- 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 ...
A trigonal or hexagonal mineral, WS<sub>2</sub>; forms dark, lead-gray, minute, foliated or earthy scales; at the Emma Mine, Utah.
Industry:Mining
A trolley locomotive fitted with a crab or winch for hauling mine cars from workings where a trolley wire is not installed.
Industry:Mining
A trolley locomotive with a wire rope reel for drawing cars out of rooms. The rope end is pulled by a runner into the face of the room, attached to a car, and reeled out by the locomotive.
Industry:Mining
A tropical or subtropical low-energy coast with a shore zone overgrown by mangrove vegetation. Such coasts are common in Indonesia, Papua New Guinea, and other tropical regions. The marine coast of southern Florida is the only significant U.S. example.
Industry:Mining
A trough carrying slag from a skimmer or cinder notch to a pit or ladle.
Industry:Mining
A trough or channel used for conveying the tailings; a channel for conducting water away from any plant or works.
Industry:Mining
A trough or spout down which coal slides from a bin or pocket to a locomotive tender, or to vessels, carts, or cars.
Industry:Mining
A trough over which gold pulp flows. It is lined with a blanket for catching coarse gold and associated minerals.
Industry:Mining
