Coordinated mineralogical and isotopic analyses of a cosmic symplectite discovered in a comet 81P/Wild 2 sample.
Nguyen, A. N., Berger, E. L., Nakamura-Messenger, K., Messenger, S. and Keller, L. P. Meteoritics & Planetary Science. doi: 10.1111/maps.12905 LINK “We have discovered in a Stardust mission terminal particle a unique mineralogical assemblage of…
Geochemical and oxygen isotope perspective of a new R chondrite Dhofar 1671: Affinity with ordinary chondrites.
Ali, A., Nasir, S. J., Jabeen, I., Al Rawas, A., Banerjee, N. R. and Osinski, G. R. Meteoritics & Planetary Science. doi: 10.1111/maps.12903 LINK “Dhofar 1671 is a relatively new meteorite that previous studies suggest…
3.1 Ga crystallization age for magnesian and ferroan gabbro lithologies in the Northwest Africa 773 clan of lunar meteorites
B.J. Shaulis, M. Righter, T.J. Lapen, B.L. Jolliff, A.J. Irving Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 June 2017 LINK “The Northwest Africa (NWA) 773 clan of meteorites is a group…
An experimental study of chondrule formation from chondritic precursors via evaporation and condensation in Knudsen cell: Shock heating model of dust aggregates
Naoya Imae, Hiroshi Isobe Earth and Planetary Science Letters In Press, Corrected Proof, Available online 27 June 2017 LINK “Highlights • Type I chondrules were reproduced via the Fe evaporation and Si condensation in the…
Apparent meteorite fall in the Al-Abbasiya region (منطقة العباسية), south of Kosti (كوستي), White Nile (النيل الأبيض), Sudan on 21 June 2017
The bolide’s detonation booms and flares were seen and heard by many witnesses in Kosti, Rabak, Jabalin and Kenana in the early morning (about 00:05 a.m. EAT (UTC+3) ?) of 21 June 2017. The first…
Meteorite fall in Broek in Waterland, Waterland, Netherlands, at 5.09.39 p.m. (4.09.39 p.m. UTC) on 11 January 2017
Last update: 3 August 2017 According to Naturalis Biodiversity Center’s press release from 26 June 2017 the meteorite (530 g, L6,S3,W0 ~ 9.1 x 8.7 x 5.6 (max.) cm) hit a barn in the residential…
Nucleosynthetic molybdenum isotope anomalies in iron meteorites – new evidence for thermal processing of solar nebula materialOPEN ACCESS
Graeme M. Poole, Mark Rehkämper, Barry J. Coles, Tatiana Goldberg, Caroline L. Smith Earth and Planetary Science Letters In Press, Corrected Proof, Available online 20 June 2017 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Highlights •…
Improvement of the extraction method of faint signals in γ-activity measurements of meteorites⋆
D. Gardiol, D. Barghini, P. Colombetti, C. Taricco, S. Mancuso, S. Rubinetti, M. Di Martino The European Physical Journal Plus First Online:20 June 2017 DOI: 10.1140/epjp/i2017-11556-yJune 2017, 132:269 LINK “At the underground laboratory of Monte…
The role of phosphates for the Lu–Hf chronology of meteoritesOPEN ACCESS
Vinciane Debaille, James Van Orman, Qing-Zhu Yin, Yuri Amelin Earth and Planetary Science Letters, Volume 473, 1 September 2017, Pages 52-61 LINK “Highlights: • Preferential diffusion of Lu over Hf from phosphate can disturb Lu–Hf…
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…
Age of Jupiter inferred from the distinct genetics and formation times of meteorites
Thomas S. Kruijer, Christoph Burkhardt, Gerrit Budde, and Thorsten Kleine PNAS2017 ; published ahead of print June 12, 2017, doi:10.1073/pnas.1704461114 LINK “The age of Jupiter, the largest planet in our Solar System, is still unknown….
In situ 60Fe-60Ni Systematics of Chondrules from Unequilibrated Ordinary Chondrites
Myriam Telus, Gary R. Huss, Kazuhide Nagashima, Ryan C. Ogliore, Shogo Tachibana Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 June 2017 LINK “The initial 60Fe/56Fe ratio of chondrules from unequilibrated ordinary…
Paris vs. Murchison: Impact of hydrothermal alteration on organic matter in CM chondrites
V. Vinogradoff, C. Le Guillou, S. Bernard, L. Binet, P. Cartigny, A.J. Brearley, L. Remusat Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 June 2017 LINK “Unravelling the origin of organic compounds…
Refractory materials in comet samples.OPEN ACCESS
Joswiak, D. J., Brownlee, D. E., Nguyen, A. N., Messenger, S. Meteorit Planet Sci. doi:10.1111/maps.12877 LINK “Transmission electron microscope examination of more than 250 fragments, >1 μm from comet Wild 2 and a giant cluster…
MUKUNDPURA (CM2) meteorite fall (>2.23 kg) on 6 June 2017 at ~5:15 a.m. IST (UTC+05:30) in Mukundpurā (मुकुन्दपुरा), Jaipur (जयपुर), Rajastan, India (updated: 27 March)
Last update: 27 March 2018 On 6 June 2017 at about 5:10-20 a.m. IST (UTC+05:30) a carbonaceous meteorite, apparently weighing ~ 3.13 kg in total, fell on the farmland of Banśī Bāgaṛā (बंशी बागड़ा) in…
Geochemistry of Martian basalts with constraints on magma genesis
Justin Filiberto Chemical Geology Volume 466, 5 September 2017, Pages 1-14 LINK “Highlights • Review of geochemistry of Martian basalts and formation conditions • Martian basalts are more chemically more diverse than represented by meteorites….
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…
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,…
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…
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…
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…
Angrite meteorites record the onset and flux of water to the inner solar system
Adam R. Sarafian, Sune G. Nielsen, Horst R. Marschall, Glenn A. Gaetani, Erik H. Hauri, Kevin Righter, Emily Sarafian Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 7 June 2017 LINK “Earth and…
Measuring the level of interstellar inheritance in the solar protoplanetary disk
Conel M. O’D. Alexander,Larry R. Nittler,Jemma Davidson,Fred J. Ciesla Meteoritics & Planetary Science. doi: 10.1111/maps.12891 First published: 6 June 2017 LINK “The timing and extent to which the initial interstellar material was thermally processed provide…
Modification of REE distribution of ordinary chondrites from Atacama (Chile) and Lut (Iran) hot deserts: Insights into the chemical weathering of meteorites.
Pourkhorsandi, H., D’Orazio, M., Rochette, P., Valenzuela, M., Gattacceca, J., Mirnejad, H., Sutter, B., Hutzler, A. and Aboulahris, M. Meteoritics & Planetary Science. doi: 10.1111/maps.12894 First published: 2 June 2017 LINK “The behavior of rare…
Water content in the Martian mantle: a Nakhla perspective
Franz A. Weis, Jeremy J. Bellucci, Henrik Skogby, Roland Stalder, Alexander A. Nemchin, Martin J. Whitehouse Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 June 2017 LINK “Water contents of the Martian…
Majorite-olivine–high-Ca pyroxene assemblage in the shock-melt veins of Pervomaisky L6 chondrite
Ivan S. Bazhan, Konstantin D. Litasov, Eiji Ohtani, Shin Ozawa American Mineralogist, v. 102, i. 6, p. 1279-1286, First Published on June 01, 2017, doi:10.2138/am-2017-5892 LINK “High-pressure minerals—majorite-pyrope garnet and jadeite—were found in the Pervomaisky…
Shock-induced P-T conditions and formation mechanism of akimotoite-pyroxene glass assemblages in the Grove Mountains (GRV) 052082 (L6) meteorite
Lu Feng, Masaaki Miyahara, Toshiro Nagase, Eiji Ohtani, Sen Hu, Ahmed El Goresy, Yangting Lin American Mineralogist, v. 102, i. 6, p. 1254-1262, First Published on June 01, 2017, doi:10.2138/am-2017-5905 LINK “Akimotoite [(Mg,Fe)SiO3-ilmenite] was encountered…
Crystal growth and disequilibrium distribution of oxygen isotopes in an igneous Ca-Al-rich inclusion from the Allende carbonaceous chondriteOPEN ACCESS
Noriyuki Kawasaki, Steven B. Simon, Lawrence Grossman, Naoya Sakamoto, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 June 2017 LINK (OPEN ACCESS) “TS34 is a Type B1 Ca-Al-rich inclusion (CAI)…
Tracing the oxygen isotope composition of the upper Earth’s atmosphere using cosmic spherulesOPEN ACCESS
Andreas Pack, Andres Höweling, Dominik C. Hezel, Maren T. Stefanak, Anne-Katrin Beck, Stefan T. M. Peters, Sukanya Sengupta, Daniel Herwartz & Luigi Folco Nature Communications 8, Article number: 15702 (2017) doi:10.1038/ncomms15702 PDF (OPEN ACCESS) LINK…
Probing the early stages of shock-induced chondritic meteorite formation at the mesoscaleOPEN ACCESS
Michael E. Rutherford, David J. Chapman, James G. Derrick, Jack R. W. Patten, Philip A. Bland, Alexander Rack, Gareth S. Collins & Daniel E. Eakins Scientific Reports 7, Article number: 45206 (2017) doi:10.1038/srep45206 Published online:…
3D shape of asteroid (6)~Hebe from VLT/SPHERE imaging: Implications for the origin of ordinary H chondritesOPEN ACCESS
M. Marsset, B. Carry, C. Dumas, J. Hanus, M. Viikinkoski, P. Vernazza, T. G. Müller, M. Delbo, E. Jehin, M. Gillon, J. Grice, B. Yang, T. Fusco, J. Berthier, S. Sonnett, F. Kugel, J. Caron,…
The Stubenberg meteorite—An LL6 chondrite fragmental breccia recovered soon after precise prediction of the strewn field.
Bischoff, A., Barrat, J.-A., Bauer, K., Burkhardt, C., Busemann, H., Ebert, S., Gonsior, M., Hakenmüller, J., Haloda, J., Harries, D., Heinlein, D., Hiesinger, H., Hochleitner, R., Hoffmann, V., Kaliwoda, M., Laubenstein, M., Maden, C., Meier,…
Numerical model of the Chelyabinsk meteoroid as a strengthless object
V. Shuvalov, V. Svetsov, O. Popova, D. Glazachev Planetary and Space Science In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Highlights • The entry of Chelyabinsk meteoroid is considered in the frame of…
Simultaneous iron and nickel isotopic analyses of presolar silicon carbide grains
Reto Trappitsch, Thomas Stephan, Michael R. Savina, Andrew M. Davis, Michael J. Pellin, Detlef Rost, Frank Gyngard, Roberto Gallino, Sara Bisterzo, Sergio Cristallo, Nicolas Dauphas Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online…
Iron and nickel isotope compositions of presolar silicon carbide grains from supernovae
János Kodolányi, Thomas Stephan, Reto Trappitsch, Peter Hoppe, Marco Pignatari, Andrew M. Davis, Michael J. Pellin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “We report the carbon, silicon,…
Rare Earth Element abundances in presolar SiC
T.R. Ireland, J.N. Ávila, M. Lugaro, S. Cristallo, P. Holden, P. Lanc, L. Nittler, C.M.O’D. Alexander, F. Gyngard, S. Amari Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Individual…
D/H diffusion in serpentine
Hélène Pilorge, Bruno Reynard, Laurent Remusat, Sylvie Le Floch, Gilles Montagnac, Hervé Cardon Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Interactions between aqueous fluids and ultrabasic rocks are…
Platinum isotopes in iron meteorites: galactic cosmic ray effects and nucleosynthetic homogeneity in the p-process isotope 190Pt and the other Platinum isotopes
Alison C. Hunt, Mattias Ek, Maria Schönbächler Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “Platinum isotopes are sensitive to the effects of galactic cosmic rays (GCR), which can…
Evaluating Crustal Contributions to Enriched Shergottites from the Petrology, Trace Elements, and Rb-Sr and Sm-Nd Isotope Systematics of Northwest Africa 856
J. Ferdous, A.D. Brandon, A.H. Peslier, Z. Pirotte Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 May 2017 LINK “The origin of the incompatible trace element (ITE) characteristics of enriched shergottites has…
Três Irmãos – meteorite fall in Água Branca, Palmas de Monte Alto, Bahia, Brazil at ~11:20 a.m. (14:20 UTC) on 26 May 2017
Last update: 16 August 2017 The Três Irmãos meteorite (9 cm (length), 5 cm (height), 6 cm (width), an ordinary chondrite (L6, S3, W0) weighing about 950 grams was found by Sirlene da Silva Paes…
Dishchii’bikoh Ts’iłsǫǫsé Tsee (Cibecue Star Stone) officially registered as witnessed fall (LL7, S3, W0)
Dishchii’bikoh has been officially registered as witnessed fall Dishchii’bikoh is Apache for Cibecue. The meteorite’s full name is Dishchii’bikoh Ts’iłsǫǫsé Tsee ♫ (Cibecue Star Stone). Interview with Laurence Garvie (kjzz, 31 May 2017) AUDIO (MP3)…
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…
Atomic-scale age resolution of planetary eventsOPEN ACCESS
L. F. White, J. R. Darling, D. E. Moser, D. A. Reinhard, T. J. Prosa, D. Bullen, D. Olson, D. J. Larson, D. Lawrence & I. Martin Nature Communications 8, Article number: 15597 (2017) doi:10.1038/ncomms15597…
Stellar origin of 15N-rich presolar SiC grains of type AB: supernovae with explosive hydrogen burningOPEN ACCESS
Nan Liu, Larry R. Nittler, Marco Pignatari, Conel M. O’D. Alexander, Jianhua Wang The Astrophysical Journal Letters PDF (OPEN ACCESS) “We report C, N, and Si isotopic data for 59 highly 13C-enriched presolar submicron- to…
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…
The Bulk Valence State of Fe and the Origin of Water in Chondrites
S. Sutton, C.M.O’D. Alexander, A. Bryant, A. Lanzirotti, M. Newville, E.A. Cloutis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 19 May 2017 LINK “There is abundant petrologic evidence for the oxidation of…
Osmium isotopic homogeneity in the CK carbonaceous chondrites
Steven Goderis, Alan D. Brandon, Bernhard Mayer, Munir Humayun Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 May 2017 LINK “Variable proportions of isotopically diverse presolar components are known to account for…
Secondary melting events in Semarkona chondrules revealed by compositional zoning in low-Ca pyroxene
Bastian Baecker, Alan E. Rubin, John T. Wasson Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 17 May 2017 LINK “It is well established that many chondrules contain relict grains formed in previous…
The parent body controls on cosmic spherule texture: Evidence from the oxygen isotopic compositions of large micrometeorites
M. van Ginneken, J. Gattacceca, P. Rochette, C. Sonzogni, A. Alexandre, V. Vidal, M.J. Genge Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 May 2017 LINK “High-precision oxygen isotopic compositions of eighteen…
Unraveling the role of liquids during chondrule formation processes
Maria Eugenia Varela, Ernst Zinner Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 May 2017 LINK “The process/es involved in chondrule formation cover a wide range of mechanisms whose nature is still…
How to build a continental scale fireball camera network
Robert M. Howie, Jonathan Paxman, Philip A. Bland, Martin C. Towner, Martin Cupak, Eleanor K. Sansom, Hadrien A. R. Devillepoix Experimental Astronomy (2017) doi:10.1007/s10686-017-9532-7 First Online: 11 May 2017 LINK “The expansion of the Australian…
The compositional diversity of non-Vesta basaltic asteroidsOPEN ACCESS
Thomas B. Leith, Nicholas A. Moskovitz, Rhiannon G. Mayne, Francesca E. DeMeo, Driss Takir, Brian J. Burt, Richard P. Binzel, Dimitra Pefkou Icarus In Press, Accepted Manuscript, Available online 11 May 2017 PDF (OPEN ACCESS)…
Correlated Nanoscale Characterization of a Unique Complex Oxygen-rich Stardust Grain: Implications for Circumstellar Dust Formation
J. Leitner, P. Hoppe, C. Floss, F. Hillion, T. Henkel Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 11 May 2017 LINK “We report the light to intermediate-mass element abundances as well as…
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…
Evidence of cross-cutting and redox reaction in Khatyrka meteorite reveals metallic-Al minerals formed in outer spaceOPEN ACCESS
Chaney Lin, Lincoln S. Hollister, Glenn J. MacPherson, Luca Bindi, Chi Ma, Christopher L. Andronicos & Paul J. Steinhardt Scientific Reports 7, Article number: 1637 (2017) doi:10.1038/s41598-017-01445-5 LINK (OPEN ACCESS) “We report on a fragment…
Martian low-temperature alteration materials in shock-melt pockets in Tissint: Constraints on their preservation in shergottite meteorites
C.R. Kuchka, C.D.K. Herd, E.L. Walton, Y. Guan, Y. Liu Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 May 2017 LINK “We apply an array of in situ analytical techniques, including electron…
Tracing metal–silicate segregation and late veneer in the Earth and the ureilite parent body with palladium stable isotopes
J.B. Creech, F. Moynier, M. Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 May 2017 LINK “Stable isotope studies of highly siderophile elements (HSE) have the potential to yield valuable insights…
Reconstruction of the Morasko meteoroid impact—Insight from numerical modeling.
Bronikowska, M., Artemieva, N. A. and Wünnemann, K. Meteoritics & Planetary Science. doi: 10.1111/maps.12882 LINK “The Morasko strewn field located near Poznań, Poland comprises seven impact craters with diameters ranging from 20 to 90 m,…
Crystal structure refinement of chromites from two achondrites, their T-f(O2) conditions, and implications.
Lenaz, D. and Schmitz, B. Meteoritics & Planetary Science. doi: 10.1111/maps.12885 LINK “Six Cr-spinel grains from NWA 6077 brachinite-like and NWA 725 winonaite achondrites have been studied by single-crystal X-ray diffraction and structural refinement. From…
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…
Meteorites from Phobos and Deimos at Earth?OPEN ACCESS
P. Wiegert, M.A. Galiazzo Planetary and Space Science In Press, Accepted Manuscript, Available online 6 May 2017 PDF (OPEN ACCESS) LINK “Highlights • The transfer process of material from Phobos and Deimos to Earth is…
Thermoluminescence characteristics of a chondrite (Holbrook) and an aubrite achondrite (Norton County) meteorites
Lily Bossin, Nikolaos A. Kazakis, George Kitis, Nestor C. Tsirliganis Applied Radiation and Isotopes, Volume 127, September 2017, Pages 26-34 LINK “Highlights • TL properties of two meteorites, Norton County and Holbrook, are investigated. •…
Shocked chromites in fossil L chondrites: A Raman spectroscopy and transmission electron microscopy study.
Rout, S. S., Heck, P. R., Zaluzec, N. J., Ishii, T., Wen, J., Miller, D. J. and Schmitz, B. Meteoritics & Planetary Science. doi: 10.1111/maps.12887 LINK “Chromites from Middle Ordovician fossil L chondrites and from…
Meteorite transport—Revisited
Wisdom, J. Meteoritics & Planetary Science. doi: 10.1111/maps.12876 LINK “Meteorites are delivered from the asteroid belt by way of chaotic zones (Wisdom 1985a). The dominant sources are believed to be the chaotic zones associated with…
Meteorite falls in Bulgaria: Reappraisal of mineralogy, chemistry, and classification.
Dekov, V., Rochette, P. and Gattacceca, J. Meteoritics & Planetary Science. doi: 10.1111/maps.12879 LINK “We present a summary of the mineralogy, mineral chemistry, and magnetic characteristics of all the five Bulgarian meteorite falls. We report…
A multielement isotopic study of refractory FUN and F CAIs: Mass-dependent and mass-independent isotope effects
Levke Kööp, Daisuke Nakashima, Philipp R. Heck, Noriko T. Kita, Travis J. Tenner, Alexander N. Krot, Kazuhide Nagashima, Changkun Park, Andrew M. Davis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 26 April…
A multi-technique search for the most primitive CO chondrites
C.M.O’D. Alexander, R.C. Greenwood, R. Bowden, J.M. Gibson, K.T. Howard, I.A. Franchi Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 April 2017 LINK “As part of a study to identify the most…
AIQUILE (H5, S3,W0) registered as confirmed fall in Meteoritical Bulletin Database
LINK More information on this fall can be found HERE “Aiquile 18°17’4″S, 65°8’39″W Cochabamba, Bolivia Confirmed fall: 2016 Nov 20 Classification: Ordinary chondrite (H5) History: A bright fireball appeared over Aiquile, Cochabamba district of Bolivia,…
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…
Asteroid impact effects and their immediate hazards for human populations
Rumpf, Clemens M., Lewis, Hugh G., Atkinson, Peter M. Geophysical Research Letters 10.1002/2017GL073191 19 April 2017 LINK PDF (OPEN ACCESS) until 19 May 2017 “A set of 50,000 artificial Earth impacting asteroids was used to…
Mineralogical, crystallographic and redox features of the earliest stages of fluid alteration in CM chondrites
Isabella Pignatelli, Yves Marrocchi, Enrico Mugnaioli, Franck Bourdelle, Matthieu Gounelle Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 19 April 2017 LINK “The CM chondrites represent the largest group of hydrated meteorites and…
A nonmagnetic differentiated early planetary body
Benjamin P. Weiss, Huapei Wang, Thomas G. Sharp, Jérôme Gattacceca, David L. Shuster, Brynna Downey, Jinping Hu, Roger R. Fu, Aaron T. Kuan, Clément Suavet, Anthony J. Irving, Jun Wang, Jiajun Wang Earth and Planetary…
Park Forest (L5) and the asteroidal source of shocked L chondrites.
Meier, M. M. M., Welten, K. C., Riebe, M. E. I., Caffee, M. W., Gritsevich, M., Maden, C. and Busemann, H. Meteoritics & Planetary Science. doi: 10.1111/maps.12874 LINK “The Park Forest (L5) meteorite fell in…
