A classification of several Yamato-75 chondrites (V)

P(論文) Electron microprobe studies have been made of olivines and pyroxenes in 19 Yamato-75 chondrites which were collected from the Yamato Mountains area, East Antarctica by the 16th Japanese Antarctic Research Expedition (1974-1976) (JARE-16). These chondrites are classified on the basis of textura...

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Bibliographic Details
Main Authors: Matsumoto, Yukio, Kojima, Hideyasu, Jyo, Nobuyuki
Language:English
Published: 1984
Subjects:
Antarctic
East Antarctica
Yamato
Antarc*
Antarctica
Memoirs of National Institute of Polar Research
Polar Research
Online Access:https://nipr.repo.nii.ac.jp/record/1717/files/KJ00000012349.pdf
https://nipr.repo.nii.ac.jp/records/1717
Description
Summary:P(論文) Electron microprobe studies have been made of olivines and pyroxenes in 19 Yamato-75 chondrites which were collected from the Yamato Mountains area, East Antarctica by the 16th Japanese Antarctic Research Expedition (1974-1976) (JARE-16). These chondrites are classified on the basis of textural characteristics of chondrules, matrix, plagioclase and igneous glass, and on the compositions of olivines and orthopyroxenes. As a result, the chondrites are tentatively classified as follows : type H3 (Yamato-75029), type H4 (Yamato-75096,-75269), type H4-5 (Yamato-75291), type H5-4 (Yamato-75262), type H5 (Yamato-75012,-75259), type H5-6 (Yamato-75267), type H6 (Yamato-75100,-75277,-75304), type L4 (Yamato-75019), type L4-5 (Yamato-75297), type L5 (Yamato-75017,-75270,-75288,-75289), type L6 (Yamato-75071), type LL6 (Yamato-75258). departmental bulletin paper

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