 | | 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) | | and Petrology (2003) 77: 271–277 The Nakhla Martian meteorite is a cumulate igneous rock. Comment on...on ‘‘Glass-bearing inclusions in Nakhla (SNC meteorite) augite: heterogeneously trapped phases’’ (2001)...Stumpfl Summary All the properties of the Nakhla Martian meteorite suggest that it is a cumulate igneous...the geological history of the meteorite. Introduction The Nakhla meteorite is one of the type ‘SNC’ meteorites...2000). Since the first modern petrologic studies of Nakhla (Reid and Bunch, 1975; Bunch and Reid, 1975), it |  | | 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...been in contact with a seawater-like brine on the martian surface. INTRODUCTION An analysis of the total...(Canepa, 1985) showed that those identified as martian had a higher C1 content than the other achondrites |  | | Journal (article/letter/editorial) | | Symplectic exsolution in olivine from the Nakhla martian meteorite TAKASHI MIKOUCHIIJ*, IKIKOYAMADAI AND...in revised form 2000 May 10) Abstract-The Nakhla meteorite, commonly accepted to have originated from...of Fe-rich olivine. Almost all olivine grains in Nakhla contain dark lamellar inclusions (less than 2-3...meteorites. The inclusion in Nakhla olivine is the first symplectite found in a martian rock. Apparently, the...noble gas characteristics that match those of the martian atmosphere as analyzed by the Viking probes (e |  | | Journal (article/letter/editorial) | | crystals is mesostasis, composed principally of plagioclase and/or glass, with euhedra of titanomagnetite...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. |  | | Journal (article/letter/editorial) | | IKEDA3, and H. KOJIMA1, 2 1Antarctic 2Department Meteorite Research Center, National Institute of Polar Research...inner rim drove the interstitial melt into the plagioclase liquidus field. Subsequently, the residual melt...melt crystallized pigeonites and plagioclase to form the outer rims and the mesostasis. Three types of...surrounding the inner rims of augite phenocrysts, and plagioclase and minor minerals crystallized to form mesostasis...McSween 1985), and they include seven meteorites: Nakhla, Governador Valadares, Lafayette, NWA 817, NWA |  | | 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...from glassy mesostasis and contain abundant plagioclase instead of glassy mesostasis. The crystallization |  | Malavergne, Valérie, Guyot, François, Benzerara, Karim, Martinez, Isabelle (2001) Description of new shock-induced phases in the Shergotty, Zagami, Nakhla and Chassigny meteorites. Meteoritics & Planetary Science, 36 (10) 1297-1305 doi:10.1111/j.1945-5100.2001.tb01825.x | Journal (article/letter/editorial) | | shock-induced phases in the Shergotty, Zagami, Nakhla and Chassigny meteorites VALERIEMALAVERGNEI *,...Chassignite (SNC) meteorites, Shergotty, Zagami, Nakhla and Chassigny, have been studied by analytical...study may help to explain the preservation in martian meteorites of phases practically unaffected by...in the four SNC meteorites: Shergotty, Zagami, Nakhla and Chassigny. A brief review of shock features...event connected with the impact ejecting the meteorite into space. Langenhorst and Poirier (2000) report |  | 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) | | thought to come from a single geological unit at the Martian surface, show melt inclusions in augite and olivine...different nakhlites (Northwest Africa [NWA] 817, Nakhla, Governador Valadares, and NWA 998): Type-I isolated...from these four samples. Of these, only data from Nakhla were considered robust for reconstruction of a...currently providing the unique opportunity to study Martian rocks with terrestrialbased analytical methods...represent the composition of the parent magma. Nakhla itself has been the subject of several such studies |  | 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...exsolution (augite–magnetite intergrowths) observed in Nakhla and Governador Valadares (Greshake et al., 2000; |  | | Report (chapter) | | meteorites from Mars in the world's collections. The martian meteorites differ from meteorites from the asteroid...years; evidence for a martian origin rests on the presence of trapped martian atmospheric gases within...the specimens. The first three martian meteorites, Shergotty, Nakhla and Chassigny, gave their names...as 'martian'. The meteorites are all igneous, most are shocked and many show evidence of martian aqueous...aqueous activity. Study of martian meteorites is a valuable complement to spacecraft observations of Mars |  | 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) | | accepted 02 October 2005) Abstract–Antarctic meteorite Miller Range (MIL) 03346 is a nakhlite composed...that MIL 03346 is part of the same or a similar Martian cumulate-rich lava flow as other nakhlites. However...the petrogenesis of MIL 03346 and the nakhlites (Nakhla, Governador Valadares, Lafayette, Yamato-000593...augite (± olivine, ± magnetite) in a shallow-level Martian magma chamber, 3) eruption of the crystal-laden...and to komatiites. INTRODUCTION The Shergotty-Nakhla-Chassigny (SNC) meteorites represent a suite of |  | Lee, M. R., Tomkinson, T., Mark, D. F., Stuart, F. M., Smith, C. L. (2013) Evidence for silicate dissolution on Mars from the Nakhla meteorite. Meteoritics & Planetary Science, 48 (2) 224-240 doi:10.1111/maps.12053 | Journal (article/letter/editorial) | | for silicate dissolution on Mars from the Nakhla meteorite M. R. LEE1*, T. TOMKINSON2, D. F. MARK2, F...in the Nakhla meteorite are good evidence for the former presence of liquid water in the Martian crust...INTRODUCTION The nakhlite meteorites are samples of the Martian crust and formed approximately 1400 Ma ago either...provide a unique insight into the nature of the Martian hydrosphere because they contain hydrous silicates...(Treiman 2005). The weighted average of 224 Nakhla meteorite dissolution K-Ar and Rb-Sr age determinations |  | White, Lauren M., Gibson, Everett K., Thomas-Keprta, Kathie L., Clemett, Simon J., McKay, David S. (2014) Putative Indigenous Carbon-Bearing Alteration Features in Martian Meteorite Yamato 000593. Astrobiology, 14 (2) 170-181 doi:10.1089/ast.2011.0733 | Journal (article/letter/editorial) | | Indigenous Carbon-Bearing Alteration Features in Martian Meteorite Yamato 000593 Lauren M. White,1 Everett K...of indigenous carbonaceous matter in the martian meteorite Yamato 000593. The carbonaceous phases are...Words: Meteorite—Yamato 000593—Mars—Carbon. Astrobiology 14, 170–181. 1. Introduction T he martian meteorites...meteorites represent samples of the martian regolith that were ejected from the planet as a consequence...meteorites indicate they formed across much of the martian geological record, from as recently as 165 million |  | | Journal (article/letter/editorial) | | Water-extractable and exchangeable phosphate in Martian and carbonaceous chondrite meteorites and in planetary...planetary materials, represented by the Mars meteorites Nakhla, Dar al Gani 476 (DaG 476), Elephant Morraine 79001...readily extracted by water, up to 15 mg kg⫺1 in Nakhla and DaG 476 and 38 mg kg⫺1 in EETA 79001, while...(E⬎3m). The IEK results show that the DaG 476 Mars meteorite and terrestrial analogs have low P-fixing capacities...51.6%, and 43.9 to 90.4% in the DaG 476 Mars meteorite, Allende, and Murchison, respectively. The results |  | | Journal (article/letter/editorial) | | online at http://meteoritics.org Petrology of Martian meteorite Northwest Africa 998 Allan H. TREIMAN1* and...Mars. This 456gram, partially fusion-crusted meteorite consists of (by volume) ∼75% augite (core composition...composition Wo 39En 39Fs22), ∼9% olivine (Fo35), ∼7% plagioclase (Ab61An35) as anhedra among augite and olivine...“iddingsite” associated with olivine (probably Martian), calcite crack fillings, and iron oxide/hydroxide...contains more low-calcium pyroxenes and its plagioclase crystals are blockier. The large size of the |  | | Journal (article/letter/editorial) | | Society, 1999 Printed in USA. Formation of a martian pyroxenite: A comparative study of the nakhlite...composition of the nakhlites, a group of pyroxenitic martian meteorites with young ages, presents an opportunity...euhedral to subhedral augite grains set in a plagioclase-rich matrix. These two suites of rocks also d... the melt reached plagioclase supersaturation, causing rapid growth of plagioclase sprays and late-stage...(shergottites, nakhlites, and Chassigny), whose martian origin seems well-established (e.g.,McSween, 1994) |  | | 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 |  | | 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 |  | | 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) | | magma compositions: A planetary example from the Martian basalt (shergottite) Tissint Yann SONZOGNI* and...small and large melt inclusions in the Martian basalt meteorite (shergottite) Tissint. Small and large...inclusions in planetary samples, e.g., in the Martian meteorites (e.g., Johnson et al. 1991; Harvey and...melt inclusions in olivine of the Martian basalt (shergottite) meteorite Tissint. The compositions of Tissint...METHODS A centimeter-size sample of the Tissint meteorite was purchased, verified as consistent with the |  | | Journal (article/letter/editorial) | | Aqueous Processes Recorded by Martian Meteorites: Analyzing Martian Water on Earth Laurie A. Leshin1...carbonates, are present at some level in all Martian meteorite subtypes and are especially important in the...water–rock interaction OVERVIEW OF MARTIAN METEORITES The Martian meteorites (also called SNC, for shergottite–...comprise a group of 36 specimens. Evidence for the Martian origin of these rocks is discussed in the sidebar...samples and review in detail the evidence for a Martian origin. An up-to-date catalog of descriptions of |  | | 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...vol%) and other nakhlites (e.g., 10.8 vol% for Nakhla and 12.5 vol% for NWA 817) (Treiman 2005). The...nakhlite, similar in lithology to the previously known Nakhla and Governador Valadares (Mikouchi et al. 2003; |
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