chondrite classification: Page 3

Barium stable isotopic composition of chondrites and its implication for the Earth

16/05/2022 23:02 · by karmaka · in aqueous alteration, CAI, carbonaceous chondrite, CI, CM, CO, CV, Earth

Linru Fang, Frederic Moynier, Fang Huang, Gengxin Deng, Lanlan Tian Chemical GeologyAvailable online 14 May 2022 LINK “Barium is a refractory and fluid mobile element that is highly incompatible in basaltic systems. The elemental and…

Asteroid 2008 TC3, not a polymict ureilitic but a polymict C1 chondrite parent body? Survey of 249 Almahata Sitta fragmentsOPEN ACCESS

14/05/2022 11:06 · by karmaka · in achondrite classification, Almahata Sitta, carbonaceous chondrite, chondrite classification, meteor/meteoroid/bolide, parent body, ureilite, witnessed fall

Addi Bischoff, Lukas Bannemann, Stephan Decker, Samuel Ebert, Siegfried Haberer, Ursula Heitmann, Marian Horstmann, Kerstin I. Klemm, Ann-Kathrin Kraemer, Sarah Lentfort, Markus Patzek, Jakob Storz, Mona Weyrauch MAPSVersion of Record online: 14 May 2022 LINK…

Artificial weathering of an ordinary chondrite: Recommendations for the curation of Antarctic meteoritesOPEN ACCESS

05/05/2022 13:44 · by karmaka · in ordinary chondrite, terrestrial weathering

Matthias van Ginneken, Vinciane Debaille, Sophie Decrée, Steven Goderis, Alan B. Woodland, Penelope Wozniakiewicz, Marleen De Ceukelaire, Thierry Leduc, Philippe Claeys MAPSVersion of Record online: 05 May 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Meteorites are…

Chondritic breccias: An optical microscopic classification

03/05/2022 17:04 · by karmaka · in chondrite classification, meteorite, ordinary chondrite

M. Kimura, A. Yamaguchi Polar ScienceIn Press, Journal Pre-proof, Available online 1 May 2022 LINK “Numerous meteorites are breccias, indicating asteroid collisions. Herein we systematically investigate brecciated chondrites to efficiently and quickly classify large numbers…

Isotopic and trace element data of Tissint indicate a homogeneous strewn field, mobilization of Sr, REE, and Pb during shock metamorphism, and limits on the incorporation of martian surficial materials in impact melt glass

26/04/2022 17:42 · by karmaka · in shergottite, shock metamorphism, Tissint, witnessed fall

S.E. Suarez, T.J. Lapen, M. Righter, B.L. Beard, A.J. Irving Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 26 April 2022 LINK “The Tissint strewn field has produced over 16 kg of material that…

The chemistry of the extraterrestrial carbonaceous stone “Hypatia”: A perspective on dust heterogeneity in interstellar spaceOPEN ACCESS

22/04/2022 10:35 · by karmaka · in early chronology, parent body, solar system

Jan D. Kramers, Georgy A. Belyanin, Wojciech J.Przybyłowicz, Hartmut Winkler, Marco A.G. Andreoli IcarusAvailable online 22 April 2022 LINK (OPEN ACCESS) “Highlights • The parent body of the carbonaceous, extraterrestrial stone “Hypatia” was primitive.• We…

GRO 95577 (CR1) as a mineralogical analogue for asteroid (101955) Bennu

21/04/2022 22:25 · by karmaka · in aqueous alteration, asteroid, B-type, carbonaceous chondrite, CR, OSIRIS-REx / 101955 Bennu, surface

Victoria E. Hamilton, Hannah H. Kaplan, Harold C. Connolly Jr, Cyrena A. Goodrich, Neyda M. Abreu, Amy A. Simon IcarusAvailable online 21 April 2022 LINK “Highlights • The only known CR1 meteorite is the best…

Experimental Simulations of Shock Textures in BCC Iron: Implications for Iron MeteoritesOPEN ACCESS

21/04/2022 10:14 · by karmaka · in iron, shock metamorphism

Eiji Ohtani, Toru Sakurabayashi, Kosuke Kurosawa Accepted for publication in Progress in Earth and Planetary Science PDF (OPEN ACCESS) Update (3 May 2022): Progress in Earth and Planetary SciencePublished: 03 May 2022 LINK (OPEN ACCESS)PDF…

Fe-Ni sulfides in Tagish Lake: Implications for nebular and parent body conditions of formation

21/04/2022 10:04 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, petrological type, Tagish Lake, ungrouped, witnessed fall

Miranda C. Holt, Christopher D. K. Herd MAPSVersion of Record online: 20 April 2022 LINK “This study examined nine pristine samples representing seven lithologies of the ungrouped C2 carbonaceous chondrite Tagish Lake from the University…

Preservation of Terrestrial Microorganisms and Organics Within Alteration Products of Chondritic Meteorites from the Nullarbor Plain, AustraliaOPEN ACCESS

18/04/2022 11:23 · by karmaka · in Mars, ordinary chondrite, organic matter, space missions, terrestrial weathering

Alastair W. Tait, Siobhan A. Wilson, Andrew G. Tomkins, Jessica L. Hamilton, Emma J. Gagen, Alex I. Holman, Kliti Grice, Louisa J. Preston, David J. Paterson, and Gordon Southam Astrobiology, Vol. 22, No. 4Published Online:…

Unique evidence of fluid alteration in the Kakowa (L6) ordinary chondriteOPEN ACCESS

12/04/2022 12:15 · by karmaka · in aqueous alteration, historic fall, L, ordinary chondrite, witnessed fall

I. P. Baziotis, C. Ma, Y. Guan, L. Ferrière, S. Xydous, J. Hu, M. A. Kipp, F. L. H. Tissot & P. D. Asimow Scientific Reports, Volume 12, Article number: 5520Published: 12 April 2022 LINK…

Measuring the shock stage of Itokawa and asteroid regolith grains by electron backscattered diffraction, optical petrography, and synchrotron X-ray diffraction

08/04/2022 07:20 · by karmaka · in asteroid, Hayabusa / (25143) Itokawa, S-type, shock metamorphism, space missions, surface

Michael Zolensky, James Martinez, Scott Sitzman, Takashi Mikouchi, Kenji Hagiya, Kazumasa Ohsumi, Mutsumi Komatsu, Tomoki Nakamura, Atsushi Takenouchi, Haruka Ono, Hikari Hasegawa, Kotaro Higashi, Yasuko Terada, Naoto Yagi, Masaki Takata, Hikaru Ozawa, Yuta Taki, Yuta…

Investigating S-type asteroid surfaces through reflectance spectra of ordinary chondritesOPEN ACCESS

03/04/2022 16:01 · by karmaka · in asteroid, ordinary chondrite, parent body, reflectance spectra, S-type, surface, UOC

J. Eschrig, L. Bonal, M. Mahlke, B. Carry, P.Beck, J. Gattacceca IcarusIn Press, Journal Pre-proof, Available online 3 April 2022 LINK Update (22 June 2022): PDF (OPEN ACCESS) “Highlights • Reflectance spectroscopy• Petrography• Unequilibrated Ordinary…

Characterization of achondritic cosmic spherules from the Widerøefjellet micrometeorite collection (Sør Rondane Mountains, East Antarctica)

29/03/2022 12:29 · by karmaka · in achondrite, micrometeorites, oxygen isotopes

Bastien Soens, Stepan M. Chernonozhkin, Claudia González de Vega, Frank Vanhaecke, Matthias van Ginneken, Philippe Claeys, Steven Goderis Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 29 March 2022 LINK “Achondritic micrometeorites represent one…

Petrochemistry and Oxygen Isotope of Karimati (L5) Chondrite, a 2009 Fall in Uttar Pradesh, India

28/03/2022 19:22 · by karmaka · in L, ordinary chondrite, oxygen isotopes, witnessed fall

D. Ray, D. K. Panda, G. Arora, S. Ghosh, S. V. S. Murty & S. Chakraborty Journal of the Geological Society of India, Volume 98, pages 323–328Published: 28 March 2022 LINK “Karimati, a single stone,…

Multiscale correlated analysis of the Aguas Zarcas CM chondriteOPEN ACCESS

24/03/2022 06:38 · by karmaka · in Aguas Zarcas, aqueous alteration, carbonaceous chondrite, CM, organic matter, witnessed fall

Zélia Dionnet, Alice Aléon-Toppani, Rosario Brunetto, Stefano Rubino, Martin D. Suttle, Cateline Lantz, Chrysa Avdellidou, Donia Baklouti, Ferenc Borondics, Zahia Djouadi, Francesco Greco, Eva Héripré, Tomoki Nakamura, Alessandra Rotundi, Mario Scheel MAPSVersion of Record online:…

Smooth rims in Queen Alexandra Range (QUE) 99177: Fluid–chondrule interactions and clues on the geochemical conditions of the primordial fluid that altered CR carbonaceous chondrites

20/03/2022 09:19 · by karmaka · in aqueous alteration, carbonaceous chondrite, chondrule, CR

Marina Martínez, Adrian J. Brearley Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 March 2022 LINK “Queen Alexandra Range (QUE) 99177 is one of the least altered CR carbonaceous chondrite known, with mineralogical…

In-situ O-isotope analysis of relict spinel and forsterite in small (<200μm) Antarctic micrometeorites – samples of chondrules & CAIs from carbonaceous chondrites

19/03/2022 17:13 · by karmaka · in CAI, carbonaceous chondrite, chondrule, micrometeorites, oxygen isotopes

N.G. Rudraswami, M.D. Suttle, Y. Marrocchi, S. Taylord, J. Villeneuve Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 March 2022 LINK “We report high-precision secondary ion mass spectrometer triple oxygen isotope systematics (95…

Distinguishing between terrestrial and extraterrestrial organic compounds in the CM2 Aguas Zarcas carbonaceous chondrite: Implications for intrinsic organic matter

16/03/2022 06:45 · by karmaka · in Aguas Zarcas, carbonaceous chondrite, CM, organic matter, terrestrial weathering, witnessed fall

Libby D. Tunney, Patrick J. A. Hill, Christopher D. K. Herd, Robert W. Hilts, Miranda C. Holt MAPSVersion of Record online: 15 March 2022 LINK “Soluble organic matter analyses of astromaterials can provide valuable information…

Organic compounds in the Tarda C2 ungrouped carbonaceous chondrite: Evaluating the sources of contamination in a desert fall

03/03/2022 17:21 · by karmaka · in carbonaceous chondrite, organic matter, Tarda, terrestrial weathering, ungrouped, witnessed fall

Libby D. Tunney, Patrick J. A. Hill, Christopher D. K. Herd, Robert W. Hilts MAPSVersion of Record online: 03 March 2022 LINK “Studying organic compounds in meteorites provides important insight into the chemical processes that…

Ancient and recent collisions revealed by phosphate minerals in the Chelyabinsk meteoriteOPEN ACCESS

24/02/2022 11:29 · by karmaka · in Chelyabinsk / Челябинск, LL, ordinary chondrite, parent body, radiometric dating, shock metamorphism, witnessed fall

Craig R. Walton, Oliver Shorttle, Sen Hu, Auriol S. P. Rae, Ji Jianglong, Ana Černok, Helen Williams, Yu Liu, Guoqiang Tang, Qiuli Li & Mahesh Anand Communications Earth & Environment, Volume 3, Article number: 40Published:…

Ultrafast structural response of shock-compressed plagioclaseOPEN ACCESS

16/02/2022 20:24 · by karmaka · in impact / impact-structures, shock metamorphism

Arianna E. Gleason, Sulgiye Park, Dylan R. Rittman, Alessandra Ravasio, Falko Langenhorst, Riccardo M. Bolis, Eduardo Granados, Sovanndara Hok, Thomas Kroll, Marcin Sikorski, Tsu-Chien Weng, Hae Ja Lee, Bob Nagler, Thomas Sisson, Zhou Xing, Diling…

Experimental and Theoretical Constraints on Amino Acid Formation from PAHs in Asteroidal SettingsOPEN ACCESS

15/02/2022 21:13 · by karmaka · in amino acids, aqueous alteration, asteroid, carbonaceous chondrite, organic matter

Claudia-Corina Giese, Inge Loes ten Kate, Martijn P. A. van den Ende, Mariette Wolthers, José C. Aponte, Eloi Camprubi, Jason P. Dworkin, Jamie E. Elsila, Suzanne Hangx, Helen E. King, Hannah L. Mclain, Oliver Plümper,…

The Famenin fall and other ordinary chondrites intermediate between H and L groupsOPEN ACCESS

14/02/2022 17:06 · by karmaka · in chondrite classification, Famenin, H, L, ordinary chondrite, witnessed fall

Hamed Pourkhorsandi, Jérôme Gattacceca, Pierre Rochette, Thomas Smith, Lydie Bonal, Massimo D’Orazio, Bertrand Devouard, Corinne Sonzogni, Vinciane Debaille Meteoritics & Planetary Scienceaccepted for publication, February 2022 LINK (OPEN ACCESS)PDF (DOWNLOAD) and PDF (OPEN ACCESS) Update…

Demagnetization of Ordinary Chondrites under Hydrostatic Pressure up to 1.8 GPa

10/02/2022 14:05 · by karmaka · in H, L, LL, ordinary chondrite, paleomagnetism, shock metamorphism

N. S. Bezaeva, J. Gattacceca, P. Rochette & R. A. Sadykov Geochemistry InternationalPublished: 09 February 2022 LINK “We present here the results of hydrostatic pressure demagnetization experiments up to 1.8 GPa on LL, L and…

Tracing Organic Contamination from Collection to Curation: Best Practices for the Recovery and Contamination Mitigation of Meteorites

05/02/2022 10:01 · by karmaka · in Aguas Zarcas, meteorite search & recovery, Tarda, terrestrial weathering, witnessed fall

Tunney L. D. Hill P. J. A. Herd C. D. K. Hilts R. W. PDF LPSC 2022 abstract [#2103] “In this study, we derive six key recommendations for recovering, handling, and curating freshly fallen meteorites.”

Brecciation on the Aguas Zarcas Parent Body Revealed Using Clast Petrofabrics

05/02/2022 09:58 · by karmaka · in Aguas Zarcas, carbonaceous chondrite, chondrule, CM, parent body, witnessed fall

Floyd C. J. * Macente A. Daly L. Hanna R. D. Lee M. R. PDF LPSC 2022 abstract [#1470] “Chondrules in chondrites / What secrets are they hiding / Fabrics reveal all.”

Noble Gases in the Very Primitive CM Chondrites Asuka 12085 and 12236 — Filling the Gap

05/02/2022 09:51 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, matrix

Pacnik H. Eckart L. M. Krietsch D. Maden C. Busemann H. * PDF LPSC 2022 abstract [#1987] “Noble gases confirm that A-12085 and 12236 are very primitive CMs; the accreted matrix contains Ar-rich grains that…

In-Situ Oxygen Isotope Study of Anhydrous Minerals in a Ryugu Particle: Implications for the Precursors to CI-Chondrite Parent Bodies

05/02/2022 09:28 · by karmaka · in carbonaceous chondrite, CI, Hayabusa-2 / 162173 Ryugu, oxygen isotopes, parent body

Liu M.-C. McCain K. A. Matsuda N. Yamaguchi A. Kimura M. et al. PDF LPSC 2022 abstract [#2276] “Ryugu’s olivine / Not only chondrule pieces / But also AOA remains.”

Organics and Their Relationship to Phyllosilicates in Ryugu, Orgueil and Ivuna: In Situ TEM and XANES Study

05/02/2022 09:22 · by karmaka · in aqueous alteration, carbonaceous chondrite, CI, Hayabusa-2 / 162173 Ryugu, terrestrial weathering

Le Guillou C. Bernard S. Leroux H. Noguchi T. Yurimoto H. et al. PDF LPSC 2022 abstract [#2099] “Organics in Ryugu are less oxygenated than CI chondrites. Either terrestrial weathering or parent body alteration conditions…

Olivine Compositional Variation of Asteroid Ryugu Samples: Possible Precursors of Ryugu’s Parent Asteroid

05/02/2022 09:20 · by karmaka · in CI, Hayabusa-2 / 162173 Ryugu, parent body

Mikouchi T. Nakamura T. Zolensky M. E. Yoshida H. Nakashima D. et al. PDF LPSC 2022 abstract [#1935] “Ryugu samples have rare olivine-bearing fragments, possible precursors of Ryugu’s parent asteroid. Ryugu olivines are compositionally similar…

The Oxygen Isotopic Composition of Hayabusa2 Particles: Testing the Relationship with CI and CY Chondrites

05/02/2022 00:18 · by karmaka · in carbonaceous chondrite, CI, CY, Hayabusa-2 / 162173 Ryugu, oxygen isotopes

Greenwood R. C. Findlay R. Franchi I. A. Malley J. A. Ito M. et al. PDF LPSC 2022 abstract [#2105] “High-precision oxygen isotope analysis of returned samples from asteroid Ryugu demonstrates a close affinity with…

The Oxygen Isotopic Composition of Samples Returned from Asteroid Ryugu: Evidence for Similarity to CI Chondrites

05/02/2022 00:13 · by karmaka · in carbonaceous chondrite, CI, Hayabusa-2 / 162173 Ryugu, oxygen isotopes

Young E. D. * Tang H. Tafla L. Pack A. Di Rocco T. et al. PDF LPSC 2022 abstract [#1290] “Oxygen isotope analyses of samples returned from asteroid Ryugu resemble CI chondrites but differ in…

Early History of Ryugu’s Parent Asteroid: Evidence from Return Sample

05/02/2022 00:02 · by karmaka · in Hayabusa-2 / 162173 Ryugu, parent body

Nakamura T. * Matsumoto M. Amano K. Enokido Y. Zolensky M. E. et al. PDF LPSC 2022 abstract [#1753] “Formation and evolution of Ryugu’s parent asteroid were estimated based on mineralogical and physical properties of…

Oxygen-Isotope Compositions of Chondrules in Metal-Rich Carbonaceous Chondrites Fountain Hills and Sierra Gorda 013

04/02/2022 17:28 · by karmaka · in carbonaceous chondrite, CB, CH, chondrule, oxygen isotopes

Krot A. N. Nagashima K. Ivanova M. A. Lauretta D. S. Libourel G. et al. PDF LPSC 2022 abstract [#1301] “O-isotope compositions of chondrules in Fountain Hills and Sierra Gorda 013 are similar to those…

Assessing the Oxygen Isotope Heterogeneity in Aguas Zarcas, Mukundpura and Kolang

04/02/2022 17:07 · by karmaka · in Aguas Zarcas, carbonaceous chondrite, CM, Kolang, Mukundpura, oxygen isotopes, witnessed fall

Findlay R. * Greenwood R. C. Franchi I. A. Anand M. King A. J. et al. PDF LPSC 2022 abstract [#2647] “Warm cosmic hot tub / Wet and dry are now as one / Juxtaposed…

Tarda and Tagish Lake: Samples from the Same Outer Solar System Asteroid?

04/02/2022 16:59 · by karmaka · in carbonaceous chondrite, parent body, Tagish Lake, Tarda, ungrouped, witnessed fall

Schrader D. L. * Davidson J. Foustoukos D. Alexander C. M. O’D. Torrano Z. A. et al. PDF LPSC 2022 abstract [#1157] “Space rocks so altered / Similar to each other / From same asteroid.”

Bulk synthesis of stoichiometric/meteoritic troilite (FeS) by high-temperature pyrite decomposition and pyrrhotite meltingOPEN ACCESS

27/01/2022 14:43 · by karmaka · in iron, meteorite, ordinary chondrite, planets/planetesimals, reflectance spectra, shock metamorphism, space weathering

Juulia-Gabrielle Moreau, Argo Jõeleht, Jaan Aruväli, Mikko J. Heikkilä, Aleksandra N. Stojic, Thomas Thomberg, Jüri Plado, Satu Hietala MAPSVersion of Record online: 27 January 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Stoichiometric troilite (FeS) is a…

Mid-infrared emissivity of partially dehydrated asteroid (162173) Ryugu shows strong signs of aqueous alterationOPEN ACCESS

18/01/2022 13:31 · by karmaka · in aqueous alteration, asteroid, carbonaceous chondrite, Cb-type, CI, CM, Hayabusa-2 / 162173 Ryugu, OSIRIS-REx / 101955 Bennu, space missions, surface

M. Hamm, M. Grott, H. Senshu, J. Knollenberg, J. de Wiljes, V. E. Hamilton, F. Scholten, K. D. Matz, H. Bates, A. Maturilli, Y. Shimaki, N. Sakatani, W. Neumann, T. Okada, F. Preusker, S. Elgner,…

Blaubeuren, Cloppenburg, and Machtenstein—Three recently recognized H-group chondrite finds in Germany with distinct terrestrial ages and weathering effectsOPEN ACCESS

17/01/2022 14:31 · by karmaka · in Blaubeuren, H, ordinary chondrite, terrestrial weathering

Addi Bischoff, Jakob Storz, Jean-Alix Barrat, Dieter Heinlein, A. J. Timothy Jull, Silke Merchel, Andreas Pack, Georg Rugel MAPSVersion of Record online: 17 January 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “In the last 7 years, three…

Fayalite formation through hydrothermal experiments: Insights into early fluid-assisted aqueous alteration processes on asteroids

12/01/2022 14:41 · by karmaka · in aqueous alteration, asteroid, CK, CV, matrix, ordinary chondrite, parent body

E. Dobrică, J. A. Nuth, A. J. Brearley MAPSVersion of Record online: 12 January 2022 LINK “In order to understand the effects of the earliest fluid-assisted hydration processes on asteroids, we performed one hydrothermal experiment…

The Formation of Type B CAIs: Evolution from Type A CAIs

07/01/2022 15:18 · by karmaka · in CAI, oxygen isotopes, refractory inclusions, type A, type B

G.J. MacPherson, A.N. Krot, N.T. Kita, E.S. Bullock, K. Nagashima, T. Ushikubo, M.A.Ivanova Geochimica et Cosmochimica ActaAvailable online 7 January 2022 LINK “Five Type A CAIs from three CV3 chondrites (Vigarano, Northwest Africa 3118, Allende),…

Formation, preservation and extinction of high-pressure minerals in meteorites: temperature effects in shock metamorphism and shock classificationOPEN ACCESS

05/01/2022 13:30 · by karmaka · in shock metamorphism

Jinping Hu & Thomas G. Sharp Progress in Earth and Planetary Science, Volume 9, Article number: 6 (2022), Published: 05 January 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The goal of classifying shock metamorphic features in…

Hydrothermal activities on C-complex asteroids induced by radioactivityOPEN ACCESS

05/01/2022 06:50 · by karmaka · in aqueous alteration, asteroid, C-type, carbonaceous chondrite, CM, thermal metamorphism

Wataru Fujiya, Hisato Higashi, Yuki Hibiya, Shingo Sugawara, Akira Yamaguchi, Makoto Kimura, Ko Hashizume Accepted for publication in The Astrophysical Journal Letters (17-Dec-2021) PDF (OPEN ACCESS) “C-complex asteroids, rich in carbonaceous materials, are potential sources…

A temporal shift of chondrule generation from the inner to outer Solar System inferred from oxygen isotopes and Al-Mg chronology of chondrules from primitive CM and CO chondrites

31/12/2021 17:04 · by karmaka · in carbonaceous chondrite, chondrule, chondrule formation, CM, CO, oxygen isotopes

Kohei Fukuda, Makoto Kimura, Naotaka Tomioka, Guillaume Siron, Takayuki Ushikubo, Noël Chaumard, Andreas T. Hertwig, Noriko T. Kita Geochimica et Cosmochimica ActaAvailable online 31 December 2021 LINK “Deciphering the spatial and temporal evolution of chondrules…

Nanoscale mineralogy and organic structure in Orgueil (CI) and EET 92042 (CR) carbonaceous chondrites studied with AFM-IR spectroscopyOPEN ACCESS

31/12/2021 15:44 · by karmaka · in analysis techniques, aqueous alteration, carbonaceous chondrite, CI, CR, matrix, organic matter, thermal metamorphism

Van T. H. Phan, Rolando Rebois, Pierre Beck, Eric Quirico, Lydie Bonal, Takaaki Noguchi MAPSVersion of Record online: 31 December 2021 LINK (OPEN ACCESS) “Meteorite matrices from primitive chondrites are an interplay of ingredients at…

Oxygen isotope variations in Mg-rich olivines from type I chondrules in carbonaceous chondrites

31/12/2021 10:48 · by karmaka · in carbonaceous chondrite, chondrule, chondrule formation, CO, oxygen isotopes

Guy Libourel, Kazuhide Nagashima, Marc Portail, Alexander N. Krot Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 31 December 2021 LINK “Using high-resolution cathodoluminescence (HR-CL) panchromatic imaging for the location of high-precision oxygen three-isotope…

Oxygen and magnesium mass-independent isotopic fractionation induced by chemical reactions in plasmaOPEN ACCESS

28/12/2021 00:32 · by karmaka · in early chronology, oxygen isotopes, solar system

François Robert, Marc Chaussidon, Adriana Gonzalez-Cano, and Smail Mostefaoui PNAS December 28, 2021 118 (52) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Abstract Enrichment or depletion ranging from −40 to +100% in the major isotopes 16O and…

Unique igneous textures and shock metamorphism of the Northwest Africa 7203 angrite: Implications for crystallization processes and the evolutionary history of the angrite parent body

24/12/2021 10:37 · by karmaka · in angrite, oxygen isotopes, shock metamorphism

Hideyuki Hayashi, Takashi Mikouchi, Nak Kyu Kim, Changkun Park, Yuji Sano, Atsushi Takenouchi, Akira Yamaguchi, Hiroyuki Kagi, Martin Bizzarro MAPSVersion of Record online: 23 December 2021 LINK “Northwest Africa (NWA) 7203 is a quenched angrite,…

Distant formation and differentiation of outer main belt asteroids and carbonaceous chondrite parent bodiesOPEN ACCESS

21/12/2021 06:43 · by karmaka · in accretion, asteroid, carbonaceous chondrite, differentiation, parent body, reflectance spectra, surface

H. Kurokawa, T. Shibuya, Y. Sekine, B. L. Ehlmann, F. Usui, S. Kikuchi, M. Yoda accepted for publication in AGU Advances PDF (OPEN ACCESS) Update: PDF (OPEN ACCESS) Water-rock reactions and their products in asteroids…

Exsolution in alkali feldspar in ordinary chondrites: Ubiquitous evidence for rapid cooling at high temperatures

20/12/2021 14:28 · by karmaka · in H, L, LL, ordinary chondrite, parent body, thermal metamorphism

Jonathan A. Lewis, Rhian H. Jones Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 20 December 2021 LINK “Thermal metamorphism in undisrupted ordinary chondrite (OC) parent bodies is thought to occur through the radioactive…

Indigenous Carbon-rich Matter Associated with Unusual Aqueous Alteration Features in Nakhla: Complex Formation and Preservation HistoryOPEN ACCESS

14/12/2021 18:59 · by karmaka · in aqueous alteration, Mars, nakhlite

Kathie L. Thomas-Keprta, Simon J. Clemett, Everett K.Gibson, Zia Rahman, Neha Baskar, Susan J. Wentworth, Nathaniel T. Keprta, David S. McKay Geochimica et Cosmochimica ActaAvailable online 14 December 2021 LINK (OPEN ACCESS) “While indigenous organic…

Experimental investigation of Fe-clay/organic interactions under asteroidal conditions

09/12/2021 17:31 · by karmaka · in aqueous alteration, asteroid, C-type, carbonaceous chondrite, organic matter, thermal metamorphism

J.-C. Viennet, C. Le Guillou, L. Remusat, F. Baron, L. Delbes, A.M. Blanchenet, B. Laurent, I. Criouet, S. Bernard Geochimica et Cosmochimica ActaAvailable online 9 December 2021 LINK “Carbonaceous chondrites contain both soluble and insoluble…

Shock experiments on basalt—Ferric sulfate mixes and their possible relevance to the sulfide bleb clusters in large impact melts in shergottites

09/12/2021 16:26 · by karmaka · in shergottite, shock metamorphism

M. N. Rao, L. E. Nyquist, P. D. Asimow, D. K. Ross, S. R. Sutton, T. H. See, C. Y. Shih, D. H. Garrison, S. J. Wentworth, J. Park Meteoritics & Planetary ScienceVersion of Record…

4M method – new application of Mössbauer spectroscopy to classification of meteorites. How it works?OPEN ACCESS

09/12/2021 07:25 · by karmaka · in analysis techniques, chondrite classification, H, L, LL, ordinary chondrite

Jolanta Gałązka-Friedman, Martyna Jakubowska, Marek Woźniak, Patrycja Bogusz, Łukasz Karwowski & Przemysław Duda Hyperfine Interactions, Volume 242, Article number: 55 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “4M method is a new application of Mössbauer spectroscopy…

Can Mӧssbauer methods of classifying ordinary chondrites help to identify non-representative samples of these meteorites?OPEN ACCESS

04/12/2021 17:13 · by karmaka · in analysis techniques, chondrite classification, ordinary chondrite

Martyna Jakubowska, Jolanta Gałązka-Friedman, Marek Woźniak, Patrycja Bogusz, Łukasz Karwowski & Przemysław Duda Hyperfine Interactions, Volume 242, Article number: 50 (2021), Published: 04 December 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Mössbauer spectra of nonweathered ordinary…

Alteration conditions on the CM and CV parent bodies – insights from hydrothermal experiments with the CO chondrite Kainsaz

03/12/2021 18:52 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, CO, CV, parent body

M.D. Suttle, A.J. King, N.K. Ramkissoon, E. Bonato, I.A. Franchi, J. Malley, P.F. Schofield, J. Najorka, T. Salge, S.S. Russell Geochimica et Cosmochimica Acta LINK “This study simulates the hydrothermal conditions that existed on carbonaceous…

Characterization of carbon phases in Yamato 74123 ureilite to constrain the meteorite shock historyOPEN ACCESS

28/11/2021 14:09 · by karmaka · in shock metamorphism, ureilite

Anna Barbaro, Fabrizio Nestola, Lidia Pittarello, Ludovic Ferrière, Mara Murri, Konstantin D. Litasov, Oliver Christ, Matteo Alvaro, and M. Chiara Domeneghetti American Mineralogistpreprint (peer-reviewed, final accepted version for American Mineralogist) PDF (OPEN ACCESS) Update (1…

Jadeite and related species in shocked meteorites: Limitations on inference of shock conditionsOPEN ACCESS

28/11/2021 13:54 · by karmaka · in L, ordinary chondrite, Ozerki, shock metamorphism, witnessed fall

Ioannis Baziotis, Stamatios Xydous, Angeliki Papoutsa, Jinping Hu, Chi Ma, Stephan Klemme, Jasper Berndt, Ludovic Ferrière, Razvan Caracas, and Paul D Asimow American Mineralogistpreprint (peer-reviewed, final accepted version for American Mineralogist) PDF (OPEN ACCESS) “Jadeite…

Oxygen and Aluminum-Magnesium Isotopic Systematics of Presolar Nanospinel Grains from CI Chondrite OrgueilOPEN ACCESS

26/11/2021 17:47 · by karmaka · in oxygen isotopes, presolar grains

Nan Liu, Nicolas Dauphas, Sergio Cristallo, Sara Palmerini, Maurizio Busso Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 26 November 2021 LINK PDF (OPEN ACCESS) “Presolar oxide grains have been previously divided into several…

Multiple shock events recorded in the Northwest Africa 2139 LL6 chondrite: Implications for collisional histories of the LL chondrite parent body

24/11/2021 15:35 · by karmaka · in LL, ordinary chondrite, parent body, shock metamorphism

Atsushi Takenouchi, Hirochika Sumino, Karin Shimodate, Akira Yamaguchi Meteoritics & Planetary ScienceVersion of Record online: 24 November 2021 LINK “LL chondrites have experienced multiple shock events; however, the relations of each shock event and their…

Dolomites In Hydrated Fine-Grained Antarctic Micrometeorites: Effective Tools For Analyzing Secondary Processes

19/11/2021 21:18 · by karmaka · in micrometeorites, shock metamorphism

E.Dobrică, K.K.Ohtaki, C. Engrand Geochimica et Cosmochimica ActaAvailable online 19 November 2021 LINK “We report detailed transmission electron microscope (TEM) observations of carbonates from one hydrated fine-grained Antarctic micrometeorite (H-FgMM). These carbonates show the occurrence…

Processes and temperatures of FGR formation in chondrites

19/11/2021 21:13 · by karmaka · in aqueous alteration, chondrule, chondrule formation, CO, CR, LL

P-M. Zanetta, C. Le Guillou, H. Leroux, B. Zanda, R. Hewins, G. Bellino Geochimica et Cosmochimica ActaAvailable online 19 November 2021 LINK “In order to understand the nature of the dust that accreted onto chondrules…

Experimental chondrite–water reactions under reducing and low-temperature hydrothermal conditions: Implications for incipient aqueous alteration in planetesimals

11/11/2021 17:36 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, CO, water

Sakiko Kikuchi, Takazo Shibuya, Mariko Abe, Katsuyuki Uematsu Geochimica et Cosmochimica ActaAvailable online 11 November 2021 LINK “The presence of hydrous minerals in carbonaceous chondrites has been considered as an important evidence for the former…

Anaerobic Microscopic Analysis of Ferrous Saponite and its Sensitivity to Oxidation by Earth’s Air: Lessons Learned for Analysis of Returned Samples from Mars and Carbonaceous AsteroidsOPEN ACCESS

11/11/2021 17:14 · by karmaka · in asteroid, chemical weathering, space missions, terrestrial weathering

Natsumi Noda, Shohei Yamashita, Yoshio Takahashi, Megumi Matsumoto, Yuma Enokido, Kana Amano, Takahiro Kawai, Hiroshi Sakuma, Keisuke Fukushi, Yasuhito Sekine, Tomoki Nakamura Minerals 2021, 11(11), 1244 LINK (OPEN ACCESS)PDF (DOWNLOAD) “Ferrous saponite is a secondary…

Abundance and importance of petrological type 1 chondritic materialOPEN ACCESS

07/11/2021 21:23 · by karmaka · in asteroid, carbonaceous chondrite, CI, CM, comet, CR, CY, D-type, micrometeorites, petrological type

Sara S. Russell, M. D. Suttle, A. J. King Meteoritics & Planetary ScienceVersion of Record online: 07 November 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We review the mineralogy, petrology, and abundance of petrological type 1…

Meteorite terrestrial ages in Oman based on gamma spectrometry and sediment dating, focusing on the Ramlat Fasad dense collection areaOPEN ACCESS

04/11/2021 23:17 · by karmaka · in H, L, LL, meteorite search & recovery, ordinary chondrite, radiometric dating, terrestrial ages, terrestrial weathering

Åke V. Rosén, Beda A. Hofmann, Frank Preusser, Edwin Gnos, Urs Eggenberger, Marc Schumann, Sönke Szidat Meteoritics & Planetary ScienceVersion of Record online: 04 November 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We combine the search…

Thermal metamorphism on the Moon as recorded by the granulite suiteOPEN ACCESS

02/11/2021 11:48 · by karmaka · in Moon, thermal metamorphism

John F. Pernet-Fisher and H. Joy Journal of the Geological Society, 28 October 2021Review LINK (OPEN ACCESS, limited time)PDF (OPEN ACCESS, limited time)Supplementary material “Thermally metamorphosed rocks on the Moon are an important, yet under-studied,…

Heating of carbonaceous materials: Insights into the effects of thermal metamorphism on spectral properties of carbonaceous chondrites and asteroids

01/11/2021 23:24 · by karmaka · in asteroid, C-type, carbonaceous chondrite, CM, organic matter, reflectance spectra, thermal metamorphism

Achen Duan, Yunzhao Wu, Edward A. Cloutis, Jinfei Yu, Shaolin Li, Yun Jiang Meteoritics & Planetary ScienceVersion of Record online: 01 November 2021 LINK “Carbonaceous chondrites (CCs) are important materials for understanding the early evolution…

Evolution of the parent body of enstatite (EL) chondritesOPEN ACCESS

30/10/2021 11:18 · by karmaka · in EL, enstatite chondrite, parent body

Mario Trieloff, Jens Hopp, Hans-Peter Gail IcarusIn Press, Journal Pre-proof, Available online 30 October 2021 LINK Update (9 November 2021, Draft version): PDF (OPEN ACCESS) “Highlights • EL chondrite thermochronological data are used to construct…

Addendum: Meteoritic evidence for a Ceres-sized water-rich carbonaceous chondrite parent asteroidOPEN ACCESS

25/10/2021 20:18 · by karmaka · in Almahata Sitta, carbonaceous chondrite, clast, parent body, ungrouped, witnessed fall

V. E. Hamilton, C. A. Goodrich, A. H. Treiman, H. C. Connolly Jr, M. E. Zolensky & M. H. Shaddad Nature AstronomyPublished: 25 October 2021 LINK Addendum to Nature Astronomy Meteoritic evidence for a Ceres-sized…

Constraints on the ice composition of carbonaceous chondrites from their magnetic mineralogy

22/10/2021 11:11 · by karmaka · in aqueous alteration, carbonaceous chondrite, CI, CM, CO, early chronology, ungrouped

Sanjana Sridhar, James F.J. Bryson, Ashley J. King, Richard J. Harrison Earth and Planetary Science LettersVolume 576, 15 December 2021, 117243 LINK “Highlights • Aqueous alteration was a key event during the history of carbonaceous…

Aqueous Alteration on Asteroids Simplifies Soluble Organic Matter MixturesOPEN ACCESS

21/10/2021 16:10 · by karmaka · in aqueous alteration, asteroid, carbonaceous chondrite, organic matter, Tagish Lake

Junko Isa, François-régis Orthous-Daunay, Pierre Beck, Christopher D. K. Herd, Veronique Vuitton, and Laurène Flandinet The Astrophysical Journal Letters, Volume 920, Number 2 LINK PDF (OPEN ACCESS) “Biologically relevant abiotic extraterrestrial soluble organic matter (SOM)…

Mineralogy, petrology, and oxygen‐isotope compositions of magnetite ± fayalite assemblages in CO3, CV3, and LL3 chondrites

20/10/2021 23:34 · by karmaka · in carbonaceous chondrite, CO, CV, LL, ordinary chondrite, oxygen isotopes, UOC

Alexander N. Krot, Patricia M. Doyle, Kazuhide Nagashima, Elena Dobrică, Michail I. Petaev Meteoritics & Planetary ScienceFirst Published: 20 October 2021 LINK “We report on the mineralogy, petrology, and O-isotope compositions of magnetite and fayalite…

Natural and experimental high-pressure, shock-produced terrestrial and extraterrestrial materialsOPEN ACCESS

19/10/2021 10:38 · by karmaka · in Earth, impact / impact-structures, meteorite, shock metamorphism

Masaaki Miyahara, Naotaka Tomioka & Luca Bindi Progress in Earth and Planetary Science, Volume 8, Article number: 59 (2021), REVIEW LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Hypervelocity impacts are among the fundamental phenomena occurring during the…

Plagioclase alteration and equilibration in ordinary chondrites: Metasomatism during thermal metamorphism

11/10/2021 18:06 · by karmaka · in H, L, LL, ordinary chondrite, thermal metamorphism

Jonathan A. Lewis, Rhian H. Jones, Adrian J. Brearley Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 11 October 2021 LINK “In ordinary chondrites (OCs), feldspar is present both in chondrules as a primary,…

Space Weathering of the 3-micron Phyllosilicate Feature induced by Pulsed Laser IrradiationOPEN ACCESS

11/10/2021 12:06 · by karmaka · in aqueous alteration, asteroid, CI, CM, reflectance spectra, space weathering, surface

B.S Prince, M.J. Loeffler Icarus, available online 11 October 2021 PDF (OPEN ACCESS) LINK “Highlights • The effects of laser irradiation on CI and CM simulant samples have been studied using in situ spectroscopy of…

Dating martian mafic crust; microstructurally constrained baddeleyite geochronology of enriched shergottites Northwest Africa (NWA) 7257, NWA 8679 and ZagamiOPEN ACCESS

06/10/2021 06:47 · by karmaka · in shergottite, shock metamorphism

Leanne G. Staddon, James R. Darling, Winfried H. Schwarz, Natasha R. Stephen, Sheila Schuindt, Joseph Dunlop, Kimberly T. Tait Geochimica et Cosmochimica ActaAvailable online 5 October 2021 LINK (OPEN ACCESS) “Baddeleyite (monoclinic; m-ZrO2) is a…

Spectrally blue hydrated parent body of asteroid (162173) RyuguOPEN ACCESS

05/10/2021 12:23 · by karmaka · in aqueous alteration, asteroid, B-type, Cb-type, Hayabusa-2 / 162173 Ryugu, space missions, space weathering, thermal metamorphism

Eri Tatsumi, Naoya Sakatani, Lucie Riu, Moe Matsuoka, Rie Honda, Tomokatsu Morota, Shingo Kameda, Tomoki Nakamura, Michael Zolensky, Rosario Brunetto, Takahiro Hiroi, Sho Sasaki, Sei’ichiro Watanabe, Satoshi Tanaka, Jun Takita, Cédric Pilorget, Julia de León,…

Eucrite-type achondrites: Petrology and oxygen isotope compositionsOPEN ACCESS

04/10/2021 16:38 · by karmaka · in eucrite, oxygen isotopes

David W. Mittlefehldt, Richard C. Greenwood, Eve L. Berger, Loan Le, Zhan X. Peng, D. Kent Ross Meteoritics & Planetary ScienceVersion of Record online: 04 October 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “We report petrologic…

An experimental study on oxygen isotope exchange reaction between CAI melt and low-pressure water vapor under simulated Solar nebular conditionsOPEN ACCESS

23/09/2021 08:31 · by karmaka · in CAI, oxygen isotopes, type B

Daiki Yamamoto, Noriyuki Kawasaki, Shogo Tachibana, Michiru Kamibayashi, Hisayoshi Yurimoto Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 23 September 2021 LINK (OPEN ACCESS) “Calcium-aluminum-rich inclusions (CAIs) are known as the oldest high-temperature mineral…

Determination of phase relations of the olivine–ahrensite transition in the Mg2SiO4–Fe2SiO4 system at 1740 K using modern multi-anvil techniquesOPEN ACCESS

21/09/2021 12:23 · by karmaka · in L, ordinary chondrite, shock metamorphism

Artem Chanyshev, Dmitry Bondar, Hongzhan Fei, Narangoo Purevjav, Takayuki Ishii, Keisuke Nishida, Shrikant Bhat, Robert Farla & Tomoo Katsura Contributions to Mineralogy and Petrology, Volume 176, Article number: 77 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS)…

Tracing the earliest stages of hydrothermal alteration on the CM chondrite parent body

02/09/2021 15:04 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, parent body, thermal metamorphism

A. J. King, E. Mason, H. C. Bates, P. F. Schofield, K. L. Donaldson Hanna, N. E. Bowles, S. S. Russell Meteoritics & Planetary ScienceVersion of Record online: 02 September 2021 LINK “The CM carbonaceous…

Quantitative determination of the shock stage of L6 ordinary chondrites using X-ray diffraction

01/09/2021 16:44 · by karmaka · in analysis techniques, L, ordinary chondrite, shock metamorphism

Naoya Imae, Makoto Kimura American MineralogistSeptember 01, 2021, Vol.106, 1470-1479. doi:https://doi.org/10.2138/am-2021-7554 LINK “The shock stages of 14 L6 ordinary chondrites are estimated using the random X-ray diffraction patterns of polished thin section samples and the…

Stress and strain during shock metamorphism

01/09/2021 16:33 · by karmaka · in impact / impact-structures, shock metamorphism

Auriol S.P. Rae, Michael H. Poelchau, Thomas Kenkmann Icarus In Press, Journal Pre-proof, Available online 1 September 2021 LINK “Highlights • We show the orientation and magnitude of stress and strain in shock waves during…

Elucidation of impact event recorded in the lherzolitic shergottite NWA 7397

29/08/2021 13:21 · by karmaka · in shergottite, shock metamorphism

Masashi Yoshida, Masaaki Miyahara, Hiroki Suga, Akira Yamaguchi, Naotaka Tomioka, Takeshi Sakai, Hiroaki Ohfuji, Fumiya Maeda, Itaru Ohira, Eiji Ohtani, Seiji Kamada, Takuji Ohigashi, Yuichi Inagaki, Yu Kodama, Naohisa Hirao Meteoritics & Planetary ScienceVersion of…

Formation mechanisms of ringwoodite: clues from the Martian meteorite Northwest Africa 8705OPEN ACCESS

24/08/2021 17:49 · by karmaka · in martian, shergottite, shock metamorphism

Ting Zhang, Sen Hu, Nian Wang, Yangting Lin, Lixin Gu, Xu Tang, Xinyu Zou & Mingming Zhang Earth, Planets and Space volume 73, Article number: 165 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Ringwoodite and wadsleyite…

Petrography and Shock Metamorphism of the Lunar Breccia Meteorite NWA 13120OPEN ACCESS

20/08/2021 15:42 · by karmaka · in lunar, shock metamorphism

Zhipeng Xia, Bingkui Miao, Chuantong Zhang, Hongyi Chen, Lanfang Xie, P.M. Ranjith, Yikai Zhang, Bowen Si Minerals 2021, 11(8), 899 LINK (OPEN ACCESS)PDF (PDF DOWNLOAD) “Lunar meteorites are the fragments of rocks that fell on…

Conditions of chondrule formation in ordinary chondrites

16/08/2021 17:23 · by karmaka · in carbonaceous chondrite, chondrule, chondrule formation, ordinary chondrite, oxygen isotopes

Maxime Piralla, Johan Villeneuve, Valentina Batanova, Emmanuel Jacquet, Yves Marrocchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 16 August 2021 LINK “Chondrules are sub-millimetric spheroids that are ubiquitous in chondrites and whose formation…

Chondrule flattening by shock recovery experiments on unequilibrated chondrites

02/08/2021 08:45 · by karmaka · in chondrule, H, L, ordinary chondrite, shock metamorphism, UOC

Masaaki Miyahara, Junnosuke Edanaga, Akira Yamaguchi, Takamichi Kobayashi, Toshimori Sekine, Ayaka Nakamura Journal of Geophysical Research: PlanetsFirst Published: 30 July 2021 LINK “Key Points Shock-recovered H/L3 chondrites show melting onset at above 11 GPa and…

Constraints on planetesimal accretion inferred from particle-size distribution in CO chondritesOPEN ACCESS

28/07/2021 10:13 · by karmaka · in accretion, asteroid, carbonaceous chondrite, chondrule, CO, refractory inclusions, thermal metamorphism

Gabriel A. Pinto, Yves Marrocchi, Alessandro Morbidelli, Sébastien Charnoz, Maria Eugenia Varela, Kevin Soto, Rodrigo Martínez, Felipe Olivares Accepted in ApJL PDF (OPEN ACCESS) “The formation of planetesimals was a key step in the assemblage…

Complicated pressure – temperature path recorded in the eucrite Padvarninkai

26/07/2021 15:17 · by karmaka · in eucrite, shock metamorphism

Masaaki Miyahara, Akira Yamaguchi, Eiji Ohtani, Naotaka Tomioka, Yu Kodama Meteoritics & Planetary ScienceFirst Published: 26 July 2021 LINK “High-pressure minerals in the eucrite Padvarninkai were investigated. Parts of anorthitic plagioclase and tridymite in the…

Identification and pairing reassessment of unequilibrated ordinary chondrites from four Antarctic dense collection areas

25/07/2021 12:41 · by karmaka · in chondrite classification, ordinary chondrite, UOC

Kevin Righter, John Schutt, Nicole Lunning, Ralph Harvey, James Karner Meteoritics & Planetary ScienceFirst Published: 24 July 2021 LINK “New analyses of Cr2O3 contents of olivines from type II chondrules in unequilibrated chondrites (UOC) from…

Quantitative shock measurement of olivine in ureilite meteorites

20/07/2021 09:54 · by karmaka · in shock metamorphism, ureilite

Yaozhu Li, Phil J. A. McCausland, Roberta L. Flemming Meteoritics & Planetary ScienceVersion of Record online: 19 July 2021 LINK “Ureilites are the second most abundant achondrite meteorite group, yet they are from an unknown…

Ultrafast olivine-ringwoodite transformation during shock compressionOPEN ACCESS

14/07/2021 15:41 · by karmaka · in asteroid, shock metamorphism

Takuo Okuchi, Yusuke Seto, Naotaka Tomioka, Takeshi Matsuoka, Bruno Albertazzi, Nicholas J. Hartley, Yuichi Inubushi, Kento Katagiri, Ryosuke Kodama, Tatiana A. Pikuz, Narangoo Purevjav, Kohei Miyanishi, Tomoko Sato, Toshimori Sekine, Keiichi Sueda, Kazuo A. Tanaka,…

Petrology and classification of A-9003, A 09535, and Y-82094: A new type of carbonaceous chondrite

13/07/2021 16:41 · by karmaka · in carbonaceous chondrite, chondrite classification, ungrouped

M. Kimura, R. C. Greenwood, M. Komatsu, N. Imae, A. Yamaguchi, R. Sato Meteoritics & Planetary ScienceVersion of Record online: 12 July 2021 LINK “Most carbonaceous (C) chondrites are classified into eight major groups: CI,…

Minimum perihelion distances and associated dwell times for near-Earth asteroidsOPEN ACCESS

08/07/2021 14:58 · by karmaka · in asteroid, carbonaceous chondrite, ordinary chondrite, parent body, parent body

Athanasia Toliou, Mikael Granvik, Georgios Tsirvoulis Monthly Notices of the Royal Astronomical Society, stab1934Published: 08 July 2021 LINK PDF (OPEN ACCESS) (preprint) “The observed near-Earth asteroid population contains very few objects with small perihelion distances,…

Mineralogy of fine-grained matrix, fine-grained rim, chondrule rim, and altered mesostasis of a chondrule in Asuka 12169, one of the least altered CM chondrites

04/07/2021 16:27 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM

Takaaki Noguchi, Masahiro Yasutake, Akira Tsuchiyama, Akira Miyake, Makoto Kimura, Akira Yamaguchi, Naoya Imae, Kentaro Uesugi, Akihisa Takeuchi Polar ScienceAvailable online 3 July 2021 LINK “Mineralogy of fine-grained matrix (FGM), fine-grained rim (FGR), chondrule rim,…

O-Isotope Signatures of Olivine and Pyroxene Grains in C1 and CM-Like Clasts

02/07/2021 18:06 · by karmaka · in carbonaceous chondrite, CI, clast, CM, oxygen isotopes

Patzek M., Bischoff A., Ludwig T., Whitehouse M., Trieloff M., Visser R., John T. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6096) PDF The olivine and pyroxene grains in C1 clasts seem…

Revising the Angrite Fractionation Line: New Insights from High-Precision Oxygen Isotope Studies

02/07/2021 17:59 · by karmaka · in angrite, oxygen isotopes

Rider-Stokes B. G., Greenwood R. C., Anand M., Franchi I. A., White L. F. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6071) PDF Here we present new oxygen isotope data for angrite…

Investigating the Origin of Oxygen Isotopic Variations in Meteorites

02/07/2021 17:07 · by karmaka · in AOA, CAI, oxygen isotopes, refractory inclusions

Burbine T. H., Greenwood R. C. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6210) PDF We are currently undertaking modeling to investigate how the oxygen isotopic variations seen in meteorites can be…

Oxygen Isotope Reservoirs in the Solar Nebula

02/07/2021 17:04 · by karmaka · in CAI, chondrite components, early chronology, oxygen isotopes, solar system

Desch S. J., Mane P., Dunham E. T., Williams C. D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6244) PDF Our astrophysical model combining magnetic forces on dust during star formation and…

Ungrouped Chondrite Chug-Chug 086

01/07/2021 20:41 · by karmaka · in chondrite classification, F chondrite, H, ungrouped

Ivanova M. A., Zinovieva N. G., Franchi I. A., Lorenz C. A., Teplyakova S. N. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6108) PDF A new ungrouped chondrite Chug-Chug 086 has affinities…

Detection of Incipient Aqueous Alteration in Carbonaceous Chondrites

01/07/2021 20:18 · by karmaka · in aqueous alteration, carbonaceous chondrite, thermal metamorphism, ungrouped

Krämer Ruggiu L., Devouard B., Gattacceca J., Bonal L., Leroux H., Eschrig J., Borschneck D., King A., Beck P., Marrocchi Y., Debaille V., Hanna R. D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract…

Magnetite-Rich C2-ung Chondrites and Their Asteroidal Parent Bodies

01/07/2021 20:14 · by karmaka · in carbonaceous chondrite, parent body, ungrouped

Hewins R. H., Zanetta P.-M., Zanda B., Le Guiillou C., Leroux H., Brunetto R., Maupin R., Djouadi Z., Gattacceca J., Sognzoni C., Pont S., Piani L., Rigaudier T., Bernard S., Deldicque D., Malarewicz V., Dionnet…

Newly Recognized Classes of Type 3 Carbonaceous Chondrites with Extreme Oxygen Isotopic Compositions Beyond the CCAM Trend

01/07/2021 19:04 · by karmaka · in carbonaceous chondrite, oxygen isotopes, parent body, ungrouped

Irving A. J., Garvie L. A. J., Carpenter P. K., Ziegler K. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6218) PDF Three new types of ungrouped carbonaceous chondrite from Northwest Africa have…

PAH Content of CM Chondrites: Influence of Aqueous Alteration on the Parent Body?

01/07/2021 18:43 · by karmaka · in Aguas Zarcas, aqueous alteration, carbonaceous chondrite, CM, Kolang, Mukundpura, Tarda, ungrouped, witnessed fall

Lecasble M., Remusat L., Viennet J.-C., Laurent B., Bernard S. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6205) PDF We extracted PAHs from Mukundpura, Aguas Zarcas, Kolang and Tarda. PAH concentration and…

Phyllosilicate Rich Rims in Mukundpura Meteorite: Implications for Parent Body Aqueous Alteration

01/07/2021 18:40 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, Mukundpura, witnessed fall

Baliyan S., Ray D. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6247) PDF This study focuses on the origin and alteration of fine-grained rims in Mukundpura meteorite (CM2).

Experimental Alteration of Insoluble Organic Matter of the Paris Meteorite

01/07/2021 18:25 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, organic matter

Laurent B., Holin M., Beyssac O., Brunetto R., Brunelle A., Bouvier C., Remusat L. * 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6202) PDF The Paris IOM was subjected to aqueous alteration…

Thermal History of Asteroid Parent Bodies Is Reflected in Their Metalorganic ChemistryOPEN ACCESS

30/06/2021 18:20 · by karmaka · in achondrite, carbonaceous chondrite, CM, CO, CR, CV, L, LL, NWA 7325, ordinary chondrite, organic matter, parent body, parent body, thermal metamorphism, ungrouped

Marco Matzka, Marianna Lucio, Basem Kanawati, Eric Quirico, Lydie Bonal, Stefan Loehle, and Philippe Schmitt-Kopplin The Astrophysical Journal Letters, Volume 915, Number 1, Published: 30 June 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Organo-magnesium compounds were…

A spectral investigation of aqueously and thermally altered CM, CM-an and CY chondrites under simulated asteroid conditions for comparison with OSIRIS-REx and Hayabusa2 observationsOPEN ACCESS

22/06/2021 17:19 · by karmaka · in aqueous alteration, asteroid, B-type, carbonaceous chondrite, Cb-type, CI, CM, CY, Hayabusa-2 / 162173 Ryugu, OSIRIS-REx / 101955 Bennu, reflectance spectra, space missions, surface, thermal metamorphism, ungrouped

H. C Bates, K. L. Donaldson Hanna, A. J. King, N. E. Bowles, S. S. Russell JGR PlanetsFirst Published: 17 June 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Key Points Parameters associated with different degrees of…

High-resolution observations of bright boulders on asteroid Ryugu: 2. Spectral propertiesOPEN ACCESS

19/06/2021 10:17 · by karmaka · in asteroid, C-type, Cb-type, reflectance spectra, S-type, surface, thermal metamorphism

Rie Honda, Shingo Kameda, Yosuhiro Yokota, Koki Yumoto, Minami Aoki, Daniella N. DellaGiustina, Tatsuhiro Michikami, Takahiro Hiroi, Deborah L. Domingue, Patrick Michel, Stefan Schröder, Tomoki Nakamura, Manabu Yamada, Naoya Sakatani, Toru Kouyama, Chikatoshi Honda, Masahiko…

The pre-atmospheric hydrogen inventory of CM carbonaceous chondritesOPEN ACCESS

19/06/2021 09:50 · by karmaka · in carbonaceous chondrite, CM, organic matter, terrestrial weathering, water

Martin R. Lee, Benjamin E. Cohen, Adrian J. Boyce, Lydia J. Hallis, Luke Daly Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 19 June 2021 LINK (OPEN ACCESS) “Highlights • Up to half of…

Progressive aqueous alteration and iron oxidation record in the matrix of Mukundpura CM2 chondrite, a new fall

12/06/2021 15:17 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, Mukundpura, witnessed fall

D. Ray, S. Baliyan, C. Nayak Advances in Space ResearchAvailable online 12 June 2021 LINK “Highlights • Mukundpura- a matrix-rich CM2, fresh fall.• Matrix shows evidences of progressive alteration.• Iron speciation record is consistent with…

Exploring the link between molecular cloud ices and chondritic organic matter in laboratoryOPEN ACCESS

10/06/2021 15:52 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, organic matter

G. Danger, V. Vinogradoff, M. Matzka, J-C. Viennet, L. Remusat, S. Bernard, A. Ruf, L. Le Sergeant d’Hendecourt & P. Schmitt-Kopplin Nature Communications, Volume 12, Article number: 3538 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Carbonaceous…

Response of silicate chemical composition variation on thermal metamorphism of ordinary chondrites and classification of petrologic types: the case of L chondrites from Grove Mountains, Antarctica

05/06/2021 10:09 · by karmaka · in L, ordinary chondrite, thermal metamorphism

Chuantong Zhang, Bingkui Miao, Zhipeng Xia, Qinglin Xie Acta GeochimicaPublished: 05 June 2021 LINK “Highlights The chemical groups and petrologic types of the selected seven Antarctic chondrites were L3.7, L3.8, L3.9, L3.9/4, L4, L5 and…

Noble gases in CM carbonaceous chondrites: Effect of parent body aqueous and thermal alteration and cosmic ray exposure agesOPEN ACCESS

03/06/2021 09:21 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, cosmic ray exposure age (CRE), noble gases, thermal metamorphism, ungrouped

Daniela Krietsch, Henner Busemann, My E.I. Riebe, Ashley J. King, Conel M.O’D. Alexander, Colin Maden Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 3 June 2021 LINK (OPEN ACCESS) “Like most primitive carbonaceous chondrites,…

Impacts may provide heat for aqueous alteration and organic solid formation on asteroid parent bodiesOPEN ACCESS

18/05/2021 19:33 · by karmaka · in aqueous alteration, asteroid, impact / impact-structures, organic matter

Minami Yasui, Taku Tazawa, Ryohei Hashimoto, Masahiko Arakawa & Kazunori Ogawa Communications Earth & Environment, Volume 2, Article number: 95 (2021) LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Chemical reactions on asteroid parent bodies, such as aqueous…

The effects of Antarctic alteration and sample heterogeneity on Sm-Nd and Lu-Hf systematics in H chondrites

12/05/2021 06:53 · by karmaka · in H, ordinary chondrite, radiometric dating, terrestrial weathering

Ryoga Maeda, Steven Goderis, Vinciane Debaille, Hamed Pourkhorsandi, Geneviève Hublet, Philippe Claeys Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 12 May 2021 LINK “Long-lived radioactive isotope systematics, such as Sm-Nd and Lu-Hf, are…

Chronological constraints on the thermal evolution of ordinary chondrite parent bodies from the 53Mn-53Cr systemOPEN ACCESS

01/05/2021 10:53 · by karmaka · in accretion, chondrule formation, early chronology, ordinary chondrite, parent body, solar system, thermal metamorphism

Aryavart Anand, Jonas Pape, Martin Wille, Klaus Mezger Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 1 May 2021 LINK (OPEN ACCESS) “The 53Mn-53Cr isotope systematics in ordinary chondrites constrains the accretion and thermal…

Raman spectral peak positions of olivine (Fo‐Fa) as fast methodology for classifying chondrites

26/04/2021 23:02 · by karmaka · in analysis techniques, carbonaceous chondrite, chondrite classification

Bruno Leonardo do Nascimento‐Dias, Tatiane Peters Donato, Maria Elizabeth Zucolotto, Virgílio de Carvalho dos Anjos Journal of Raman SpectroscopyFirst published: 25 April 2021 LINK “Chondrites are the most common meteorites in the world. However, the…

Origins of colors variability among C-cluster main-belt asteroidsOPEN ACCESS

21/04/2021 07:42 · by karmaka · in asteroid, B-type, C-type, carbonaceous chondrite, CM, parent body, reflectance spectra, space weathering, surface

Pierre Beck, Olivier Poch IcarusAvailable online: 21 April 2021 LINK Update (6 May 2021): PDF (OPEN ACCESS) “Highlights • A C-type cluster is identified by an SDSS colors & albedo cluster analysis.• The C-cluster matches…

The Loongana (CL) group of carbonaceous chondritesOPEN ACCESS

16/04/2021 07:37 · by karmaka · in carbonaceous chondrite, chondrite classification, CL

Knut Metzler, Dominik C. Hezel, Jens Barosch, Elias Wölfer, Jonas M. Schneider, Jan L. Hellmann, Jasper Berndt, Andreas Stracke, Jérôme Gattacceca, Richard C. Greenwood, Ian A. Franchi, Christoph Burkhardt, Thorsten Kleine Geochimica et Cosmochimica ActaIn…

Oxygen isotope systematics of crystalline silicates in a giant cluster IDP: A genetic link to Wild 2 particles and primitive chondrite chondrules

13/04/2021 16:09 · by karmaka · in CB, CH, chondrule, comet, CR, oxygen isotopes

Mingming Zhang, Céline Defouilloy, David J. Joswiak, Donald E. Brownlee, Daisuke Nakashima, Guillaume Siron, Kouki Kitajima, Noriko T. Kita Earth and Planetary Science LettersVolume 564, 15 June 2021, 116928 LINK “Highlights • Five out of…

Thermal metamorphism of CM chondrites: A dehydroxylation‐based peak‐temperature thermometer and implications for sample return from asteroids Ryugu and BennuOPEN ACCESS

08/04/2021 14:25 · by karmaka · in asteroid, C-type, carbonaceous chondrite, CM, Hayabusa-2 / 162173 Ryugu, meteor/meteoroid/bolide, organic matter, OSIRIS-REx / 101955 Bennu, space missions, thermal metamorphism

Michael A. Velbel, Michael E. Zolensky Meteoritics & Planetary ScienceVersion of Record online: 08 April 2021 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The target bodies of C‐complex asteroid sample return missions are carbonaceous chondrite‐like near‐Earth asteroids…

Thermal metamorphic history of Antarctic CV3 and CO3 chondrites inferred from the first- and second-order Raman peaks of polyaromatic organic carbon

01/04/2021 08:16 · by karmaka · in carbonaceous chondrite, CO, CV, organic matter, thermal metamorphism

Mehmet Yesiltas, Jordan Young, Timothy D. Glotch American Mineralogist (2021) 106 (4): 506–517 LINK “Parent body thermal metamorphism is an important process that alters the structure of organic matter in the parent asteroid of meteorites….

Aqueous alteration and bioalteration of a synthetic enstatite chondriteOPEN ACCESS

28/03/2021 20:09 · by karmaka · in aqueous alteration, enstatite chondrite, terrestrial weathering

Caroline Avril, Valérie Malavergne, Eric D. van Hullebusch, Fabrice Brunet, Stephan Borensztajn, Jérôme Labanowski, Louis Hennet, François Guyot Meteoritics & Planetary ScienceVersion of Record online: 28 March 2021 LINK Update: PDF (OPEN ACCESS) “Understanding the…

The Fe/S ratio of pyrrhotite group sulfides in chondrites: An indicator of oxidation and implications for return samples from asteroids Ryugu and BennuOPEN ACCESS

26/03/2021 23:57 · by karmaka · in aqueous alteration, carbonaceous chondrite, ordinary chondrite, R chondrite, thermal metamorphism

Devin L. Schrader, Jemma Davidson, Timothy J. McCoy, Thomas J. Zega, Sara S. Russell, Kenneth J. Domanik, Ashley J. King Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 26 March 2021 LINK (OPEN ACCESS)…

Exploring relationships between shock-induced microstructures and H2O and Cl in apatite grains from eucrite meteoritesOPEN ACCESS

26/03/2021 23:50 · by karmaka · in eucrite, shock metamorphism

T.J. Barrett, A. Černok, G. Degli-Alessandrini, X. Zhao, M. Anand, I.A. Franchi, J.R. Darling Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 26 March 2021 LINK (OPEN ACCESS) “The abundance and isotopic composition of…

Apatite halogen and hydrogen isotope constraints on the conditions of hydrothermal alteration in carbonaceous chondrites

26/03/2021 09:34 · by karmaka · in aqueous alteration, carbonaceous chondrite, CI, CM, ungrouped

Maxime Piralla, Romain Tartèse, Yves Marrocchi, Katherine H. Joy Meteoritics & Planetary ScienceVersion of Record online: 26 March 2021 LINK “Apatite has been widely used for assessing the volatile inventory and hydrothermal fluid compositions of…

A new method for determining the petrologic type of unequilibrated ordinary chondrites that can be applied to asteroids

25/03/2021 17:37 · by karmaka · in ordinary chondrite, petrological type, UOC

Derek Sears, Daniel Ostrowski, Heather Smith, Adonay Sissay, Mihir Trivedi IcarusIn Press, Journal Pre-proof, Available online 25 March 2021 LINK “Highlights • Clinopyroxene in type 3 ordinary chondrites is determined from IR spectra.• This enables…

Radiogenic Pb mobilization induced by shock metamorphism of zircons in the Apollo 72255 Civet Cat norite clast

23/03/2021 19:13 · by karmaka · in lunar, Moon, shock metamorphism

Bidong Zhang, Yangting Lin, Desmond E. Moser, Jialong Hao, Yu Liu, Jianchao Zhang, Ivan R.Barker, Qiuli Li, Sean R.Shieh, Audrey Bouvier Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 23 March 2021 LINK “In…

The relationship between CM and CO chondrites: Insights from combined analyses of titanium, chromium, and oxygen isotopes in CM, CO, and ungrouped chondritesOPEN ACCESS

10/03/2021 22:12 · by karmaka · in carbonaceous chondrite, chondrite classification, CL, CM, CM-CO, CO, parent body, ungrouped

Zachary A. Torrano, Devin L. Schrader, Jemma Davidson, Richard C. Greenwood, Daniel R.Dunlap, Meenakshi Wadhwa Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 10 March 2021 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “A close…

Benford’s law: Applications to ordinary‐chondrite mass distributions

09/03/2021 13:28 · by karmaka · in meteor/meteoroid/bolide, meteorite, ordinary chondrite, terrestrial weathering

Alan E. Rubin Meteoritics & Planetary ScienceVersion of Record online: 09 March 2021 LINK “For ordinary‐chondrite (OC) mass distributions, Benford’s law applies to the set of individual objects that survive intact on the Earth’s surface…

Hydrogen isotopic exchange kinetics between organic matter and water: Implications for chemical evolution during meteorite parent body processing

09/03/2021 13:20 · by karmaka · in aqueous alteration, organic matter, water

Yoko Kebukawa, Sachio Kobayashi, Noriyuki Kawasaki, Ying Wang, Hisayoshi Yurimoto, George D. Cody Meteoritics & Planetary ScienceVersion of Record online: 09 March 2021 LINK “The large variations in hydrogen isotope ratios found in insoluble organic…

The role of post-shock heating by plastic deformation during impact devolatilization of calciteOPEN ACCESS

05/03/2021 09:28 · by karmaka · in impact / impact-structures, shock metamorphism, thermal metamorphism

Kosuke Kurosawa, Hidenori Genda, Shintaro Azuma, Keishi Okazaki accepted for publication in Geophysical Research Letters PDF (OPEN ACCESS) “An accurate understanding of the relationship between the impact conditions and the degree of shock-induced thermal metamorphism…

Visible-infrared spectroscopy of ungrouped and rare meteorites brings further constraints on meteorite-asteroid connectionsOPEN ACCESS

01/03/2021 19:28 · by karmaka · in asteroid, B-type, carbonaceous chondrite, Cg-type, parent body, reflectance spectra, S-type, ungrouped, ungrouped

L. Krämer Ruggiu, P. Beck, J. Gattacceca, J. Eschrig IcarusIn Press, Journal Pre-proof, Available online 1 March 2021 LINK Update (6 May 2021): PDF (OPEN ACCESS) “The composition of asteroids gives crucial insights into the…

Chromium isotopic insights into the origin of chondrite parent bodies and the early terrestrial volatile depletion

27/02/2021 17:34 · by karmaka · in accretion, carbonaceous chondrite, CB, CH, CK, CM, CM-CO, CO, CR-CH-CB, CV, CV-CK, CV-oxA, CV-oxB, CV-red, early chronology, Earth, parent body, solar system

Ke Zhu 朱柯, Frédéric Moynier, Martin Schiller, Conel M. O’D. Alexander, Jemma Davidson, Devin L. Schrader, Elishevah van Kooten, Martin Bizzarro Geochimica et Cosmochimica ActaAvailable online 27 February 2021 LINK “Chondrites are meteorites from undifferentiated…

Micro-distribution of Oxygen Isotopes in Unequilibrated Enstatite Chondrites

25/02/2021 23:55 · by karmaka · in chondrule, chondrule formation, chondrule precursor, EH, EL, enstatite chondrite, oxygen isotopes, refractory inclusions

Michael K. Weisberg, Noriko T. Kita, Kohei Fukuda, Guillaume Siron, Denton S.Ebel Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 25 February 2021 LINK “We report petrology and high precision, in situ oxygen isotope…

Oxygen isotope systematics of chondrules in the Paris CM2 chondrite: indication for a single large formation region across snow line

18/02/2021 09:04 · by karmaka · in carbonaceous chondrite, chondrule, chondrule formation, CM, oxygen isotopes

Noël Chaumard, Céline Defouilloy, Andreas T. Hertwig, Noriko T. Kita Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 February 2021 LINK “In-situ oxygen three-isotope analyses of chondrules and isolated olivine grains in the…

Thermal alteration of CM carbonaceous chondrites: mineralogical changes and metamorphic temperaturesOPEN ACCESS

16/02/2021 09:45 · by karmaka · in aqueous alteration, carbonaceous chondrite, CM, thermal metamorphism, ungrouped

Ashley J. King, Paul F. Schofield, Sara S. Russell Accepted for publication in Geochimica et Cosmochimica Acta PDF (OPEN ACCESS) Update (18 February 2021):LINK “The CM carbonaceous chondrite meteorites provide a record of low temperature…

Mineralogy, petrology, geochemistry, and chronology of the Murrili (H5) meteorite fall: The third recovered fall from the Desert Fireball Network

13/02/2021 09:16 · by karmaka · in H, Murrili, noble gases, ordinary chondrite, oxygen isotopes, witnessed fall

S. Anderson, G. K. Benedix, L. V. Forman, L. Daly, R. C. Greenwood, I. A. Franchi, J. M. Friedrich, R. Macke, S. Wiggins, D. Britt, J. M. Cadogan, M. M. M. Meier, C. Maden, H….

Evaluating the O‐Cr‐Mo isotope signatures in various meteorites representing core–mantle–crust fragments: Implications for partially differentiated planetesimal(s) accreted in the early outer solar system

08/02/2021 08:54 · by karmaka · in achondrite, CV, iron, pallasite, parent body, ungrouped, ungrouped

Arshad Ali, Iffat Jabeen Meteoritics & Planetary ScienceVersion of Record online: 07 February 2021 LINK “The Allende, Eagle Station pallasites (ESP), some ungrouped achondrites (UA), and ungrouped irons (UI) represent different types of meteorites; these…

A Study of Chromium and Silicon Nitrides in Carbonaceous Chondrites

07/02/2021 21:14 · by karmaka · in accretion, carbonaceous chondrite, CL, CM, CR, CR-CH-CB, CV, parent body

Leitner J., Vollmer C., Harries D., Kodolányi J., Ott U., et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #1878 PDF “We identified Si3N4 and CrN in metal-sulfide grains in a set of carbonaceous…

Hydrothermal Ammoniation of Chondrites: Implications for Ceres

07/02/2021 19:57 · by karmaka · in aqueous alteration, carbonaceous chondrite, Ceres, R chondrite, Tagish Lake, ungrouped

Izawa M. R. M., Koutoula E., Stancu M.-N., Yamashita S., Okuchi T. et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2247 PDF “Hydrothermal reactions between carbonaceous chondrites and ammonia-water solutions do not produce…

Stalking a Large Carbonaceous Chondrite Asteroid Using ε54Cr-Δ17O Isotope Systematics of the Unique Xenolith Almahata Sitta 202

07/02/2021 17:03 · by karmaka · in Almahata Sitta, carbonaceous chondrite, clast, CR, parent body, ureilite, witnessed fall

Miller A. M., Dey S., Yin Q.-Z., Goodrich C. A., Hamilton V. E., et al. 52nd Lunar and Planetary Science Conference (2021), Abstract #2360 PDF “Xenolithic clast, unique among the regolith: Who was your parent?”