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selenium

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Journal Article
Published: 29 January 2020
Quarterly Journal of Engineering Geology and Hydrogeology (2020) qjegh2019-121.
... techniques result in improved selenium concentrations of discharge water as compared to conventional reclamation for valley-fills constructed of blasted rock. Comparisons investigated if groundwater and contaminant desorption could be improved by altering valley-fill construction. Three-dimensional finite...
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Journal Article
Journal: Economic Geology
Published: 01 January 2020
Economic Geology (2020) 115 (1): 101–128.
... ( Appendix Table A1 ). The selenium content varies from below the detection limit (0.01 wt %) to 11.6 wt % ( Zhai et al., 2019c ), and is heterogeneously distributed within individual crystals ( Fig. 7 ). Canfieldite is the only mineral that contains significant Se. There are also minor to trace amounts...
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Journal Article
Journal: Economic Geology
Published: 01 September 2019
Economic Geology (2019) 114 (6): 1135–1158.
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Journal Article
Published: 01 May 2019
Environmental and Engineering Geoscience (2019) 25 (2): 179–188.
..., iron, barium, chromium, arsenic, copper, manganese, nickel, selenium, lead, and zinc were determined for source partition and heavy metal pollution index (HMPI) assessment during both the spring and winter seasons. Four important dominant factors in the principal component analysis depicted, in toto...
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Journal Article
Journal: Economic Geology
Published: 01 March 2019
Economic Geology (2019) 114 (2): 201–206.
... in platinum nuggets from Chocó (a) and Bom Sucesso (b). Laser ablation started at ca. 25 s. Iron, Ni, Pd, Os, and Ir exhibit plateau-like analytical signals in a, indicating their homogeneous distribution within platinum at the ablation spot. Selenium is close to the background in a, but its signal...
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Journal Article
Published: 01 February 2019
American Mineralogist (2019) 104 (2): 190–206.
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Journal Article
Published: 08 October 2018
Mineralogical Magazine (2019) 83 (3): 419–426.
...Degao Zhai; Luca Bindi; Panagiotis C. Voudouris; Jiajun Liu; Stylianos F. Tombros; Kuan Li Abstract During a study of the ore minerals belonging to the recently discovered Shuangjianzishan Ag–Pb–Zn deposit in NE China, we have discovered exceptional selenium enrichment in canfieldite (up to 11.6 wt...
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Journal Article
Published: 21 August 2018
Quarterly Journal of Engineering Geology and Hydrogeology (2018) 51 (4): 503–508.
...John Parnell; Liam Bullock; Joseph Armstrong; Magali Perez Abstract The Bowland Shale Formation is anomalously rich in selenium (Se) at levels an order of magnitude greater than other black shales. The Mam Tor landslide, Derbyshire, England, offers an opportunity to measure whether the Se anomaly...
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Journal Article
Published: 01 June 2018
Mineralogical Magazine (2018) 82 (3): 697–724.
... of a thematic set in memory of Professor Hazel M. Prichard Associate Editor: John Bowles † Deceased Jan 2017 mafic VMS selenium Troodos Ophiolite LA-ICP-MS sulfides Volcanogenic massive sulfide (VMS) deposits are important sources of base and trace metals, supplying 22...
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Journal Article
Published: 01 June 2018
Mineralogical Magazine (2018) 82 (3): 649–674.
...@igm.nsc.ru Associate Editor: Stephen Barnes epithermal gold deposit Gaching ore occurrence AuSe Au(Te,Se,S) Au 2 Te 4 (Se,S) 3 unnamed phases Au oxide oxygen fugacity tellurium fugacity selenium fugacity sulfur fugacity Epithermal deposits are the products of large-scale...
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Journal Article
Published: 01 May 2018
Mineralogical Magazine (2018) 82 (S1): S5–S41.
...J. R. S. Carvalho; J. M. R. S. Relvas; A. M. M. Pinto; M. Frenzel; J. Krause; J. Gutzmer; N. Pacheco; R. Fonseca; S. Santos; P. Caetano; T. Reis; M. Gonçalves ABSTRACT High concentrations of indium (In) and selenium (Se) have been reported in the Neves-Corvo volcanic-hosted massive sulfide deposit...
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Journal Article
Published: 01 May 2018
Mineralogical Magazine (2018) 82 (S1): S61–S87.
.... The enrichment of certain trace ore elements, such as Te, Se and Bi, in the Puesto La Estancia and Cerro Mogote prospects, emphasizes a likely magmatic contribution to the mineralized fluid (Cooke and McPhail, 2001 ). Selenium is a highly chalcophile element and substitutes readily for sulfur in sulfide...
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Journal Article
Journal: Economic Geology
Published: 01 May 2018
Economic Geology (2018) 113 (3): 675–698.
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Journal Article
Published: 06 April 2018
Geochemistry: Exploration, Environment, Analysis (2018) 18 (3): 229–240.
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Journal Article
Published: 31 March 2018
The Canadian Mineralogist (2018) 56 (2): 113–127.
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Journal Article
Published: 10 January 2018
Scottish Journal of Geology (2018) 54 (1): 37–49.
...Liam A. Bullock; John Parnell; Magali Perez; Adrian Boyce; Joerg Feldmann; Joseph G.T. Armstrong Abstract Carboniferous coals of the Ayrshire Coalfield are enriched in selenium (Se) relative to average UK and world compositions, substituting for sulphur in pyrite. Greenburn surface mine coals...
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Journal Article
Published: 01 August 2017
European Journal of Mineralogy (2017) 29 (4): 613–621.
...% laurite grains), followed by Os- and Ir-dominant alloys (i.e., the minerals osmium and iridium, respectively); unnamed phases of ruthenium selenide [RuSe 2 ] and rhodium telluride [RhTe] are rare. Selenium-rich laurite, not reported previously, likely belongs to an inferred RuS 2 –RuSe 2 series. Native Ru...
Journal Article
Published: 01 August 2017
European Journal of Mineralogy (2017) 29 (4): 645–652.
.... Schweizerbart'sche Verlagsbuchhandlung Science Publishers The bulk of selenium today is obtained from the left-overs of Cu-ore electrolysis or from sludge from sulphuric acid factories. But in spite of the generally low Se background in sulphide deposits, nature exhibits areas and types of occurrences/deposits...
Journal Article
Published: 01 August 2017
European Journal of Mineralogy (2017) 29 (4): 653–661.
...: skacha-p@muzeum-pribram.cz 09 8 2016 16 11 2016 16 11 2016 příbramite new mineral Se-analogue of chalcostibite copper antimony selenide selenide minerals crystal structure uranium deposit Příbram Czech Republic Příbramite, the selenium analogue of chalcostibite...
Journal Article
Published: 01 August 2017
European Journal of Mineralogy (2017) 29 (4): 663–672.
... selenium deposit, La Rioja, Argentina. The original crystallographic data indicated that brodtkorbite is monoclinic, space group P 2/ n , with a 7.492 Å, b 4.177 Å, c 7.239 Å, and β 114.2°, but its crystal structure was not determined. A new find of brodtkorbite at the Příbram uranium and base-metal...