New research in the Center – Buseck Center for Meteorite Studies

The recent annual meeting of the Meteoritical Society in Glasgow, Scotland, included new findings from Center researchers.

Click on the titles below to learn more about what we're working on!

PRESOLAR OXIDE AND CARBONCEOUS GRAINS IN ASTEROID RYUGU AND IVUNA.
J. Barosch, B. De Gregorio, R. M. Stroud, L. R. Nittler and the Hayabusa2-initial-analysis Chemistry & IOM teams, H. Yurimoto, H. Yabuta, T. Nakamura, T. Noguchi, R. Okazaki, H. Naraoka, K. Sakamoto, S. Watanabe, Y. Tsuda and S. Tachibana

DETECTION OF WATER AND HELIUM FROM SOLAR WIND IN SPACE WEATHERED SAMPLES.
K. D. Burgess, B. A. Cymes, R. M. Stroud

PRESERVATION OF VOLATILES IN FROZEN LUNAR SAMPLES: ELECTRON MICROSCOPY OF ANGSA SAMPLES PREPARED BY ULTRAMICROTOMY.
B. A. Cymes, K. D. Burgess, R. M. Stroud, and The ANGSA Science Team

THE IMPORTANCE OF CLASTIC MATERIAL IN CR CHONDRITES.
J. Davidson and D. L. Schrader

WATER ON MARS: CORRELATED MICROSCALE ANALYSES OF HYDROGEN ISOTOPES, WATER CONTENTS, AND REDOX STATE IN MARTIAN PYROXENES.
J. Davidson, M. Wadhwa, S. R. Sutton, and R. L. Hervig

FUNCTIONAL GROUP COMPOSITIONS OF MACROMOLECULAR ORGANIC GRAINS IN (162173) RYUGU IN RELATION TO CARBONACEOUS CHONDRITES.

T. De Gregorio, G. D. Cody, R. M. Stroud, A. L. D. Kilcoyne, S. Sandford, L. R. Nittler, J. Barosch, H. Yabuta, Y. Kebukawa, T. Okumura, M. Hashiguchi, S. Yamashita, Y. Takeichi, Y. Takahashi, H. Yurimoto, T. Nakamura, T. Noguchi, R. Okazaki, H. Naraoka, K. Sakamoto, S. Tachibana, S. Watanabe, Y. Tsuda, and The Hayabusa2 Initial Analysis organic macromolecule team.

WATER ON THE MOON: INSIGHTS FROM NOMINALLY ANHYDROUS PYROXENE IN THE LUNAR BASALTIC METEORITE ELEPHANT MORAINE 96008.

A. G. Distel, J. Davidson, M. Wadhwa, and R. L. Hervig

DEHYDRATION DECOMPOSITION OF PHYLLOSILICATES IN THE C-TYPE ASTEROID RYUGU MATERIAL BY SPACE WEATHERING.
T. Noguchi, T. Matsumoto, A. Miyake, Y. Igami, M. Haruta, H. Saito, S. Hata, Y. Seto , M. Miyahara, N. Tomioka, H. A. Ishii, J. P. Bradley, K. Ohtaki, E. Dobrică, H. Leroux, C. Le Guillou, D. Jacob, F. de la Peña, S. Laforet, M. Marinova, F. Langenhorst, D. Harries, P. Beck, T. H. V. Phan, R. Rebois, N. M. Abreu , J. Gray, T. Zega, P-M. Zanetta, M. S. Thompson, R. Stroud, K. Burgess, B. A. Cymes, J. C. Bridges, L. Hicks, M. R. Lee, L. Daly, P. A. Bland, W. Smith, S. McFadzean, P-E. Martin, P.A.J. Bagot, D. Fougerouse, D. W. Saxey, S. Reddy, W. D. A. Rickard, M. E. Zolensky, D. R. Frank, J. Martinez, A. Tsuchiyama, M. Yasutake, J. Matsuno, S. Okumura, I. Mitsukawa, K. Uesugi, M. Uesugi, A. Takeuchi, M. Sun, S. Enju, A. Takigawa, T. Michikami, T. Nakamura, M. Matsumoto, Y. Nakauchi, H. Yurimoto, K. Nagashima, N. Kawasaki, N. Sakamoto, R. Okazaki, H. Yabuta, H. Naraok , K. Sakamoto, S. Tachibana, S., Watanabe, Y. Tsuda

COMBINED IRON AND SILICON ISOTOPE COMPOSITIONS OF UNGROUPED ACHONDRITES: EVALUATING THE ROLE OF DEGREE OF DIFFERENTIATION AND REDOX CONDITIONS.
S. Ray, D. L. Schrader, V.K. Rai, M. Wadhwa

The Isotopic Composition of Ultra-Carbonaceous Antarctic Micrometeorites Organics, Ion-Irradiation of Isotopically Heterogeneous Ices.
J. Rojas, J. Duprat, E. Dartois, T-D. Wu, C. Engrand, L. R. Nittler, N. Bardin, B. Augé, Ph. Boduch, H. Rothard, M. Chabot, L. Delauche, S. Mostefaoui, L. Rémusat, R. M. Stroud, B. Guérin

IIAB IRON METEORITES: FORMATION AND RELATION TO OTHER METEORITE GROUPS.
D. L. Schrader, T. J. McCoy, J. Davidson, N. G. Lunning, Z. A. Torrano, R. Windmill, K. Nagashima, C. M. Corrigan, R. C. Greenwood, V. K. Rai, and M. Wadhwa

PENTLANDITE IN CHONDRITES: A COMPOSITIONAL INDICATOR OF OXYGEN FUGACITY.
D. L. Schrader, T. J. Zega, J. Davidson, T. J. McCoy, and K. J. Domanik

ANALYTICAL ELECTRON MICROSCOPY OF ORGANIC MATTER IN RETURNED SAMPLES FROM ASTEROID RYUGU.
R. M. Stroud, B. T. De Gregorio, K. D. Burgess, B. Cymes, J. Barosch, L. R. Nittler, T. Okumura, M. Hashiguchi, H. Yabuta, T, Noguchi and the Hayabusa2 Macromolecular Organics and Sand Initial Analysis Teams.

FORMATION OF FE WHISKERS THROUGH SIMULATED MICROMETEOROID BOMBARDMENT.
M. S. Thompson, D. L. Schrader, J. Davidson, and T. J. Zega

IRON AND CHROMIUM VALENCES OF PYROXENES IN THE LUNAR BASALTIC METEORITE ELEPHANT MORAINE 96008: IMPLICATIONS FOR REDOX CONDITIONS AND MAGMATIC PROCESSES ON THE MOON.

M. Wadhwa, R. Sutton, A. Lanzirotti, A. G. Distel, and J. Davidson

AN UPDATED OVERVIEW OF MACROMOLECULAR ORGANIC MATTER IN THE C-TYPE ASTEROID RYUGU SAMPLES.

H. Yabuta, G. D. Cody, C. Engrand, Y. Kebukawa, B. De Gregorio, L. Bonal6 , L. Remusat, R. Stroud, E. Quirico, L. R. Nittler, M. Hashiguchi, M. Komatsu, E. Dartois, J. Mathurin, J. Duprat, T. Okumura, Y. Takahashi, Y. Takeichi, D. Kilcoyne, S. Yamashita, A. Dazzi, A. Deniset-Besseau, S. Sandford, Z. Martins, Y. Tamenori, T. Ohigashi, H. Suga, D. Wakabayashi, M. Verdier-Paoletti, S. Mostefaoui, G. Montagnac, J. Barosch, K. Kamide, M. Shigenaka, L. Bejach, S. Vitale, D. Aoki, K. Fukushima, S. Sugita, K. Yumoto, N. Sugimoto, T. Noguchi, H. Yurimot, T. Nakamura, R. Okazaki, H. Naraoka, K. Sakamoto, S. Tachibana, S. Watanabe, and Y. Tsuda