 | Giuliani, G., Olivo, G.R., Marini, O.J., Michel, D. (1993) The Santa Rita gold deposit in the Proterozoic Paranoá Group, Goiás, Brazil: An example of fluid mixing during ore deposition. Ore Geology Reviews, 8 (6) 503-523 doi:10.1016/0169-1368(93)90042-w | Journal (article/letter/editorial) | | deposit in the Proterozoic Parano i Group, Goi ts, Brazil: An example of fluid mixing during ore deposition...Autarquias Norte, Quadra 1, Bloco B, 70040 Brasilia DF, Brazil dEcole Nationale Sup~rieure de G~ologie, B.P. 452...ABSTRACT The Santa Rita gold deposit (Central Goi~is, Brazil) is hosted by Middle to Upper Proterozoic carbonate-pelite...from the reactivation of older NE-SW lineaments. Pyrite is the sole sulphide and it shows growth zones...pyritization. A fluid inclusion study on quartz from pyrite-bearing quartz-carbonate veins led to the identification |  | Oliver, Nicholas H.S., Thomson, Brian, Freitas-Silva, Flavio H., Holcombe, Rodney J., Rusk, Brian, Almeida, Bruna S., Faure, Kevin, Davidson, Garry R., Esper, Eldrick L., Guimarães, Paulo J., Dardenne, Marcel A. (2015) Local and Regional Mass Transfer During Thrusting, Veining, and Boudinage in the Genesis of the Giant Shale-Hosted Paracatu Gold Deposit, Minas Gerais, Brazil. Economic Geology, 110 (7) 1803-1834 doi:10.2113/econgeo.110.7.1803 | Journal (article/letter/editorial) | | Shale-Hosted Paracatu Gold Deposit, Minas Gerais, Brazil* Nicholas H.S. Oliver,1,2,† Brian Thomson,3 Flavio...Andar, Cruzeiro, Belo Horizonte – MG 30130-009, Brazil 4 Instituto 5 School de Geociências, Universidade...Universidade de Brasília, Brasília DF, 70910-900, Brazil of Earth Sciences, University of Queensland, St Lucia...understand the genesis of the Paracatu deposit in Brazil, a shallow-dipping, bulk-tonnage, vein-style low-grade...of the ore. Oxygen, hydrogen, and sulfur isotopes do not reveal a distinctive external fluid source; rather |  | de Oliveira, Daniel Pontes, Queiroz, Hermano Melo, Perlatti, Fabio, Ferreira, Amanda Duim, Asensio, Verónica, Nóbrega, Gabriel Nuto, Otero, Xosé Luis, Ferreira, Tiago Osório (2022) Cu Dynamics in the Rhizosphere of Native Tropical Species: Assessing the Potential for Phytostabilization in Mining-Impacted Soils. Minerals, 12 (2) 130 doi:10.3390/min12020130 | Journal (article/letter/editorial) | | 60455-760, CE, Brazil; daniel.oliveira@ufca.edu.br Departamento de Biologia, Universidade Federal do Cariri (UFCA)...(UFCA), Juazeiro do Norte 60021-970, CE, Brazil Luiz de Queiroz College of Agriculture, University of...São Paulo (ESALQ-USP), Piracicaba 13418-900, SP, Brazil; hermanomelo@usp.br (H.M.Q.); fperlatti@usp.br...National Mining Agency-ANM, São Paulo 04040-033, SP, Brazil Edafotec SL, 36201 Vigo, Spain; vfandino@cena.usp...Federal Fluminense University, Niterói 24020-141, RJ, Brazil; gabrielnn@id.uff.br CRETUS, Department of Soil |  | | Corporate Document | | is based on information prepared by Mr David Andreazza and Mr Kim Robinson who are both Competent Persons... Mr Andreazza and Mr Robinson are full-time employees of Energia Minerals Limited. Mr Andreazza and Mr...Results, Mineral Resources and Ore Reserves”. Mr Andreazza and Mr Robinson consent to the inclusion in this...holes (collar and down-hole surveys), trenches, mine workings and other locations used in Mineral Resource...explanation Commentary iron sphalerite, galena, pyrite, and minor silver. Gorno lies in a part of the |  | Westall, Frances, Cavalazzi, Barbara, Lemelle, Laurence, Marrocchi, Yves, Rouzaud, Jean-Noël, Simionovici, Alexandre, Salomé, Murielle, Mostefaoui, Smail, Andreazza, Caroline, Foucher, Frédéric, Toporski, Jan, Jauss, Andrea, Thiel, Volker, Southam, Gordon, MacLean, Lachlan, Wirick, Susan, Hofmann, Axel, Meibom, Anders, Robert, François, Défarge, Christian (2011) Implications of in situ calcification for photosynthesis in a ~3.3Ga-old microbial biofilm from the Barberton greenstone belt, South Africa. Earth and Planetary Science Letters, 310 (3) 468-479 doi:10.1016/j.epsl.2011.08.029 | Journal (article/letter/editorial) | | Murielle Salomé f, Smail Mostefaoui c, Caroline Andreazza g, Frédéric Foucher a, Jan Toporski h, Andrea...filaments at the surface. Crystallites of pseudomorphed pyrite are also associated with the biofilm suggesting...Salomé), caroline.andreazza@univ-orleans.fr (C. Andreazza), jan.toporski@witec.de (J. Toporski), vthiel@gwdg...demonstrated that these combined characteristics do not occur in microbial mats formed by nonphotosynthesising...old) S-containing molecule thiophene, pyrite Anaerobic (pyrite) Some vertical distribution indicated |  | | Journal (issue) | | and HOFMANN, A., (2015). Trace element mapping of pyrite from Archean gold deposits – a comparison between...R., (2013). Trace element mapping in pyrite from the Sheba Mine using LA-ICP-MS. Conference paper: Igneous...Editor, (2008). Barberton Gold: Field excursion and mine visits to the Archaean Barberton Greenstone Belt... DE WIT, M. J., (2004). Archean greenstone belts do contain fragments of ophiolites. In: Kusky, T. M...Archaean gold mineralisation in the Sheba-Fairview mine, Barberton Greenstone Belt, South Africa. South |  | | Journal (article/letter/editorial) | | collapsed cytoplasm (cf. Westall et al., 1995). Pyrite crystals frequently occur inside or adjacent to...Raman analyses also demonstrate the presence of pyrite and, very rarely, hydroxyapatite associated with...deformed plastically and that roll-up structures do occur in the conglomerate, it could be argued that...Life Evol Biosph 34:257–269. Buisson, M. (2011) La grande fissure à fluorine de Mazerier, Bègues, Allier...Simionovici, A., Salomé, M., Mostefaoui, S., Andreazza, C., Foucher, F., Toporski, J., Jauss, A., Thiel |  | Shao, Hongbo, Freiburg, Jared T., Berger, Peter M., Taylor, Alexander H., Cohen, Hanna F., Locke, Randall A. (2020) Mobilization of trace metals from caprock and formation rocks at the Illinois Basin – Decatur Project demonstration site under geological carbon dioxide sequestration conditions. Chemical Geology, 550. 119758pp. doi:10.1016/j.chemgeo.2020.119758 | Journal (article/letter/editorial) | | readily released into fluid than that associated with pyrite under reducing conditions (Shao et al., 2014)....associated with pyrite, whereas Cr is linked to iron bearing clays and Ni to pyrite and phyllosilicates...that in their samples, Ni was mainly present in pyrite and phyllosilicates. In our previous work, we analyzed...of As, Pb, and Cu were detected in a zone where pyrite was a dominant mineral phase, suggesting that As...As, Pb, and Cu were associated primarily with pyrite. The same study also revealed that significant amounts |  | Cady, Lawrence P., Brack, André, Bueno Prieto, Jorge E., Cockell, Charles, Horneck, Gerda, Kasting, James F., Lineweaver, Charles H., Raulin, François, Schopf, J. William, Sleep, Norman, von Bloh, Werner, Westall, Frances, Deamer, David, Lehman, Niles, Pérez-Mercader, Juan (2014) Where Do We Go from Here? Astrobiology Editorial Board Opinions. Astrobiology, 14 (8) 629-644 doi:10.1089/ast.2014.1405 | Journal (article/letter/editorial) | | Ann Liebert, Inc. DOI: 10.1089/ast.2014.1405 Where Do We Go from Here? Astrobiology Editorial Board Opinions...(TPF) space telescope. We know pretty well how to do this already. There are three possible designs: an...One, as I am not a fan of suicide missions. If we do eventually fly TPF and find evidence for life on...of biomarker gases, such as O2, O3, and CH4. If we do observe these gases on another planet, debate is...it—and see what makes it work. We won’t be able to do that by making remote observations. If that is the |  | Gourier, Didier, Binet, Laurent, Calligaro, Thomas, Cappelli, Serena, Vezin, Hervé, Bréhéret, Jean, Hickman-Lewis, Keyron, Gautret, Pascale, Foucher, Frédéric, Campbell, Kathy, Westall, Frances (2019) Extraterrestrial organic matter preserved in 3.33 Ga sediments from Barberton, South Africa. Geochimica et Cosmochimica Acta, 258. 207-225 doi:10.1016/j.gca.2019.05.009 | Journal (article/letter/editorial) | | and includes a small component (< 0.2%) of minute pyrite crystallites. It is separated from the second carbonaceous...of EPR signal are given in arbitrary units, which do not reflect their abundance. For example, Fe3+ impurities...presence of small amounts of microcrystalline (< 5µm) pyrite in the Josefsdal Cherts (Westall et al. 2015),...vein and the F’ and F’’’ laminae (Fig. 9C). Since pyrite may be excluded as the principal iron bearing mineral...JN., Simionovici A., Salome M., Mostefaoui S., Andreazza C., Foucher F., Toporski J., Jauss A., Thiel V |  | Westall, Frances, Foucher, Frédéric, Bost, Nicolas, Bertrand, Marylène, Loizeau, Damien, Vago, Jorge L., Kminek, Gerhard, Gaboyer, Frédéric, Campbell, Kathleen A., Bréhéret, Jean-Gabriel, Gautret, Pascale, Cockell, Charles S. (2015) Biosignatures on Mars: What, Where, and How? Implications for the Search for Martian Life. Astrobiology, 15 (11) 998-1029 doi:10.1089/ast.2015.1374 | Journal (article/letter/editorial) | | iron oxidation Aerobic iron oxidation Anaerobic pyrite oxidation Anaerobic sulfides oxidation NH3 NO2NH4+...juxtaposed, seemingly imitating cell division, they do not have many of the attributes of the biogenic coccoids...hydrothermal secondary minerals—silica, siderite, pyrite Cement Silica Habitable environment pH acidic–neutral...fluids can be considered to be oligotrophic. They do not present a clotted fabric (Fig. 9), and carbon...to the particle surface, the question arises: why do the particles close to hydrothermal vents have such |  | | Book (volume) | | (1982), Perth, Western Australia (1987), Araxa, Brazil (1991), Novosibirsk, Russia (1995), Cape Town (1998)...IKC Committees and Sponsors xiii Sponsors The Rio Tinto’s diamond sponsorship has been utilized for...delegates to visit their properties at Majhgawan. The Rio Tinto India Exploration Ltd. has permitted the delegates...petrographic/ paragenetic information but unfortunately do not typically provide data for hydrogen isotopes...residual hydrothermal sols or gel-forming fluids do not form discrete segregations (Fig. 4). In this |  | Westall, F., Hickman-Lewis, K., Hinman, N., Gautret, P., Campbell, K.A., Bréhéret, J.G., Foucher, F., Hubert, A., Sorieul, S., Dass, A.V., Kee, T.P., Georgelin, T., Brack, A. (2018) A Hydrothermal-Sedimentary Context for the Origin of Life. Astrobiology, 18 (3) 259-293 doi:10.1089/ast.2017.1680 | Journal (article/letter/editorial) | | simultaneously from a single source. Clearly, we still do not understand the fundamental mechanisms by which...Moon-forming impact. Their estimations, however, do not take into account the aforementioned greenhouse...as well as traces of carbon and microcrystalline pyrite (Facies D, after Westall et al., 2015a). (B) Optical...sediments). Secondary minerals included Fe carbonate, pyrite, and barite. A meteoritic/micrometeoritic component...Simionovici, A., Salomé, M., Mostefaoui, S., Andreazza, C., Foucher, F., Toporski, J., Jauss, A., Thiel |  | Meadows, Victoria S., Reinhard, Christopher T., Arney, Giada N., Parenteau, Mary N., Schwieterman, Edward W., Domagal-Goldman, Shawn D., Lincowski, Andrew P., Stapelfeldt, Karl R., Rauer, Heike, DasSarma, Shiladitya, Hegde, Siddharth, Narita, Norio, Deitrick, Russell, Lustig-Yaeger, Jacob, Lyons, Timothy W., Siegler, Nicholas, Grenfell, J. Lee (2018) Exoplanet Biosignatures: Understanding Oxygen as a Biosignature in the Context of Its Environment. Astrobiology, 18 (6) 630-662 doi:10.1089/ast.2017.1727 | Journal (article/letter/editorial) | | observations and increase our confidence that they do indeed indicate the presence of life. Knowledge gained...transfers electrons from organic matter to sedimentary pyrite (FeS2), the burial of which similarly results in...(including previously buried organic carbon and pyrite sulfur) and through reaction with volcanic and...planetary property, a low inventory of gases that do not condense at typical habitable zone terrestrial...although an orbital solution for the planet will do this also. At this stage, direct constraints on planetary |  | | Book (volume) | | intensive and extensive parameters whose products do not have the dimension of energy. They may be coupled...centres of gravity of the positive and negative charges do not coincide in the unit cell. They present therefore... A3 3A2 , which possesses symmetry elements that do not exist in the effect, and piezoelectricity cannot...conductivity tensor is symmetric because circulating flows do not produce any detectable effects etc. 1.1.4.5...that have elements in common with O(3)\SO(3) but do not contain E; such groups are isomorphic to a group |  | Beaty, D. W., Grady, M. M., McSween, H. Y., Sefton-Nash, E., Carrier, B. L., Altieri, F., Amelin, Y., Ammannito, E., Anand, M., Benning, L. G., Bishop, J. L., Borg, L. E., Boucher, D., Brucato, J. R., Busemann, H., Campbell, K. A., Czaja, A. D., Debaille, V., Des Marais, D. J., Dixon, M., Ehlmann, B. L., Farmer, J. D., Fernandez-Remolar, D. C., Filiberto, J., Fogarty, J., Glavin, D. P., Goreva, Y. S., Hallis, L. J., Harrington, A. D., Hausrath, E. M., Herd, C. D. K., Horgan, B., Humayun, M., Kleine, T., Kleinhenz, J., Mackelprang, R., Mangold, N., Mayhew, L. E., McCoy, J. T., McCubbin, F. M., McLennan, S. M., Moser, D. E., Moynier, F., Mustard, J. F., Niles, P. B., Ori, G. G., Raulin, F., Rettberg, P., Rucker, M. A., Schmitz, N., Schwenzer, S. P., Sephton, M. A., Shaheen, R., Sharp, Z. D., Shuster, D. L., Siljeström, S., Smith, C. L., Spry, J. A., Steele, A., Swindle, T. D., ten Kate, I. L., Tosca, N. J., Usui, T., Van Kranendonk, M. J., Wadhwa, M., Weiss, B. P., Werner, S. C., Westall, F., Wheeler, R. M., Zipfel, J., Zorzano, M. P. (2019) The potential science and engineering value of samples delivered to Earth by Mars sample return. Meteoritics & Planetary Science, 54. doi:10.1111/maps.13242 | Journal (article/letter/editorial) | | ...................................... i.6.2 How Do the iMOST Objectives Represent a Change from Previous...aspect of the search for evidence of life is that we do not know in advance how evidence for Martian life...available to the M-2020 team. The measurements listed do not necessarily encompass all possible measurements...we can see it from orbit, it is there, but if we do not see it from orbit, it does not mean it is absent...rover is outside the scope of this study. i.6.2 How Do the iMOST Objectives Represent a Change from Previous |
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