 | Aubineau, Jérémie, El Albani, Abderrazak, Bekker, Andrey, Chi Fru, Ernest, Somogyi, Andrea, Medjoubi, Kadda, Riboulleau, Armelle, Meunier, Alain, Konhauser, Kurt O. (2020) Trace element perspective into the ca. 2.1-billion-year-old shallow-marine microbial mats from the Francevillian Group, Gabon. Chemical Geology, 543. 119620pp. doi:10.1016/j.chemgeo.2020.119620 | Journal (article/letter/editorial) | | d’Analyse des Roches et Minéraux (SARM) of the Centre de re Recherches Pétrographiques et Géochimiques (CRPG)...from 0.8 to 3 mm in thickness and contain euhedral pyrite crystals, 20 to 30 µm in size (Figs. 2b, c). In... are common. Numerous sub-euhedral to euhedral pyrite crystals with varying size, but generally smaller...cross-section perpendicular to the bedding plane. Note that pyrite grains and clay particles are developed within...Fe-(oxyhydr)oxide coatings were not found around the -p pyrite crystals (Figs. 2c, S2). In addition, the X-ray |  | Luz, Filipa, Mateus, António, Figueiras, Jorge, Tassinari, Colombo C.G., Ferreira, Ezequiel, Gonçalves, Luís (2019) Recognizing metasedimentary sequences potentially hosting concealed massive sulfide accumulations in the Iberian Pyrite Belt using geochemical fingerprints. Ore Geology Reviews, 107. 973-998 doi:10.1016/j.oregeorev.2019.03.020 | Journal (article/letter/editorial) | | concealed massive sulfide accumulations in the Iberian Pyrite Belt using geochemical fingerprints Filipa Luz...concealed massive sulfide accumulations in the Iberian Pyrite Belt using geochemical fingerprints, Ore Geology...concealed massive sulfide accumulations in the Iberian Pyrite Belt using geochemical fingerprints Filipa Luz1*...and IDL Instituto Dom Luiz, Faculdade de Ciências, Universidade de Lisboa, Ed. C6, Piso 4, 1749-016 Lisboa...and IDL Instituto Dom Luiz, Faculdade de Ciências, Universidade de 14 Lisboa, Ed. C6, Piso 4, 1749-016 |  | | Journal (article/letter/editorial) | | Politècnica de Catalunya Av de les Bases de Manresa 61-73, 08242 Manresa, Spain 2 Universitat de Barcelona...Barcelona, Dept. de Cristal·lografia, Mineralogia i Dipòsits Minerals Carrer Martí i Franquès, s/n, 08028 Barcelona...Dept. of Geology, University of Salamanca, Plaza de los Caídos s/n, 37008 Salamanca, Spain [Received...081.107. monazite, xenotime, native bismuth and pyrite. Alteration processes were mainly albitization...and involves child labour (Smith et al., 2012).'Brazil and China also contribute to global tantalum supply |  | | Journal (article/letter/editorial) | | Current address. Universidad Nacional de Cordoba-CONICET, Facultad de Ingenieria, Av. Vélez Sarsfield 1601...11a 51.2 PC 12 45.1 PC 13 74.6 PC14 44.7 PC15 51.0 PC17 50.8 PC18a 79.2 PC 19a 112.8 PC20 61.4 PC21 100...to microscopic burrowing and deposition of small pyrite particles throughout the sediment matrix. While...J. Geophys. Res. 104 (1999) 5081 – 5096. [4] J.L. de Roo, C.J. Peters, R.N. Lichtenthaler, G.A.M. Diepen |  | | Catalog/List | | are fo lded in the 'Lulworrh C rumple') Order Code PC17 Old Red Sandstone (Norrh face of Pen-yfan, 2906... felspar, quartz; Metalliferous minerals: iron pyrite, magnetite. Each specimen has been chosen co help...LITHO-PRINTED MAPS De la Beche Duria Antiquior Cartoon William Smith's English County Maps Sir Henry De la Beche...£35.50 + VAT (£6.21) Order Code PDURU (unframed) De la Beche Duria Anriquior Carcoon As early as 1799 |  | | Report (issue) | | orthoclase-PC09 and PC10 (loc. No. 5), PC16 (loc. No. 8), PC17 through PC20 (loc. Nos. 9 and 10), and PC25 and...to be the spotty occurrence of pyrite (or marcasite). Normative pyrite ranges from 0.6 percent (C23, C24...calculated as 100 minus the percent ash, normative pyrite was calculated from percent total iron, and clay...BK K K B figure 13 K l T T T TL 10 90 A Pyrite B ·~ ;;~ ~~ B ~ B SM -:1!! ·~ ~ ";S:)::i...----------~L-----------------------~0 30 20 Pyrite 10 FIGURE 13.-Comparison of samples of coal on |  | | Book | | of lowa, lowa, USA F Abrantes Instituto Nacional de Engenharia, Amadora, Portugal G Balco University...Georg-August-University of Gottingen, Gottingen, Germany DE Atkinson University of Alaska Fairbanks, AK, USA... J Brigham-Grette A Berger Université Catholique de Louvain, Louvain-la-Neuve, Belgium S M Bernasconi...Laboratoire de Glaciologie et Géophysique de Environnement, St. Martin d’Héres, France J-L de Beaulieu...National de la Recherche Aix-En-Provence, France B M Chase University of Oxford, Oxford, UK T de Garidel-Thoron |
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