It’s MetSoc time, though slightly early for 2025- the meeting is in the Southern Hemisphere this year, Perth AU. No, I am not flying there. I’ll just have to content myself online.
https://www.hou.usra.edu/meetings/metsoc2025/technical_program/
Monday, July 14, 2025
Day one, and what a day. Highlights, in my humble opinion (though pretty much everything is at least a little relevant):
Returned Samples from Asteroids 1
Ishida S. et al.
Comparison of Reflectance Spectra Between Samples from Carbonaceous Asteroids Bennu and Ryugu [#5199]
Takase T. et al.
Diversity of Reflectance Spectra and Mineralogy of Samples from Asteroids Ryugu and Bennu [#5101]
Zhu K. et al.
Internal Isotopic Structure of Ryugu Suggests It Derives from Ivuna-Like Parent Body [#5206]
Mikouchi T. et al.
Lithology Comparison Between Ryugu Samples and CI Chondrites: An Update [#5211]
Flynn G. J. et al.
Aqueous Processing on Asteroid Ryugu: Differences Between Ryugu and Bennu [#5025]
Tkalcec B. J. et al.
Rare-Earth Element Distribution Within Apatite-Dolomite-Magnesite Veins in a Rock Fragment from Asteroid Bennu [#5284]
Zolensky M. et al.
Isotopic Analysis of Astromaterial Aqueous Fluid Inclusions [#5141]
Sugahara H. et al. Hayabusa2 Initial Analysis SOM Team
Investigation of Solvent-Extractable Organosulfur Compounds in Asteroid Ryugu by Two-Dimensional Gas Chromatography/Time-of-Flight Mass Spectrometry [#5184]
Pilorget C. et al.
HAMP (Hydrated Ammonium-Magnesium-Phosphorus-Rich) Grains in Ryugu Samples with Major Biochemical Potential [#5120]
Matsumoto T. et al.
GEMS-Like Objects in an Aggregate of Organic Globules in Ryugu Grain [#5103]
Nittler L. R. et al.
A NanoSIMS Investigation of H, C, and N Isotopes in the Tarda (C2-Ung) and Oued Chebeika 002 (CI1) Chondrites [#5272]
Busemann H. et al.
Invited Presentation: Noble Gases in Ryugu, Bennu, and CI Chondrites Including Oued Chebeika 002 [#5257]
Nagao K. et al.
Primordial Argon Showing a Sharp Release Peak at 800℃ by a Stepwise Pyrolysis on Ryugu Samples Collected by the Hayabusa2 Spacecraft [#5275]
Returned Samples from Asteroids 2
Sakurai R. et al.
3D Shape of the Sample Returned from Bennu and a Comparison with Ryugu [#5160]
Nottingham M. et al.
Atom Probe Tomography of Regolith from Itokawa [#5242]
Timms N. E. et al.
Microstructural Evidence of Impacts in Bennu Samples [#5107]
Nakamura T. et al.
Invited Presentation: Distribution of Micro-Craters on the Surface of a Ryugu Sample [#5167]
Melendez L. E. et al.
Space Weathering on Ryugu as Revealed by Coordinated Sample Analysis [#5214]
Asteroidal Achondrites
Rider-Stokes B. G. et al.
Invited Presentation: Rapid Protoplanetary Formation in the Outer Solar System Recorded by Dunite from the CC Reservoir [#5054]
Honda R. et al.
Were There Multiple Angritic Planetesimals? Implication from Petrology and Oxygen Isotopic Composition of “Angrite” Bir Zar 011 [#5222]
Debaille V. et al.
Very Early Differentiation Evidenced by Al-Mg Systematics in Acapulcoites and Lodranites [#5217]
Isotope Anomalies
Brennecka G. A. et al.
An Elemental and Multi-Isotopic View of Bennu’s Nucleosynthetic Heritage [#5098]
Schönbächler M. et al.
Formation Region of Bennu’s Parent Body and Its Close Genetic Relationship to CI Chondrites [#5170]
McCain K. A. et al.
Towards Understanding Li and B Isotopic Anomalies in Primitive Carbonaceous Chondrites [#5282]
Sun H. et al.
Invited Presentation: Triple Si Isotope Constrains on the Building Blocks of the Earth [#5250]