- Industri: 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 mine with no rails. In such mines, rubber-tired vehicles operate independently of tracks and are used for haulage and transport.
Industry:Mining
A miner employed at an underground coal mine or at a surface work area of an underground coal mine who has exercised the option under the old section 203b program (36 FR 20601, October 27, 1971), or under 90.3 (Part 90 option; notice of eligibility; exercise of option) of this part to work in an area of a mine where the average concentration of respirable dust in the mine atmosphere during each shift to which that miner is exposed is continuously maintained at or below 1.0 mg/m<sub>3</sub>of air, and who has not waived these rights.
Industry:Mining
A miner experienced in the use and handling of rock drills and shovel loaders, and in tunnel-blasting methods. Such a miner is wholly employed on tunneling and is usually paid a fixed rate per shift with perhaps a bonus payment for high rates of tunnel advance.
Industry:Mining
A miner in pillar methods of working employed in pillar robbing; a practice now obsolete.
Industry:Mining
A miner who assists in the operation of an auger-type underground mining machine; duties include seeing that the roof of the mine at or near the machine is in a safe condition.
Industry:Mining
A miner who cuts places in the coal, ore, or wall in which to rest or place timbers to prevent rock from falling.
Industry:Mining
A mineral (not established as a species), Ni(As,Sb)S , intermediate between gersdorfite and ullmannite; occurs at Wolfach, Baden, Germany.
Industry:Mining
