K-Ar Ages of Yamato-74 Meteorites

• Main Authors: Akeji Kamaguchi, Jun Okano
• Format: Report
• Language: English
• Published: Department of Chemistry, Faculty of Science, Osaka University/ 1979
• Subjects: Yamato; Memoirs of National Institute of Polar Research; Polar Research
• Online Access: https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=967; http://id.nii.ac.jp/1291/00000967/; https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=967&item_no=1&attribute_id=18&file_no=1

Measurements have been carried out on the isotopic compositions and contents of helium, neon and argon for three kinds of Yamato meteorites, which were petrologically classified into (a) L-chondrite (Yamato-74190-01), (b) H-chondrite (Yamato-74640-02) and (c) eucrite (Yamato-74159-01). K-Ar age for...