- 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 ...
An emerald-green variety of vesuvianite containing chromium; occurs at Black Lake, Quebec, Canada; and Ekaterinburg, Ural Mountains, Russia.
Industry:Mining
An emerald-green variety of vesuvianite containing chromium; occurs at Black Lake, Quebec, Canada; and Ekaterinburg, Ural Mountains, Russia.
Industry:Mining
An empirical formula for the value of the coefficient, C, in the Chezy formula, the factors of which are the hydraulic radius and a coefficient of roughness; a simplification of the Kutter formula.
Industry:Mining
An empirical formula giving the collapsing load for a given column.
Industry:Mining
An employee in a mine whose duty it is to clean up falls or refuse, or to make a miner's working place safe.
Industry:Mining
An employee whose duty is to watch carefully, in all parts of the mine, for the appearance of high-grade mineral, and when it is likely that such spots will be opened up, should be the first person at the face after the blast to prevent high-grading (the theft of valuable samples).
Industry:Mining
An employee whose duty it is to see that cars are coupled properly, and to inspect ropes, chains, links, and all coupling equipment. A trip rider.
Industry:Mining
