Archive for September 25th, 2025

Cosmic ray exposure and gas retention ages of the shocked angrite Northwest Africa 7203: Implications for a collisional history of angrites’ parent bodyOPEN ACCESS

25/09/2025 17:33 · by karmaka · in angrite, cosmic ray exposure age (CRE), parent body, shock metamorphism

Atsushi Takenouchi, Hirochika Sumino, Hideyuki Hayashi, Takashi Mikouchi, Martin Bizzarro MAPS, Version of Record online: 25 September 2025 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Angrites and eucrites are among the oldest basaltic rocks in the solar…

Fe isotopes in sulfides in the Aguas Zarcas (CM2) chondrite: Implications for the history of the parent asteroids

25/09/2025 16:38 · by karmaka · in Aguas Zarcas, carbonaceous chondrite, CM, witnessed fall

Xinqian Zhu, Xinyu Wang, Cheng Qian, Kexin Deng, Qi He, Zaicong Wang, Wen Zhang, Ao Yang, Fabin Pan & Xiang Wu Acta Geochimica, Published: 23 September 2025 LINK “CM chondrites contain valuable insights into the…