 | Junge, Malte, Oberthür, Thomas, Kraemer, Dennis, Melcher, Frank, Piña, Ruben, Derrey, Insa T., Manyeruke, Tawanda, Strauss, Harald (2019) Distribution of platinum-group elements in pristine and near-surface oxidized Platreef ore and the variation along strike, northern Bushveld Complex, South Africa. Mineralium Deposita, 54 (6) 885-912 doi:10.1007/s00126-018-0848-7 | Journal (article/letter/editorial) | | LA-ICP-MS measurements demonstrated that secondary iron oxides/ hydroxides and secondary silicates contain...shales of the Duitschland Formation, the Penge banded iron formation, and dolomites of the Malmani Subgroup...standardization was based on 57Fe using the mean iron contents in the minerals as determined by electron...the NIST610 glass (Jochum et al. 2011) and Lombard meteorite (Gilbert et al. 2012) were used. Beam size...4 analysis spots at NIST610 and 4 on the Lombard meteorite followed by 12 on the sample. Ablation was |  | | Journal (article/letter/editorial) | | Moreover, these grains are also isotopically zoned. Iron isotope analyses show lower d56Fe in metal cores...Acta 246 (2019) 123–137 2.1.2. Mass spectrometry Iron and Ni isotopic composition of the metal grains...spot. External standards are the ataxite iron meteorite Lombard, which was shown to be homogeneous in chemical...10–18 % of the entire metal fraction of this meteorite. In element maps it can be observed that Fe and...dominated by metal melt. Further constituents of this meteorite are abundant chondrules, rare Ca-Al-rich inclusions |  | Botcharnikov, R. E., Holtz, F., Mungall, J. E., Beermann, O., Linnen, R. L., Garbe-Schonberg, D. (2013) Behavior of gold in a magma at sulfide-sulfate transition: Revisited. American Mineralogist, 98 (8) 1459-1464 doi:10.2138/am.2013.4502 | Journal (article/letter/editorial) | | study of five reference materials and the Lombard meteorite for the determination of the platinum-group...F.v. (2007) The experimental calibration of the iron isotope fractionation factor between pyrrhotite |  | Large, Ross R., Gregory, Daniel D., Steadman, Jeffrey A., Tomkins, Andrew G., Lounejeva, Elena, Danyushevsky, Leonid V., Halpin, Jacqueline A., Maslennikov, Valeriy, Sack, Patrick J., Mukherjee, Indrani, Berry, Ron, Hickman, Arthur (2015) Gold in the oceans through time. Earth and Planetary Science Letters, 428. 139-150 doi:10.1016/j.epsl.2015.07.026 | Journal (article/letter/editorial) | | deposits sediment-hosted Au boring billion banded iron formation a b s t r a c t During sedimentation...high-Mg greenstone belts, black shales and banded iron formations, suggesting that increases in atmospheric...nanoparticles of pyrite make up to 10% of the filterable iron discharged by vent fluids. Plume particles of colloform...sandstones of the Hamersley Group, below the Brockman Iron Formation (Anbar et al., 2007; Gregory et al., 2015a)...locations show similar Au values in pyrite; Western USA, Belt Basin, Newland Formation (1470 Ma) and Northern |  | Rea, Maria Angelica, Shuster, Jeremiah, Hoffmann, Veit E., Schade, Markus, Bissett, Andrew, Reith, Frank (2019) Does the primary deposit affect the biogeochemical transformation of placer gold and associated biofilms?. Gondwana Research, 73. 77-95 doi:10.1016/j.gr.2019.04.002 | Journal (article/letter/editorial) | | reference materials from Astimex and P&H. Copper, iron and sulfur were calibrated on MA chalcopyrite...coupled to an Agilent 7700 ICP-MS (Resonetics, USA; Agilent, USA). The instrument was calibrated using USGS...California, USA). Amplicons were checked in 1.5% agarose gel with Gel Red (Biotium Inc., Hayward, CA, USA) 1:10...the abundance of Leptothrix sp., a manganese- and iron-oxidizing filamentous bacterium on gold particles... 1992. Enzymatic iron oxidation by Leptothrix discophora: identification of an iron-oxidizing protein |  | Bragagni, A., van Acken, D., Fonseca, R.O.C., Speelmanns, I.M., Wainwright, A.N., Heuser, A., Nowell, G.M., Luguet, A. (2018) Re-Os and HSE in individual base metal sulfide grains: Evaluating micro-analytical procedures using a sulfide reference material. Chemical Geology, 493. 426-440 doi:10.1016/j.chemgeo.2018.06.020 | Journal (article/letter/editorial) | | measured Os/188Os on one fragment of the Filomena iron meteorite (0.15 mg) and AN three fragments (0.14-1...of the pyroxenitic BMS and 100 mg of Filomena meteorite) using a conventional ED Carius tube digestion...187Os/188Os (reported only for the Filomena iron meteorite) overlapped within the stated precision. However...into an oven T for at least 24 hours at 60 °C. Iron and Ni metallic powders (Alfa Aesar, Puratronic...laboratory (DTM, Carnegie Institution of Washington, USA) it is possible that these authors have taken steps |  | Wang, Zaicong, Lazarov, Marina, Steinmann, Lena K., Becker, Harry, Zou, Zongqi, Geng, Xianlei (2018) The distribution of lead and thallium in mantle rocks: Insights from the Balmuccia peridotite massif (Italian Alps) American Mineralogist, 103 (8) 1185-1199 doi:10.2138/am-2018-6423 | Journal (article/letter/editorial) | | 610, PGE-A (a Ni sulfide standard) or the Lombard iron meteorite (Gilbert et al. 2013; Jochum et al. 2011;...study of five reference materials and the Lombard meteorite for the determination of the platinum-group...and metasomatism beneath the Rio Grande Rift, SW USA. Journal of Petrology, 53(8), 1709–1742. Harvey, |  | Zelenski, M., Kamenetsky, V.S., Mavrogenes, J.A., Danyushevsky, L.V., Matveev, D., Gurenko, A.A. (2017) Platinum-group elements and gold in sulfide melts from modern arc basalt (Tolbachik volcano, Kamchatka) Lithos, 290. 172-188 doi:10.1016/j.lithos.2017.08.012 | Journal (article/letter/editorial) | | surprisingly, the two most abundant elements (sulfur and iron) have M/M ratios close to unity (0.996 and 1.02...study of five reference materials and the Lombard meteorite for the determination of the platinum-group...minerals in chromite seams of the Stillwater complex, Montana. Economic Geology 81, 1179-1186. Tredoux, M., Lindsay |  | | Journal (article/letter/editorial) | | Smithsonian Institution, Washington, DC 20560, USA (gailloue@si.edu, postj@si.edu) 2 The University...Laboratory, 4555 Overlook Ave. SW, Washington, DC 20375, USA (james.butler@nrl.navy.mil) Natural, type IIb blue...Indiana University, Bloomington, IN, 47405-1405, USA (*correspondence: lingao@indiana.edu) 2 Division...California Institute of Technology, Pasadena, CA 91125, USA (als@gps.caltech.edu) 3 Geophysical Laboratory, Carnegie...Institution of Washington, Washington, DC 20015, USA (ywang1@ciw.edu) 4 Indiana Geological Survey, Indiana |  | | Journal (article/letter/editorial) | | area located on different footwall rocks (including iron formations), and (2) to incorporate LA-ICP-MS mapping...At drillhole TN207 the reef contacts the Penge (iron formations), which is overlain by the Duitschland...including the Malmani Dolomite). In detail, the iron formations are intercalated with shales, calc-silicates...found to aid in the recognition of recrystallized iron-rich sediments that may otherwise appear very similar...platinum-group element deposits in the Stillwater Complex, Montana. PhD dissertation, University of Washington. Boudreau |  | | Journal (article/letter/editorial) | | is partially replaced with saponite, celadonite, iron oxyhydroxides and chalcedony (Teagle et al., 2006;...Geol. 104, 539-562. Carmichael I. S. (1966) The iron-titanium oxides of salic volcanic rocks and their...study of five reference materials and the lombard meteorite for the determination of the Platinum‐Group...the light of studies in rock-buffered systems; I, Iron-copper-zinc-lead sulfide solubility relations. Econ |  | Aulbach, Sonja, Giuliani, Andrea, Fiorentini, Marco L., Baumgartner, Raphael J., Savard, Dany, Kamenetsky, Vadim S., Caruso, Stefano, Danyushevky, Leonid V., Powell, Will, Griffin, William L. (2021) Siderophile and chalcophile elements in spinels, sulphides and native Ni in strongly metasomatised xenoliths from the Bultfontein kimberlite (South Africa). Lithos, 380. 105880pp. doi:10.1016/j.lithos.2020.105880 | Journal (article/letter/editorial) | | chromite and silicate melt: The importance of ferric iron. Chemical Geology 302, 16-32. Brey, G.P., Köhler...Study of Five Reference Materials and the Lombard Meteorite for the Determination of the Platinum-Group |
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