 | 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) | | com/locate/gca Ahrensite, c-Fe2SiO4, a new shock-metamorphic mineral from the Tissint meteorite: Implications...Implications for the Tissint shock event on Mars Chi Ma a,⇑, Oliver Tschauner b, John R. Beckett a, Yang Liu...2016; available online 27 April 2016 Abstract Ahrensite (IMA 2013-028), c-Fe2SiO4, is the natural Fe-analog...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 |  | 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...and veins in this meteorite, olivine is often transformed to ringwoodite or ahrensite and, in the immediate |  | Liu, Yang, Baziotis, Ioannis P., Asimow, Paul D., Bodnar, Robert J., Taylor, Lawrence A. (2016) Mineral chemistry of the Tissint meteorite: Indications of two-stage crystallization in a closed system. Meteoritics & Planetary Science, 51 (12) 2293-2315 doi:10.1111/maps.12726 | Journal (article/letter/editorial) | | 1111/maps.12726 Mineral chemistry of the Tissint meteorite: Indications of two-stage crystallization...revision accepted 10 July 2016) Abstract–The Tissint meteorite is a geochemically depleted, olivine-phyric...phenocrysts. Among depleted olivine-phyric shergottites, Tissint is the first one that acts mostly as a closed system...phenocrysts. The texture and mineral chemistry of Tissint indicate a crystallization sequence of: olivine...and phosphate. The crystallization of the Tissint meteorite likely occurred in two stages: uniform olivine |  | Ma, C., Tschauner, O., Liu, Y., Beckett, J.R., Rossman, G.R., Zuravlev, K., Prakapenka, V., Dera, P., Sinogeikin, S., Smith, J., Taylor, L.A. (2014) Discovery of Ahrensite gamma-Fe2SiO4 and Tissintite (Ca, Na, □) AlSi2O6: Two New High Pressure Minerals from the Tissint Martian Meteorite. 45th Lunar and Planetary Science Conference. | Conference Paper/Abstract | | Science Conference (2014) 1222.pdf DISCOVERY OF AHRENSITE γ-Fe2SiO4 AND TISSINTITE (Ca,Na,□)AlSi2O6: TWO...TWO NEW HIGH PRESSURE MINERALS FROM THE TISSINT MARTIAN METEORITE. Chi Ma1, Oliver Tschauner2, Yang Liu3...caltech.edu. Introduction: The recent Martian meteorite fall, Tissint, is a fresh heavily shocked olivine-phyric...During a nanomineralogy investigation of this meteorite by analytical scanning electron microscope, electron...we identified two new shock-induced minerals ahrensite, γ-Fe2SiO4, and tissintite, (Ca,Na,□)AlSi2O6; |  | 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 | | pdf FIRST NEW MINERALS FROM MARS: DISCOVERY OF AHRENSITE γ-Fe2SiO4 AND TISSINTITE (Ca,Na,□)AlSi2O6, TWO...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...we discovered two new shock-induced minerals ahrensite γ-Fe2SiO4 and tissintite (Ca,Na,□)AlSi2O6 [2] |  | | Report (issue) | | Ahrensite SiFe2O4 Crystal Data: Cubic. Point Group: 4/m 3 2/m. In polycrystalline aggregates to 20... 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...melt pockets in an olivine-phyric shergottite meteorite [TL]. Association: Bridgmanite, ringwoodite, wüstite...olivine, ilmenite. Distribution: In the Tissint Martian meteorite [TL]. Possible terrestrial occurrences |  | 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...becomes stable, although this was not observed in Tissint. © 2015 Elsevier B.V. All rights reserved. 1. |  | | 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...unusal shock history of this meteorite. The transformation of olivine to ahrensite (Fe-ringwoodite) along shock...of previous shock pressure estimates for this meteorite (15–23 GPa). The presence of a majoritic garnet-bearing |  | | Journal (article/letter/editorial) | | abundant mineral in Earth; Tschauner et al. 2014), ahrensite (Fe2SiO4-spinel; Ma et al. 2016), tissintite [(Ca...2017-062 IMA 2017-068 Mineral name tissintite ahrensite liebermannite bridgmanite zagamiite riesite wangdaodeite...schreyerite-type Type occurrence Reference Tissint shergottite Ma et al. (2015) Tissint shergottite Ma et al. (2016)...diamonds from Earth’s mantle Tschauner et al. (2018) Tissint shergottite Ma et al. (2018b) Xiuyan impact crater...2018) and the type machiite in the Murchison CM meteorite (Makide et al. 2013). This implies that machiite |  | 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) | | related to a possible occurrence of terrestrial ahrensite William E. Glassley1,2,*, John A. Korstgård2,...rods formed during inversion of super-silicic ahrensite to Fa+Qtz during decompression. These new observations...Fa postulated to have formed by inversion of ahrensite are consistent with the inversion scenario. We...available data are consistent with the postulate that ahrensite was part of the equilibrium phase assemblage formed...of terrestrial ahrensite formed through natural tectonic processes. Keywords: Ahrensite, UHP, quartz exsolution |  | 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 |  | 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 |  | | 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...ion milling and ultramicrotomy. In the case of meteorite samples, the target particles for TEM observations...sized. In addition, valuable specimens, such as Martian and lunar meteorites, require special instrumentation |  | | Journal (article/letter/editorial) | | Al63Cu24Fe13 (Bindi et al. 2011). Coexistence with ahrensite (Hollister et al. 2014) and a subsequent experimental...2017). In 2008, Dera et al. discovered that the meteorite mineral allabogdanite, Fe2P, is the result of...inclusions in diamond that imply a lower mantle source region is not always unambiguous. Brucite Brucite was...Recently stishovite was reported from a lunar meteorite (Kaneko et al. 2015). Presence of stishovite in...mineral that was found in the Shergotty and Zagami martian meteorites (Dera et al. 2002; El Goresy et al. |  | 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...21 We report occurrences of coesite in a martian meteorite, expending previously- 22 reported silica...melts in this 34 meteorite cooled slower than those in other stishovite-bearing martian meteorites, but |  | | 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 |  | 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) | | 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...image of rectangular region outlined in (a). c) Enlarged BSE image of rectangular region outlined in (b). |  | 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 (issue) | | to geolog ists as the Etendeka ( V o lcanism) Province, wh ich was a bimodal event consisting of a seri...ferred to as a " Continental Flood Basalt" o r CFB Province. The most recent dating of t he volcanic rocks...the igneous complex is known as the Parana CFB Province. The Parana CFB has been dated in t he range of...Period . The CFB's in Erongo Province. N amibia (Etendeka CFB Province) and those in Rio G rande do Sol...Sol. Brazil ( Parana CFB Province) are the remnants of the same rifling event that broke up southern |  | | Journal (article/letter/editorial) | | (~10-4–10-5 bar) conditions in the CAI-forming region near the protosun. The currently observed disequilibrium...Institute of Technology, for his contributions to meteorite mineralogy and discovery of many new minerals...ultrarefractory phase, Ca-Al-rich inclusion, Murchison meteorite, CM2 carbonaceous chondrite, oxygen isotopes ...mineralogical investigation of the Murchison meteorite, CM2 Mighei-type carbonaceous chondrite fell at...natural occurrence of Al2Ti3O9 in a primitive meteorite, as a new ultrarefractory mineral, and discussion |  | | Journal (article/letter/editorial) | | to now, 24 mineral species have been approved: ahrensite, brunogeierite, chromite, cochromite, coulsonite...oxide spinels sorted alphabetically. Ahrensite—SiFe2O4. Ahrensite is a silicate spinel, the Fe2+ analog...structure. It has been found in the Tissint Martian meteorite recovered in Morocco in October 2011 (Ma et al....(14) (15) (16) (17) 4-2 spinels (A4+B22+O4) Ahrensite SiFe2O4 8.234 1.652 2.137 (18) Brunogeierite GeFe2O4...from the Pereval marble quarry, southern Baikal region, Russia (Reznitsky et al. 1995) and was named for |  | 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) | | observed in some lunar meteorites [29,30] and many Martian meteorites (for Rw in the shergottite, see Boonsue...ExoMars analytical laboratory and deployed on the Martian surface to investigate the mineralogical and biological...[108–112], LL ordinary chondrites [14,26], and Martian meteorites like the shergottites [32,34,37]. If...spectroscopy of Fe-Ti-Cr-oxides, case study: Martian meteorite EETA 79001. Am. Mineral. 2004, 89, 665–680...Treiman, A.H. Unique spinel-rich lithology in lunar meteorite ALHA81005: Origin and possible connection to M3 |  | | 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 |  | | Book | | METEORITE MINERALOGY Meteorites are fascinating cosmic visitors. Using accessible language, this book...book documents the history of mineralogy and meteorite research, summarizes the mineralogical characteristics...photographs of meteorite minerals, and with an accompanying online list of meteorite minerals, this book...book provides a useful resource for meteorite researchers, terrestrial mineralogists, cosmochemists,...students in these fields. a l a n e . r u b i n is a meteorite researcher who recently retired from the University |
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