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United States Bureau of Mines
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 ...
Any mineral having a considerable portion of iron in its composition. Compare: ferromagnesian mineral
Industry:Mining
Any mineral species that yields varieties with sufficient beauty and durability to be classed as gemstones.
Industry:Mining
Any mineral the presence of which is not essential to the classification of the rock. Accessory minerals generally occur in minor amounts; in sedimentary rocks they are mostly heavy minerals. Compare: essential mineral.
Industry:Mining
Any mineral the presence of which is not essential to the classification of the rock. Accessory minerals generally occur in minor amounts; in sedimentary rocks they are mostly heavy minerals. Compare: essential mineral.
Industry:Mining
Any mollusk belonging to the class Gastropoda, characterized by a distinct head with eyes and tentacles and, in most, by a single calcareous shell that is closed at the apex, sometimes spiralled, not chambered, and generally asymmetrical; e.g., a snail. Range, Upper Cambrian to present.
Industry:Mining
Any moss from which peat has formed or may form.
Industry:Mining
Any natural feature--such as alteration products, geochemical variations, local structures, or plant growth--known to be indicative of an orebody or mineral occurrence.
Industry:Mining
Any natural or artificial pond or lagoon for settling and draining the solids from washery slurry.
Industry:Mining
Any of a group of refractories including alumina, magnesia, thoria, zirconia, beryllia, and ceria.
Industry:Mining
Any of a group of resinous, usually fossilized, mineral hydrocarbon deposits; e.g., bitumen and asphalt.
Industry:Mining