- المجال: Mining
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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 possibly orthorhombic mineral, Al<sub>12</sub>V<sub>8</sub>O<sub>37</sub>.30H<sub>2</sub>O ; forms weakly pleochroic yellow flakes in argillaceous anthraxolitic vanadiferous deposits of Kurumsak and Balasanskandyk, Karatau, Kazakhstan.
Industry:Mining
A possibly orthorhombic mineral, Fe<sub>2 3</sub>(Mo<sub>6</sub>O <sub>4</sub>)<sub>3</sub>.8H<sub>2</sub>O ; forms yellow earthy powder, incrustation, or silky, fibrous, and radiating crystals from reaction of pyrite with molybdenite under supergene conditions; relatively common in porphyry copper deposits of Southwestern United States in old mine dumps with jarosite and goethite.
Industry:Mining
A possibly orthorhombic mineral, Fe<sub>2 3</sub>(Mo<sub>6</sub>O <sub>4</sub>)<sub>3</sub>.8H<sub>2</sub>O ; forms yellow earthy powder, incrustation, or silky, fibrous, and radiating crystals from reaction of pyrite with molybdenite under supergene conditions; relatively common in porphyry copper deposits of Southwestern United States in old mine dumps with jarosite and goethite.
Industry:Mining
A possibly orthorhombic mineral, Fe<sub>2 3</sub>(Mo<sub>6</sub>O <sub>4</sub>)<sub>3</sub>.8H<sub>2</sub>O ; forms yellow earthy powder, incrustation, or silky, fibrous, and radiating crystals from reaction of pyrite with molybdenite under supergene conditions; relatively common in porphyry copper deposits of Southwestern United States in old mine dumps with jarosite and goethite.
Industry:Mining
A possibly orthorhombic mineral, Fe<sub>2 3</sub>(Mo<sub>6</sub>O <sub>4</sub>)<sub>3</sub>.8H<sub>2</sub>O ; forms yellow earthy powder, incrustation, or silky, fibrous, and radiating crystals from reaction of pyrite with molybdenite under supergene conditions; relatively common in porphyry copper deposits of Southwestern United States in old mine dumps with jarosite and goethite.
Industry:Mining
A possibly orthorhombic mineral, Pb<sub>5</sub>Au(Te,Sb)<sub>4</sub>S<sub>5-8</sub>; occurs with other tellurides in lamellar, soft, heavy, lead-gray crystals; one perfect cleavage but may form anhedral masses.
Industry:Mining
A possibly orthorhombic mineral, Pb<sub>5</sub>Au(Te,Sb)<sub>4</sub>S<sub>5-8</sub>; occurs with other tellurides in lamellar, soft, heavy, lead-gray crystals; one perfect cleavage but may form anhedral masses.
Industry:Mining
A possibly tetragonal mineral, Co(UO<sub>2</sub>)<sub>2</sub>(AsO<sub>4</sub>)<sub>2</sub>.8H<sub>2</sub>O ; meta-autunite group.
Industry:Mining
A post marking a corner of a quarter section of the U.S. Public Land Survey system. It is located midway between section corners.
Industry:Mining
