Archive for May 2019

Molybdenum Isotopes in Presolar Silicon Carbide Grains: Details of s-process Nucleosynthesis in Parent Stars and Implications for r- and p-processes

31/05/2019 23:19 · by karmaka · in presolar grains

Thomas Stephan, Reto Trappitsch, Peter Hoppe, Andrew M. Davis, Michael J. Pellin, and Olivia S. Pardo The Astrophysical Journal, Volume 877, Number 2 LINK “We have analyzed molybdenum isotopes, together with strontium and barium isotopes,…

Mesoscale and microscale shock effects in the LL6 S4 chondrites Saint‐Séverin and Elbert: A tale of two breccias

31/05/2019 17:54 · by karmaka · in LL, ordinary chondrite, shock metamorphism

Richard C. Hugo, Alex M. Ruzicka, Alan E. Rubin Meteoritics & Planetary Science First Published: 31 May 2019 LINK “Saint‐Séverin and Elbert, two LL6 chondrite breccias, were systematically studied to evaluate multiple deformation effects on…

A Mineralogical Context for the Organic Matter in the Paris Meteorite Determined by A Multi-Technique AnalysisOPEN ACCESS

30/05/2019 19:22 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, organic matter

Manale Noun, Donia Baklouti,, Rosario Brunetto , Ferenc Borondics, Thomas Calligaro, Zélia Dionnet, Louis Le Sergeant d’Hendecourt, Bilal Nsouli, Isabelle Ribaud, Mohamad Roumie and Serge Della-Negra Life 2019, 9 (2), 44 Published: 30 May 2019…

Testing the genetic relationship between fluid alteration and brecciation in CM chondrites

30/05/2019 09:13 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM

Maximilien J. Verdier‐Paoletti, Yves Marrocchi, Lionel G. Vacher, Jérôme Gattacceca, Andrey Gurenko, Corinne Sonzogni, Matthieu Gounelle Meteoritics & Planetary Science First Published: 29 May 2019 LINK “Boriskino is a poorly studied CM chondrite with numerous…

Meteorites from the Lut Desert (Iran)OPEN ACCESS

30/05/2019 09:09 · by karmaka · in H, ordinary chondrite, terrestrial ages

Hamed Pourkhorsandi, Jérôme Gattacceca, Pierre Rochette, Massimo D’Orazio, Hojat Kamali, Roberto de Avillez, Sonia Letichevsky, Morteza Djamali, Hassan Mirnejad, Vinciane Debaille, A. J. Timothy Jull Meteoritics & Planetary Science First Published: 29 May 2019 LINK…

Ultraprecise age and formation temperature of the Australasian tektites constrained by 40Ar/39Ar analyses

29/05/2019 14:50 · by karmaka · in tektite / impact ejecta

Fred Jourdan, Sebastien Nomade, Michael T. D. Wingate, Ela Eroglu, Al Deino Meteoritics & Planetary Science First Published: 29 May 2019 LINK “The Australasian tektites are quench melt glass ejecta particles distributed over the Asian,…

An Early Jurassic age for the Puchezh‐Katunki impact structure (Russia) based on 40Ar/39Ar data and palynology

29/05/2019 14:49 · by karmaka · in impact / impact-structures

S. Holm‐Alwmark, C. Alwmark, L. Ferrière, S. Lindström, M. M. M. Meier, A. Scherstén, M. Herrmann, V. L. Masaitis, M. S. Mashchak, M. V. Naumov, F. Jourdan Meteoritics & Planetary Science First Published: 29 May…

Significance of High Field Strength and Rare Earth Element Distributions in Deciphering the Evolution of the Inner Solar System

28/05/2019 19:39 · by karmaka · in angrite, Earth, Mars, primitive achondrite

Kent C. Condie, Charles K. Shearer Geochimica et Cosmochimica Acta Available online 28 May 2019 LINK “Major processes affecting high field strength (HFSE) and rare earth (REE) element ratios in planetary basalts are degree of…

176Lu–176Hf and 87Rb–87Sr Systematics and Rare Earth Element Abundances of Nine Diogenite Meteorites: Evidence for Their Crystallization from Partial Melts of the Vestan Mantle

28/05/2019 16:21 · by karmaka · in diogenite, HED achondrite

Takaharu Saito, Hiroshi Hidaka, and Seung-Gu Lee The Astrophysical Journal, Volume 877, Number 2 LINK “Howardite–eucrite–diogenite meteorites are believed to originate in the crust of the asteroid 4 Vesta, whose differentiation processes are still controversial….

Mars in the aftermath of a colossal impactOPEN ACCESS

25/05/2019 20:21 · by karmaka · in Mars, martian, NWA 7034 (basaltic breccia)

Jason Man Yin Woo, Hidenori Genda, Ramon Brasser, Stephen J. Mojzsis Icarus Volume 333, 15 November 2019, Pages 87-95 updated: 24 June 2019 PDF (OPEN ACCESS) LINK “Highlights • About half of the impactor’s core…

Syneruptive incorporation of martian surface sulphur in the nakhlite lava flows revealed by S and Os isotopes and highly siderophile elements: implication for mantle sources in MarsOPEN ACCESS

25/05/2019 00:45 · by karmaka · in Mars, martian, nakhlite

N. Mari, A.J.V. Riches, L.J. Hallis, Y. Marrocchi, J. Villeneuve, P. Gleissner, H. Becker, M.R. Lee Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 24 May 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS)…

On the source of diogenites and olivine diogenites: Compositional diversity from variable fO2

23/05/2019 20:57 · by karmaka · in diogenite, HED achondrite, Vesta

Jennifer T. Mitchell, Andrew G. Tomkins Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 23 May 2019 LINK “The genesis of diogenites and olivine-bearing diogenites has been debated for decades, with current models…

Timing and Origin of the Angrite Parent Body Inferred from Cr IsotopesOPEN ACCESS

23/05/2019 20:47 · by karmaka · in achondrite, angrite, crystallization age, parent body

Ke Zhu (朱柯), Frédéric Moynier, Daniel Wielandt, Kirsten K. Larsen, Jean-Alix Barrat, and Martin Bizzarro The Astrophysical Journal Letters, Volume 877, Number 1 Published 2019 May 23 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Angrite meteorites…

Analysis of June 2, 2016 bolide event over ArizonaOPEN ACCESS

22/05/2019 06:43 · by karmaka · in Dishchii’bikoh, LL, meteor/meteoroid/bolide, ordinary chondrite, witnessed fall

Csaba Palotai, Ramanakumar Sankar, Dwayne L. Free, J. Andreas Howell, Elena Botella, Daniel Batcheldor accepted for publication in MNRAS, version 1 (v1): 15 Jan 2018, last revised (v2) 21 May 2019 PDF (OPEN ACCESS) Update…

Exotic carbon microcrystals in meteoritic dust of the Chelyabinsk superbolide: experimental investigations and theoretical scenarios of their formation (before: Pele’s hairs and exotic multiply twinned graphite closed-shell microcrystals in meteoritic dust of Chelyabinsk superbolideOPEN ACCESS

21/05/2019 06:51 · by karmaka · in Chelyabinsk / Челябинск, meteor/meteoroid/bolide

S. Taskaev, K. Skokov, V. Khovaylo, W. Donner, T. Faske, A. Dudorov, N. Gorkavyi, G. Savosteenko, A. Dyakonov, W. Baek, A. Kuklin, P. Avramov, O. Gutfleisch Submitted 20 May, 2019 PDF (OPEN ACCESS) Update (7…

3-μm reflectance spectroscopy of carbonaceous chondrites under asteroid-like conditions

20/05/2019 18:14 · by karmaka · in aqueous alteration, carbonaceous chondrite, CI, CM, CO, CR, CV

Driss Takir, Karen R. Stockstill-Cahill, Charles A. Hibbitts, Yusuke Nakauchi Icarus In Press, Accepted Manuscript, Available online 20 May 2019 LINK “Highlights • We present the most comprehensive 3-μm dataset of carbonaceous chondrites ever acquired…

Molybdenum isotopic evidence for the late accretion of outer Solar System material to Earth

20/05/2019 18:07 · by karmaka · in accretion, carbonaceous chondrite, Earth

Gerrit Budde, Christoph Burkhardt & Thorsten Kleine Nature Astronomy, 1–6 LINK “Earth grew through collisions with Moon-sized to Mars-sized planetary embryos from the inner Solar System, but it also accreted material from greater heliocentric distances…

The early geological history of the Moon inferred from ancient lunar meteorite Miller Range 13317OPEN ACCESS

15/05/2019 13:31 · by karmaka · in lunar, Moon

N. M. Curran, K. H. Joy, J. F. Snape, J. F. Pernet‐Fisher, J. D. Gilmour, A. A. Nemchin, M. J. Whitehouse, R. Burgess Meteoritics & Planetary Science First Published: 14 May 2019 LINK (OPEN ACCESS)…

The effects of impacts on the cooling rates of iron meteorites

15/05/2019 13:25 · by karmaka · in iron, parent body

Richard J. Lyons, Timothy J. Bowling, Fred J. Ciesla, Thomas M. Davison, Gareth S. Collins Meteoritics & Planetary Science First Published: 14 May 2019 LINK “Iron meteorites provide a record of the thermal evolution of…

The CM carbonaceous chondrite regolith Diepenveen

13/05/2019 21:24 · by karmaka · in carbonaceous chondrite, CM, Diepenveen, witnessed fall

Marco Langbroek, Peter Jenniskens, Leo M. Kriegsman, Henk Nieuwenhuis, Niek De Kort, Jacob Kuiper, Wim Van Westrenen, Michael E. Zolensky, Karen Ziegler, Qing‐Zhu Yin, Matthew E. Sanborn, Josh Wimpenny, Akane Yamakawa, Sebastiaan J. De Vet,…

Analysis of Meteoroid Ablation Based on Plasma Wind-tunnel Experiments, Surface Characterization, and Numerical Simulations

10/05/2019 16:55 · by karmaka · in meteor/meteoroid/bolide, ordinary chondrite

Bernd Helber, Bruno Dias, Federico Bariselli, Luiza F. Zavalan, Lidia Pittarello, Steven Goderis, Bastien Soens, Seann J. McKibbin, Philippe Claeys, and Thierry E. Magin The Astrophysical Journal, Volume 876, Number 2 LINK “Meteoroids largely disintegrate…

Comparison of FT‐IR spectra of bulk and acid insoluble organic matter in chondritic meteorites: An implication for missing carbon during demineralization

09/05/2019 13:54 · by karmaka · in carbonaceous chondrite, organic matter

Yoko Kebukawa, Conel M. O’D. Alexander, George D. Cody Meteoritics & Planetary Science First Published: 8 May 2019 LINK “Past studies of the various separable carbonaceous fractions have been unable to account for all of…

The chlorine isotope composition of iron meteorites: Evidence for the Cl isotope composition of the solar nebula and implications for extensive devolatilization during planet formation

09/05/2019 13:50 · by karmaka · in IAB, iron

Anthony Gargano, Zachary Sharp Meteoritics & Planetary Science First Published: 8 May 2019 LINK “The bulk chlorine concentrations and isotopic compositions of a suite of non‐carbonaceous (NC) and carbonaceous (CC) iron meteorites were measured using…

Bulk trace elements of Mg-rich cryptocrystalline and ferrous radiating pyroxene chondrules from Acfer 182: Their evolution paths

05/05/2019 19:12 · by karmaka · in CH, chondrule, chondrule formation, cryptocrystalline (CC), radial pyroxene (RP)

Maria Eugenia Varela Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 May 2019 LINK “A trace element study of Mg-rich cryptocrystalline (CC) and ferrous radiating pyroxene (RP) chondrules, covering from the ultra-refractory…

Overestimation of threat from 100 Mt–class airbursts? High-pressure evidence from zircon in Libyan Desert Glass

03/05/2019 20:02 · by karmaka · in desert glass, impact / impact-structures, meteor/meteoroid/bolide

Aaron J. Cavosie, Christian Koeberl Geology (2019) LINK “Atmospheric airbursts over Russia at Chelyabinsk in 2013 and Tunguska in 1908 provide dramatic examples of hazards posed by near-Earth objects (NEOs). These two events produced 0.5…

Determination of the water content and D/H ratio of the martian mantle by unraveling degassing and crystallization effects in nakhlites

03/05/2019 06:36 · by karmaka · in Mars, martian, nakhlite, water

A.H. Peslier, R. Hervig, S. Yang, M. Humayun, J.J. Barnes, A.J. Irving Geochimica et Cosmochimica ActaIn Press, Accepted Manuscript, Available online 2 May 2019 LINK “Knowing the distribution and origin of water in terrestrial planets…

Meteoroid atmospheric entry investigated with plasma flow experiments: Petrography and geochemistry of the recovered material

03/05/2019 00:29 · by karmaka · in H, meteor/meteoroid/bolide, ordinary chondrite

Lidia Pittarello, Steven Goderis, Bastien Soens, Seann J. McKibbin, Gabriele Giuli, Federico Bariselli, Bruno Dias, Bernd Helber, Giovanni O. Lepore, Frank Vanhaecke, Christian Koeberl, Thierry E. Magin, Philippe Claeys Icarus In Press, Accepted Manuscript, Available…