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Bulk oxygen isotope compositions of equilibrated ordinary chondrite falls using CO2 laser-BrF5 fluorination technique

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Title
Bulk oxygen isotope compositions of equilibrated ordinary chondrite falls using CO2 laser-BrF5 fluorination technique
Other Titles
CO2 레이저 불화방식 분석시스템을 이용한 오디너리 콘드라이트의 산소동위원소 조성
Authors
Ahn, Insu
J.T. Wasson
B.-G. Choi
Lee, Jong Ik
C.K. Park
Keywords
chondrite; eoc; fall; laser fluorination; oxygen isotope
Issue Date
2009
Citation
Ahn, Insu, et al. 2009. Bulk oxygen isotope compositions of equilibrated ordinary chondrite falls using CO2 laser-BrF5 fluorination technique. The meteoritical society. The meteoritical society. 2009.07.15~.
Abstract
Oxygen isotopic compositions of equilibrated ordinary chondrites were analyzed using CO2 laser fluorination system. (1) Data define a much sharper mixing line than those of Clayton et al.(1991).(2) There is neither overlap nor cap between our L and LL data. (3) There are good correlations between oxygen isotopes and some bulk siderophiles. (4) A positive correlation between Co in kamacite and fayalite contents of OCs has been known. The high-Co (>100 mg/g) and high-fa (>31 mol.%) LL members generally have higher Δ17O values.
URI
http://repository.kopri.re.kr/handle/201206/7902
Conference Name
The meteoritical society
Conference Place
The meteoritical society
Conference Date
2009.07.15~
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