 | Monkawa, Akira, Mikouchi, Takashi, Koizumi, Eisuke, Sugiyama, Kazumasa, Miyamoto, Masamichi (2006) Determination of the Fe oxidation state of the Chassigny kaersutite: A microXANES spectroscopic study. Meteoritics & Planetary Science, 41 (9) 1321-1329 doi:10.1111/j.1945-5100.2006.tb00524.x | Journal (article/letter/editorial) | | Determination of the Fe oxidation state of the Chassigny kaersutite: A microXANES spectroscopic study Akira...of low-H kaersutites in Martian meteorites, the Fe3+/ΣFe ratio of Chassigny kaersutites in magmatic inclusions...the linear relationship, the Fe3+/ΣFe ratio of Chassigny kaersutites is estimated to be about 0.05. The...ratio clearly suggests that low-H kaersutites in Chassigny are not likely to be formed by the oxidation-dehydrogenation...oxidation-dehydrogenation reactions. The low-H content of the Chassigny kaersutites is mainly due to the presence of a |  | Beck, P., Barrat, J.A., Gillet, Ph., Wadhwa, M., Franchi, I.A., Greenwood, R.C., Bohn, M., Cotten, J., van de Moortèle, B., Reynard, B. (2006) Petrography and geochemistry of the chassignite Northwest Africa 2737 (NWA 2737) Geochimica et Cosmochimica Acta, 70 (8) 2127-2139 doi:10.1016/j.gca.2006.01.016 | Journal (article/letter/editorial) | | de Lyon, 46 allée d’Italie, 69364 Lyon Cedex 7, France b U.B.O.-I.U.E.M., CNRS UMR 6538 (Domaines Océaniques)...place Nicolas Copernic, F-29280 Plouzané Cedex, France c Department of Geology, The Field Museum, 1400...geochemistry of the Northwest Africa 2737 (NWA 2737) meteorite that was recovered from the Morrocan Sahara in...glass (1.6 wt%) and apatite (0.2 wt%). Unlike Chassigny, plagioclase has not been observed in NWA 2737...related to the strong shock experienced by the meteorite as revealed by the deformation features observed |  | | Journal (article/letter/editorial) | | ratios of the melt-inclusion pyroxenes in the Chassigny meteorite. Pyroxene compositions suggest early high...that the melt trapped in cumulus olivine of the Chassigny dunite was similar to a terrestrial silica-saturated...and atmosphere, to its surface morphology. The Martian shergottite, nakhlite, and chassignite (SNC) meteorites...1998) are invaluable sources of information about Martian magmatism. However, this information has proven...rim material. For the cumulates, specifically Chassigny and the nakhlites, workers have developed approximations |  | Baumgartner, Raphael J., Fiorentini, Marco L., Baratoux, David, Ferrière, Ludovic, Locmelis, Marek, Tomkins, Andrew, Sener, Kerim A. (2017) The variability of ruthenium in chromite from chassignite and olivine-phyric shergottite meteorites: New insights into the behavior of PGE and sulfur in Martian magmatic systems. Meteoritics & Planetary Science, 52 (2) 333-350 doi:10.1111/maps.12795 | Journal (article/letter/editorial) | | insights into the behavior of PGE and sulfur in Martian magmatic systems Raphael J. BAUMGARTNER1*, Marco...IRD and University of Toulouse, 31400 Toulouse, France 3 Institut Fondamental d’Afrique Noire Cheikh Anta...revision accepted 08 October 2016) Abstract–The Martian meteorites comprise mantle-derived mafic to ultramafic...insights into the sulfide saturation history of Martian mantle-derived melts. The new data reveal distinctive...distinctive differences between the two meteorite groups. Chromite from the chassignites Northwest Africa |  | Giesting, Paul A., Schwenzer, Susanne P., Filiberto, Justin, Starkey, Natalie A., Franchi, Ian A., Treiman, Allan H., Tindle, Andy G., Grady, Monica M. (2015) Igneous and shock processes affecting chassignite amphibole evaluated using chlorine/water partitioning and hydrogen isotopes. Meteoritics & Planetary Science, 50 (3) 433-460 doi:10.1111/maps.12430 | Journal (article/letter/editorial) | | initial 0.7–0.8 wt% H2O due to intense shock. Chassigny amphibole had on average 0.3– 0.4 wt% H2O and...+3700&; it absorbed Martian atmosphere-derived heavy H in the aftermath of shock. Chassigny amphibole, with...degassing of Martian magma were more Cl-rich than on Earth, resulting in the high Cl content of Martian surface...would have strongly affected the chemistry of the Martian atmosphere and hydrosphere (Greenwood and Blake...and F are more abundant relative to H2O in many Martian meteorites compared to terrestrial rocks of similar |  | Leroux, Hugues, Jacob, Damien, Marinova, Maya, Hewins, Roger H., Zanda, Brigitte, Pont, Sylvain, Lorand, Jean-Pierre, Humayun, Munir (2016) Exsolution and shock microstructures of igneous pyroxene clasts in the Northwest Africa 7533 Martian meteorite. Meteoritics & Planetary Science, 51 (5) 932-945 doi:10.1111/maps.12637 | Journal (article/letter/editorial) | | pyroxene clasts in the Northwest Africa 7533 Martian meteorite Hugues LEROUX1*, Damien JACOB1, Maya MARINOVA2...d’Ascq, France 2 Institut Chevreul, University of Lille & CNRS, F-59655 Villeneuve d’Ascq, France 3 Institut...Universite Paris 06, IRD & CNRS, 75005 Paris, France 4 Department of Earth and Planetary Sciences, Rutgers...77 Av. Denfert Rochereau, F-75014 Paris Cedex, France 6 Laboratoire de Planetologie et Geodynamique...Geodynamique, Universite de Nantes, 44322 Nantes, France 7 Department of Earth, Ocean & Atmospheric Science and |  | McCubbin, F. M., Shearer, C. K., Burger, P. V., Hauri, E. H., Wang, J., Elardo, S. M., Papike, J. J. (2014) Volatile abundances of coexisting merrillite and apatite in the martian meteorite Shergotty: Implications for merrillite in hydrous magmas. American Mineralogist, 99 (7) 1347-1354 doi:10.2138/am.2014.4782 | Journal (article/letter/editorial) | | coexisting merrillite and apatite in the martian meteorite Shergotty: Implications for merrillite in...formed were “very dry.” However, the Shergotty martian meteorite has been reported to contain both apatite...aqueous fluids. Keywords: Water on Mars, martian meteorite, SIMS, whitlockite, phosphates Introduction...whitlockite have been used interchangeably in the meteorite literature. Much of the confusion regarding the...There are some reports of “whitlockite” in the meteorite literature; however, these likely represent misidentifications |  | | Journal (article/letter/editorial) | | meteorites are composed of subrounded Fe,Ni sulfides, magnetite occurring as individual rounded crystals (10s...particular, the absence of calcite, lower abundance of magnetite and relatively high microprobe analysis totals...enveloping compound chondrule from the Allende meteorite. Sample Description: The enveloping compound chondrule...graphite grains extracted from the Murchison meteorite have a range of density (1.6–2.2 g/cm3) [1]. Low-density...separates (2.02–2.12 g/cm3) from the Orgueil meteorite [5]. Grains from KFB1 show two distinct populations: |  | | Journal (article/letter/editorial) | | that decomposition of H2O2(aq) in presence of magnetite follows pseudo first order kinetics, highly enhanced...of H2O2(aq) aqueous solutions coexisting with magnetite than in the absence of mineral phases. This behavior...are consistent with previous studies. However, magnetite-bearing experiments produce a negative shift in...important implications for putative H2O2(aq)-bearing Martian subsurface environments and the evolution of organics...1. INTRODUCTION The presence of methane in the Martian atmosphere has recently been reported by ground-based |  | | Journal (article/letter/editorial) | | characterized by following assemblages: clinopyroxene + magnetite + quartz + calcite. The paragenetic relationships...Fe(OH)2 + CO2 = ilvaite + magnetite + quartz + calcite + H2 hedenbergite + magnetite + Fe(OH)2 = ilvaite The...Paris-Diderot, CNRS; 2 place Jussieu, 75005 Paris, France (manhes@ipgp.jussieu.fr; gopel@ipgp.jussieu.fr...fractionationation observed in FUN inclusions of Allende meteorite (Fujii, Moynier and Albarède, 2006) implying the...M. CHAUSSIDON1, F. ROBERT2 1 CRPG-CNRS, Nancy France (jmarin@crpg-cnrs.nancy.fr, chocho@crpg-cnrs.nancy |  | | Journal (article/letter/editorial) | | that have chromite as the liquidus phase. Lunar meteorite NWA 032 is an unbrecciated low-Ti mare basalt...parental melt. The locations of the quartz-fayalite-magnetite (QFM) and iron-wüstite (IW) minus one log unit...content from olivine cores in lunar lowTi basaltic meteorite NWA 032, which had chromite as a liquidus phase...pyroxenes in the intercumulus regions of the Chassigny martian meteorite and those in the olivine-hosted melt...enrichment on the Moon deduced from the lunar basaltic meteorite Northwest Africa 032. Geochim. Cosmochim. Acta |  | | Journal (article/letter/editorial) | | OF THE METALLIC PHASES IN THE ALMAHATA SITTA METEORITE (FRAGMENT#051). Y. A. Abdu1, A. M. Gismelseed2...Khartoum, Sudan. Introduction: The Almahata Sitta meteorite fall was unique because asteroid 2008 TC3, the...dedicated simulation chamber in vacuum and in a martian atmosphere with a pressure of 7.0 mbar and 1.0...zone, where a thin film has formed. In vacuum and martian atmospheric conditions at 7 mbar, this film consists...whereas it consists of magnetite when the LIBS measurement was done in martian atmosphere at 1 bar. In |  | | Book | | Tektites Meteorite Parent Bodies Celestial Mechanics Falls and Finds Age Determinations Meteorite Impacts...Nirgal Vallis 12.5.3. Vedra Valles Impact Craters Martian Meteorites Water on Mars 12.8.1. Hydrologic Cycle...Scot Kaplan for the photograph of the Ahnighito meteorite and we gratefully acknowledge the support of The...motivating the expeditions organized by England and France. Noteworthy among the leaders of these extended...discovery were Captain Louis Antoine de Bougainville of France (1729-1811) and Captain James Cook of Britain (1728-1779) |
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