A chondritic Martian mantle revealed by the heavy noble gas composition of the chassignite NWA 8694
Sandrine Péron, Sujoy Mukhopadhyay Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 11 January 2025 LINK “Accretion of volatile elements is a critical step to make a planet habitable. It is often assumed that…
A tale of two planets: Disparate evolutionary models for Mars inferred from radiogenic isotope compositions of Martian meteoritesOPEN ACCESS
Lars E. Borg and Thomas S. Kruijer PNAS, January 6, 2025, 122 (2) e2404257121 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The radiogenic isotopic compositions of basaltic Martian meteorites (shergottites) and clinopyroxene/olivine cumulate meteorites (nakhlite/chassignites) are used…
The source craters of the martian meteorites: Implications for the igneous evolution of MarsOPEN ACCESS
Christopher D. K. Herd, Jarret S. Hamilton, Erin L. Walton, Livio L. Tornabene, Anthony Lagain, Gretchen K. Benedix, Alex I. Sheen, Harry J. Melosh, Brandon C. Johnson, Sean E. Wiggins, Thomas G. Sharp and James…
Complex zoning in the nakhlite and chassignite martian meteorites reveals multi-stage petrogenesis and undercooling during crystallization
Amanda Ostwald, Arya Udry, Juliane Gross, James M.D. Day, Sammy Griffin Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 28 June 2024 LINK “Nakhlites (clinopyroxene-rich cumulates) and chassignites (dunites) are two types of meteorites…
Non-destructive quantitative analysis of melt inclusions in extraterrestrial samples: Case study of chassignite via nanoscale X-ray computed tomography
Peiyu Wu, Kyle Dayton, Esteban Gazel, Teresa Porri MAPS, Version of Record online: 13 May 2024 LINK “Estimation of the composition of planetary rocks and minerals is crucial for understanding their formation processes. In this…
Melt inclusion heterogeneity in nakhlite and chassignite meteorites and evidence for complicated, multigenerational magmas
Amanda Ostwald, Arya Udry, James M. D. Day, Juliane Gross MAPS, Version of Record online: 18 March 2024 LINK “Nakhlite and chassignite meteorites are cumulate rocks thought to originate from the same location on Mars….
Origin and abundances of volatiles on Mars from the zinc isotopic composition of Martian meteorites
M. Paquet, Paolo A. Sossi, Frédéric Moynier Earth and Planetary Science LettersVolume 611, 1 June 2023, 118126, Version of Record: 14 April 2023 LINK “Volatile elements are key to understanding the accretion and differentiation processes…
Origin of nitrogen on Mars: First in situ N isotope analyses of martian meteorites
C. Deligny, E. Füri, E. Deloule, A.H. Peslier, F. Faure, Y. Marrocchi Geochimica et Cosmochimica ActaAvailable online 23 January 2023 LINK “Martian meteorites are key for assessing the isotopic characteristics of nitrogen in different martian…
Krypton in the Chassigny meteorite shows Mars accreted chondritic volatiles before nebular gases
Sandrine Péron and Sujoy Mukhopadhyay Science, 16 Jun 2022 LINK Supplementary Materials (DOWNLOAD) “Volatile chemical elements are thought to have been delivered to Solar System terrestrial planets late in their formation, by accretion of chondritic…
Melt inclusions in chassignite NWA 2737: A link between processes recorded in Martian meteorites and rocks at Gale crater
Peiyu Wu, Esteban Gazel, Arya Udry, Jacob B. Setera, Amanda Ostwald Meteoritics & Planetary ScienceVersion of Record online: 10 July 2021 LINK “Northwest Africa (NWA) 2737, one of the only three discovered Martian chassignites, provides…
40Ar/39Ar ages of Northwest Africa 7034 and Northwest Africa 7533
F. N. Lindsay, J. S. Delaney, C. Göpel, G. F. Herzog, R. Hewins, M. Humayun, K. Nagao, L. E. Nyquist, J. Park, J. B. Setera, C.‐Y. Shih, C. C. Swisher III, B. Zanda, B. D….
Uniform oxygen fugacity of shergottite mantle sources and an oxidized martian lithosphere
Robert W. Nicklas, James M.D. Day, Zoltan Vaci, Arya Udry, Yang Liu, Kimberly T. Tait Earth and Planetary Science LettersVolume 564, 15 June 2021 LINK “Highlights • fO2 of eight SNCs measured using V-in-olivine oxybarometry.•…
What Have We Learned About the Interior and Surface of Mars from Martian Meteorites
Udry A., Howarth G. H., Herd C. D. K., Day J. M. D., Lapen T. K. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1046 PDF “Martian meteorites are the only samples that…
Northwest Africa 8694, A ferroan chassignite: Bridging the gap between nakhlites and chassignites
R.H. Hewins, M. Humayun, J.A. Barrat, B. Zanda, J.P. Lorand, S. Pont, N. Assayag, P. Cartigny, S. Yang, V. Sautter Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 May 2020 LINK “The origin(s)…
Radionuclides in Chassigny and Nakhla meteorites of Mars origin: Implications for their pre-atmospheric sizes and cosmic-ray exposure ages
P.P. Povinec, I. Sýkora, R.J. Macke, J. Tóth, L. Kornoš, V. Porubčan Planetary and Space Science In Press, Journal Pre-proof, Available online 26 March 2020 LINK “Highlights • Two Martian meteorites, Chassigny and Nakhla, were…
A compositionally heterogeneous martian mantle due to late accretionOPEN ACCESS
Simone Marchi, Richard J. Walker and Robin M. Canup Science Advances 12 Feb 2020: Vol. 6, no. 7, eaay2338 DOI: 10.1126/sciadv.aay2338 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The approximately chondritic estimated relative abundances of highly…
The composition of MarsOPEN ACCESS
Takashi Yoshizaki, William F. McDonough PDF (OPEN ACCESS) “Comparing compositional models of the terrestrial planets provides insights into physicochemical processes that produced planet-scale similarities and differences. The widely accepted compositional model for Mars assumes Mn…
Martian magmatism from plume metasomatized mantleOPEN ACCESS
James M. D. Day, Kimberly T. Tait, Arya Udry, Frédéric Moynier, Yang Liu & Clive R. Neal Nature Communications Volume 9, Article number: 4799 (2018) Published: 15 November 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS)…
1.34 billion-year-old magmatism on Mars evaluated from the co-genetic nakhlite and chassignite meteorites
Arya Udry, James M.D. Day Geochimica et Cosmochimica Acta Available online 12 July 2018 LINK “Nakhlite and chassignite martian meteorites have similar crystallization (1340 ± 40 Ma) and ejection (∼11 Ma) ages, and 87Rb-87Sr and…
Multiple Igneous Bodies for Nakhlites and Chassignites as Inferred from Olivine Cooling Rates Using Calcium Zoning
Mikouchi T. * Takenouchi A. Zolensky M. E. 80th Annual Meeting of the Meteoritical Society 2017 [#6177] abstract (PDF) “We analyzed Ca zoning of olivine from nakhlites and chassignites to calculate their cooling rates. The…
Magma Emplacement on Mars Inferred from a Comprehensive Suite of Nakhlites and Chassignites
Udry A. * Day J. M. D. Moynier F. 80th Annual Meeting of the Meteoritical Society 2017 [#6027] abstract (PDF) “We combine quantitative textural and bulk rock geochemical observations on a suite of 15 nakhlites…
A Pb isotopic resolution to the Martian meteorite age paradox
J.J. Bellucci, A.A. Nemchin, M.J. Whitehouse, J.F. Snape, R.B. Kielman, P.A. Bland, G.K. Benedix Earth and Planetary Science Letters In Press, Corrected Proof, Available online 1 December 2015 LINK “Determining the chronology and quantifying various…
Igneous and shock processes affecting chassignite amphibole evaluated using chlorine/water partitioning and hydrogen isotopes
Giesting, P. A., Schwenzer, S. P., Filiberto, J., Starkey, N. A., Franchi, I. A., Treiman, A. H., Tindle, A. G. and Grady, M. M. (2015), Meteoritics & Planetary Science. doi: 10.1111/maps.12430 LINK
NWA 8694, a Ferroan Chassignite
R. H. Hewins, B. Zanda, S. Pont, M. Humayun, N. Assayag, P. Cartigny 46th Lunar and Planetary Science Conference (2015), Abstract #2249 PDF LINK
NWA 8694 – a new Chassignite classified
NWA 8694 back-scattered electron microscope image photo: Labenne Meteorites Meteoritical Bulletin Database Writeup