Updating the Urey-Craig diagram: The iron redox states of the building blocks of the outer solar systemOPEN ACCESS 

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Kana Amano, Jean-Christophe Viennet, Pierre Beck, François Guyot, Sergey Yaroslavtsev, Dimitrios Bessas, Aleksandr Chumakov, Ludovic Delbes, Olivier Poch, Mathieu Roskosz LINK + PDF (OPEN ACCESS) “Highlights “The iron speciation and valence state of meteorites reflect…

The variety and origin of materials accreted by Bennu’s parent asteroidOPEN ACCESS 

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J. J. Barnes, A. N. Nguyen, F. A. J. Abernethy, K. Bajo, D. V. Bekaert, E. Bloch, G. A. Brennecka, H. Busemann, J. S. Cowpe, S. A. Crowther, M. Ek, L. J. Fawcett, M. A….

Space weathering effects in Bennu asteroid samplesOPEN ACCESS 

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L. P. Keller, M. S. Thompson, L. B. Seifert, L. E. Melendez, K. L. Thomas-Keprta, L. Le, C. J. Snead, K. C. Welten, K. Nishiizumi, M. W. Caffee, J. Masarik, H. Busemann, D. Krietsch, C….

Mineralogical evidence for hydrothermal alteration of Bennu samplesOPEN ACCESS 

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T. J. Zega, T. J. McCoy, S. S. Russell, L. P. Keller, Z. Gainsforth, S. A. Singerling, V. R. Manga, C. Harrison, G. Libourel, B. S. Prince, K. Thomas-Keprta, A. King, M. Portail, V. Guigoz,…

Olivine fabric and microstructure in Northwest Africa (NWA) 7059 and Nova 018: Insights into ureilite deformationOPEN ACCESS 

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A. I. Sheen, C. K. F. Tirona, K. T. Tait, L. F. White, B. C. Hyde, S. Korchinos MAPS, Version of Record online: 22 August 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Olivine is a major…

Secondary corundum-bearing assemblages in Allende Ca,Al-rich inclusions: Mineralogy, petrology, oxygen, and aluminum–magnesium isotope systematics

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A. N. Krot, K. Nagashima, M. I. Petaev, E. Dobrică, C. Ma, B. Jacobsen MAPS, Version of Record online: 22 August 2025 LINK “We report on the mineralogy, petrology, oxygen, and aluminum–magnesium isotopic systematics of…

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