An early giant planet instability recorded in asteroidal meteoritesOPEN ACCESS
Graham Harper Edwards, C. Brenhin Keller, Elisabeth R. Newton & Cameron W. Stewart Nature AstronomyPublished: 15 August 2024 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Giant planet migration appears widespread among planetary systems in our Galaxy. However,…
EL meteorites do date the giant planet instabilityOPEN ACCESS
Chrysa Avdellidou, Marco Delbo, David Nesvorny, Kevin J. Walsh, Alessandro Morbidelli (Submitted on 30 Apr 2024), comment on The link between Athor and EL meteorites does not constrain the timing of the giant planet instability,…
Insights on the origin of oldhamite in enstatites meteorites from Ca stable isotopes
Wei Dai, Frederic Moynier, Julien Siebert Geochimica et Cosmochimica Acta, In Press, Journal Pre-proof, Available online 20 April 2024 LINK “In order to understand the origin of oldhamite (CaS) in enstatite meteorites, we report Ca…
The link between Athor and EL meteorites does not constrain the timing of the giant planet instabilityOPEN ACCESS
Andre Izidoro, Rogerio Deienno, Sean N. Raymond, Matthew S. Clement Comments welcome PDF (OPEN ACCESS) “The asteroid Athor, residing today in the inner main asteroid belt, has been recently associated as the source of EL…
Mapping the redox state of the young Solar System using ytterbium valence stateOPEN ACCESS
Tahar Hammouda, Paul Frossard, Maud Boyet, Audrey Bouvier, Matthew Newville, Antonio Lanzirotti Geochimica et Cosmochimica ActaAvailable online 27 March 2024 LINK (OPEN ACCESS) “We have determined the valence state of Ytterbium (Yb) in a collection…
Hf-W isotope systematics of enstatite chondrites: Parent body chronology and origin of Hf-W fractionations among chondritic meteorites
Jan L. Hellmann, James A. Van Orman, Thorsten Kleine Earth and Planetary Science LettersVolume 626, 15 January 2024, 118518 LINK “Five enstatite chondrites, including two EH4 (Abee, Indarch) and three EL6 samples (Hvittis, Khairpur, Pillistfer),…
Nanophase magnetite in matrix of anomalous EL3 chondrite Northwest Africa (NWA) 8785
M. K. Weisberg, M. E. Zolensky, M. Kimura, K. T. Howard, D. S. Ebel, M. L. Gray, C. M. O’D. Alexander MAPSVersion of Record online: 23 November 2023 LINK “NWA 8785 is a remarkable EL3…
An early giant planet instability recorded in asteroidal meteoritesOPEN ACCESS
Graham Harper Edwards, C. Brenhin Keller, Elisabeth R. Newton, Cameron W. Stewart Under review at Nature Astronomy PDF (OPEN ACCESS) “Giant planet migration appears widespread among planetary systems in our Galaxy. However, the timescales of…
Identifying parent bodies of meteorites among near-Earth asteroidsOPEN ACCESS
Albino Carbognani, Marco Fenucci accepted in MNRAS, Preprint 7 August 2023 PDF (OPEN ACCESS) LINK Monthly Notices of the Royal Astronomical Society, stad2382 (4 August 2023) “Meteorites provide an important source of information about the…
Trace element redistributions during metamorphism of E-chondrites: implications for reduced bodies and the Earth
Jean-Alix Barrat, Addi Bischoff, Brigitte Zanda Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 5 July 2023 LINK “We report on new trace element analyses of enstatite chondrites (ECs) to clarify their behavior during…
Calcium–aluminum-rich inclusions in non-carbonaceous chondrites: Abundances, sizes, and mineralogyOPEN ACCESS
E. T. Dunham, A. Sheikh, D. Opara, N. Matsuda, M.-C. Liu, K. D. McKeegan MAPS, Version of Record online: 12 May 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “As the Sun was forming, calcium–aluminum-rich inclusions (CAIs)…
Upper limits of water contents in olivine and orthopyroxene of equilibrated chondrites and several achondritesOPEN ACCESS
Dennis Harries, Xuchao Zhao, Ian Franchi MAPSVersion of Record online: 13 April 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Hydroxyl defects in nominally anhydrous minerals (NAMs) were potential carriers of water in the early Solar System…
Using the potassium-argon laser experiment (KArLE) to date ancient, low-K chondritic meteorites
Fanny Cattani, Barbara A. Cohen, Cameron M. Mercer, Agnes J. Dahl MAPSVersion of Record online: 10 April 2023 LINK “Several laboratories have been investigating the feasibility of in situ K-Ar dating for use in future…
Lewis Cliff 87223, an anomalous enstatite chondrite and the diversity of enstatite chondrites
Kaitlyn R. Goss, Mabel L. Gray, Michael K. Weisberg, Denton S. Ebel MAPSVersion of Record online: 09 March 2023 LINK “We studied a thin section of Lewis Cliff (LEW) 87223, an unusual EL3-related, enstatite chondrite…
40Ar/39Ar ages of L4, H5, EL6, and feldspathic ureilitic clasts from the Almahata Sitta polymict ureilite (asteroid 2008 TC3)OPEN ACCESS
Brent D. Turrin, Fara Lindsay, Jeremy S. Delaney, Jisun Park, Gregory F. Herzog, Carl Swisher Jr, Cyrena A. Goodrich MAPSVersion of Record online: 22 February 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Almahata Sitta (AhS)…
Origin of Nitrogen Isotopic Variations in the Rocky Bodies of the Solar SystemOPEN ACCESS
Damanveer S. Grewal The Astrophysical Journal, Volume 937, Number 25 October 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Noncarbonaceous (NC; inner solar system) meteorites have lower 15N/14N ratios than carbonaceous (CC; outer solar system) meteorites. Whether…
Earth’s composition was modified by collisional erosion
Paul Frossard, Claudine Israel, Audrey Bouvier, Maud Boyet Science29 Sep 2022Vol 377, Issue 6614pp. 1529-1532 LINK Supplementary Materials “The samarium-146 (146Sm)–neodymium-142 (142Nd) short-lived decay system (half-life of 103 million years) is a powerful tracer of…
Athor asteroid family as the source of the EL enstatite meteoritesOPEN ACCESS
C. Avdellidou, M. Delbo, A. Morbidelli, K. J. Walsh, E. Munaibari, J. Bourdelle de Micas, M. Devogèle, S. Fornasier, M. Gounelle, G. van Belle Astronomy & Astrophysics, Forthcoming articleReceived: 24 July 2022 / Accepted: 30…
Partitioning of Ru, Pd, Ag, Re, Pt, Ir and Au between sulfide-, metal- and silicate liquid at highly reduced conditions: implications for terrestrial accretion and aubrite parent body evolution
E.S. Steenstra, J. Berndt, A. Rohrbach, E.S Bullock, W. van Westrenen, S. Klemme, M.J. Walter Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 27 August 2022 LINK “The abundances of highly siderophile elements (HSE)…
Enstatite chondrites: condensation and metamorphism under extremely reducing conditions and contributions to the EarthOPEN ACCESS
Yangting Lin Progress in Earth and Planetary Science LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Enstatite chondrites are a small clan of meteorites, only ~ 1% out of all meteorite collection. However, they are the most reduced meteorites and…
The message of oldhamites from enstatite chondritesOPEN ACCESS
Tahar Hammouda, Maud Boyet, Paul Frossard & Camille Cartier Progress in Earth and Planetary Science, Volume 9, Article number: 13 (2022)Published: 21 February 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We have determined rare-earth element (REE)…
An exploration of whether Earth can be built from chondritic components, not bulk chondrites
Conel M. O’D. Alexander Geochimica et Cosmochimica ActaAvailable online 17 December 2021 LINK “Here, two of a range of possible models are explored that assume that: (i) two of the main chondritic components (chondrules and…
Chromium Stable Isotope Panorama of Chondrites and Implications for Earth Early Accretion
Ke Zhu (朱柯), Frédéric Moynier, Conel M. O’D. Alexander, Jemma Davidson, Devin L. Schrader, Jian-Ming Zhu, Guang-Liang Wu, Martin Schiller, Martin Bizzarro, and Harry Becker The Astrophysical Journal, Volume 923, Number 1 LINK “We investigated…
Evolution of the parent body of enstatite (EL) chondritesOPEN ACCESS
Mario Trieloff, Jens Hopp, Hans-Peter Gail IcarusIn Press, Journal Pre-proof, Available online 30 October 2021 LINK Update (9 November 2021, Draft version): PDF (OPEN ACCESS) “Highlights • EL chondrite thermochronological data are used to construct…
An Almahata Sitta EL3 fragment: implications for the complex thermal history of enstatite chondritesOPEN ACCESS
M. Kimura, M. K. Weisberg, A. Takaki, N. Imae & A. Yamaguchi Progress in Earth and Planetary Science, Volume 8, Article number: 55 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Almahata Sitta is a polymict breccia,…
Metal‐rich nodules in anomalous EL3 chondrite Northwest Africa (NWA) 8785
Margrit A. Rindlisbacher, Michael K. Weisberg, Denton S. Ebel, Samuel P. Alpert Meteoritics & Planetary ScienceVersion of Record online: 13 May 2021 LINK “NWA 8785 is a remarkable, recently identified, unequilibrated enstatite chondrite. It was…
Micro-distribution of Oxygen Isotopes in Unequilibrated Enstatite Chondrites
Michael K. Weisberg, Noriko T. Kita, Kohei Fukuda, Guillaume Siron, Denton S.Ebel Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 25 February 2021 LINK “We report petrology and high precision, in situ oxygen isotope…
Potassium isotope anomalies in meteorites inherited from the protosolar molecular cloudOPEN ACCESS
Y. Ku, S. B. Jacobsen Science Advances 09 Oct 2020:Vol. 6, no. 41, eabd0511 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Potassium (K) and other moderately volatile elements are depleted in many solar system bodies relative to…
Earth’s water may have been inherited from material similar to enstatite chondrite meteorites
Laurette Piani, Yves Marrocchi, Thomas Rigaudier, Lionel G. Vacher, Dorian Thomassin, Bernard Marty Science 28 Aug 2020:Vol. 369, Issue 6507, pp. 1110-1113DOI: 10.1126/science.aba1948 LINK Supplementary Materials (PDF) “The origin of Earth’s water remains unknown. Enstatite…
Si-Mg isotopes in enstatite chondrites and accretion of reduced planetary bodiesOPEN ACCESS
Jinia Sikdar & Vinai K. Rai Scientific Reports 10 , 1–12 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Among the primitive meteorite classes, Enstatite Chondrites (EC) are believed to share a common origin with the Earth…
Chemically defining the building blocks of the EarthOPEN ACCESS
Takashi Yoshizaki, William F. McDonough, Richard D. Ash, Tetsuya Yokoyama, Marc D. Lipella PDF (OPEN ACCESS) “Chondrites are undifferentiated sediments of material left over from the earliest solar system and are widely considered as representatives…
An Isotopic, Elemental and Structural Study of Silicon Nitride from Enstatite Chondrites
J. Leitner, C. Vollmer, T. Henkel, U. Ott, P. Hoppe Geochimica et Cosmochimica Acta Available online 4 June 2018 LINK “We report an in-situ investigation of silicon nitride (Si3N4) grains from several enstatite chondrites of…
Thermal evolution and sintering of chondritic planetesimals IV. Temperature dependence of heat conductivity of asteroids and meteoritesOPEN ACCESS
Hans-Peter Gail, Mario Trieloff Update (30 July 2018):LINK PDF (OPEN ACCESS) “Understanding the compaction and differentiation of the planetesimals and protoplanets from the Asteroid Belt and the terrestrial planet region of the Solar System requires…
Enstatite chondrites EL3 as building blocks for the Earth: The debate over the 146Sm–142Nd systematics
M. Boyet, A. Bouvier, P. Frossard, T. Hammouda, M. Garçon, A. Gannoun Earth and Planetary Science Letters Volume 488, 15 April 2018, Pages 68–78 LINK “Highlights • Here we present the first high precision Nd…
Chemical variations of sulfides and metal in enstatite chondrites—Introduction of a new classification scheme
Weyrauch, M., Horstmann, M. and Bischoff, A. Meteoritics & Planetary Science. doi: 10.1111/maps.13025 LINK “In this study, the metal and sulfide compositions of 45 enstatite chondrites were analyzed to determine possible mineral-chemical trends correlated with…
Cosmic-ray exposure ages of six chondritic Almahata Sitta fragments
Riebe, M. E. I., Welten, K. C., Meier, M. M. M., Wieler, R., Barth, M. I. F., Ward, D., Laubenstein, M., Bischoff, A., Caffee, M. W., Nishiizumi, K. and Busemann, H. Meteoritics & Planetary Science….
Origin of EL3 chondrites: Evidence for variable C/O ratios during their course of formation—A state of the art scrutiny.
El Goresy, A., Lin, Y., Miyahara, M., Gannoun, A., Boyet, M., Ohtani, E., Gillet, P., Trieloff, M., Simionovici, A., Feng, L. and Lemelle, L. Meteoritics & Planetary Science. doi: 10.1111/maps.12832 LINK “Mineral inventories of enstatite…
Asteroid 2008 TC3 Breakup and Meteorite Fractions
Goodrich, C.; Jenniskens, P.; Shaddad, M. H.; Zolensky; M. E.; Fioretti, A. M. JSC-CN-38419, Conference Paper Asteroid Comets and Meteors Conference (ACM 2017); 10-14 Apr. 2017; Montevideo; Uruguay abstract “The recovery of meteorites from the…
Impact melting of the largest known enstatite meteorite: Al Haggounia 001, a fossil EL chondrite.
Rubin, A. E. Meteoritics & Planetary Science. doi: 10.1111/maps.12679 LINK “Al Haggounia 001 and paired specimens (including Northwest Africa [NWA] 2828 and 7401) are part of a vesicular, incompletely melted, EL chondrite impact melt rock…
The valence and coordination of titanium in ordinary and enstatite chondrites
Steven B. Simon, Stephen R. Sutton, Lawrence Grossman Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 17 June 2016 LINK “One way to better understand processes related to chondrite metamorphism is to evaluate…
Characterization of Nitrogen-Bearing Phases in the Enstatite Chondrites Indarch and Neuschwanstein
Leitner J. * Hoppe P. 79th Annual Meeting of the Meteoritical Society (2016) #6173 LINK
I-Xe ages of enstatite chondrites
Jens Hopp, Mario Trieloff, Ulrich Ott Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 23 November 2015 doi:10.1016/j.gca.2015.11.014 LINK “In order to elucidate the early thermal history of enstatite chondrite parent bodies we…
High-precision sulfur isotope composition of enstatite meteorites and implications of the formation and evolution of their parent bodies
C. Defouilloy, P. Cartigny, N. Assayag, F. Moynier, J.-A. Barrat Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 19 October 2015 doi:10.1016/j.gca.2015.10.009 LINK “In order to better understand the formation and evolution of…
Evolution of Zakłodzie enstatite meteorite – insight from TEM analyses
A. Krzesinska, R. Wirth, and M.A. Kusiak EPSC Abstracts Vol. 10, EPSC2015-651, 2015 European Planetary Science Congress 2015 PDF “The Zakłodzie meteorite is an achondritic-like rock with enstatite chondrite parentage [1,2,3]. Its texture indicative for…
Impact features of enstatite-rich meteorites
Alan E. Rubin Chemie der Erde – Geochemistry doi:10.1016/j.chemer.2014.09.001 In Press, Corrected Proof, Available online 11 December 2014 LINK
Calcium-48 isotopic anomalies in bulk chondrites and achondrites: Evidence for a uniform isotopic reservoir in the inner protoplanetary disk
Nicolas Dauphas, James H. Chen, Junjun Zhang, Dimitri A. Papanastassiou, Andrew M. Davis, Claudia Travaglio Earth and Planetary Science Letters Volume 407, 1 December 2014, Pages 96–108 LINK The Earth has identical 48Ca isotopic composition…
39Ar-40Ar chronology of the enstatite chondrite parent bodies
Hopp J, Trieloff M, Ott U, Korochantseva EV and Buykin AI Meteoritics & Planetary Science Volume 49, Issue 3, pages 358–372, March 2014 LINK
The lithophile trace elements in enstatite chondrites
Barrat JA, Zanda B., Jambon A. and Bollinger C. Geochimica et Cosmochimica Acta Volume 128, 1 March 2014, Pages 71–94 LINK