Amorphous silicates in the matrix of Semarkona: The first evidence for the localized preservation of pristine matrix materials in the most unequilibrated ordinary chondrites
E. Dobrică, A. J. Brearley Meteoritics & Planetary Science LINK “We have investigated the fine‐grained matrix of the least‐altered unequilibrated ordinary chondrite (UOC) Semarkona (LL3.00) using different electron microscope techniques. Unlike previous studies, which found…
Altered primary iron sulfides in CM2 and CR2 carbonaceous chondrites: Insights into parent body processes
S. A. Singerling, A. J. Brearley Meteoritics & Planetary Science First Published: 13 February 2020 LINK “The presence of primary iron sulfides that appear to be aqueously altered in CM and CR carbonaceous chondrites provides…
Linking asteroids and meteorites to the primordial planetesimal populationOPEN ACCESS
Richard C. Greenwood, Thomas H. Burbine, Ian A. Franchi Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 11 February 2020 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Meteorites provide a unique insight into early…
Carbon isotopic evolution of aqueous fluids in CM chondrites: Clues from in-situ isotope analyses within calcite grains in Yamato-791198
Wataru Fujiya, Yuto Aoki, Takayuki Ushikubo, Ko Hashizume, Akira Yamaguchi Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 10 February 2020 LINK “We report the variability in carbon and oxygen isotopic compositions, chemical…
Aqueous Alteration in the CM2 Aguas Zarcas Meteorite
L. J. Hicks, J. C. Bridges 51st Lunar and Planetary Science Conference (2020), Abstract #2869 PDF (OPEN ACCESS)
Degree of Aqueous Alteration of the CM Carbonaceous Chondrite Aguas Zarcas: Implications for Understanding Ryugu and Bennu
P. M. C. Martin, M. R. Lee 51st Lunar and Planetary Science Conference (2020), Abstract #1375 PDF (OPEN ACCESS)
Magnesium isotopes of the bulk solar wind from genesis diamond‐like carbon filmsOPEN ACCESS
A. J. G. Jurewicz, K. D. Rieck, R. Hervig, D. S. Burnett, M. Wadhwa, C. T. Olinger, R. C. Wiens, J. M. Laming, Y. Guan, G. R. Huss, D. B. Reisenfeld, P. Williams Meteoritics &…
Paleomagnetism of Rumuruti chondrites suggests a partially differentiated parent body
C. Cournède, J. Gattacceca, P. Rochette, D.L. Shuster Earth and Planetary Science Letters Volume 533, 1 March 2020, 116042 LINK “Highlights • We examine the paleomagnetism of two metamorphosed Rumuruti chondrites. • Both possess a…
Application of Mössbauer spectroscopy for classification of ordinary chondrites – different database and different methodsOPEN ACCESS
Jolanta Gałązka-Friedman, Marek Woźniak, Patrycja Bogusz, Martyna Jakubowska, Łukasz Karwowski & Przemysław Duda Hyperfine Interactions, Volume 241, article number: 20 (2019) First Published: 17 December 2019 LINK PDF (OPEN ACCESS) “Classification of the meteorites is…
The great isotopic dichotomy of the early Solar System
Thomas S. Kruijer, Thorsten Kleine & Lars E. Borg Nature Astronomy , 1–9 (2019) LINK “The isotopic composition of meteorites and terrestrial planets holds important clues about the earliest history of the Solar System and…
Characteristics of the Sahara as a meteorite recovery surface
Maria Aboulahris, Hasnaa Chennaoui Aoudjehane, Pierre Rochette, Jérôme Gattacceca, A. J. Timothy Jull, Nejia Laridhi Ouazaa, Luigi Folco Svend Buhl Meteoritics & Planetary Science LINK “We describe the geological, geomorphological, and paleoclimatic setting of the…
Tracing martian surface interactions with the triple O isotope compositions of meteoritic phosphates
J.J. Bellucci, M.J. Whitehouse, A.A. Nemchin, J.F. Snape, G.G. Kenny, R.E. Merle, P.A. Bland, G.K.Benedix Earth and Planetary Science Letters In Press, Corrected Proof, Available online 27 November 2019 LINK “Highlights • A novel methodology…
Aggregate Growth and Internal structures of Chondrite Parent Bodies Forming from Dense ClumpsOPEN ACCESS
Yuji Matsumoto, Shigeru Wakita, Yasuhiro Hasegawa, Shoichi Oshino accepted for publication in ApJ PDF (OPEN ACCESS) “Major components of chondrites are chondrules and matrix. Measurements of the volatile abundance in Semarkona chondrules suggest that chondrules…
The presolar grain inventory of fine‐grained chondrule rims in the Mighei‐type (CM) chondritesOPEN ACCESS
Jan Leitner, Knut Metzler, Christian Vollmer, Christine Floss, Pierre Haenecour, János Kodolányi, Dennis Harries, Peter Hoppe Meteoritics & Planetary Science LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We investigated the inventory of presolar silicate, oxide, and…
Linking mineralogy and spectroscopy of highly aqueously altered CM and CI carbonaceous chondrites in preparation for primitive asteroid sample returnOPEN ACCESS
H. C. Bates, A. J. King, K. L. Donaldson Hanna, N. E. Bowles, S. S. Russell Meteoritics & Planetary Science First Published: 19 November 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The highly hydrated, petrologic…
Analytical methodology to evaluate the Terrestrial Weathering of Libyan Desert Glasses and Darwin Glasses after their formation
Leticia Gómez-Nubla, Julene Aramendia, Silvia Fdez-Ortiz de Vallejuelo, Kepa Castro, Juan Manuel Madariaga Analytical and Bioanalytical Chemistry pp 1–9, First Online: 07 November 2019 LINK “Libyan Desert Glasses (LDGs) and Darwin Glasses (DGs) are impact…
Primordial water and dust of the Solar System: Insights from in-situ oxygen measurements of CI chondrites
Maxime Piralla, Yves Marrocchi, Maximilien J. Verdier-Paoletti, Lionel G. Vacher, Johan Villeneuve, Laurette Piani, David V. Bekaert, Matthieu Gounelle Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 6 November 2019 LINK “As the…
Influence of redox processes on the germanium isotopic composition of ordinary chondrites
Guillaume Florin, Béatrice Luais, Tracy Rushmer, Olivier Alard Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 6 November 2019 LINK Ordinary chondrites (OCs) are classified into three groups, according to their oxidation state,…
A detailed mineralogical, petrographic, and geochemical study of the highly reduced chondrite, Acfer 370
Giovanni Pratesi, Stefano Caporali, Richard C. Greenwood, Vanni Moggi Cecchi, Ian A. Franchi Meteoritics & Planetary Science LINK “Among the many ungrouped meteorites, Acfer 370, NWA 7135, and El Médano 301—probably along with the chondritic…
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…
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…
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…
Glassy magnetic cronstedtite signatures in Mukundpura CM2 chondrite based on magnetic and Mössbauer studies
Ambesh Dixit, R. P. Tripathi, N. Bhandari Meteoritics & Planetary Science First published: 29 September 2019 LINK “We have studied the Mukundpura CM2 meteorite for magnetic properties as a function of temperature and magnetic field,…
Effects of aqueous alteration on primordial noble gases and presolar SiC in the carbonaceous chondrite Tagish Lake
M. E. I. Riebe, H. Busemann, C. M. O’D. Alexander, L. R. Nittler, C. D. K. Herd, C. Maden, J. Wang, R. Wieler Meteoritics & Planetary Science First Published: 4 September 2019 LINK “Effects of…
Oxygen isotope systematics of chondrule olivine, pyroxene, and plagioclase in one of the most pristine CV3Red chondrites (Northwest Africa 8613)
Andreas T. Hertwig, Makoto Kimura, Céline Defouilloy, Noriko T. Kita Meteoritics & Planetary Science First Published: 30 August 2019 LINK “We performed in situ oxygen three‐isotope measurements of chondrule olivine, pyroxenes, and plagioclase from the…
A morphologic and crystallographic comparison of CV chondrite matrices
L. V. Forman, N. E. Timms, P. A. Bland, L. Daly, G. K. Benedix, P. W. Trimby Meteoritics & Planetary Science First Published: 29 August 2019 LINK “Meteoritic matrices are commonly classified by their modal…
MINERALOGY, PETROGRAPHY, AND OXYGEN ISOTOPIC COMPOSITIONS OF ULTRAREFRACTORY INCLUSIONS FROM CARBONACEOUS CHONDRITES
A.N. Krot, C. Ma, K. Nagashima, A.M. Davis, J.R. Beckett, S.B. Simon, M. Komatsu, T.J. Fagan, F. Brenker, M.A. Ivanova, A.Bischoff Geochemistry Available online 15 August 2019 LINK “We report on the mineralogy, petrography, and…
Heating duration of igneous rim formation on a chondrule in the Northwest Africa 3118 CV3oxA carbonaceous chondrite inferred from micro-scale migration of the oxygen isotopes
Nozomi Matsuda, Naoya Sakamoto, Shogo Tachibana, Hisayoshi Yurimoto Geochemistry Available online 10 August 2019 LINK “Due to their common occurrence in various types of chondrites, igneous rims formed on pre-existing chondrules throughout chondrule-forming regions of…
Oxygen isotopic composition of an enstatite ribbon of probable cometary originOPEN ACCESS
Ryan C. Ogliore, Donald E. Brownlee, Kazuhide Nagashima, David J. Joswiak, Josiah B. Lewis, Alexander N. Krot, Kainen L. Utt, Gary R. Huss Meteoritics & Planetary Science First Published: 23 July 2019 PDF (OPEN ACCESS)…
Water abundance in the Tagish Lake meteorite from TGA and IR spectroscopy: Evaluation of aqueous alteration
Cosette M. Gilmour, Christopher D. K. Herd, Pierre Beck Meteoritics & Planetary Science First Published: 22 July 2019 LINK “Here, we evaluate the extent of aqueous alteration among five pristine specimens of the ungrouped Tagish…
Sulfur isotope study of sulfides in CI, CM, C2ung chondrites and volatile-rich clasts – evidence for different generations and reservoirs of sulfide formation
Robbin Visser, Timm John, Markus Patzek, Addi Bischoff, Martin J. Whitehouse Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 July 2019 LINK “Deciphering aspects of the solar system’s formation process and the…
Application of Mössbauer spectroscopy, multidimensional discriminant analysis, and Mahalanobis distance for classification of equilibrated ordinary chondritesOPEN ACCESS
Marek Woźniak, Jolanta Gałązka‐Friedman, Przemysław Duda, Martyna Jakubowska, Patrycja Rzepecka, Łukasz Karwowski Meteoritics & Planetary Science First Published: 25 June 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Mössbauer spectra of equilibrated ordinary chondrites consist of…
Organometallic compounds as carriers of extraterrestrial cyanide in primitive meteoritesOPEN ACCESS
Karen E. Smith, Christopher H. House, Ricardo D. Arevalo Jr., Jason P. Dworkin & Michael P. Callahan Nature Communications 10, 1–7 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Extraterrestrial delivery of cyanide may have been crucial…
CV Chondrites: More than One Parent Body
Gattacceca J., Bonal L., Sonzogni C., Longerey J. 82nd Annual Meeting of The Meteoritical Society 2019 PDF abstract “CV chondrites have been classically divided into reduced (CVRed) and oxidized (CVOx) sub-groups, based on a number…
A New Carbonaceous Chondrite Grouplet, CA
Kimura M., Yamaguchi A., Greenwood R. C., Imae N., Komtsu M. 82nd Annual Meeting of The Meteoritical Society 2019 PDF abstract “While the majority of carbonaceous (C) chondrites can be assigned to one of eight…
Oxygen Isotope Variation of CM and Related Chondrites: Multiple Parent Bodies or a Single Heterogeneous Source?
Franchi I. A., Greenwood R. C., Howard K. T., King A. J., Lee M. R., Anand M., Findlay R. 82nd Annual Meeting of The Meteoritical Society 2019 PDF abstract “CMs are the largest group of…
Why is the Degree of Aqueous Alteration Variable?
K. T. Howard and B. Zanda 82nd Annual Meeting of The Meteoritical Society 2019 PDF abstract “Minerals containing water form inside of asteroids during aqueous alteration. We have quantified the range in degrees of aqueous…
Calcite and dolomite formation in the CM parent body: Insight from in situ C and O isotope analysesOPEN ACCESS
M. Telus, C. M. O’D. Alexander, E. H. Hauri, J. Wang Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 17 June 2019 LINK (OPEN ACCESS) “To constrain the conditions of aqueous alteration in…
Record of low-temperature aqueous alteration of Martian zircon during the late AmazonianOPEN ACCESS
Martin Guitreau & Jessica Flahaut Nature Communications 10, 1–9 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Several lines of evidence support the presence of liquid water on Mars at different times. Among those, hydrated minerals testify…
A Mineralogical Context for the Organic Matter in the Paris Meteorite Determined by A Multi-Technique AnalysisOPEN ACCESS
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
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…
3-μm reflectance spectroscopy of carbonaceous chondrites under asteroid-like conditions
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…
New insights into the heterogeneity of the Tagish Lake meteorite: Soluble organic compositions of variously altered specimens
Danielle N. Simkus, José C. Aponte, Jamie E. Elsila, Robert W. Hilts, Hannah L. McLain, Christopher D. K. Herd LINK “The Tagish Lake carbonaceous chondrite exhibits a unique compositional heterogeneity that may be attributed to…
Genetics, crystallization sequence, and age of the South Byron Trio iron meteorites: New insights to carbonaceous chondrite (CC) type parent bodies
Connor D. Hilton, Katherine R. Bermingham, Richard J. Walker, Timothy J. McCoy Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 February 2019 LINK “The nucleosynthetic Mo, Ru, and W isotopic compositions of…
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…
Oxygen isotopes in HED meteorites and their constraints on parent asteroids
Chuantong Zhang, Bingkui Miao, Huaiyu He Planetary and Space Science In Press, Accepted Manuscript, Available online 19 February 2019 LINK “Highlights • 146 HEDs have similar Δ17O values of −0.240 ± 0.020‰ (2σ) and derive from 4Vesta….
The 26Al-26Mg systematics of FeO-rich chondrules from Acfer 094: two chondrule generations distinct in age and oxygen isotope ratios
Andreas T. Hertwig, Kimura Makoto, Takayuki Ushikubo, Céline Defouilloy, Noriko T. Kita Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 February 2019 LINK “The 26Al-26Mg ages of FeO-rich (type II) chondrules from…
Nanoscale infrared imaging analysis of carbonaceous chondrites to understand organic-mineral interactions during aqueous alteration
Yoko Kebukawa, Hanae Kobayashi, Norio Urayama, Naoki Baden, Masashi Kondo, Michael E. Zolensky, and Kensei Kobayashi PNAS January 15, 2019 116 (3) 753-758 published ahead of print January 2, 2019 https://doi.org/10.1073/pnas.1816265116 LINK “Spatial relationships between…
Monitoring the Thermal Evolution of the CM Parent Body(ies) with In Situ Oxygen Isotope Analyses
L. G. Vacher, M. Piralla, L. Piani, Y. Marrocchi 50th Lunar and Planetary Science Conference (2019), Abstract #1862 PDF abstract
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
First Direct Measurements of Compositions of Early Solar System Aqueous Fluids
R. J. Bodnar, A. Dolocan, M. E. Zolensky, H. Lamadrid, Y. Kebukawa, Q. H.-S. Chan 50th Lunar and Planetary Science Conference (2019), Abstract #1142 PDF abstract
Oxygen Isotope Systematics of Chondrules and Isolated Olivine Grains from the Tagish Lake C2 Chondrite
T. Ushikubo, M. Kimura 50th Lunar and Planetary Science Conference (2019), Abstract #1145 PDF abstract
Grossite-Rich Refractory Inclusions in Carbonaceous Chondrites: Evidence for Early Generation of Different O-Isotope Reservoirs in the Protoplanetary Disk and O-Isotope Exchange During Fluid-Rock Interaction
A. N. Krot, K. Nagashima, S. B. Simon, C. Ma 50th Lunar and Planetary Science Conference (2019), Abstract #1230 PDF abstract
Chronology of Carbonaceous Achondrites from the Outer Solar System
M. H. Huyskens, M. E. Sanborn, Q.-Z. Yin, Y. Amelin, P. Koefoed 50th Lunar and Planetary Science Conference (2019), Abstract #2736 PDF abstract
Evidence for a Unique Carbonaceous Chondrite Parent Body (‘CX’) and Another One with a Dunitic Mantle
A. J. Irving, S. M. Kuehner, L. A. J. Garvie, K. Ziegler, M. E. Sanborn, Q.-Z. Yin, P. P. Sipiera, G. M. Hupe, B. Hoefnagels 50th Lunar and Planetary Science Conference (2019), Abstract #2542 PDF…
Northwest Africa 12273: Unique Ungrouped Metal-Rich Chondrite
C. B. Agee, Z. Vaci, K. Ziegler, M. N. Spilde 50th Lunar and Planetary Science Conference (2019), Abstract #1176 PDF abstract
Oxygen and Hydrogen Isotopic Evidence for the Existence of Several C1 Parent Bodies in the Early Solar System
M. Patzek, A. Bischoff, P. Hoppe, A. Pack, R. Visser, T. John 50th Lunar and Planetary Science Conference (2019), Abstract #1779 PDF abstract
Discovery of a Possible CM2 Carbonaceous Chondrite Parent Body in the Near-Earth Asteroid Population
M. R. M. Izawa, V. Reddy, L. Le Corre, A. McGraw, J. A. Sanchez, E. A. Cloutis, K. Yamashita, D. M. Applin, A. P. Jephcoat, B. J. Hall 50th Lunar and Planetary Science Conference (2019),…
Petrology and oxygen isotopic composition of large igneous inclusions in ordinary chondrites: Early solar system igneous processes and oxygen reservoirs
Alex M. Ruzicka, Richard C. Greenwood, Katherine Armstrong, Kristy L. Schepker, Ian A. Franchi Geochimica et Cosmochimica Acta LINK “Large (>3.5 mm and up to 4 cm across) igneous inclusions poor in metal and sulfide…
Formation of CV chondrules by recycling of amoeboid olivine aggregate-like precursors
Yves Marrocchi, Romain Euverte, Johan Villeneuve, Valentina Batanova, Benoit Welsch, Ludovic Ferrière, Emmanuel Jacquet Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 3 January 2019 LINK “We have studied porphyritic olivine-rich chondrules of…
Evidence for oxygen-isotope exchange in refractory inclusions from Kaba (CV3.1) carbonaceous chondrite during fluid-rock interaction on the CV parent asteroidOPEN ACCESS
Alexander N. Krot, Kazuhide Nagashima, Krisztián Fintor, Elemér Pál-Molnár Geochimica et Cosmochimica Acta LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report on the mineralogy, petrology, and in situ measured oxygen-isotope compositions of three Fluffy Type…
Intense aqueous alteration on C-type asteroids: Perspectives from giant fine-grained micrometeorites [GCA-D-18-00805]
M.D.Suttle, L.Folco, M.J.Genge, S.S.Russell, J.Najorka, M. van Ginneken Geochimica et Cosmochimica Acta LINK “This study explores the petrology of five giant (>400μm) hydrated fine-grained micrometeorites from the Transantarctic Mountain (TAM) micrometeorite collection. For the first…
Spectral Characterization of Analog Samples in Anticipation of OSIRIS-REx’s Arrival at Bennu: A Blind Test Study
K.L. Donaldson Hanna, D.L. Schrader, E.A. Cloutis, G.D. Cody, A.J. King, T.J. McCoy, D.M. Applin, J.P. Mann, N.E. Bowles, J.R. Brucato, H.C. Connolly Jr., E. Dotto, L.P. Keller, L.F. Lim, B.E. Clark, V.E. Hamilton, C….
Aqueous Alteration of Porous Microchondrules in Semarkona: Implications for Hydration, Oxidation and Elemental Exchange Processes
E. Dobrică, C. Le Guillou, A.J. Brearley Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 October 2018 LINK “Porous, igneous glassy microchondrules are relatively common in Semarkona and other unequilibrated ordinary chondrites…
Terrestrial exposure of a fresh Martian meteorite causes rapid changes in hydrogen isotopes and water concentrationsOPEN ACCESS
Alice Stephant, Laurence A. J. Garvie, Prajkta Mane, Richard Hervig & Meenakshi Wadhwa Scientific Reports 8, 12385 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Determining the hydrogen isotopic compositions and H2O contents of meteorites and their…
Collisional and alteration history of the CM parent body
Lionel G. Vacher, Yves Marrocchi, Johan Villeneuve, Maximilien J. Verdier-Paoletti, Matthieu Gounelle Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 10 August 2018 LINK “Boriskino is a little studied CM2 chondrite composed of…
Insights into the origin of carbonaceous chondrite organics from their triple oxygen isotope composition
Romain Tartèse, Marc Chaussidon, Andrey Gurenko, Frédéric Delarue, and François Robert PNAS August 6, 2018. 201808101; published ahead of print August 6, 2018. https://doi.org/10.1073/pnas.1808101115 LINK Significance “Refractory organic matter found in volatile-rich asteroidal materials essentially…
Organic and mineralogic heterogeneity of the Paris meteorite followed by FTIR hyperspectral imaging
Z. Dionnet, A. Aleon‐Toppani, D. Baklouti, F. Borondics, F. Brisset, Z. Djouadi, C. Sandt, R. Brunetto LINK Meteorit Planet Sci. . doi:10.1111/maps.13178 “Significant compositional and structural heterogeneity at nm to mm scales is an important…
Meteorite “Hocheppan” – a Forensic Study
Karl Wimmer published: 5 July 2018 LINK According to Meteoritic Bulletin entry “Hocheppan” an H5 chondrite of 1.236 kg with mostly intact fusion crust was found in October 2016 on a hillside covered with scree…
Meteorite reconnaissance in Saudi Arabia
Beda A. Hofmann, Edwin Gnos, A. J. Timothy Jull, Sönke Szidat, Ayman Majoub, Khalid Al Wagdani, Siddiq N. Habibullah, Mohammed Halawani, Mohammed Hakeem, Mahmoud Al Shanti, Abdulaziz Al Solami Meteoritics & Planetary Science First published:…
High pressure minerals in the Château-Renard (L6) ordinary chondrite: implications for collisions on its parent bodyOPEN ACCESS
Ioannis Baziotis, Paul D. Asimow, Jinping Hu, Ludovic Ferrière, Chi Ma, Ana Cernok, Mahesh Anand & Dan Topa Scientific Reportsvolume 8, Article number: 9851 (2018) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report the first…
Meteorite flaws and scaling for atmospheric entry
Kathryn L. Bryson, Daniel R. Ostrowski, Aline Blasizzo Planetary and Space Science Available online 28 June 2018 doi.org/10.1016/j.pss.2018.06.018 LINK “Highlights • Scale strength of meteorite to parent body using scaling factor. • Non-destructive technique to…
Aqueous alteration of the Martian meteorite Northwest Africa 817: Probing fluid–rock interaction at the nakhlite launch siteOPEN ACCESS
M. R. LeeL. Daly, B. E. Cohen, L. J. Hallis, S. Griffin, P. Trimby, A. Boyce, D. F. Mark Meteoritics & Planetary Science First published: 28 June 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The…
Redox-influenced trace element compositional differences among variably aqueously altered CM chondrites
Jon M. Friedrich, Neyda M. Abreu, Stephen F. Wolf, Julianne M. Troiano, Gregory L. Stanek Geochimica et Cosmochimica Acta Available online 27 June 2018 LINK “It is generally agreed that the CM chondrites are remarkably…
Isotope record of mineralogical changes in a spectrum of aqueously altered CM chondrites
Elishevah M.M.E. van Kooten, Larissa L. Cavalcante, Kazuhide Nagashima, Takeshi Kasama, Zoltan I. Balogh, Zan Peeters, Silver Sung-Yun Hsiao, Hsien Shang, Der-Chuen Lee, Typhoon Lee, Alexander N. Krot, Martin Bizzarro Geochimica et Cosmochimica Acta Available…
Terrestrial Ages of Meteorites Using in situ C-14 and Be-10 Measurements
Sliz M. U., Braucher R., Gattacceca J., Hofmann B. A., Jull A. J. T., Leya I., Szidat S., ASTER Team 81st Annual Meeting of The Meteoritical Society 2018 [#6297] abstract “We present the preliminary 14C/10Be…
Aqueous Alteration Characteristics of Mukundpura (CM2) Chondrite
Panda D. K., Ray D., Shukla A. D. 81st Annual Meeting of The Meteoritical Society 2018 [#6270] abstract “Hydrated minerals are commonly found in the carbonaceous chondrite due to high content of H2O (upto 10…
Particle size distributions in chondritic meteorites: Evidence for pre-planetesimal historiesOPEN ACCESS
J.I. Simon, J.N. Cuzzi, K.A. McCain, M.J. Cato, P.A. Christoffersen, K.R. Fisher, P. Srinivasan, A.W. Tait, D.M. Olson, J.D. Scargle Earth and Planetary Science Letters Volume 494, 15 July 2018, Pages 69–82 LINK (OPEN ACCESS)…
The nature of the L chondrite parent body’s disruption as deduced from high‐pressure phases in the Sixiangkou L6 chondrite
Li, S. and Hsu, W. Meteorit Planet Sci. . doi:10.1111/maps.13110 LINK “The disruption of the L chondrite parent body (LCPB) at ~470 Ma is currently the best‐documented catastrophic celestial impact event, based on the large…
Rapid effects of terrestrial alteration on highly siderophile elements in the Sutter’s Mill meteorite
Richard J. Walker, Qing‐Zhu Yin, Philipp R. Heck Meteoritics & Planetary Science Meteorit Planet Sci. . doi:10.1111/maps.13102 LINK “The 187Re‐187Os isotopic systematics of many bulk chondrites plot well beyond analytical uncertainties of a primordial isochron….
Identification of meteorite source regions in the solar systemOPEN ACCESS
Mikael Granvik, Peter Brown Icarus Available online 14 April 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Over the past decade there has been a large increase in the number of automated camera networks that monitor…
Ceres’ spectral link to carbonaceous chondrites — Analysis of the dark background materials
Michael Schäfer, Tanja Schäfer, Matthew R. M. Izawa, Edward A. Cloutis, Stefan E. Schröder, Thomas Roatsch, Frank Preusker, Katrin Stephan, Klaus‐Dieter Matz Meteorit Planet Sci. . doi:10.1111/maps.13079 LINK “Ceres’ surface has commonly been linked with…
Oxygen isotopic evidence for accretion of Earth’s water before a high-energy Moon-forming giant impactOPEN ACCESS
By Richard C. Greenwood, Jean-Alix Barrat, Martin F. Miller, Mahesh Anand, Nicolas Dauphas, Ian A. Franchi, Patrick Sillard, Natalie A. Starkey Science Advances 28 Mar 2018: Vol. 4, no. 3, eaao5928 DOI: 10.1126/sciadv.aao5928 LINK (OPEN…
Fe isotope composition of bulk chondrules from Murchison (CM2): Constraints for parent body alteration, nebula processes and chondrule-matrix complementarity
Dominik C. Hezel, Johanna S. Wilden, Daniel Becker, Sonja Steinbach, Markus Harak Earth and Planetary Science Letters, Volume 490, 15 May 2018, Pages 31-39 LINK “Highlights • We report the first Fe isotope data for…
The oxygen isotope compositions of olivine in main group (MG) pallasites: New measurements by adopting an improved laser fluorination approach
Ali, A., Jabeen, I., Banerjee, N. R., Osinski, G. R., Nicklin, I., Gregory, D. and Herrmann, P. Meteoritics & Planetary Science. doi: 10.1111/maps.13072 LINK “Oxygen isotope measurements of olivine in main group (MG) pallasites by…
The Surface Composition of Ceres from the Dawn Mission
Thomas B. McCord, Francesca Zambon Icarus Available online 14 March 2018 LINK “Highlights • This article provides the context for “Ceres mineralogical mapping special issue”; • We describe the global mineralogy of Ceres; • A…
Redistribution of Sr and rare earth elements in the matrices of CV3 carbonaceous chondrites during aqueous alteration in their parent bodyOPEN ACCESS
Kaori Jogo, Motoo Ito, Tomoki Nakamura, Sachio Kobayashi, Jong Ik Lee Earth, Planets and Space December 2018, 70:37 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We measured the abundances of Sr and rare earth elements (REEs)…
Cosmic History and a Candidate Parent Asteroid for the Quasicrystal-bearing Meteorite KhatyrkaOPEN ACCESS
Matthias M.M. Meier, Luca Bindi, Philipp R. Heck, April I. Neander, Nicole H. Spring, My E. I. Riebe, Colin Maden, Heinrich Baur, Paul J. Steinhardt, Rainer Wieler, Henner Busemann Submitted to Earth and Planetary Science…
Oxygen isotope systematics of chondrules in the Murchison CM2 chondrite and implications for the CO-CM relationship
Noël Chaumard, Céline Defouilloy, Noriko T. Kita Geochimica et Cosmochimica Acta Available online 5 March 2018 LINK “High-precision oxygen three-isotope measurements of olivine and pyroxene were performed on 29 chondrules in the Murchison CM2 chondrite…
