- Sektör: Mining
- Number of terms: 33118
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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 form or sample of an element containing one or more radioactive isotopes.
Industry:Mining
A formation from which it is nearly impossible to recover core, so that sampling is done by collecting the drill cuttings or sludge.
Industry:Mining
A formation that shows successive beds, layers, or strata owing to the manner in which it was formed.
Industry:Mining
A former name for a micaceous clay later shown to be a mixture of montmorillonite and illite.
Industry:Mining
A former name for allanite, esp. when found in slender prismatic or acicular crystals.
Industry:Mining
A former name for alstonite, a triclinic mineral, BaCa(CO<sub>3</sub>)<sub>2</sub>; pseudo-orthorhombic and trimorphous with barytocalcite and paralstonite.
Industry:Mining
A former name for auricupride, an orthorhombic mineral, Cu<sub>3</sub>Au.
Industry:Mining
A former name for auricupride, an orthorhombic mineral, Cu<sub>3</sub>Au.
Industry:Mining
A former name for bayldonite, a monoclinic mineral, PbCu<sub>3</sub>(AsO<sub>4</sub>)<sub>2</sub>(OH)<sub>2</sub>.H<sub>2</sub>O ; forms minute grass-green to blackish-green mammillary masses.
Industry:Mining