Meteoritic Fe-Ni alloys: A review of 57 Fe Mössbauer spectroscopy studies
Rosa B. Scorzelli, Edivaldo dos Santos Geochemistry In Press, Journal Pre-proof, Available online 31 October 2019 LINK “Discovered by Rudolph L. Mössbauer in 1957, the Mössbauer effect (i.e. gamma-resonance spectroscopy) is the phenomenon of the…
A carbonaceous chondrite and cometary origin for icy moons of Jupiter and Saturn
Adrien Néri, François Guyot, Bruno Reynard, Christophe Sotin Earth and Planetary Science Letters In Press, Corrected Proof, Available online 30 October 2019 LINK “Highlights • Mineralogy and equation of state (EoS) are calculated for CI…
The Widmanstätten pattern
Jeremy B. Tatum Meteoritics & Planetary Science LINK “A table is provided to determine the angles within the Widmanstätten pattern as a function of orientation of the slice, and methods are provided to solve the…
New lunar meteorite NWA 10986: A mingled impact melt breccia from the highlands—A complete cross section of the lunar crust
S. E. Roberts, M. C. McCanta, M. M. Jean, L. A. Taylor Meteoritics & Planetary Science LINK “Northwest Africa (NWA) 10986 is a new mingled lunar meteorite found in 2015 in Western Sahara. This impact…
Interactions between asteroid fragments during atmospheric entryOPEN ACCESS
P.J. Register, M.J. Aftosmis, E.C. Stern, J.M. Brock, P.M. Seltner, S. Willems, A. Guelhan, D.L. Mathias P.M. Seltner, S. Willems, A. Guelhan Icarus In Press, Journal Pre-proof, Available online 24 October 2019 LINK (OPEN ACCESS)…
Space weathering by simulated micrometeorite bombardment on natural olivine and pyroxene: A coordinated IR and TEM study
Iris Weber, Aleksandra N. Stojic, Andreas Morlok, Maximilian P. Reitze, Kathrin Markus, Harald Hiesinger, Sergey G. Pavlov, Richard Wirth, Anja Schreiber, Martin Sohn, Heinz-Wilhelm Hübers, Jörn Helbert Earth and Planetary Science Letters In Press, Corrected…
Iron isotopic composition of very low-titanium basalt deduced from the iron isotopic signature in Luna 16, 20, and 24 soils
Satoki Okabayashi, Tetsuya Yokoyama, Takafumi Hirata, Kazuo Terakado, Erik M.Galimov Geochimica et Cosmochimica Acta, Available online 23 October 2019 LINK “Isotopic analysis of Fe has proved to be a productive tool for the study of…
Accretion of differentiated achondritic and aqueously altered chondritic materials in the early solar system—Significance of an igneous fragment in the CM chondrite NWA 12651
Samuel Ebert, Markus Patzek, Sarah Lentfort, Addi Bischoff Meteoritics & Planetary Science First Published: 23 October 2019 LINK “One approach to decipher the dynamics of material transport and planetary accretion in the early solar system…
A Unified Model for Hydrogen in the Earth and Moon: No one expects the Theia ContributionOPEN ACCESS
Steven J. Desch, Katharine L. Robinson Geochemistry In Press, Corrected Proof , Available online 22 October 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The Moon is thought to have formed after a planetary embryo, known…
Space weathering induced formation of hydrogen sulfide (H2S) and hydrogen disulfide (H2S2) in the Murchison meteorite
Cheng Zhu, Sándor Góbi, Matthew J. Abplanalp, Robert Frigge, Jeffrey J. Gillis‐Davis, Ralf I. Kaiser JGR Planets First published: 21 October 2019 LINK “Theoretical calculations and experimental simulations indicate that the surprisingly low sulfur abundance…
Molecular Cloud Origin for Oxygen Isotopic Heterogeneity Recorded by a Primordial Spinel-rich Refractory Inclusion
Justin I. Simon, D. Kent Ross, Ann N. Nguyen, Steven B. Simon, and Scott Messenger The Astrophysical Journal Letters, Volume 884, Number 2 LINK “A spinel-rich, layered calcium- aluminum-rich spherule from the MIL 090019 CO3…
Formation of Interstellar C60 from Silicon Carbide Circumstellar Grains
J. J. Bernal, P. Haenecour, J. Howe, T. J. Zega, S. Amari, and L. M. Ziurys The Astrophysical Journal Letters, Volume 883, Number 2 LINK “We have conducted laboratory experiments with analog crystalline silicon carbide…
Roaldite in the iron-meteorite São Julião de Moreira
Gert Nolze, Klaus Heide Geochemistry In Press, Corrected Proof, Available online 18 October 2019 LINK “Roaldite – Fe4N – has been identified in the São Julião de Moreira iron meteorite using electron backscatter diffraction (EBSD)…
MgAl2O4 spinels from Allende and NWA 763 carbonaceous chondrites: Structural refinement, cooling history, and trace element contents
Davide Lenaz, Vanni Lughi, Diego Perugini, Maurizio Petrelli, Gianluca Turco, Birger Schmitz Meteoritics & Planetary Science First Published: 18 October 2019 LINK “MgAl2O4 spinels from Allende and NWA 763 carbonaceous chondrites were studied by X‐ray…
The first samples from Almahata Sitta showing contacts between ureilitic and chondritic lithologies: Implications for the structure and composition of asteroid 2008 TC3
Cyrena Anne Goodrich, Michael E. Zolensky, Anna Maria Fioretti, Muawia H. Shaddad, Hilary Downes, Takahiro Hiroi, Issaku Kohl, Edward D. Young, Noriko T. Kita, Victoria E. Hamilton, My E. I. Riebe, Henner Busemann, Robert J….
The Late Ordovician (Sandbian) Glasford structure: A marine‐target impact crater with a possible connection to the Ordovician meteorite event
Charles C. Monson, Dustin Sweet, Branimir Segvic, Giovanni Zanoni, Kyle Balling, Jacalyn M. Wittmer, G. Robert Ganis, Guo Cheng Meteoritics & Planetary Science First Published: 15 October 2019 LINK “The Glasford structure in Illinois (USA)…
An experimental assessment of the potential of sulfide saturation of the source regions of eucrites and angrites: implications for asteroidal models of core formation, late accretion and volatile element depletions
E.S. Steenstra, J. Berndt, S. Klemme, A. Rohrbach, E.S.Bullock, W. van Westrenen Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 15 October 2019 LINK “The geochemistry of asteroidal magmas provides fundamental clues to…
Shock‐thermal history of the Agoudal (IIAB) iron meteorite from microstructural studies
D. Ray, S. Ghosh, H. Chennaoui Aoudjehane, S. Das Meteoritics & Planetary Science First Published: 14 October 2019 LINK “The Agoudal IIAB iron meteorite exhibits only kamacite grains (~6 mm across) without any taenite. The…
Fingerprints of the Protosolar Cloud Collapse in the Solar System. I. Distribution of Presolar Short-lived 26Al
Francesco C. Pignatale, Emmanuel Jacquet, Marc Chaussidon, and Sébastien Charnoz The Astrophysical Journal, Volume 884, Number 1 LINK “The short-lived radionuclide 26Al is widely used to determine the relative ages of chondrite components and timescales…
Fingerprints of the Protosolar Cloud Collapse in the Solar System. II. Nucleosynthetic Anomalies in MeteoritesOPEN ACCESS
Emmanuel Jacquet, Francesco C. Pignatale, Marc Chaussidon, and Sébastien Charnoz The Astrophysical Journal, Volume 884, Number 1 PDF (OPEN ACCESS) LINK “The isotopic heterogeneity of the solar system shown by meteorite analyses is more pronounced…
Isotopic compositions, nitrogen functional chemistry, and low‐loss electron spectroscopy of complex organic aggregates at the nanometer scale in the carbonaceous chondrite RenazzoOPEN ACCESS
Christian Vollmer, Jan Leitner, Demie Kepaptsoglou, Quentin M. Ramasse, Henner Busemann, Peter Hoppe Meteoritics & Planetary Science First published: 10 October 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Organic matter (OM) was widespread in the…
Dy, Er, and Yb isotope compositions of meteorites and their components: Constraints on presolar carriers of the rare earth elementsOPEN ACCESS
Quinn R. Shollenberger, Gregory A. Brennecka Earth and Planetary Science Letters Volume 529, 1 January 2020, 115866 LINK (OPEN ACCESS) “Highlights • We present new methods to measure Dy isotopes by MC-ICPMS. • Bulk meteorites…
Evidence for anorthositic crust formed on an inner solar system planetesimalOPEN ACCESS
P. Frossard, M. Boyet, A. Bouvier, T. Hammouda, J. Monteux Geochemical Perspectives Letters v11 doi: 10.7185/geochemlet.1921 Published 7 October 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “During the first million years of solar system history,…
Regenerative water sources on surfaces of airless bodies
Cheng Zhu, Sándor Góbi, Matthew J. Abplanalp, Robert Frigge, Jeffrey J. Gillis-Davis, Gerardo Dominguez, Katarina Miljković & Ralf I. Kaiser Nature Astronomy (2019) Published: 07 October 2019 LINK “Spectroscopic signatures of water and hydroxyl radicals…
Meteorites: International law and regulations
Max Gounelle, Matthieu Gounelle Meteoritics & Planetary Science, First Published: 6 October 2019 LINK “Although meteorites are now considered as scientific objects, they still bear a strong and powerful symbolic meaning due to their extraterrestrial…
Chenmingite, FeCr2O4 in the CaFe2O4-type structure, a shock-induced, high-pressure mineral in the Tissint martian meteorite
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…
Terrestrial modification of the Ivuna meteorite and a reassessment of the chemical composition of the CI type specimenOPEN ACCESS
A. J. King, K. J. H. Phillips, S. Strekopytov, C. Vita-Finzi, S. S. Russell Geochimica et Cosmochimica Acta PDF (OPEN ACCESS) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The rare CI carbonaceous chondrites are the most…