- 行业: Mining
- Number of terms: 33118
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- 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 ...
An orthorhombic mnineral, HgO ; sectile; perfect cleavage; sp gr, 11.2; a rare secondary mineral; in the oxidized zone of some mercury deposits.
Industry:Mining
An orthorhombic or monoclinic mineral, Na<sub>2</sub>Ca(SO<sub>4</sub>)<sub>2</sub>.4H<sub>2</sub>O(?) ; forms hairlike crystals. Also spelled wattevilleite.
Industry:Mining
An orthorhombic(?) mineral, (Cu,Fe)<sub>5</sub>AsS<sub>6</sub>(?) ; metallic gray; forms prismatic crystals resembling arsenopyrite implanted on barite at the Neugl#1.uck Mine near Wittichen, Germany.
Industry:Mining
An orthorhombic(?) mineral, (NH<sub>4</sub>)(UO<sub>2</sub>)(PO<sub>4</sub>).3H<sub>2</sub>O ; meta-autunite group; forms bottle-green flakes in the oxidation zone of a uranium-coal deposit.
Industry:Mining
An orthorhombic(?) mineral, (UO<sub>3</sub>)<sub>2</sub>V<sub>6</sub>O<sub>15</sub>.15H<sub>2</sub>O(?) ; radioactive; brownish-yellow; in asphaltic sandstone with carnotite, rauvite, hewettite, metatorbernite, hyalite, and gypsum; from Utah; resembles carnotite.
Industry:Mining
An orthorhombic(?) mineral, Al<sub>4</sub>(SO<sub>4</sub>)(OH)<sub>11</sub>.5H<sub>2</sub>O ; massive; soft; snow white; associated with marcasite, stibnite, and barite at Felsoebanya, Romania. Also spelled felsoebanyite. Compare: basaluminite
Industry:Mining
An orthorhombic(?) mineral, Cu<sub>5</sub>(VO<sub>4</sub>)<sub>2</sub>(OH)<sub>4</sub>(?) ; weakly radioactive; green; forms reniform crusts and spherical concretions having a radial fibrous structure with other vanadium and uranium minerals; in cavities in limestone; at Tyuya Muyun, Fergana, Turkistan.
Industry:Mining
An oscillating or vibrating screen on which the ore is thrown upward, as well as moved forward on the screen.
Industry:Mining
An outcome of the pulsator classifier, in which a pulsating column of water is used in the jig.
Industry:Mining
