connected to main haulage drifts, entries, or shafts. There are many variations and modifications depending on the thickness, shape, and inclination of the deposit.
Industry:Mining
Any tank or vessel in the water circuit that is used to control the delivery pressure of the water to the washing units.
Industry:Mining
Any tectonic, lithologic, or geochemical features considered to have influenced the formation and localization of ore.
Industry:Mining
Any temporary or makeshift device, rig, or piece of equipment.
Industry:Mining
Any treatment of mine timber for the purpose of extending the useful life of the timber. Various preservatives are used, such as creosote, zinc chloride, sodium fluoride, and other chemicals.
Industry:Mining
Any truck or car used for hauling timbers inside a mine. In conveyor work, it is applied to the small truck mounted on wheels that is designed to run in the panline of a shaker conveyor for the purpose of carrying timber and other materials to the face.
Industry:Mining
Any two minerals, one of which crystallizes at the expense of the other by reaction with a melt; esp. two adjacent minerals in a reaction series.
Industry:Mining
Any two-furnace melting or refining process.
Industry:Mining
Any type of assay procedure that does not involve liquid as a means of separation. Compare: wet assay
Industry:Mining
Any type of assay procedure that involves liquid, generally aqueous, as a means of separation. Compare: dry assay
Industry:Mining