- 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 ...
Lines constructed on a map of a coalbed connecting points of equal volatile matter, delineating the distribution of volatile matter of the coal.
Industry:Mining
Lines joining points of equal radioactivity, drawn from geiger- or scintillation-counter data to form an isorad map.
Industry:Mining
Lines that lie in the same plane and are equally distant from each other at all points. The term is ordinarily applied to straight lines.
Industry:Mining
Link chain wrapped several times around drill rod, casing, or pipe and used on the drum to spin up or spin out such equipment when it is being pulled or run into a borehole. A rope or flexible wire cable may be used in lieu of a chain.
Industry:Mining
Linkage of pairs of electrons so as to unite their atoms as a molecule. When an element has more than one valence, its commonest combination is called the principal valence.
Industry:Mining
Liquid petroleumlike product found in cavities of igneous rocks and assumed to be a product of thermal distillation of bituminous substances contained in the country rocks.
Industry:Mining
Liquid plus vapor CO<sub>2</sub>in cavities in minerals; e.g., quartz, topaz, and chrysoberyl. The meniscus vanishes under the warmth of the hand.
Industry:Mining
