- 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 hypothetical composition, (Mg,Fe)<sub>3</sub>Si<sub>2</sub>O<sub>5</sub>(OH)<sub>4</sub>, used to describe chlorite compositions; intermediate to antigorite and greenalite.
Industry:Mining
A hypothetical garnet "molecule," Fe<sub>3</sub>Fe<sub>2</sub>(SiO<sub>4</sub>)<sub>3</sub>.
Industry:Mining
A hypothetical line that shows the velocity direction of the fluid stream at each point along the line. Streamlines do not therefore cross each other. A set of streamlines charts the flow pattern. If the flow is steady then the streamline pattern does not change with time. If, however, the streamlines are continually changing shape the flow is unsteady.
Industry:Mining
A jack in which the lifting head is carried on a plunger working in a cylinder, to which oil or water is supplied under pressure from a small hand-operated pump.
Industry:Mining
A jack to raise and hold crossbars against the roof while props are being set.
Industry:Mining
A jaw crusher with one jaw fixed, the other jaw oscillating through an eccentric mounted near its top. This type of jaw crusher has a relatively high output, and the product is of fairly uniform size.
Industry:Mining
