 | | Journal (article/letter/editorial) | | Printed in USA Water soluble ions in the Nakhla martian meteorite DOUGLAS J. SAWYERI, MICHAELD. M c G E...Road, Scottsdale, Arizona 85256, USA 2Center for Meteorite Studies, Arizona State University, Tempe, Arizona...from the martian achondrite Nakhla and three asteroidal achondrites are reported. The Nakhla sample contains...concentrations of chloride, sulfate, Mg, Na, Ca, and K ions. The results are interpreted to indicate that...been in contact with a seawater-like brine on the martian surface. INTRODUCTION An analysis of the total |  | | Journal (article/letter/editorial) | | org Melt inclusions in augite of the Nakhla martian meteorite: Evidence for basaltic parental melt Karen...2004; revision accepted 20 December 2004) Abstract–Nakhla contains crystallized melt inclusions that were...fast-heating) experiments on multiphase melt inclusions in Nakhla augite. We studied melt inclusions trapped in augite...results could be directly compared with previous Nakhla melt inclusion studies. Following heating and homogenization... The most primitive melt inclusion analyzed in Nakhla NA03 is basaltic and closely matches previously |  | | Journal (article/letter/editorial) | | IKEDA3, and H. KOJIMA1, 2 1Antarctic 2Department Meteorite Research Center, National Institute of Polar Research...McSween 1985), and they include seven meteorites: Nakhla, Governador Valadares, Lafayette, NWA 817, NWA...l studies of nakhlites have been published for Nakhla, Governador Valadares, and Lafayette (e.g., Prior...(e.g., Misawa et al. 2003; papers in Antarctic Meteorite Research 16), and for MIL 03346 (e.g., McKay and...Yamato nakhlites is somewhat higher than those of Nakhla, Governador Valadares, and Lafayette, and is somewhat |  | Goodrich, Cyrena Anne, Treiman, Allan H., Filiberto, Justin, Gross, Juliane, Jercinovic, Michael (2013) K2O-rich trapped melt in olivine in the Nakhla meteorite: Implications for petrogenesis of nakhlites and evolution of the Martian mantle. Meteoritics & Planetary Science, 48 (12) 2371-2405 doi:10.1111/maps.12226 | Journal (article/letter/editorial) | | in the Nakhla meteorite: Implications for petrogenesis of nakhlites and evolution of the Martian mantle...inclusions in olivine and augite in the Martian clinopyroxenite, Nakhla, for comparison with previously proposed...proposed compositions for the Nakhla (or nakhlite) parent magma. We particularly focused on obtaining accurate...previous studies of melt inclusions in olivine in Nakhla could have been due to unrepresentative sampling...inferred in studies of melt inclusions in augite in Nakhla by experimental rehomogenization. PTLaug was saturated |  | | Journal (article/letter/editorial) | | Naoya IMAE1, 2* and Yukio IKEDA3 1Antarctic Meteorite Research Center, National Institute of Polar Research...chamber(s) in the Martian crust, and erupted to form lava flow(s) or sill(s) near the Martian surface (Imae...Rehomogenization experiments on multiphase melt inclusions in Nakhla augites have been carried out (Varela et al. 2001;...of slowly cooled nakhlites such as Lafayette and Nakhla is difficult to produce their 1299 © The Meteoritical...among nakhlites; Fa67–71 for Lafayette, Fa62–72 for Nakhla, Fa58–78 for Y-000593, Fa57–90 for Northwest Africa |  | | Journal (article/letter/editorial) | | sources (Chas-E and Chas-S), and fractionated Martian atmosphere. The nakhlites are igneous cumulate...greatest, in the order: MIL03346, NWA817, Y000593, Nakhla ¼ Governador Valadares, Lafayette, and NWA998....compositions, magma sources, and alteration by Martian water. I will try to place the nakhlites in a reasonable...only three. Nakhla, the meteorite eponym for the group, was observed to fall in northern Egypt in 1911....Antarctica, but far from the Yamato samples (Antarctic Meteorite Newsletter, 2004). The histories of the other |  | Jambon, A., Sautter, V., Barrat, J.-A., Gattacceca, J., Rochette, P., Boudouma, O., Badia, D., Devouard, B. (2016) Northwest Africa 5790: Revisiting nakhlite petrogenesis. Geochimica et Cosmochimica Acta, 190. 191-212 doi:10.1016/j.gca.2016.06.032 | Journal (article/letter/editorial) | | INTRODUCTION As of January 2016 there are 162 recorded Martian meteorites, the so-called SNC (S for Shergottites...only 7 meteorites (MIL 03346, NWA 817, Y-000593, Nakhla, Governador Valadares, Lafayette and NWA 998);...2005). Thus nakhlites would have cooled at the Martian surface over short periods of time from 8 to 48...final position of NWA 5790 within the pile at the Martian surface. 2. ANALYTICAL METHODS Freshly broken pieces...of 10 s, and a focused beam for all phases but feldspar and glass (defocused at 4 lm). Natural silicates |  | Brian Balta, J., Sanborn, Matthew E., Mayne, Rhiannon G., Wadhwa, Meenakshi, McSween, Harry Y., Crossley, Samuel D. (2017) Northwest Africa 5790: A previously unsampled portion of the upper part of the nakhlite pile. Meteoritics & Planetary Science, 52 (1) 36-59 doi:10.1111/maps.12744 | Journal (article/letter/editorial) | | College Station, Texas 77843–3148, USA 4 Center for Meteorite Studies, School of Earth and Space Exploration...Davis, Davis, California 95616, USA 6 Monnig Meteorite Collection, School of Geology, Energy, and the...geochemical study of recently discovered Martian meteorite Northwest Africa (NWA) 5790 and use our results...to flow. therein). At present, more than 150 Martian meteorites have been recognized, and these represent...meteorites INTRODUCTION Our current understanding of Martian magmatic processes relies in large part on geochemical |  | | Journal (article/letter/editorial) | | nakhlites: Northwest Africa 817, Northwest Africa 998, Nakhla, and Governador Valadares Vincent CHEVRIER1*, Jean-Pierre...studied these sulfides in Northwest Africa (NWA) 998, Nakhla, Governador Valadares, and NWA 817 with optical...Valadares; more massive, true intercumulus blebs in Nakhla and NWA 998. These nakhlites also show evidence...cumulate textures derived from the shallow level Martian crust (Harvey and McSween 1991; Treiman et al....NWA 817 Po Po 0.04 <0.01 Y-000593 ⁄ 749 ⁄ 802 Nakhla Po Pob, Pyc, Cp Grain size (lm) Pyrrhotite M |  | | Journal (article/letter/editorial) | | the melt-inclusion pyroxenes in the Chassigny meteorite. Pyroxene compositions suggest early high crystallization...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...produced the SNC meteorites share low-Al, high-Fe “Martian” characteristics, but no experimental work on proposed...constraining the nature of melt trapped in olivine in the Martian dunites Chassigny and NWA 2727 by identifying liquids |  | Weis, Franz A., Bellucci, Jeremy J., Skogby, Henrik, Stalder, Roland, Nemchin, Alexander A., Whitehouse, Martin J. (2017) Water content in the Martian mantle: A Nakhla perspective. Geochimica et Cosmochimica Acta, 212. 84-98 doi:10.1016/j.gca.2017.05.041 | Journal (article/letter/editorial) | | Accepted Manuscript Water content in the Martian mantle: a Nakhla perspective Franz A. Weis, Jeremy J. Bellucci...Whitehouse, M.J., Water content in the Martian mantle: a Nakhla perspective, Geochimica et Cosmochimica...journal pertain. Water content in the Martian mantle: a Nakhla perspective Franz A. Weisa,b*, Jeremy...Figure captions: 542 Keywords: Nakhla, hydrogen in NAMs, Mars, Martian water, magmatic water content ...Water contents of the Martian mantle have previously been investigated using Martian meteorites, with several |  | | Journal (article/letter/editorial) | | nakhlite N. IMAE1, 2* and Y. IKEDA3 1Antarctic Meteorite Research Center, National Institute of Polar Research...After the MIL 03346 magma intruded upward to the Martian surficial zone, the magnesian olivine crystallized...has greatly increased the number of recognized Martian meteorites (e.g., Meyer 2004). The number of recognized...somewhat poorer in Mg and Fe and is richer in Na, K, and Al than those of other nakhlites (Anand et al...vol%) and other nakhlites (e.g., 10.8 vol% for Nakhla and 12.5 vol% for NWA 817) (Treiman 2005). The |  | | Journal (article/letter/editorial) | | Evidence for sediment contamination in a Martian meteorite Violaine Sautter a,⁎, Albert Jambon b , Omar...Spirit and Opportunity missions revealed that Martian soils and rocks are enriched in chlorine (up to...and massive halite trapped within olivine from Nakhla. Here we describe the first extra-terrestrial Cl-rich...2006 Elsevier B.V. All rights reserved. Keywords: Martian evaporitic sediments; Chlorine; chloro-potassichastingsite;...α-particle X-ray spectrometers, operating on the Martian surface since 1997, detected in situ chlorine concentrations |  | Hewins, R.H., Humayun, M., Barrat, J.-A., Zanda, B., Lorand, J.-P., Pont, S., Assayag, N., Cartigny, P., Yang, S., Sautter, V. (2020) Northwest Africa 8694, a ferroan chassignite: Bridging the gap between nakhlites and chassignites. Geochimica et Cosmochimica Acta, 282. 201-226 doi:10.1016/j.gca.2020.05.021 | Journal (article/letter/editorial) | | the chassignites and nakhlites, closely related martian olivine and augite cumulates, respectively, are...(18O ~ 4.4‰, ∆17O ~ 0.30‰) are typical of other martian meteorites. It has adcumulate texture and contains...calculated that Nakhla parent liquid NA01a (Stockstill et al., 2005) with 10% Nakhla core olivine added...compositions matching those of NWA 8694. This meteorite is a chassignite cumulate containing nakhlitic...INTRODUCTION Martian meteorites have been a major source of information on Mars since Nakhla was first recognized |  | | Journal (article/letter/editorial) | | 1089/ast.2013.1069 A Conspicuous Clay Ovoid in Nakhla: Evidence for Subsurface Hydrothermal Alteration...ovoid structure has been discovered in the Nakhla martian meteorite, made of nanocrystalline iron-rich saponitic...amorphous material. The ovoid is indigenous to Nakhla and occurs within a late-formed amorphous mesostasis...structure. There is evidence that the parent rock of Nakhla has undergone a shock event from a nearby bolide...explanation for the formation of the ovoid structure in Nakhla, and although compelling evidence for a biotic |  | | Journal (article/letter/editorial) | | INVITED CENTENNIAL ARTICLE Review Petrology on Mars†k Harry Y. McSween Jr.1,* Department of Earth and Planetary...S.A. 1 Abstract Petrologic investigations of martian rocks have been accomplished by mineralogical,...provided by orbiters), and by laboratory analyses of martian meteorites. Igneous rocks are primarily lavas and...geothermal systems. Shock effects are common in martian meteorites, and impact breccias are probably widespread...widespread in the planet’s crustal rocks. The martian rock cycle during early periods was similar in many |  | | Journal (article/letter/editorial) | | . . . . . . . . . . . . . . . . . 00 2.9.13. Martian meteorites . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . 00 2.10.28. Martian meteorites . . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . 00 2.12.10. Martian meteorites . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . 00 2.14.9. Martian meteorites . . . . . . . . . . . . . . . . . ....the HED parent asteroid (probably Vesta); and martian and lunar meteorites formed as igneous rocks on |  | | Journal (article/letter/editorial) | | proposed by Alvarez et al. [2], based largely on the K/T layer Ir budget and the Ir contents of stony meteorites...vaporized projectile escapes the Earth. Therefore, the K/T impactor had a mass of lo1$kg or an impact energy...enhancement of the 87Sr/86Srratio in the oceans at K/T time. The observed sharp decrease followed by an...timescalesof 101-105 yr. References: [ l ] Holsapple K. A. (1993) Annu. Rev. Earth Planet. Sci., 21, 333-373...] suggested the possibility of the presence of martian life based on observations of several characterisitc |  | | Book | | · Yasser Abd El-Rahman Editors The Geology of Egypt Regional Geology Reviews Series Editors Roland...Geology of Egypt 123 • Editors Zakaria Hamimi Department of Geology Benha University Benha, Egypt Jesús...El-Barkooky Department of Geology Cairo University Giza, Egypt Harald Fritz Department of Geology and Environment...El-Rahman Department of Geology Cairo University Giza, Egypt ISSN 2364-6438 ISSN 2364-6446 (electronic) Regional...by: Prof. M.A. Abd El-Wahed, Tanta University, Egypt) This Springer imprint is published by the registered |  | | Journal (article/letter/editorial) | | and on druse clinopyroxene from the D’Orbigny meteorite. The average structure refinement of the studied...for 1 ns at a range of temperatures. At about 3250 K a pure carbon onion was formed, a transformation which...Å of the surface could be released at around 930 K, corresponding to an experimental value of 480 °C...and 12 Å from the surface could be released at 3080 K, corresponding to an experimental value of 1450 °C...CM 15 L 10 S O Se Te Sn Zn Sb Ga Ge Rb S O K Li As Cu Ag Sb Ga Ge Rb Cs Se Te Sn Zn Ir Pt W Rh |  | | 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...Varuna (2000 WR106) 21.2. 21.3. Structure of the E-K Belt The Oort Cloud 21.4. Summary 21.5. 21.6. ...Scot Kaplan for the photograph of the Ahnighito meteorite and we gratefully acknowledge the support of The...the paintings of Chesley Bonestell, Ron Miller, W. K. Hartmann, Pamela Lee, and other space artists have |  | | Book | | This page intentionally left blank The Martian Surface Composition, Mineralogy, and Physical Properties...Surface and Atmosphere Barlow 9780521852265 9 The Martian Surface: Composition, Mineralogy, and Physical...Bell 9780521866989 *Issued as a paperback THE MARTIAN SURFACE Composition, Mineralogy, and Physical Properties...historical perspective 1 1 Exploration of the Martian surface: 1992–2007 L. A. SODERBLOM AND J. F. BELL...Interpretations from New in situ APXS Measurements 33 Martian surface chemistry: APXS results from the Pathfinder |  | | Report (issue) | | qtz qtz qtz, ap qtz, tpz, ap, fspar, gar, fl qtz, K-fspar qtz, fspar, ap, tpz qtz zn qtz qtz qtz qtz qtz...zinn = zinnwalldite; (2). qtz=quartz; fspar = feldspar; ap = apatite; tpz = topaz; cpy = clinopyroxene;...slag (X400), (C) Crystallized melt inclusion in feldspar in a xenolith from Vesuvius, Italy (X500); (D)...from an elvan near Penrhyn, Cornwall, UK (X800); (K) Crystallized melt inclusion in quartz from a coarse-grained...obscure and of irregular shape….” and “Those in the feldspar are often so much obscured by the partial decomposition |
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