Nitrogen-rich organics from comets probed by ultra-carbonaceous Antarctic micrometeorites
J. Rojas, J. Duprat, E. Dartois, T-D. Wu, C. Engrand, L. R. Nittler, N. Bardin, L. Delauche, S. Mostefaoui, L. Remusat, R. M. Stroud & B. Guérin Nature Astronomy, Published: 10 September 2024 LINK “The…
Chondrule-like objects and a Ca-Al-rich inclusion from comets or comet-like icy bodies
Takaaki Noguchi, Daisuke Nakashima, Takayuki Ushikubo, Wataru Fujiya, Noriaki Ohashi, John P. Bradley, Tomoki Nakamura, Noriko T. Kita, Peter Hoppe, Hidemi Ishibashi, Makoto Kimura, Naoya Imae Geochimica et Cosmochimica ActaAvailable online 6 August 2024 LINK…
Chrome-rich spinels in micrometeorites from modern Antarctic sedimentary deposits
Flore Van Maldeghem, Ryoga Maeda, Bastien Soens, Martin D. Suttle, Lisa Krämer Ruggiu, Carole Cordier, Akira Yamaguchi, Birger Schmitz, Philippe Claeys, Luigi Folco, Steven Goderis Earth and Planetary Science LettersVolume 641, 1 September 2024, 118837…
Multiscale Evidence for Weathering and the Preservation of Carbonaceous Material in an Antarctic MicrometeoriteOPEN ACCESS
Mark R. Boyd, Julia A. Cartwright, Jaspreet Singh, Paul A.J. Bagot, Charlotte L. Bays, Queenie H.S. Chan, Matthew J. Genge, Michael P. Moody Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 28 August 2023…
Antarctica: links to chondritic parent bodies and the effects of alteration
Flore Van Maldeghem, Matthias van Ginneken, Bastien Soens, Felix Kaufmann, Seppe Lampe, Lisa Krämer Ruggiu, Lutz Hecht, Philippe Claeys, Steven Goderis Geochimica et Cosmochimica ActaAvailable online 10 June 2023 LINK “Micrometeorites originate from the interplanetary…
Antarctic micrometeorite composed of CP and CS IDP-like material: A micro-breccia originated from a partially ice-melted comet-like small body
Takaaki Noguchi, Rikako Matsumoto, Hikaru Yabuta, Hanae Kobayashi, Akira Miyake, Hiroshi Naraoka, Ryuji Okazaki, Naoya Imae, Akira Yamaguchi, A. L. David Kilcoyne, Yasuo Takeichi, Yoshio Takahashi MAPSVersion of Record online: 20 October 2022 LINK “Asteroids…
In-situ O-isotope analysis of relict spinel and forsterite in small (<200μm) Antarctic micrometeorites – samples of chondrules & CAIs from carbonaceous chondrites
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…
Mineralogical Comparison Between Asteroid Ryugu Samples Returned by the Hayabusa2 Spatial Mission and Antarctic Micrometeorites (AMMs)
Bejach L. Engrand C. Duprat J. Dartois E. Mathurin J. et al. PDF LPSC 2022 abstract [#1924] “Ryugu samples are made of phyllosilicates, magnetite, Fe sulfides, carbonates, rare apatite. AMMs show similar magnetite structures (~5%),…
O-Isotope Signatures of Olivine and Pyroxene Grains in C1 and CM-Like Clasts
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…
The micrometeorite flux at Dome C (Antarctica), monitoring the accretion of extraterrestrial dust on EarthOPEN ACCESS
J. Rojas, J. Duprat, C. Engrand, E. Dartois, L. Delauche, M. Godard, M. Gounelle, J.D. Carrillo-Sánchez, P. Pokorný, J.M.C. Plane Earth and Planetary Science LettersVolume 560, 15 April 2021, 116794 LINK (OPEN ACCESS) “Highlights •…
X‐ray computed tomography: Morphological and porosity characterization of giant Antarctic micrometeorites
Zelia Dionnet, Martin D. Suttle, Andrea Longobardo, Alessandra Rotundi, Luigi Folco, Vincenzo Della Corte, Andrew King Meteoritics & Planetary ScienceVersion of Record online:23 June 2020 LINK “Giant micrometeorites (MMs; 400–2000 µm) are exceedingly rare and…
Cosmic spherules from Widerøefjellet, Sør Rondane Mountains (East Antarctica)
Steven Goderis, Bastien Soens, Matthew S. Huber, Seann McKibbin, Matthias van Ginneken, Flore Van Maldeghema, Vinciane Debaille, Richard C. Greenwood, Ian A. Franchi, Veerle Cnudde, Stijn Van Malderen, Frank Vanhaecke, Christian Koeberl, Dan Topa, Philippe…
Mineralogy and oxygen isotope systematics of magnetite grains and a magnetite‐dolomite assemblage in hydrated fine‐grained Antarctic micrometeorites
Elena Dobrică, Ryan C. Ogliore, Cécile Engrand, Kazuhide Nagashima, Adrian J. Brearley Meteoritics & Planetary Science First Published: 21 July 2019 LINK “We report the mineralogy and texture of magnetite grains, a magnetite‐dolomite assemblage, and…
Accumulation mechanisms of micrometeorites in an ancient supraglacial moraine at Larkman Nunatak, AntarcticaOPEN ACCESS
Matthew J. Genge, Matthias Ginneken, Martin D. Suttle, Ralph P. Harvey Meteoritics & Planetary Science First published: 16 May 2018 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We report the discovery of a large accumulation of…
Characterization of the organic matter and hydration state of Antarctic micrometeorites: A reservoir distinct from carbonaceous chondrites
M. Battandier, L. Bonal, E. Quirico, P. Beck, C. Engrand, J. Duprat, E. Dartois Icarus Volume 306, 15 May 2018, Pages 74-93 LINK “Highlights • 35 Antarctic micrometeorites (AMMs) studied in Raman and IR spectroscopies….