 | | 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) | | 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) | | 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 |  | 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) | | 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...“iddingsite” associated with olivine (probably Martian), calcite crack fillings, and iron oxide/hydroxide...than 45 known unpaired Martian meteorites are seven nakhlite specimens (Nakhla, Lafayette, Governador...Treiman 2005). The nakhlites are distinctive among Martian meteorites because they have experienced less |  | Sautter, V, Barrat, J.A, Jambon, A, Lorand, J.P, Gillet, Ph, Javoy, M, Joron, J.L, Lesourd, M (2002) A new Martian meteorite from Morocco: the nakhlite North West Africa 817. Earth and Planetary Science Letters, 195 (3) 223-238 doi:10.1016/s0012-821x(01)00591-x | Journal (article/letter/editorial) | | 223^238 www.elsevier.com/locate/epsl A new Martian meteorite from Morocco: the nakhlite North West Africa...in the Sahara (Morocco) by meteorite hunters in November 2000. The meteorite is an unbrecciated, medium-grained...clear evidence for a Martian origin. The incompatible trace element pattern as in Nakhla displays a strong...titanomagnetite; alteration 1. Introduction The Martian meteorites described so far range from basaltic...planetary body, probably Mars (e.g. [4]). Among the 17 Martian meteorites described so far, the most common are |  | | 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 |  | Tomkinson, Tim, Lee, Martin R., Mark, Darren F., Dobson, Katherine J., Franchi, Ian A. (2015) The Northwest Africa (NWA) 5790 meteorite: A mesostasis-rich nakhlite with little or no Martian aqueous alteration. Meteoritics & Planetary Science, 50 (2) 287-304 doi:10.1111/maps.12424 | Journal (article/letter/editorial) | | Africa (NWA) 5790 meteorite: A mesostasis-rich nakhlite with little or no Martian aqueous alteration...the find and extends into the interior of the meteorite within veins. The presence of microbial remains...finely crystalline and comprise ~0.003 vol% of the meteorite. dD values of the clay minerals range from 212...be used to distinguish between a terrestrial or Martian origin. As petrographic results are also not definitive...minerals produced by Martian groundwaters are at best very rare within NWA 5790. The meteorite has therefore |  | 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 |  | 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) | | that the partial pressure of oxygen was above the hematite-magnetite buffer where Fe3⫹-(hydrous)oxides are...Copyright © 2004 Elsevier Ltd evolution of the ancient martian hydrosphere (primordial surface solutions). Clues...as they were concentrated could be held in the martian regolith (silicates ⫹ salts ⫹ oxides; McSween and...indicate that the salts inferred to be on the martian surface in soils, cements, rocks, and dust in the...salts have been tentatively identified in the martian dust using infrared spectroscopy (Bell, 1996; Blaney |  | | 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 |  | Shearer, Charles K., Bell, Aaron S., Herd, Christopher D.K., Burger, Paul V., Provencio, Paula, Sharp, Zachary D., Papike, James J. (2019) The Northwest Africa 8159 (NWA 8159) Martian Meteorite Part 2. Spinel-orthopyroxene intergrowths. A record of fO2 and crust-basalt interactions. Geochimica et Cosmochimica Acta, 258. 242-257 doi:10.1016/j.gca.2019.05.034 | Journal (article/letter/editorial) | | Manuscript The Northwest Africa 8159 (NWA 8159) Martian Meteorite Part 2. Spinel-orthopyroxene intergrowths...J., The Northwest Africa 8159 (NWA 8159) Martian Meteorite Part 2. Spinel-orthopyroxene intergrowths...pertain. The Northwest Africa 8159 (NWA 8159) Martian Meteorite Part 2. Spinel-orthopyroxene intergrowths...Abstract In part 1 of our examination of Martian meteorite Northwest Africa 8159 (NWA 8159) we illustrated...mineralogical and textural attributes that make this martian basalt unique. Unlike the shergottites that illustrate |  | Suga, Hiroki, Suzuki, Keika, Usui, Tomohiro, Yamaguchi, Akira, Sekizawa, Oki, Nitta, Kiyofumi, Takeichi, Yasuo, Ohigashi, Takuji, Takahashi, Yoshio (2021) A New Constraint on the Physicochemical Condition of Mars Surface during the Amazonian Epoch Based on Chemical Speciation for Secondary Minerals in Martian Nakhlites. Minerals, 11 (5) 514 doi:10.3390/min11050514 | Journal (article/letter/editorial) | | Chemical Speciation for Secondary Minerals in Martian Nakhlites Hiroki Suga 1, *,† , Keika Suzuki 2,†...Chemical Speciation for Secondary Minerals in Martian Nakhlites. Minerals 2021, 11, 514. https://doi...Accepted: 11 May 2021 Abstract: Iddingsite in Martian nakhlites contains various secondary minerals that...Herein, we characterize the carbonate phase of meteorite Yamato 000593 as siderite and Mn-bearing siderite...nakhlite; µ-XRF-XAFS; chemical speciation; Mars; martian water; aqueous alteration; Y 000593; S chemistry; |  | | Journal (article/letter/editorial) | | cooling rate is ≤72 °C h−1. Textural analysis of meteorite MIL 03346 reveals at least two distinct populations...that experiments using basalt patterned on other martian meteorites are applicable to interpreting the thermal...fusion experiments on portions of the MIL 03346 meteorite (Rutherford and Hammer 2008). Pertinent matrix...5, monitored using solid-medium assemblages of hematite+magnetite, nickel+nickel oxide, quartz+fayalite+magnetite...generally accepted to 144 J. E. Hammer Fig. 1. Meteorite classification diagram (McSween 2007) showing |  | Khisina, N.R., Wirth, R., Abart, R., Rhede, D., Heinrich, W. (2013) Oriented chromite–diopside symplectic inclusions in olivine from lunar regolith delivered by “Luna-24” mission. Geochimica et Cosmochimica Acta, 104. 84-98 doi:10.1016/j.gca.2012.10.050 | Journal (article/letter/editorial) | | Symplectic inclusions found in olivine from lunar, martian and terrestrial rocks are similar with respect...symplectites are rather typical for olivine from martian meteorites (Greshake et al., 1998, 2000; Mikouchi...symplectites in olivine from terrestrial rocks and from martian meteorites, and dehydrogenation is suggested as...(2013) 84–98 wollastonite (Ca), Cr2O3 (Cr) and hematite (Fe) were used as calibration standards. Matrix...observed by Mikouchi et al. (2000) in Nakhla martian meteorite. In addition to symplectic inclusions |  | | Journal (article/letter/editorial) | | http://meteoritics.org Oxygen fugacity in the Martian mantle controlled by carbon: New constraints from...clear progression of oxygen fugacity (fO2) in Martian meteorites from reduced Allan Hills (ALH) 84001...by polybaric graphite-CO-CO2 equilibria in the Martian mantle. Shergottites would have formed at pressures...buffering in the Martian mantle could be responsible for variation in fO2 in Martian meteorites (rather...much of what we know about the Martian interior comes from studies of Martian meteorites. Some shergottites |  | | Journal (article/letter/editorial) | | Accepted Manuscript Geochemistry of Martian basalts with constraints on magma genesis Justin Filiberto...article as: Justin Filiberto , Geochemistry of Martian basalts with constraints on magma genesis, Chemical...pertain. ACCEPTED MANUSCRIPT Geochemistry of Martian Basalts with Constraints on Magma Genesis Justin...CR Martian rocks has greatly increased. Rocks on the surface of Mars are older than most Martian US...alkalis, and lower MgO contents). Recent Martian meteorite discoveries (NWA 7034, NWA 7635, and NWA |  | | Journal (article/letter/editorial) | | (2015) doi: 10.1111/maps.12330 Metamorphism in the Martian crust Harry Y. MCSWEEN, JR.1*, Theodore C. LABOTKA1...rocks analyzed by Mars rovers and occurring as Martian meteorites allow predictions of metamorphic mineral...roughly constrain temperatures and pressures in the Martian crust. We use a traditional metamorphic approach...2014; Vaniman et al. 2014), and in a subset of Martian meteorites (e.g., Drake et al. 1994; Bridges et...Schwenzer and Kring 590 Metamorphism in the Martian crust 4 Lws 35 Pm Zo Lm Mineral Key 25 PA |  | | Journal (article/letter/editorial) | | by polybaric graphite-CO-CO2 equilibria in the Martian mantle. Although there is no direct evidence for...formation. Iron, which is present in the Earth’s and Martian mantles, may, however, influence the speciation...temperatures corresponding to the Earth’s and Martian mantles. The role of iron and of fO2 was investigated...confirm the hypothesis of carbon metasomatism in the Martian nakhlites source. Immiscibility or reduction could...could explain the absence or rarity of C in Martian lavas. Keywords Magma Redox Carbonatite Ultramafic |  | Pignatelli, Isabella, Mosser-Ruck, Régine, Mugnaioli, Enrico, Sterpenich, Jérôme, Gemmi, Mauro (2020) The Effect of the Starting Mineralogical Mixture on the Nature of Fe-Serpentines Obtained during Hydrothermal Synthesis AT 90°C. Clays and Clay Minerals, 68 (4). 394-412 doi:10.1007/s42860-020-00080-y | Journal (article/letter/editorial) | | Berthierine crystals have been found in the Nakhla Martian meteorite as an alteration product of melt inclusion...odinite occurred in the mesostasis fractures of Martian meteorite, Lafayette (Hicks et al. 2014). A complex...found within veins and mesostasis of this Martian meteorite, and TEM data are consistent with a mixture...pseudomorphs after olivine and pyroxene of a CM meteorite known as Paris (Pignatelli et al. 2016, 2017,...can transform to more thermodynamically stable hematite or goethite (Cudennec and Lecerf 2006; Liu et |  | | Journal (article/letter/editorial) | | microscopy (SEM, TEM). In the transformation sequence, hematite appears at about 600 ∞C producing amorphous segregations...later recombine with forsterite to form pyroxene Hematite is stable up to 1130 ∞C where it is transformed...magnetite. The rate limiting step for the formation of hematite is a twodimensional diffusion with constant or...regions favors the heterogeneous nucleation of hematite, which may take place on existing defects or at...1130 ∞C, magnetite is formed at the expenses of hematite, with a contracting volume interface-controlled |  | | Journal (article/letter/editorial) | | 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...likelihood of ever studying martian rocks. Even in the modern spacecraft era, martian petrology has proved to |  | | Journal (article/letter/editorial) | | Evidence for the exsolution of Cl-rich fluids in martian magmas: Apatite petrogenesis in the enriched lherzolitic...2015; available online 30 June 2015 Abstract Martian meteorite Northwest Africa 7755 is a new example of...Alternatively, it formed a hydrothermal system in the martian crust surrounding the intrusion. Furthermore, by...Elsevier Ltd. All rights reserved. 1. INTRODUCTION Martian meteorites are our only source of materials from...shergottite NWA 7755, representing the fourth meteorite of this group to be described in detail. Apatite |  | | 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 |
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