New high-pressure Fe-Ti oxide minerals in the Shergotty Martian meteorite: Feiite, Fe2+2(Fe2+Ti4+)O5, liuite, FeTiO3, and tschaunerite, (Fe2+)(Fe2+Ti4+)O4

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Chi Ma, Oliver Tschauner, John R. Beckett, Vitali B. Prakapenka MAPS, Version of Record online: 29 December 2024 LINK “High-pressure oxides like perovskite-type FeTiO3, CaTi2O4-type Fe2TiO4, and ferrous-ferric oxides that form polysomes between wüstite and…

Shock-recovered maskelynite indicates low-pressure ejection of shergottites from MarsOPEN ACCESS 

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Jinping Hu, Paul D. Asimow, Yang Liu, and Chi Ma Science Advances3 May 2023Vol 9, Issue LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Diaplectic feldspathic glass, commonly known as maskelynite, is a widely used impact indicator, notably…

Occurrence of tuite and ahrensite in Zagami and their significance for shock-histories recorded in martian meteorites

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Lixin Gu; Sen Hu; Mahesh Anand; Xu Tang; Jianglong Ji; Bin Zhang; Nian Wang; Yangting Lin American Mineralogist (2022) 107 (6): 1018–1029. LINK “We report on the discovery of two high-pressure minerals, tuite and ahrensite,…

Formation, preservation and extinction of high-pressure minerals in meteorites: temperature effects in shock metamorphism and shock classificationOPEN ACCESS 

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Jinping Hu & Thomas G. Sharp Progress in Earth and Planetary Science, Volume 9, Article number: 6 (2022), Published: 05 January 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The goal of classifying shock metamorphic features in…

Natural and experimental high-pressure, shock-produced terrestrial and extraterrestrial materialsOPEN ACCESS 

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Masaaki Miyahara, Naotaka Tomioka & Luca Bindi Progress in Earth and Planetary Science, Volume 8, Article number: 59 (2021), REVIEW LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Hypervelocity impacts are among the fundamental phenomena occurring during the…

Complicated pressure – temperature path recorded in the eucrite Padvarninkai

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Masaaki Miyahara, Akira Yamaguchi, Eiji Ohtani, Naotaka Tomioka, Yu Kodama Meteoritics & Planetary ScienceFirst Published: 26 July 2021 LINK “High-pressure minerals in the eucrite Padvarninkai were investigated. Parts of anorthitic plagioclase and tridymite in the…

Donwilhelmsite, [CaAl4Si2O11], a new lunar high-pressure Ca-Al-silicate with relevance for subducted terrestrial sediments

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Jörg Fritz, Ansgar Greshake, Mariana Klementova, Richard Wirth, Lukas Palatinus, Reidar G. Trønnes,Vera Assis Fernandes, Ute Böttger, Ludovic Ferrière American Mineralogist (2020) 105 (11): 1704–1711. LINK “We report on the occurrence of a new high-pressure…

Chenmingite, FeCr2O4 in the CaFe2O4-type structure, a shock-induced, high-pressure mineral in the Tissint martian meteorite

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Chi Ma; Oliver Tschauner; John R. Beckett; Yang Liu; Eran Greenberg; Vitali B. Prakapenka American Mineralogist October 01, 2019, Vol.104, 1521-1525. doi:10.2138/am-2019-6999 LINK “Chenmingite (FeCr2O4; IMA 2017-036) is a high-pressure mineral, occurring as micrometer- to…

Formation Parameters of High-Pressure Minerals in the Dhofar 717 and 864 Chondrite Meteorites

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K. D. Litasov, D. D. Badyukov, N. P. Pokhilenko Doklady Earth Sciences March 2019, Volume 485, Issue 1, pp 327-330 First Online: 28 May 2019 LINK “This paper presents the results of a Raman spectroscopic…

Allabogdanite, the high-pressure polymorph of (Fe,Ni)2P, a stishovite-grade indicator of impact processes in the Fe–Ni–P systemOPEN ACCESS 

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Sergey N. Britvin, Vladimir V. Shilovskikh, Renato Pagano, Natalia S. Vlasenko, Anatoly N. Zaitsev, Maria G. Krzhizhanovskaya, Maksim S. Lozhkin, Andrey A. Zolotarev & Vladislav V. Gurzhiy Scientific Reports Volume 9, Article number: 1047 (2019)…

High pressure minerals in the Château-Renard (L6) ordinary chondrite: implications for collisions on its parent bodyOPEN ACCESS 

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Ioannis Baziotis, Paul D. Asimow, Jinping Hu, Ludovic Ferrière, Chi Ma, Ana Cernok, Mahesh Anand & Dan Topa Scientific Reportsvolume 8, Article number: 9851 (2018) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report the first…

Liebermannite, KAlSi3O8, a new shock-metamorphic, high-pressure mineral from the Zagami Martian meteorite

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Ma, C., Tschauner, O., Beckett, J. R., Rossman, G. R., Prescher, C., Prakapenka, V. B., Bechtel, H. A. and MacDowell, A. Meteoritics & Planetary Science. doi: 10.1111/maps.13000 LINK “In this paper, we discuss the occurrence…

Back-transformation of high-pressure minerals in shocked chondrites: low-pressure mineral evidence for strong shock

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Jinping Hu, Thomas G. Sharp Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 July 2017 LINK “Post-shock annealing of meteorites can destroy their shock-induced features, particularly high-pressure minerals, and complicate the estimation…

High-pressure minerals in shocked meteorites.

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Tomioka, N. and Miyahara, M. Meteoritics & Planetary Science. doi: 10.1111/maps.12902 LINK “Heavily shocked meteorites contain various types of high-pressure polymorphs of major minerals (olivine, pyroxene, feldspar, and quartz) and accessory minerals (chromite and Ca…

Transmission electron microscopic study of the fine-grained vein matrix in the Suizhou L6 meteorite

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Xie Xiande , Wang Jianbo, Gu Xiangping, Xiong Yi, Jia Shuangfeng Acta Geochimica June 2016, Volume 35, Issue 2, pp 105-110 LINK “The mineralogy of shock vein matrix in the Suizhou meteorite has been investigated…

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