Iron Isotope Compositions of Achondritic Meteorites
Ray S. * Rai V. K. Hines R. Romaniello S. Wadhwa M. 80th Annual Meeting of the Meteoritical Society 2017 [#6400] abstract (PDF) “Here, we report the iron isotope compositions of three ungrouped achondrites, North…
Northwest Africa 10463: A New Angrite Meteorite
Santos A. R. * Agee C. B. Bell A. S. Shearer C. K. 80th Annual Meeting of the Meteoritical Society 2017 [#6313] abstract (PDF) “NWA 10463 is a new angrite meteorite with several interesting textural…
Petrology, Mineralogy and In Situ U-Pb Dating of Northwest Africa 11042
Wu Y. * Hsu W. 80th Annual Meeting of the Meteoritical Society 2017 [#6190] abstract (PDF) “NWA 11042 was classified as a unique achondrite. Its mineralogy and petrology resemble those of martian meteorites, but the…
A METEORITE FRAGMENT TRAPPED BETWEEN POSITIVE AND NEGATIVE SHATTER CONES IN A LIMESTONE BLOCK STORED AT THE METEORKRATER-MUSEUM STEINHEIM, GERMANY
E. Buchner, M. Hölzel, M. Schmieder, M. Rasser, J. Fietzke, M. Frische, S. Kutterolf 80th Annual Meeting of the Meteoritical Society 2017 abstract “A metallic fragment on a shatter cone surface of a shattered limestone…
Primitive Achondrite Northwest Africa 11042: Melting of the L Chondrite Parent Body
Vaci Z. * Agee C. B. Ziegler K. Polyak V. J. Humayun M. 80th Annual Meeting of the Meteoritical Society 2017 [#6161] abstract (PDF) “NWA 11042 is an igneous primitive achondrite whose oxygen isotopes plot…
Insights into CAI Formation from Nickel Isotopic Signatures
Render J. * Brennecka G. A. Wang S. J. Wasylenki L. E. Kleine T. 80th Annual Meeting of the Meteoritical Society 2017 [#6327] abstract (PDF) “Refractory inclusions show isotopic variability in nickel, suggestive of a…
Andesitic-Dacitic Achondrite Northwest Africa 11119: Evidence for Extraterrestrial Silica-Rich Magmatism
Srinivasan P. * Agee C. B. McCubbin F. M. Ziegler K. 80th Annual Meeting of the Meteoritical Society 2017 [#6129] abstract (PDF) “Petrologic and isotopic results for ungrouped achondrite Northwest Africa 11119 shows a possible…
Calcium and Titanium Isotope Systematics in Refractory Inclusions from CM, CO, and CR Chondrites
Kööp L. * Davis A. M. Krot A. N. Nagashima K. Simon S. B. 80th Annual Meeting of the Meteoritical Society 2017 [#6280] abstract (PDF) “We studied a large number of CAIs from three different…
Reactions Along the Boundaries Between Plagioclase and Diopside of Ungrouped Achondrite Northwest Africa 7325
Yang J. * Lin Y. T. 80th Annual Meeting of the Meteoritical Society 2017 [#6240] abstract (PDF) “In order to clarify the late-stage processes after the crystallization of NWA 7325, we analysed chemical compositions and…
Correlations Among MicroStructure, Morphology, Chemistry, and Isotopic Systematics of Hibonite in CM Chondrites
Han J. * Liu M.-C. Kööp L. Keller L. P. Davis A. M. 80th Annual Meeting of the Meteoritical Society 2017 [#6380] abstract (PDF) ” We present TEM observations of CM hibonites to examine possible…
The Distinct Genetics of Carbonaceous and Non-Carbonaceous Meteorites Inferred from Molybdenum Isotopes
Budde G. * Burkhardt C. Kleine T. 80th Annual Meeting of the Meteoritical Society 2017 [#6271] abstract (PDF) “Mo isotope systematics manifest a fundamental dichotomy in the genetic heritage of carbonaceous and non-carbonaceous meteorites. We…
A Case for Nebula Scale Mixing Between Non-Carbonaceous and Carbonaceous Chondrite Reservoirs: Testing the Grand Tack Model with Chromium Isotopic Composition of Almahata Sitta Stone 91A
Sanborn M. E. * Yin Q.-Z. Goodrich C. A. Zolensky M. Fioretti A. M. 80th Annual Meeting of the Meteoritical Society 2017 [#6277] abstract (PDF) “We present new Cr isotopic composition results for Almahata Sitta…
A Breccia of Ureilitic and C2 Carbonaceous Chondrite Materials from Almahata Sitta: Implications for the Regolith of Ureilitic Asteroids
Goodrich C. A. * Fioretti A. M. Zolensky M. Fries M. Shaddad M. Kohl I. Young E. Jenniskens P. 80th Annual Meeting of the Meteoritical Society 2017 [#6214] abstract (PDF) “We report the first sample…
Oxygen, Magnesium, and Aluminum Isotopes in the Ivuna CAI: Re-Examining High-Temperature Fractionations in CI Chondrites
Frank D. R. * Huss G. R. Nagashima K. Zolensky M. E. Le L. 80th Annual Meeting of the Meteoritical Society 2017 [#6355] abstract (PDF) “The only whole CAI preserved in the aqueously altered CI…
Oxygen Isotope Ratios of Magnetite in CI-Like Clasts from a Polymict Ureilite
Kita N. T. * Defouilloy C. Goodrich C. A. Zolensky M. E. 80th Annual Meeting of the Meteoritical Society 2017 [#6153] abstract (PDF) “Magnetites in CI-like dark clasts in polymict ureilite show significant depletion in…
Pb-Pb and Rb-Sr Dates for Zagami and Northwest Africa 7034 Using CODEX
Anderson F. S. * Levine J. Whitaker T. J. 80th Annual Meeting of the Meteoritical Society 2017 [#6249] abstract (PDF) “We have produced new Pb-Pb dates of Zagami using CODEX, illustrating how in-situ dating can…
Shergottite lead Isotope Signature in Chassigny and the Nakhlites
Jones J. H. Simon J. I. * 80th Annual Meeting of the Meteoritical Society 2017 [#6331] abstract (PDF) “A model based on recent Pb isotopic analyses is presented that indicates interaction between shergottite and nakhlite/chassignite…
Ureilites Provide a New Model for Planetesimal Formation
Rai N. Downes H. * 80th Annual Meeting of the Meteoritical Society 2017 [#6067] abstract (PDF) “Modelling shows that ureilite parent planetesimal formed from a mixture of Mg- and Fe-rich chondrules with a primary layered…
Distinct Chlorine Isotope Reservoirs on Mars. Origins and Interactions
Shearer C. K. * Messenger S. Sharp Z. D. Burger P. V. Nguyen N. McCubbin F. M. 80th Annual Meeting of the Meteoritical Society 2017 [#6364] abstract (PDF) “Chlorine isotopes measured in Chassigny provide evidence…
Petrological and Petrofabric Study of Roberts Massif 04239 Compared to Tafassasset and Brachinites
Hasegawa H. * Mikouchi T. Yamaguchi A. 80th Annual Meeting of the Meteoritical Society 2017 [#6169] abstract (PDF) “The petrology and petrofabrics of Roberts Massif 04239 suggests that it has experienced differentiation processes similar to…
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…
Accretion and Disruption Histories of the Ordinary Chondrite Parent Bodies
Edwards G. H. * Blackburn T. Alexander C. M. O’D. 80th Annual Meeting of the Meteoritical Society 2017 [#6367] abstract (PDF) “Discrepant Pb-Pb phosphate ages and Ni-metal metallographic cooling rates for ordinary chondrites may be…
Measurements of Silica Excess in Plagioclase in Chondrules from Primitive Carbonaceous Chondrites: Implications for 26Al-26Mg Systematics
Chaumard N. * Hertwig A. T. Kita N. T. Tenner T. J. Kimura M. 80th Annual Meeting of the Meteoritical Society 2017 [#6309] abstract (PDF) “Chondrules in 3.05–3.1 CCs contain plagioclases that retained silica excess,…
Was 26Al Heterogeneously Distributed in the Early Solar System?
Yin Q.-Z. * Sanborn M. E. Huyskens M. Amelin Y. 80th Annual Meeting of the Meteoritical Society 2017 [#6259] abstract (PDF) “In this talk, we will examine critically the issue of homogeneity versus heterogeneity of…
Nanoscale Imaging Analysis of Organic-Mineral Association in the Murchison Meteorite by NanoIR
Kebukawa Y. * Kobayashi H. Baden N. Urayama N. Kobayashi K. 80th Annual Meeting of the Meteoritical Society 2017 [#6093] abstract (PDF) “We demonstrate infrared imaging analysis of a carbonaceous chondrite with less than 100…
The Rise and Fall of Iron-60
Boehnke P. McKeegan K. D. * Stephan T. Steele R. C. J. Trappitsch R. Davis A. M. Pellin M. J. Liu M.-C. 80th Annual Meeting of the Meteoritical Society 2017 [#6243] abstract (PDF) “RIMS analyses…
Electron Energy-Loss Spectroscopy of Deuterium-Rich Organic Matter in the CM Chondrite Queen Alexandra Range 97990
Haenecour P. * Zega T. J. Bose M. Howe J. Y. 80th Annual Meeting of the Meteoritical Society 2017 [#6138] abstract (PDF) “We report electron energy-loss spectroscopy measurements of a D-rich hotspot identified in the…
The Life and Death of Iron-60
Trappitsch R. * Boehnke P. Stephan T. Telus M. Savina M. R. Pardo O. Davis A. M. Dauphas N. Huss G. R. 80th Annual Meeting of the Meteoritical Society 2017 [#6299] abstract (PDF) “We measured…
Correlated Deuterium and Nitrogen Isotopic Enrichments in Meteoritic Organic Matter
Bose M. * Zega T. J. Haenecour P. Domanik K. 80th Annual Meeting of the Meteoritical Society 2017 [#6033] abstract (PDF) “Two hotspots with correlated N and H isotopic anomalies, as well as two C-rich…
Comparative Microanalytical Study of Solid Organic Material in the CR2 Grove Mountain 021710 and the Ungrouped Carbonaceous Chondrite Ningqiang
Changela H. G. * Zhao X. Miao B. Xia Z. Lin Y. 80th Annual Meeting of the Meteoritical Society 2017 [#6212] abstract (PDF) “Organic material has been characterized in situ using traditional polished thin sections…
Experimental Shock DeComposition of Siderite and the Origin of Magnetite in Martian Meteorite Allan Hills 84001
Bell M. S. * 80th Annual Meeting of the Meteoritical Society 2017 [#6261] abstract (PDF) “ALH 84001 martian meteorite was collected by an ANSMET team in 1984 and in 1996 researchers reported that it contained…
A Hypothesis to Explain the Presence of Amino Acids in the Tagish Lake Meteorite
Bassez M. P. * 80th Annual Meeting of the Meteoritical Society 2017 [#6035] abstract (PDF) “The Tagish Lake meteorite contains organic matter abiotically synthesized. An explanation is proposed on the basis of thermodynamic calculations and…
Formation Mechanism of Iron-Rich Olivine: Experimental Constrains into Early Fluid-Assisted Hydration and Dehydration Processes on Asteroids
Dobricǎ E. * Nuth J. A. Brearley A. J. 80th Annual Meeting of the Meteoritical Society 2017 [#6342] abstract (PDF) “We performed three new experiments in an attempt to synthesize FeO-rich olivine. This study shows…
Cosmogenic Nuclides in Antarctic Meteorites: Opportunities and Directions
Caffee M. W. * Herzog G. F. Jull A. J. T. Nishiizumi K. Welten K. C. 80th Annual Meeting of the Meteoritical Society 2017 [#6150] abstract (PDF) “Cosmogenic nuclide studies of Antarctic meteorites have allowed…
A New Method for Modal Abundance, Chemistry and Density Determination of Fine Grained Matrices of Primitive Chondrites
Zanetta P-M. * Leroux H. Le Guillou C. Zanda B. Hewins R. H. Lewin E. Pont S. 80th Annual Meeting of the Meteoritical Society 2017 [#6274] abstract (PDF) “Analyses of primitive chondrite matrices are not…
Fall and Recovery of the Dingle Dell Meteorite
Devillepoix H. A. R. Bland P. A. Towner M. C. Sansom E. K. Howie R. M. Cupak M. Benedix G. K. Jansen-Sturgeon T. Hartig B. A. D. Cox M. A. Paxman J. P. 80th Annual…
Chondrule Oxygen Isotope Systematics in Unequilibrated Ordinary Chondrites: Insights into Their Nebular Reservoir
Baeza L. Ireland T. R. Ávila J. N. Mallmann G. 80th Annual Meeting of the Meteoritical Society 2017 [#6166] abstract (PDF) “Ordinary chondrites (OCs) have distinct bulk O-isotope composition. The range of chondrule O-isotope composition…
Olivine Extracted from the Jbilet Winselwan CM2 Chondrite — A Reference for the Regolith of C-Group Asteroids?
Harries D. * Wild P. 80th Annual Meeting of the Meteoritical Society 2017 [#6198] abstract (PDF) “We have investigated olivine grains of an unbrecciated specimen of Jbilet Winselwan (CM2) for surface morphology and particle tracks….
Constraints from Isotopic Dichotomy of Meteorites and from a Trans-Jovian Origin for Carbonaceous Chondrites on the Origin of Chondritic Components
Scott E. R. D. * Krot A. N. Sanders I. S. 80th Annual Meeting of the Meteoritical Society 2017 [#6395] abstract (PDF) “Formation of carbonaceous chondrites beyond Jupiter helps explain CAI abundances in chondrites, differences…
Chondrule Olivine Provenance in Carbonaceous Chondrites: Chemical and Oxygen Isotope Systematics
Bonning G. P. Ireland T. R. Ávila J. N. Mallmann G. 80th Annual Meeting of the Meteoritical Society 2017 [#6151] abstract (PDF) “Bulk chondrites have specific and distinct bulk O-isotopic compositions, yet they appear to…
Effects of Space Weathering on Reflectance Spectra of Ureilites: A Proof-of-Concept Study
Goodrich C. A. Gillis-Davis J. Cloutis E. Applin D. Hibbits C. Klima R. Christoffersen R. Fries M. Decker S. 80th Annual Meeting of the Meteoritical Society 2017 [#6224] abstract “Space weathering and spectral studies of…
Cosmic-Ray Exposure Ages of Brachinites
Beard S. P. Swindle T. D. 80th Annual Meeting of the Meteoritical Society 2017 [#6388] abstract “Argon exposure ages have been measured for NWA 6077, NWA 595, NWA 7297, NWA 1500, NWA 4518, and RaS…
Dingle Dell Density and Other Physical Properties
Macke R. J. Benedix G. K. Bland P. A. Desert Fireball Network Team 80th Annual Meeting of the Meteoritical Society 2017 [#6197] abstract “We measure density, porosity, and magnetic susceptibility of the Dingle Dell meteorite…
Oxygen Isotopic Compositions of Fayalite in the CV Chondrite Kaba
Marrocchi Y. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6179] “The oxygen isotopic compositions of fayalite grains in the CV3 carbonaceous chondrites Kaba bring information on the origin of water accreted by…
Microanalytical Investigation of Fine-Grained Matrix Material in Elephant Moraine 92042: Effects of Parent Body Processing on Primitive Components
Koch I. Floss C. * 80th Annual Meeting of the Meteoritical Society 2017 [#6013] abstract (PDF) “Aqueous alteration has affected presolar silicate abundances in the CR chondrite EET 92042 and has resulted in elemental changes…
A Speculative “Fiefdom” Model for Chondrite Origins
Melosh H. J. * Bland P. A. Collins G. S. Johnson B. C. 80th Annual Meeting of the Meteoritical Society 2017 [#6239] abstract (PDF) “Distinct chondrite classes, complementarity of chondrules and matrix, and chondrule ages…
In Situ Thermal Imagery of Antarctic Meteorites and Their Stability on the Ice Surface
Harvey R. P. Righter M. Karner J. M. Hynek B. Keller L. Meshik A. Mittlefehldt D. W. Radebaugh J. Rougeux B. Schutt J. W. 80th Annual Meeting of the Meteoritical Society 2017 [#6113] abstract (PDF)
Chondrule-Cored Aggregates in CV Chondrites: Origin by Chondrule Formation Followed by Olivine Condensation
Fagan T. J. Yasuda T. Nagashima K. Krot A. N. 80th Annual Meeting of the Meteoritical Society 2017 [#6202] abstract “Chondrule-cored aggregates (ChCAs) are a new component of CV chondrites, in which early-stage pyroxene crystallized…
Water-Bearing, Volatile-Rich Clasts in Howardites and Polymict Ureilites — Carriers of Deuterium-Enriched Waters not Sampled by Individual Meteorites
Patzek M. * Hoppe P. Bischoff A. Visser R. John T. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6183] “D/H ratios of volatile-rich clasts from howardites and polymict ureilites are distinct from…
Solar-Radiation Heating as a Possible Heat Source for Dehydration of Hydrous Carbonaceous Chondrites
Nakamura T. * Golabek G. Ohtsuka K. Matsuoka M. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6233] “We have calculated time-dependent temperature profiles of near surface layers of primitive Near Sun Asteroid…
The Evolution of the Protoplanetary Disk Recorded by Nucleosynthetic Isotope Variations of Variable Stellar Origin in Refractory Inclusions
Schönbächler M. * Lai Y.-J. Henshall T. Fehr M. A. Cook D. L. Bullock E. S. 80th Annual Meeting of the Meteoritical Society 2017 [#6222] abstract (PDF) “New CAI data confirm the homogeneous distribution of…
26Al Isotope in Pultusk Meteorite Fragments
Tymiński Z. Krzesińska A. M. Burakowska A. Stępisiewicz M. Tymińska K. Dziel T. Olech A. Żołądek P. 80th Annual Meeting of the Meteoritical Society 2017 [#6278] abstract “Low deviations in 26Al distribution between analysed Pultusk…
The Thermal History of CI and CM Chondrites and Their Relationship to Primitive Asteroid Surfaces
King A. J. * Maturilli A. Schofield P. F. Helbert J. Russell S. S. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6220] “Heated CI and CM chondrites are likely to be excellcent…
Water on Asteroids: The Curious Case of R-Chondrite Miller Range 11207
Gross J. * Treiman A. H. Connolly H. C. Jr. 80th Annual Meeting of the Meteoritical Society 2017 [#6145] abstract (PDF) “MIL 11207 is a R-6 chondrite and contains ~12 vol% OH-bearing minerals — amphibole,…
Finding Meteorites on Improbable Grounds: The Western Europe Case
Rochette P., Gattacceca J., Laubenstein M. 80th Annual Meeting of the Meteoritical Society 2017 [#6021] abstract “We present the statistics of finds in Europe and the case of Abbans Dessous and Mercantour declared recently found…
50Ti Evidence for Different Refractory Precursors in Chondrules
Ebert S. Render J. Brennecka G. A. Burkhardt C. Bischoff A. Kleine T. 80th Annual Meeting of the Meteoritical Society 2017 [#6255] abstract “Different refractory precursors in chondrules are necessary to explain the different 50Ti…
Breccia Classification of CM Chondrites
Bischoff A., Ebert S., Metzler K., Lentfort S. 80th Annual Meeting of the Meteoritical Society 2017 [#6089] abstract “CM chondrites are heavily brecciated rocks. We suggest to classify CM chondrites in the same way as…
Northwest Africa 11118: A Unique Accretionary Aggregate
Greshake A., Ziegler K., Mahlow K., Wirth R., Schmitt-Kopplin Ph. 80th Annual Meeting of the Meteoritical Society 2017 [#6208] abstract “The CM-like carbonaceous chondrite Northwest Africa 11118 is an unique very loosely consolidated highly porous…
Atmospheric Trajectory and Orbit of the Osceola Meteorite (January 24, 2016)
Gritsevich M., * Lyytinen E., Hankey M., Meier M. M. M., Matson R., Fries M. 80th Annual Meeting of the Meteoritical Society 2017 [#6188] abstract “We present a summary on the trajectory reconstruction, dark flight…
Insights into Parent Body Alteration from the Distribution of Water and Hydroxyl in Carbonaceous Chondrites
Hamilton V. E. * Abreu N. M. Connolly H. C. Jr. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6263] “We are using µ-FTIR to characterize the spatial distribution of water and hydroxyl…
CM2 to CM1 Iron Sulfides, from Primary Nebular to Altered Asteroidal
Singerling S. A. * Corrigan C. M. Brearley A. J. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6167] “This study synthesizes our observations of CM chondrite iron sulfides, from primary characteristics in…
Mineralogy, Petrology and Chronology of the Dingle Dell Meteorite
Benedix G. K. * Forman L. V. Daly L. Godel B. Esteban L. Meier M. M. M. Maden C. Busemann H. Yin Q.-Z. Sanborn M. Ziegler K. Friedrich J. M. Strasser J. W. Welten K….
The Effect of Aqueous Alteration on Primordial Noble Gases in CM Chondrites
Weimer D. * Busemann H. Alexander C. M. O’D. Maden C. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6300] “We have analyzed 32 CM chondrites for their noble gas contents and isotopic…
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…
Mean Atomic Weight of Braunschweig Meteorite
Szurgot M., Wach R. A., Bartoschewitz R. 80th Annual Meeting of the Meteoritical Society 2017 [#6002] abstract “Mean atomic weight Amean, and atomic number of Braunschweig meteorite were determined and analyzed. Classification of Braunschweig, as…
Almahata Sitta Meteorite — Compilation of Magnetic Susceptibility Database
Hoffmann V. H. Funaki M. Wimmer K. Hochleitner R. Kaliwoda M. Mikouchi T. Zolensky M. E. 80th Annual Meeting of the Meteoritical Society 2017 [#6290] abstract “An overview of the magnetic susceptibility (MS) of all…
Petrographic and Isotopic C and O Survey of the Earliest Stages of Aqueous Alteration of CM Chondrites
Vacher L. G. * Marrocchi Y. Villeneuve J. Verdier-Paoletti M. J. Gounelle M. 80th Annual Meeting of the Meteoritical Society 2017 [#6031] abstract “CM Paris shows two populations of carbonates: T1a and a new T0….
Minerals as Markers of Fluid Alteration in Paris Chondrite
Pignatelli I. * Marrocchi Y. Mugnaioli E. Bourdelle F. Gounelle M. 80th Annual Meeting of the Meteoritical Society 2017 [#6189] abstract “This nanoscale study deals with tochilinite/cronstedtite intergrowths formed by pseudomorphism of anhydrous minerals in…
Meteoritic Constraints on the Origins of Our Solar System
Dwarkadas V. V., Dauphas N., Meyer B.S., Boyajian P.H., Bojazi M. 80th Annual Meeting of the Meteoritical Society 2017 [#6159] abstract “At the time of formation, our solar system had a high abundance of 26Al,…
26Al-26Mg Systematics of the Ungrouped Achondrite Northwest Africa 11119: Timing of Extraterrestrial Silica-Rich Magmatism
Dunlap D. R. * Wadhwa M. Agee C. 80th Annual Meeting of the Meteoritical Society 2017 [#6268] abstract “Ungrouped achondrite NWA 11119 has an andesite-dacite bulk SiO2. The high precision 26Al-26Mg internal isochron age is…
The neutron capture process in the He shell in core-collapse supernovae: Presolar silicon carbide grains as a diagnostic tool for nuclear astrophysics
Marco Pignatari, Peter Hoppe, Reto Trappitsch, Chris Fryer, F.X. Timmes, Falk Herwig, Raphael Hirschi Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 June 2017 LINK “Carbon-rich presolar grains are found in primitive…
Do meteoritic silicon carbide grains originate from asymptotic giant branch stars of super-solar metallicity?
Maria Lugaro, Amanda I. Karakas, Mária Pető, Emese Plachy Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 June 2017 LINK “We compare literature data for the isotopic ratios of Zr, Sr, and…
Presolar Silicates in the Matrix and Fine-grained Rims Around Chondrules in Primitive CO3.0 Chondrites: Evidence for Pre-Accretionary Aqueous Alteration of the Rims in the Solar Nebula
Pierre Haenecour, Christine Floss, Thomas J. Zega, Thomas K. Croat, Alian Wang, Bradley L. Jolliff, Paul Carpenter Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 June 2017 LINK “To investigate the origin…
Reconciliation of the excess 176Hf conundrum in meteorites: Recent disturbances of the Lu-Hf and Sm-Nd isotope systematics
Rebecca Bast, Erik E. Scherer, Peter Sprung, Klaus Mezger, Mario Fischer-Gödde, Stephan Taetz, Mischa Böhnke, Hinrich Schmid-Beurmann, Carsten Münker, Thorsten Kleine, Gopalan Srinivasan Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 June…
Paleomagnetic evidence for dynamo activity driven by inward crystallisation of a metallic asteroidOPEN ACCESS
James F.J. Bryson, Benjamin P. Weiss, Richard J. Harrison, Julia Herrero-Albillos, Florian Kronast Earth and Planetary Science Letters Volume 472, 15 August 2017, Pages 152–163 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Highlights • We measured…