- 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 ...
Thin metal support members from 5 to 20 ft (1.5 to 6 m) long are bolted to the mine roof to prevent roof deterioration between the bolts. Also known as roof mats or bacon skins.
Industry:Mining
Thin plates through which holes have been punched. These may be round, rectangular, or slotted.
Industry:Mining
Thin strands of anthraxylon having the appearance of threads in thin sections.
Industry:Mining
Thin vein of coal in a fault zone. Coal leads may indicate the direction of a displaced seam.
Industry:Mining
Thin veins of calcium carbonate running through the coal. Also spelled simon strings.
Industry:Mining
Thin, flat, steel belts ranging from 0.008 to 0.035 in (0.02 to 0.09 cm) in thickness and from 7/8 to 8 in (2.2 to 20.3 cm) in width have been successfully used. The pulleys should be faced with a thin layer of cork. Steel belts can be run at speeds as high as 10,000 ft/min (3.0 km/min). It has been claimed that a 4-in (10.2-cm) steel belt will transmit as much power as a 19-in (48.3-cm) leather belt.
Industry:Mining
Thin, leaflike layers or laminae; specif., those of gneissic or schistose rocks. Singular form is folium.
Industry:Mining
Thin-bedded limestone or sandstone suitable only for mortarless (dry) fencing or retaining walls.
Industry:Mining
Thirty-two ft<sub>3</sub>(0.9 m<sub>3</sub>) of fluid. A unit to correspond with the short ton of 2,000 lb (908 kg), and of sufficient accuracy for many hydrometallurgical, hydraulic, and other industrial purposes, it being assumed that the water or other liquid under consideration weighs 62.5 lb/ft<sub>3</sub>(1,002.7 kg/m<sub>3</sub>).
Industry:Mining
