 | Ma, Chi, Tschauner, Oliver, Beckett, John R., Liu, Yang, Rossman, George R., Sinogeikin, Stanislav V., Smith, Jesse S., Taylor, Lawrence A. (2016) Ahrensite, γ-Fe2SiO4, a new shock-metamorphic mineral from the Tissint meteorite: Implications for the Tissint shock event on Mars. Geochimica et Cosmochimica Acta, 184. 240-256 doi:10.1016/j.gca.2016.04.042 | Journal (article/letter/editorial) | | shock-metamorphic mineral from the Tissint meteorite: Implications for the Tissint shock event on Mars Chi Ma...ringwoodite (c-Mg2SiO4). It occurs in the Tissint Martian meteorite, where it forms through the transformation...sequence of phase assemblages traversing across a Tissint melt pocket into olivine is: quenched melt or fayalite-pigeonite...metamorphism; Nanomineral; Ringwoodite group; Tissint meteorite; Martian shergottite; Synchrotron diffraction ...a casual perusal of the surficial geology. All Martian meteorites, previously launched from the surface |  | Ma, Chi, Tschauner, Oliver, Beckett, John R., Liu, Yang, Greenberg, Eran, Prakapenka, Vitali B. (2019) Chenmingite, FeCr2O4 in the CaFe2O4-type structure, a shock-induced, high-pressure mineral in the Tissint martian meteorite. American Mineralogist, 104 (10) 1521-1525 doi:10.2138/am-2019-6999 | Journal (article/letter/editorial) | | shock-induced, high-pressure mineral in the Tissint martian meteorite Chi Ma1,*, Oliver Tschauner2, John R....shock-induced melt pockets, from the Tissint martian meteorite. The composition of type chenmingite by...high pressure and high temperature during the Tissint impact event on Mars. The xieite regions are always...shock-induced phase, Tissint martian meteorite, shergottite Introduction The Tissint martian meteorite is a fresh...shock-generated melt pockets and veins in this meteorite, olivine is often transformed to ringwoodite or |  | Ma, Chi, Tschauner, Oliver, Beckett, John R., Liu, Yang, Rossman, George R., Zhuravlev, Kirill, Prakapenka, Vitali, Dera, Przemyslaw, Taylor, Lawrence A. (2015) Tissintite, (Ca, Na, □)AlSi2O6, a highly-defective, shock-induced, high-pressure clinopyroxene in the Tissint martian meteorite. Earth and Planetary Science Letters, 422. 194-205 doi:10.1016/j.epsl.2015.03.057 | Journal (article/letter/editorial) | | shock-induced, high-pressure clinopyroxene in the Tissint martian meteorite Chi Ma a,∗ , Oliver Tschauner b , John...(CaNa)AlSi2 O6 new high-pressure pyroxene Ca-Eskola Tissint martian shergottite synchrotron diffraction a b s...in contact with, shock-melt pockets in the Tissint meteorite, a depleted olivine-phyric shergottite fall...occur in depleted olivinephyric shergottites like Tissint and other highly shocked meteorites and lunar and...wadeite-structured phase + stishovite becomes stable, although this was not observed in Tissint. © 2015 Elsevier |  | Hallis, L.J., Huss, G.R., Nagashima, K., Taylor, G.J., Stöffler, D., Smith, C.L., Lee, M.R. (2017) Effects of shock and Martian alteration on Tissint hydrogen isotope ratios and water content. Geochimica et Cosmochimica Acta, 200. 280-294 doi:10.1016/j.gca.2016.12.035 | Journal (article/letter/editorial) | | Accepted Manuscript Effects of Shock and Martian Alteration on Tissint Hydrogen Isotope Ratios and Water Content...L., Lee, M.R., Effects of Shock and Martian Alteration on Tissint Hydrogen Isotope Ratios and Water Content...journal pertain. Effects of Shock and Martian Alteration on Tissint Hydrogen Isotope Ratios and Water Content... ABSTRACT The Tissint meteorite, a picritic shergottite, fell to Earth in Morocco on the 18th of July...July 2011, and is only the fifth Martian meteorite witnessed to fall. Hydrogen isotope ratios and water |  | | Report (issue) | | Luster: n.d. X-ray Powder Pattern: Tissint Martian meteorite. 2.461 (100), 1.443 (57), 2.041 (50),... (1) 34.9 43.8 21.1 0.75 100.55 (1) Tissint Martian meteorite; average electron microprobe analysis...olivine-phyric shergottite meteorite [TL]. Association: Bridgmanite, ringwoodite, wüstite, stishovite, olivine, ilmenite...ilmenite. Distribution: In the Tissint Martian meteorite [TL]. Possible terrestrial occurrences are included...rocks and synthetic materials. Type Material: Meteorite Collection, Frank H. McClung Museum, University |  | Hu, Sen, Li, Yang, Gu, Lixin, Tang, Xu, Zhang, Ting, Yamaguchi, Akira, Lin, Yangting, Changela, Hitesh (2020) Discovery of coesite from the martian shergottite Northwest Africa 8657. Geochimica et Cosmochimica Acta, 286. 404-417 doi:10.1016/j.gca.2020.07.021 | Journal (article/letter/editorial) | | Journal Pre-proofs Discovery of coesite from the martian shergottite Northwest Africa 8657 Sen Hu, Yang..., Changela, H., Discovery of coesite from the martian shergottite Northwest Africa 8657, Geochimica et...Elsevier Ltd. 1 Discovery of coesite from the martian shergottite Northwest 2 Africa 8657 3 Sen Hu1...in a martian meteorite, expending previously- 22 reported silica polymorphs such as stishovite (El Goresy...23 al., 2008; Sharp et al., 1999), and post-stishovite (El Goresy et al., 2000). The coesite was 24 |  | | Journal (article/letter/editorial) | | Heterogeneous mineral assemblages in Martian meteorite Tissint as a result of a recent small impact event...Heterogeneous mineral assemblages in Martian meteorite Tissint as a result of a recent small impact event... Heterogeneous mineral assemblages in Martian meteorite Tissint as a result of a recent small impact event...within and adjacent to shock melts in shergottite Tissint are characterized - the distribution of high pressure...thermal history of the sample - Shock effects in Tissint are consistent with their formation in a recent |  | | Journal (article/letter/editorial) | | com/locate/gca Shock conditions recorded in NWA 8159 martian augite basalt with implications for the impact...November 2018 Abstract NWA 8159 is an augite-rich martian basalt, formed by cooling of a relatively evolved...high fO2, NWA 8159 is also set apart from most martian shergottites with respect to the low degree of...better constrain the unusal shock history of this meteorite. The transformation of olivine to ahrensite (Fe-ringwoodite)...Ca-Na-majoritic garnet, sodic-clinopyroxene and stishovite crystallized from shock melt. This mineral assemblage |  | Ma, Chi, Tschauner, Oliver, Beckett, John R., Liu, Yang, Rossman, George R., Zuravlev, Kirill, Prakapenka, Vitali, Dera, Przemyslaw, Sinogeikin, Stanislav, Smith, Jesse, Taylor, Lawrence A. (2014) First New Minerals from Mars: Discovery of Ahrensite γ-Fe2SiO4 and Tissintite (Ca,Na,□)AlSi2O6, Two High Pressure Phases from the Tissint Martian Meteorite. Eighth International Conference on Mars. | Conference Paper/Abstract | | □)AlSi2O6, TWO HIGH PRESSURE PHASES FROM THE TISSINT MARTIAN METEORITE. Chi Ma1, Oliver Tschauner2, John R. Beckett1...Email: chi@gps.caltech.edu Introduction: Tissint, the recent meteorite fall in 2011, is a fresh heavily-shocked...During a nanomineralogy investigation of this meteorite by high-resolution analytical scanning electron...nanomineralogy works and plays a unique role in meteorite and Mars rock research. Ahrensite (IMA 2013-028):...physics. Both ahrensite and ringwoodite are found in Tissint as fine-grained polycrystalline aggregates in the |  | Mane, P., Hervig, R., Wadhwa, M., Garvie, L. A. J., Balta, J. B., McSween, H. Y. (2016) Hydrogen isotopic composition of the Martian mantle inferred from the newest Martian meteorite fall, Tissint. Meteoritics & Planetary Science, 51 (11) 2073-2091 doi:10.1111/maps.12717 | Journal (article/letter/editorial) | | composition of the Martian mantle inferred from the newest Martian meteorite fall, Tissint P. MANE1,2,*, R... Tempe, Arizona 85287–6004, USA 2 Center for Meteorite Studies, Arizona State University, Tempe, Arizona...hydrogen isotopic compositions of mineral phases in Martian meteorites, which are currently the only samples...studies have shown that dD values in minerals in the Martian meteorites span a large range of 250 to +6000&...highest hydrogen isotope ratios likely represent a Martian atmospheric component: either interaction with |  | Kuchka, C.R., Herd, C.D.K., Walton, E.L., Guan, Y., Liu, Y. (2017) Martian low-temperature alteration materials in shock-melt pockets in Tissint: Constraints on their preservation in shergottite meteorites. Geochimica et Cosmochimica Acta, 210. 228-246 doi:10.1016/j.gca.2017.04.037 | Journal (article/letter/editorial) | | com/locate/gca Martian low-temperature alteration materials in shock-melt pockets in Tissint: Constraints...laser ablation mass spectrometry to the Tissint martian meteorite in order to find and elucidate a geochemical...low-temperature alteration at or near the martian surface. Tissint contains abundant shockproduced quench-crystallized...distinct hydrogen reservoirs: the martian near-surface (>500‰) and the martian mantle (100‰). In one shock...voids during impact shock. Thermal modeling of Tissint shock melt pockets using the HEAT program demonstrates |  | | Journal (article/letter/editorial) | | lunar, howardite–eucrite–diogenite (HED), and Martian meteorites. Their occurrence suggests two types...minerals provide clues about the impact events of meteorite parent bodies, including their size and mutual...in Arizona, which was the product of an iron meteorite INTRODUCTION The Earth’s crust and upper mantle...impact approximately 49,000 years ago. Coesite and stishovite, the high-pressure polymorphs of SiO2, were identified...X-ray diffraction. The occurrence of coesite and stishovite implies that the quartz in the Coconino sandstone |  | | Journal (article/letter/editorial) | | crystallized from the melt in the SMV matrix of meteorite. P-T conditions of the formation of the SMV matrix...microstructure previously described in the Novosibirsk meteorite, and that is very similar to the texture of tissintite...tissintite in the Tissint martian meteorite. It is likely that jadeite is related to crystallization of...formed by shock metamorphism during collisions of meteorite parent bodies. The shock events caused the melting...similar to that of pyroxene in the host rock. The meteorite shower of the Pervomaisky L6 ordinary chondrite |  | Chen, De‐Liang, Zhang, Ai‐Cheng, Pang, Run‐Lian, Chen, Jia‐Ni, Li, Yang (2019) Shock‐induced phase transformation of anorthitic plagioclase in the eucrite meteorite Northwest Africa 2650. Meteoritics & Planetary Science, 54 (7) 1548-1562 doi:10.1111/maps.13286 | Journal (article/letter/editorial) | | transformation of anorthitic plagioclase in the eucrite meteorite Northwest Africa 2650 De-Liang CHEN1, Ai-Cheng...Africa (NWA) 2650, which also contains coesite, stishovite, vacancy-rich clinopyroxene, super-silicic garnet...anorthite in highly shocked ordinary chondrites and Martian meteorites. Recently, tissintite and st€ offlerite...polymorphs of labrodorite, have been found in shocked Martian meteorites (Walton et al. 2014; Ma et al. 2015;...brecciated eucrite that was purchased in Erfoud, Morocco. It is classified as a monomict eucrite and has |  | | Journal (article/letter/editorial) | | minerals Review Lunar and Martian Silica Masahiro Kayama 1,2, * 1 2 3 4 5 6 * ID , Hiroshi Nagaoka...as quartz, tridymite, cristobalite, coesite, stishovite, seifertite, baddeleyite-type SiO2 , high-pressure...moganite, and opal, have been found in lunar and/or martian rocks by macro-microanalyses of the samples and...variable depending on the occurrence of the lunar and martian rocks. In other words, types of silica polymorphs...of lunar and martian silica from the viewpoints of its discovery from lunar and martian materials, the |  | Ma, Chi, Tschauner, Oliver, Beckett, John R., Rossman, George R., Prescher, Clemens, Prakapenka, Vitali B., Bechtel, Hans A., MacDowell, Alastair (2018) Liebermannite, KAlSi3
O8
, a new shock-metamorphic, high-pressure mineral from the Zagami Martian meteorite. Meteoritics & Planetary Science, 53 (1) 50-61 doi:10.1111/maps.13000 | Journal (article/letter/editorial) | | shock-metamorphic, high-pressure mineral from the Zagami Martian meteorite Chi MA 1,*, Oliver TSCHAUNER 2, John R. BECKETT1...silicate mineral, in the Zagami basaltic shergottite meteorite. Liebermannite crystallizes in space c = 2.74...tetragonal hollandite-type structure observed in the Martian shergottite Zagami, and on the implications of...Zagami meteorite, which fell at Zagami, Katsina Province, Nigeria on October 3, 1962, is a Martian-enriched...It is one of only five Martian meteorite falls (versus ~100 Martian meteorite finds). The type material |  | | Journal (article/letter/editorial) | | at Sierra Ambato, Catamarca, Argentina: A New Meteorite Impact Site? R. D. Acevedo , M. Rocca , R. Alonso...Arizaro, Salta, Argentina: A New Simple Type Meteorite Impact Site? R. D. Acevedo , M. Rocca , R. Alonso...Stinco ...........................5043 A New Old Meteorite Find from Claromeco, Argentina R. D. Acevedo and...Breccia NWA 7034: Unique 2.1 Ga Sample of Enriched Martian Crust C. B. Agee , N. V. Wilson , V. J. Polyak..........................5252 Tissint Meteorite: A Fresh Piece of Martian Lava with New Discoveries I. |  | He, Qi, Xiao, Long, Balta, J. Brian, Baziotis, Ioannis P., Hsu, Weibiao, Guan, Yunbin (2015) Petrography and geochemistry of the enriched basaltic shergottite Northwest Africa 2975. Meteoritics & Planetary Science, 50 (12) 2024-2044 doi:10.1111/maps.12571 | Journal (article/letter/editorial) | | consistent with the hypothesis of two distinct Martian mantle reservoirs: a reduced, LREE-depleted reservoir...reservoir. Stishovite, possibly seifertite, and dense SiO2 glass were also identified in the meteorite, allowing...returned samples, Martian meteorites provide the only opportunity to directly study Martian magmatic and planetary...differentiation processes. The rarer groups of Martian meteorites are older than 1 Ga and include cumulate... ALH 84001, and the newly discovered crustal meteorite NWA 7034 (Brandon et al. 2000; Treiman 2005; Lapen |  | | Journal (article/letter/editorial) | | 1111/maps.13120 Shock veins and brown olivine in Martian meteorites: Implications for their shock pressure–temperature...accepted 26 April 2018) Abstract–Shergottite Martian meteorites are known to contain brown-colored olivine...in meteorites, olivine darkening is reported in Martian meteorites and the darkened olivine is called “Brown...Moortele et al. 2007a). They are found exclusively in Martian meteorites and are considered to form during a...Meteoritical Society, 2018. 2 A. Takenouchi et al. Martian meteorites, in particular shergottites, underwent |  | | Journal (article/letter/editorial) | | Keywords: Jadeite, Ordinary chondrite, Shocked meteorite, Crystallization, Solid–state transformation ...Podgornykh, 2017) drastically increased the number of meteorite types containing high–pressure polymorphs since...shows the classification tree of meteorites. The meteorite groups containing high– pressure polymorphs are...structure (lingunite) or CaFe2O4–type NaAlSiO4 + stishovite subsequent to jadeite + SiO2 assemblages with... Ohtani, S. Ozawa and M. Miyahara Figure 1. Meteorite classification tree. That presented by Weisberg |  | | Journal (article/letter/editorial) | | change in coordination of ions. Examples are stishovite, akimotoite, and bridgmanite. The stability fields...different in structure and bonding character as stishovite, hexaferrum, or bridgmanite. In need of a criterion...CO2-V-cristobalite, etc. Both criteria overlap, for instance stishovite is a high-pressure mineral according to the first...2017). In 2008, Dera et al. discovered that the meteorite mineral allabogdanite, Fe2P, is the result of...re-evaluation of the charge density distribution in stishovite by Kirfel et al. (2001) is more consistent with |  | Liu, Liping, Liu, Xi, Bao, Xinjian, He, Qiang, Yan, Wei, Ma, Yunlu, He, Mingyue, Tao, Renbiao, Zou, Ruqiang (2018) Si-Disordering in MgAl2O4-Spinel under High P-T Conditions, with Implications for Si-Mg Disorder in Mg2SiO4-Ringwoodite. Minerals, 8 (5) 210 doi:10.3390/min8050210 | Journal (article/letter/editorial) | | natural low quartz, synthetic coesite, synthetic stishovite and synthetic forsterite, we infer that these...observed in some lunar meteorites [29,30] and many Martian meteorites (for Rw in the shergottite, see Boonsue...(N-Qz), and(N-Qz), synthetic MgAl coesite (Coe), stishovite (St) and forsterite (Fo) 2 O4 -Sp, quartz andSi-free...synthetic Si-free MgAl 2O4-Sp, coesite (Coe), stishovite (St) and were similarly analyzed. Here we report...Fo, forsterite; Grt, garnet; Coe, coesite; St, stishovite; Qz, quartz. c Number in the parenthesis is the |  | | Journal (article/letter/editorial) | | isolated pockets of the impact melt. Keywords: meteorite, chondrite, ringwoodite, majorite, akimotoite...high-pressure minerals were found in the Lunar and Martian meteorites (Fritz and Greshake, 2009; Baziotis...Northwest Africa 5011 (NWA 5011) chondrite group meteorite, which is characterized by the abundant microaggregates...of pressure and temperature recorded in this meteorite after shock event. METHODS The studies were carried...for the polished thin section of the NWA 5011 meteorite 3 × 4 cm in size, which contains large SMV domains |  | Ma, Chi, Tschauner, Oliver, Bindi, Luca, Beckett, John R., Xie, Xiande (2019) A vacancy‐rich, partially inverted spinelloid silicate, (Mg,Fe,Si)
2
(Si,□)O
4
, as a major matrix phase in shock melt veins of the Tenham and Suizhou L6 chondrites. Meteoritics & Planetary Science, 54 (9) 1907-1918 doi:10.1111/maps.13349 | Journal (article/letter/editorial) | | stability fields of ringwoodite or wadsleyite plus stishovite (e.g., Fabrichnaya 1995). In Tenham and Suizhou...rare fragments in the shock vein of the Tenham meteorite (due to transformation of low-Ca pyroxene), together...offler et al. 1991, 2018). The 160 kg Tenham (L6) meteorite fell near Tenham station in western Queensland...the ~70 kg Suizhou (L6) meteorite fell near the city of Suizhou in Hubei province, China, on April 15, 1986...outlined in (a). c) Enlarged BSE image of rectangular region outlined in (b). were processed with the CITZAF |  | | 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 |
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