Dynamic evolution of major element chemistry in protoplanetary disks and its implications for Earth-enstatite chondrite connection
Yoshinori Miyazaki, Jun Korenaga IcarusIn Press, Journal Pre-proof, Available online 19 February 2021 LINK “Chondrites are the likely building blocks of Earth, and identifying the group of chondrite that best represents Earth is a key…
Bubbles to Chondrites-II. Chemical fractionations in chondritesOPEN ACCESS
Akihiko Hashimoto & Yuki Nakano Progress in Earth and Planetary Science volume 8, Article number: 9 (2021) LINK (OPEN ACCESS)PDF (DOWNLOAD) “We attempt to develop a possible theory of chemical fractionations in chondrites, that is…
Salt – A critical material to consider when exploring the solar system
M.R.M. Izawa, P.L. King, P. Vernazza, J.A. Berger, W.A. McCutcheon IcarusAvailable online 20 January 2021 LINK “Highlights • Mid-IR spectra of mixtures of salt and E, C, and O chondrites are reported.• Intimate mixtures of…
Nature of bright C-complex asteroidsOPEN ACCESS
Sunao Hasegawa, Toshihiro Kasuga, Fumihiko Usui, Daisuke Kuroda accepted for publication in PASJ PDF (OPEN ACCESS) “Most C-complex asteroids have albedo values less than 0.1, but there are some high-albedo (bright) C-complex asteroids with albedo…
Variable refractory lithophile element compositions of planetary building blocksOPEN ACCESS
Takashi Yoshizaki, Richard D. Ash, Marc D. Lipella, Tetsuya Yokoyama, William F. McDonough PDF (OPEN ACCESS) “Chondrites are undifferentiated sediments of materials left over from the earliest stage of the solar system history, and are…
The NC-CC Isotope Dichotomy: Implications for the Chemical and Isotopic Evolution of the Early Solar System
Katherine R. Bermingham, Evelyn Füri, Katharina Lodders & Bernard Marty Space Science Reviews, Volume 216, Article number: 133 (2020) LINK “Understanding the formation of our planetary system requires identification of the materials from which it…
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…
Early evolution of the solar accretion disk inferred from Cr-Ti-O isotopes in individual chondrulesOPEN ACCESS
Jonas M. Schneider, Christoph Burkhardt, Yves Marrocchi, Gregory A. Brennecka, Thorsten Kleine Submitted to EPSL on Jan 29 2020, accepted in revised form Sep. 12 2020 PDF (OPEN ACCESS) Erratum to “Early evolution of the…
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…
Petrological evidence for the existence and disruption of a 500 km-sized differentiated planetesimal of enstatite-chondritic parentage
Dennis Harries, Addi Bischoff Earth and Planetary Science LettersVolume 548, 15 October 2020, 116506 LINK “Highlights • A unique enstatite-rich lithology was found among Almahata Sitta meteorite samples.• Petrology indicates a radius of ∼500 km…
Sectioning effects of porphyritic chondrules: Implications for the PP/POP/PO classification and correcting modal abundances of mineralogically zoned chondrulesOPEN ACCESS
Jens Barosch, Dominik C. Hezel, Lena Sawatzki, Lucia Halbauer, Yves Marrocchi Meteoritics & Planetary Science LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mineralogically zoned chondrules are a common chondrule type in chondrites. They consist of olivine cores,…
Dynamic evolution of major element chemistry in protoplanetary disks and its implications for chondrite formationOPEN ACCESS
Yoshinori Miyazaki, Jun Korenaga PDF (OPEN ACCESS) “Chondrites are the likely building blocks of Earth, and identifying the group of chondrite that best represents Earth is a key to resolving the state of the early…
Concepts of the Small Body Sample Return Missions – the 1st 10 Million Year Evolution of the Solar System
Yangting Lin, Yonghe Zhang, Sen Hu, Yuchen Xu, Weijia Zhou, Shijie Li, Wei Yang, Yang Gao, Mingtao Li, Qingzhu Yin, Douglas Lin & Wing Ip Space Science Reviews, Volume 216, Article number: 45 (2020)Published: 20…
The origin and fate of volatile elements on Earth revisited in light of noble gas data obtained from comet 67P/Churyumov-GerasimenkoOPEN ACCESS
David V. Bekaert, Michael W. Broadley & Bernard Marty Scientific Reports, Volume 10, Article number: 5796 (2020) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The origin of terrestrial volatiles remains one of the most puzzling questions…
Supply of phosphate to early Earth by photogeochemistry after meteoritic weathering
Dougal J. Ritson, Stephen J. Mojzsis & John. D. Sutherland Nature Geoscience (2020) Published: 23 March 2020 LINK “During terrestrial differentiation, the relatively small amount of phosphorus that migrated to the lithosphere was incorporated into…
Subsolar Al/Si and Mg/Si ratios of non-carbonaceous chondrites reveal planetesimal formation during early condensation in the protoplanetary diskOPEN ACCESS
A. Morbidelli, G. Libourel, H. Palme, S.A. Jacobson, D.C. Rubie Accepted for publication in EPSL PDF (OPEN ACCESS) “The Al/Si and Mg/Si ratios in non-carbonaceous chondrites are lower than the solar (i.e., CI-chondritic) values, in…
Cadmium isotopes in chondrites and acid leachates: Nucleosynthetic homogeneity and a monitor for thermal neutron capture effects
Eniko R. Toth, Manuela A. Fehr, Matthias Friebel, Maria Schönbächler Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 6 February 2020 LINK “Nucleosynthetic isotope variations are well documented for refractory elements in meteorites…
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…
Thermal and porosity properties of meteorites: A compilation of published data and new measurements
A.‐J. Soini, I. T. Kukkonen, T. Kohout, A. Luttinen Meteoritics & Planetary Science First Published: 22 January 2020 LINK “We report direct measurements of thermal diffusivity and conductivity at room temperature for 38 meteorite samples…
Heterogeneous accretion of Earth inferred from Mo-Ru isotope systematicsOPEN ACCESS
Timo Hopp, Gerrit Budde, Thorsten Kleine Earth and Planetary Science Letters (17 January 2020) PDF (OPEN ACCESS) LINK (OPEN ACCESS) “The Mo and Ru isotopic compositions of meteorites and the bulk silicate Earth (BSE) hold…
The partitioning of the inner and outer Solar System by a structured protoplanetary disk
R. Brasser & S. J. Mojzsis Nature Astronomy (2020) Published: 13 January 2020 LINK “Mass-independent isotopic anomalies define two cosmochemically distinct regions: the carbonaceous and non-carbonaceous meteorites, implying that the non-carbonaceous (terrestrial) and carbonaceous (Jovian)…
Radionuclide activities in recent chondrite falls determined by gamma‐ray spectrometry: Implications for terrestrial age estimates
Åke V. Rosén, Beda A. Hofmann, Moritz von Sivers, Marc Schumann Meteoritics & Planetary Science First Published: 19 December 2019 LINK “Radionuclide activities were measured in the low‐background gamma‐ray spectrometry facility GeMSE in eight meteorite…
The origin of unequilibrated EH chondrites – constraints from in-situ analysis of Si isotopes, major and trace elements in silicates and metal
Yogita Kadlag, Michael Tatzel, Daniel A. Frick, Harry Becker Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 16 September 2019 LINK “Various lines of evidence suggest that material isotopically similar to enstatite chondrites…
Rare Earth Element Partitioning Between Sulphides and Melt: Evidence for Yb2+ and Sm2+ in EH Chondrites
N.J. Ingrao, T. Hammouda, M. Boyet, M. Gaborieau, B.N. Moine, I. Vlastelic, M.A. Bouhifd, J.-L. Devidal, O. Mathon, D. Testemale, J.-L. Hazemann, O.Proux Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 11 September…
Bulk chondrite variability in mass independent magnesium isotope compositions – Implications for initial solar system 26Al/27Al and the timing of terrestrial accretion
Tu-Han Luu, Remco C. Hin, Christopher D. Coath, Tim Elliott Earth and Planetary Science Letters Volume 522, 15 September 2019, Pages 166-175 LINK “Highlights • Bulk chondrites Al–Mg isotope analyses define a canonical isochron. •…
Nucleosynthetic Sr–Nd Isotope Correlations in Chondrites: Evidence for Nebular Thermal Processing and Dust Transportation in the Early Solar System
Ryota Fukai, Tetsuya Yokoyama The Astrophysical Journal, Volume 879, Number 2 LINK “We conducted high-precision Sr and Nd isotopic measurements in bulk chondrites using a complete sample digestion technique. Our new data indicate that enstatite…
Petrogenesis of ungrouped enstatite meteorite Zakłodzie: Fabric, texture, and nanostructure analysis for identification of mechanisms responsible for chondrite–achondrite transition
Agata M. Krzesińska, Richard Wirth, Monika A. Kusiak Meteoritics & Planetary Science First Published: 29 April 2019 LINK “Zakłodzie is an enstatite meteorite of unknown petrogenesis. Chemically, it resembles enstatite chondrites, but displays an achondrite‐like…
Quantitative models for the elemental and isotopic fractionations in the non-carbonaceous chondrites
Conel M. O’D. Alexander Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 20 February 2019 LINK “Two models that for the first time attempt to quantitatively reproduce the bulk elemental and isotopic fractionations…
Quantitative models for the elemental and isotopic fractionations in chondrites: The carbonaceous chondrites
Conel M. O’D. Alexander Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 February 2019 LINK “A quantitative understanding of the elemental and isotopic fractionations recorded in the compositions of the chondritic meteorites…
Aqueous Alteration of Enstatite Chondrite Material in the Kaidun Meteorite
K. Higashi, T. Mikouchi, M. E. Zolensky 50th Lunar and Planetary Science Conference (2019), Abstract #2344 PDF abstract
Almahata Sitta Magnetic Susceptibility Database — Update of the Enstatite Chondritic Lithologies
V. H. Hoffmann, K. Wimmer, R. Hochleitner, M. Kaliwoda, M. Funaki, M. Torii, S. Decker 50th Lunar and Planetary Science Conference (2019), Abstract #2839 PDF abstract
On the principle building blocks of Mars and Earth
Christian Liebske, Amir Khan IcarusAvailable online 20 January 2019 LINK “Highlights • Stochastic mixing of chondrites and achondrites to reconcile isotopic signatures for Mars and Earth indicate highly non-unique solution spaces • Complementary geophysical and…
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…
Jupiter’s influence on the building blocks of Mars and EarthOPEN ACCESS
R. Brasser, N. Dauphas, S. J. Mojzsis Accepted for publication in GRL PDF (OPEN ACCESS) Radiometric dating indicates that Mars accreted in the first ~4 Myr of solar system formation, which coincides with the formation…
Nature of late accretion to Earth inferred from mass-dependent Ru isotopic compositions of chondrites and mantle peridotitesOPEN ACCESS
Timo Hopp, Thorsten Kleine Earth and Planetary Science Letters,Volume 494,15 July 2018,Pages 50-59 LINK (OPEN ACCESS) “Highlights • Uniform mass-dependent Ru isotopic compositions of chondrites. • Chondritic mass-dependent Ru isotopic composition of Earth’s mantle. •…
Raman spectroscopy of shocked enstatite‐rich meteorites
Zhang, B. , Shieh, S. R., Withers, A. C. and Bouvier, A. Meteorit Planet Sci. . doi:10.1111/maps.13106 LINK “We present Raman patterns of enstatite in different classes of enstatite‐rich chondrites and achondrites of various shock…
Reflectance spectra of synthetic Fe-free ortho- and clinoenstatites in the UV/VIS/IR and implications for remote sensing detection of Fe-free pyroxenes on planetary surfaces
Kathrin Markus, Lyuba Moroz, Gabriele Arnold, Daniela Henckel, Harald Hiesinger, Arno Rohrbach, Klemme Stephan Planetary and Space Science Available online 11 April 2018 LINK “Highlights • Even extremely Fe-poor pyroxenes show deep ultraviolet absorption bands….
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…
Discovery of a meteoritic ejecta layer containing unmelted impactor fragments at the base of Paleocene lavas, Isle of Skye, ScotlandOPEN ACCESS
Simon M. Drake; Andrew D. Beard; Adrian P. Jones; David J. Brown; A. Dominic Fortes; Ian L. Millar; Andrew Carter;Jergus Baca; Hilary Downes Geology (2017) DOI:https://doi.org/10.1130/G39452.1 Published: December 12, 2017 LINK (OPEN ACCESS) PDF (OPEN…
Bulk chemical compositions of Antarctic meteorites in the NIPR collection
M. Kimura, N. Imae, A. Yamaguchi, H. Haramura, H. Kojima Polar Science doi.org/10.1016/j.polar.2017.12.001 Available online 5 December 2017 LINK “Bulk chemical compositions of meteorites were traditionally analyzed by wet chemical analysis, and NIPR has data…
Halogens in chondritic meteorites and terrestrial accretion
Patricia L. Clay, Ray Burgess, Henner Busemann, Lorraine Ruzié-Hamilton, Bastian Joachim, James M. D. Day & Christopher J. Ballentine Nature 551, 614–618 (30 November 2017) doi:10.1038/nature24625 LINK “Volatile element delivery and retention played a fundamental…
The selenium isotopic variations in chondrites are mass-dependent; Implications for sulfide formation in the early solar system
J. Labidi, S. König, T. Kurzawa, A. Yierpan, R. Schoenberg Earth and Planetary Science Letters Volume 481, 1 January 2018, Pages 212–222 LINK “Highlights • Significant δ82/78Se variations are recorded in chondrites. • The Se…
Experiments on Condensation of Calcium Sulfide Grains To Demarcate Environments for the Formation of Enstatite Chondrites
Kaori Yokoyama, Yuki Kimura , and Chihiro Kaito ACS Earth Space Chem., Article ASAP DOI: 10.1021/acsearthspacechem.7b00076 LINK “To achieve a better understanding of material evolution in the early solar system, experiments have been performed to…
Variable Tl, Pb, and Cd concentrations and isotope compositions of enstatite and ordinary chondrites—Evidence for volatile element mobilization and decay of extinct 205PbOPEN ACCESS
Palk, C., Andreasen, R., Rehkämper, M., Stunt, A., Kreissig, K., Coles, B., Schönbächler, M. and Smith, C. Meteorit Planet Sci. doi:10.1111/maps.12989 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “New Tl, Pb, and Cd concentration and Tl,…
Chromium isotopic homogeneity between the Moon, the Earth, and enstatite chondritesOPEN ACCESS
Bérengère Mougel, Frédéric Moynier, Christa Göpel Earth and Planetary Science Letters Volume 481, 1 January 2018, Pages 1-8 LINK UPDATE (8 Dec 2017): PDF (OPEN ACCESS) “Highlights • The first Cr isotopic estimate (ε53ε53Cr and…
Tellurium stable isotope fractionation in chondritic meteorites and some terrestrial samples
Manuela A. Fehr, Samantha J. Hammond, Ian J. Parkinson Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 October 2017 LINK “New methodologies employing a 125Te-128Te double-spike were developed and applied to obtain…
The Effect of Jupiter’s Formation on the Distribution of Refractory Elements and Inclusions in MeteoritesOPEN ACCESS
Steven J. Desch, Anusha Kalyaan, Conel M. O’D. Alexander submitted to ApJ PDF (OPEN ACCESS) “We present a comprehensive evolutionary model of the Sun’s protoplanetary disk. The model predicts from first principles the gas densities…
Chemical variations within and between the clasts, and the matrix of the Abee enstatite chondrite suggest an impact-based differentiation mechanism
Michael D. Higgins, Pierre-Etienne M.C. Martin, Sciences Appliquées Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 6 October 2017 LINK “Abee is an enstatite chondrite breccia dominantly composed of kamacite, enstatite, silica, plagioclase,…
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….
Titanium Stable Isotopic Variations in Chondrites, Achondrites and Lunar Rocks
Nicolas D. Greber, Nicolas Dauphas, Igor S. Puchtel, Beda A. Hofmann, Nicholas T. Arndt Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 30 June 2017 LINK “Titanium isotopes are potential tracers of processes…
Rubidium isotopic composition of the Earth, meteorites, and the Moon: Evidence for the origin of volatile loss during planetary accretionOPEN ACCESS
Emily A. Pringle, Frédéric Moynier Earth and Planetary Science Letters, Volume 473, 1 September 2017, Pages 62-70 LINK “Highlights • We measured high-precision stable Rb isotope ratios in terrestrial samples, chondrites, HED meteorites, and lunar…
Petrology and Bulk Composition of the Oudiyat Sbaa Fluororichterite-Bearing EH5 Chondrite: A Witnessed Fall from Eastern Morocco
Irving A. J., Kuehner S. M., Gao Y., Chen Y., Lapen T. J., Pitt D. 80th Annual Meeting of the Meteoritical Society 2017 [#6383] abstract “We characterize a recent Moroccan enstatite chondrite fall and report…
Silicate–SiO reaction in a protoplanetary disk recorded by oxygen isotopes in chondrules
Ryoji Tanaka & Eizo Nakamura Nature Astronomy 1, Article number: 0137 (2017) doi:10.1038/s41550-017-0137 LINK “The formation of planetesimals and planetary embryos during the earliest stages of the solar protoplanetary disk largely determined the composition and…
Silver contents and Cu/Ag ratios in Martian meteorites and the implications for planetary differentiation
Zaicong Wang, Harry Becker Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 21 May 2017 LINK “Silver and Cu show very similar partitioning behavior in sulfide melt-silicate melt and metal-silicate systems at low…
Mixing and transport of dust in the early solar nebula as inferred from titanium isotope variations among chondrulesOPEN ACCESS
Simone Gerber, Christoph Burkhardt, Gerrit Budde, Knut Metzler, Thorsten Kleine accepted for publication in the Astrophysical Journal Letters, May 10, 2017 PDF (OPEN ACCESS) Update (22 May 2017): LINK “Chondrules formed by the melting of…
New insights on petrography and geochemistry of impactites from the Lonar crater, India.
Ray, D., Upadhyay, D., Misra, S., Newsom, H. E. and Ghosh, S. Meteoritics & Planetary Science. doi: 10.1111/maps.12881 LINK “The Lonar impact crater, India, is one of the few known terrestrial impact craters excavated in…
Testing the chondrule-rich accretion model for planetary embryos using calcium isotopesOPEN ACCESS
Elsa Amsellem, Frédéric Moynier, Emily A. Pringle, Audrey Bouvier, Heng Chen, James M. D. Day PhD Student Conference (PhDSC), l’Institut de Physique du Globe de Paris (IPGP), 13-17 March 2017 PDF (OPEN ACCESS) Update (28…
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…
The isotopic nature of the Earth’s accreting material through time
Nicolas Dauphas Nature 541, 521–524 (25 January 2017) doi:10.1038/nature20830 Published online: 25 January 2017 LINK “The Earth formed by accretion of Moon- to Mars-size embryos coming from various heliocentric distances. The isotopic nature of these…
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…
The global elemental composition of 433 Eros: First results from the NEAR Gamma-Ray Spectrometer orbital dataset
Patrick N. Peplowski Planetary and Space Science In Press, Accepted Manuscript http://dx.doi.org/10.1016/j.pss.2016.10.006 LINK “Highlights • First results from the NEAR GRS orbital investigation • Eros’ surface composition is consistent with ordinary chondrites, enstatite chondrites, and…
Calcium Isotopic Compositions of Chondrites
Shichun Huang, Stein B. Jacobsen Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 October 2016 http://dx.doi.org/10.1016/j.gca.2016.09.039 LINK “We report mass-dependent and mass-independent Ca isotopic variations in nine chondrites from three groups: carbonaceous,…
Molybdenum isotopic evidence for the origin of chondrules and a distinct genetic heritage of carbonaceous and non-carbonaceous meteoritesOPEN ACCESS
Gerrit Budde, Christoph Burkhardt, Gregory A. Brennecka, Mario Fischer-Gödde, Thomas S. Kruijer, Thorsten Kleine Earth and Planetary Science Letters In Press, Corrected Proof, Available online 3 October 2016 PDF (OPEN ACCESS) LINK (OPEN ACCESS) “Nucleosynthetic…
Magmatic sulfides in the porphyritic chondrules of EH enstatite chondritesOPEN ACCESS
Laurette Piani, Yves Marrocchi, Guy Libourel, Laurent Tissandier PDF (open access) Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 22 September 2016 LINK “The nature and distribution of sulfides within 17 porphyritic chondrules…
Primitive Solar System materials and Earth share a common initial 142Nd abundance
A. Bouvier & M. Boyet Nature 537, 399–402 (15 September 2016) doi:10.1038/nature19351 LINK “The early evolution of planetesimals and planets can be constrained using variations in the abundance of neodymium-142 (142Nd), which arise from the…
A nucleosynthetic origin for the Earth’s anomalous 142Nd composition
C. Burkhardt, L. E. Borg, G. A. Brennecka, Q. R. Shollenberger, N. Dauphas, T. Kleine Nature 537, 394–398 (14 September 2016) | doi:10.1038/nature18956 LINK “A long-standing paradigm assumes that the chemical and isotopic compositions of…
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 isotope composition of selenium in chondrites constrains the depletion mechanism of volatile elements in solar system materials
Hauke Vollstaedt, Klaus Mezger, Ingo Leya Earth and Planetary Science Letters, Volume 450, 15 September 2016, Pages 372-380 Available online 15 July 2016 LINK “Highlights • The Se isotope composition of CC, OC, and EC…
The First Discovery of Presolar Graphite Grains from the Highly Reducing Qingzhen (EH3) Meteorite
Yuchen Xu, Yangting Lin, Jianchao Zhang, and Jialong Hao The Astrophysical Journal, Volume 825, Number 2 Published 2016 July 7 LINK “Presolar graphite grains have been extensively studied, but are limited in carbonaceous chondrites, particularly…
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
Diversity Among EH Chondrites: Anomalous EH3 Chondrite Northwest Africa 8789 and Rare EH Melt Rocks Northwest Africa 7324 and Northwest Africa 10237
Kuehner S. M. Irving A. J. Sipiera P. P. 79th Annual Meeting of the Meteoritical Society (2016) #6448 LINK
Mn-Cr Dating of Enstatite Chondrites
Hopp J. * Trieloff M. Storck J.-C. Ludwig T. Meyer H. P. Altherr R. El Goresy A. 79th Annual Meeting of the Meteoritical Society (2016) #6258 LINK
Almahata Sitta News: Well-Known Varieties and New Species in the Zoo
Bischoff A. Ebert S. Patzek M. Horstmann M. Pack A. Decker S. 79th Annual Meeting of the Meteoritical Society (2016) #6319 LINK
Joegoldsteinite: A new sulfide mineral (MnCr2S4) from the Social Circle IVA iron meteorite
Junko Isa, Chi Ma, Alan E. Rubin American Mineralogist 10.2138/am-2016-5594 First Published on May 02, 2016 LINK “Joegoldsteinite, a new sulfide mineral of end-member formula MnCr2S4, was discovered in the Social Circle IVA iron meteorite….
A Comparative Study of the Zaklodzie and Northwest Africa 4301 Anomalous Enstatite Achondrites
D. D. Uribe, P. J. A. McCausland, M. R. M. Izawa 47th Lunar and Planetary Science Conference (2016), Abstract #3071 PDF
2D condensation model for the inner Solar Nebula: an enstatite-rich environment
Francesco C. Pignatale, Kurt Liffman, Sarah T. Maddison, Geoffrey Brooks Accepted in MNRAS on 2015 December 23. Received 2015 December 16; in original form 2015 May 04 Published online on 7 Jan 2016 PDF (open…
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…
The origin of the neon isotopes in chondrites and on Earth
Manuel Moreira, Sébastien Charnoz Earth and Planetary Science Letters In Press, Corrected Proof, Available online 16 November 2015 doi:10.1016/j.epsl.2015.11.002 LINK “We discuss the origin of the neon isotopic signatures in chondrites and in the terrestrial…
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…
Cosmochemical fractionation by collisional erosion during the Earth’s accretion
Asmaa Boujibar, Denis Andrault, Nathalie Bolfan-Casanova, Mohamed Ali Bouhifd & Julien Monteux Nature Communications 6, Article number: 8295 doi:10.1038/ncomms9295 Published 23 September 2015 LINK (open access) Supplementary information (PDF) “Early in the Solar System’s history,…
The formation conditions of enstatite chondrites: Insights from trace element geochemistry of olivine-bearing chondrules in Sahara 97096 (EH3)
Jacquet, E., Alard, O. and Gounelle, M. Meteoritics & Planetary Science. doi: 10.1111/maps.12481 LINK Update (Jun 2,2016): PDF
Petrology and geochemistry of chondrules and metal in nwa 5492 and gro 95551: a new type of metal-rich chondrite
Michael K. Weisberg, Denton S. Ebel, Daisuke Nakashima, Noriko T. Kita, Munir Humayun Geochimica et Cosmochimica Acta available online 22 July 2015 LINK
Nonporphyritic chondrules and chondrule fragments in enstatite chondrites: Insights into their origin and secondary processing
Varela, M. E., Sylvester, P., Brandstätter, F. and Engler, A. Meteoritics & Planetary Science. doi: 10.1111/maps.12468 LINK
Chips Off the Old Block: Enstatite Chondrites as Samples of the Proto-Earth
Gaidos E. * Yin Q.-Z. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5145 abstract (PDF)
Fractionation of Highly Siderophile and Chalcogen Elements in Components of EH3 Chondrites
Yogita Kadlag, Harry Becker Geochimica et Cosmochimica Acta In press, available online 18 April 2015 doi:10.1016/j.gca.2015.04.022 LINK
Thulium anomalies and rare earth element patterns in meteorites and Earth: Nebular fractionation and the nugget effect
N. Dauphas, A. Pourmand Geochimica et Cosmochimica Acta in press, arXiv:1503.08708 PDF (full text) LINK Update (11 April): doi:10.1016/j.gca.2015.03.037 LINK
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
EH3 matrix mineralogy with major and trace element composition compared to chondrules
S. W. Lehner, W. F. McDonough and P. Németh Meteoritics & Planetary Science, Article first published online: 18 NOV 2014 | DOI: 10.1111/maps.12391 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…
The Unique Differentiated Meteorite NWA 7325: Highly Reduced, Stark Affinities to E-Chondrites and Unknown Parental Planet
A. El Goresy, T. Nakamura, M. Miyahara, E. Ohtani, Ph. Gillet, K. Jogo, M. Yamanobe and H. Ishida PDF LINK
The nature of Earth’s building blocks as revealed by calcium isotopes
Valdes MC, Moreira M, Foriel J and Moynier F. Earth and Planetary Science Letters Volume 394, 15 May 2014, Pages 135–145 LINK
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
Petrogenesis of anomalous Queen Alexandra Range enstatite meteorites and their relation to enstatite chondrites, primitive enstatite achondrites, and aubrites
van Niekerk D, Keil K and Humayun M Meteoritics & Planetary Science, 49: 295–312. doi: 10.1111/maps.12248
The fate of magmas in planetesimals and the retention of primitive chondritic crusts
Fua RR and Elkins-Tanton LT (2014) Earth and Planetary Science Letters Volume 390, 15 March 2014, Pages 128–137 LINK High abundances of short-lived radiogenic isotopes in the early solar system led to interior melting and…
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
Structure, composition, and location of organic matter in the enstatite chondrite Sahara 97096 (EH3)
Laurette Piani, FrançOis Robert, Olivier Beyssac, Laurent Binet, Michèle Bourot-Denise, Sylvie Derenne, Corentin Le Guillou, Yves Marrocchi, Smail Mostefaoui, Jean-Noel Rouzaud, Aurelien Thomen Meteoritics and Planetary Science 47 Issue 1 pages 8-29 January 2012 PDF…
