A new source of basaltic meteorites inferred from Northwest Africa 011

Akira Yamaguchi, Robert N. Clayton, Toshiko K. Mayeda, Mitsuru Ebihara, Yasuji Oura, Yayoi N. Miura, Hiroshi Haramura, Keiji Misawa, Hideyasu Kojima, Keisuke Nagao

研究成果: Article査読

107 被引用数 (Scopus)

抄録

Eucrites are a class of basaltic meteorites that share common mineralogical, isotopic, and chemical properties and are thought to have been derived from the same parent body, possibly asteroid 4 Vesta. The texture, mineralogy, and noble gas data of the recently recovered meteorite, Northwest Africa (NWA) 011, are similar to those of basaltic eucrites. However, the oxygen isotopic composition of NWA011 is different from that of other eucrites, indicating that NWA011 may be derived from a different parent body. The presence of basaltic meteorites with variable oxygen isotopic composition suggests the occurrence of multiple basaltic meteorite parent bodies, perhaps similar to 4 Vesta, in the early solar system.

本文言語English
ページ(範囲)334-336
ページ数3
ジャーナルScience
296
5566
DOI
出版ステータスPublished - 2002 4 12
外部発表はい

ASJC Scopus subject areas

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