Yamato-82042: An unusual carbonaceous chondrite with CM affinities

The Yamato-82042 carbonaceous chondrite has been the subject of a consortium study, designed to determine its properties and hence attempt a more precise classification of the meteorite. Major and minor elemental abundance and oxygen isotope data indicate that the specimen is a CM chondrite, but on...

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Bibliographic Details
Main Authors: Grady,Monica M., Graham,A.L., Barber,D.J., Aylmer,D., Kurat,G., Ntaflos,T., Ott,U., Palme,H., Spettel,B.
Format: Report
Language:English
Published: Department of Earth Sciences, The Open University/British Museum (Natural History)/Department of Physics, University of Essex/Department of Chemistry, Rutgers University/Naturhistorisches Museum/Naturhistorisches Museum/Max-Plank-Institute fur Chemie/Max-Plank-Institute fur Chemie/Max-Plank-Institute fur Chemie 1987
Subjects:
Yamato
Memoirs of National Institute of Polar Research
Polar Research
Online Access:https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=2131
http://id.nii.ac.jp/1291/00002131/
https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=2131&item_no=1&attribute_id=18&file_no=1
Description
Summary:The Yamato-82042 carbonaceous chondrite has been the subject of a consortium study, designed to determine its properties and hence attempt a more precise classification of the meteorite. Major and minor elemental abundance and oxygen isotope data indicate that the specimen is a CM chondrite, but on textural and petrologic grounds the meteorite is more akin to CI stones. It is possible that Y-82042 is the first CM1 chondrite recognized.

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