New knowledge about shock events that affected the L-chondrite parent body from two heavily shocked L6 meteorite findsOPEN ACCESS 

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I. Baziotis, L. Ferrière, C. Ma, J. Hu, D. Palles, P. D. Asimow MAPS, Version of Record online: 06 October 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report new results from a study of shock-related…

Shock metamorphic effects in phosphates from ordinary chondrites

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E. Dobrică, V. Megevand, A.N. Krot, A.J. Brearley Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 May 2025 LINK “Studies of shock metamorphic effects in apatite and merrillite in nine ordinary chondrites (OCs)…

Positive correlation between shock stage and petrologic type in ordinary chondrites: Implications for the internal structures and thermal histories of ordinary-chondrite parent asteroidsOPEN ACCESS 

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Alan E. Rubin MAPS, Version of Record online: 07 November 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “H, L, and LL chondrites all exhibit positive correlations between mean shock stage and petrologic type. At a given…

Shock-induced pervasive remelting of Fe sulfides in the basaltic shergottite Northwest Africa 14672: A benchmark for shock stages S6/S7 on Mars

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Jean-Pierre Lorand, Sylvain Pont, Roger H. Hewins, Brigitte Zanda MAPS, Version of Record online: 04 July 2024 LINK “Northwest Africa (NWA) 14672, the most highly shocked Martian meteorite so far, has experienced >50% melting, compatible…

Moderately volatile elemental and isotopic variations in variably shocked equilibrated ordinary chondrites from Antarctica

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Jérôme Roland, Vinciane Debaille, Hamed Pourkhorsandi, Steven Goderis Icarus, In Press, Journal Pre-proof, Available online 1 February 2024 LINK “Volatile elements, crucial players in planetary evolution, condense at low temperatures from solar nebula. Despite extensive…

High Shock Pressure Metamorphism Induced Transformations of Olivine and Feldspar in Natun Balijan L4 Chondrite: Evidence from Micro-Raman, Infrared Spectroscopy, X-ray Diffraction and Electron Microprobe Analysis

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Bhaskar J. Saikia, G. Parthasarathy, N. V. Chalapathi Rao, Rashmi R. Borah & Deepak Kumar Journal of the Geological Society of India, Volume 98, pages 731–739Published: 10 June 2022 LINK “For the first time, the…

Measuring the shock stage of Itokawa and asteroid regolith grains by electron backscattered diffraction, optical petrography, and synchrotron X-ray diffraction

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Michael Zolensky, James Martinez, Scott Sitzman, Takashi Mikouchi, Kenji Hagiya, Kazumasa Ohsumi, Mutsumi Komatsu, Tomoki Nakamura, Atsushi Takenouchi, Haruka Ono, Hikari Hasegawa, Kotaro Higashi, Yasuko Terada, Naoto Yagi, Masaki Takata, Hikaru Ozawa, Yuta Taki, Yuta…

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…

Quantitative determination of the shock stage of L6 ordinary chondrites using X-ray diffraction

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Naoya Imae, Makoto Kimura American MineralogistSeptember 01, 2021, Vol.106, 1470-1479. doi:https://doi.org/10.2138/am-2021-7554 LINK “The shock stages of 14 L6 ordinary chondrites are estimated using the random X-ray diffraction patterns of polished thin section samples and the…

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