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Oxygen Isotopes in Early Solar System Materials: A Perspective Based on Microbeam Analyses of Chondrules from CV Carbonaceous ChondritesSome of the biggest challenges to understanding the early history of the solar system include determining the distribution of oxygen isotopes amongst materials that existed in the solar nebula, and interpreting the processes that might have resulted in the observed isotopic distributions. Oxygen isotope ratios in any individual mineral grain from a chondritic meteorite may be the cumulative product of a variety of processes, including stellar nucleosynthetic events, gas/solid interactions in the molecular cloud, mixing of independent isotopic reservoirs in the nebula, mass-independent processing in the nebula, and mass-dependent fractionation effects in various environments. It is not possible to unravel this complex isotopic record unless the distribution of oxygen isotope ratios in chondritic materials is fully understood.
Document ID
Document Type
Conference Paper
Jones, R. H. (New Mexico Univ. Albuquerque, NM, United States)
Leshin, L. A. (Arizona State Univ. Tempe, AZ, United States)
Guan, Y. (Arizona State Univ. Tempe, AZ, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2004
Publication Information
Publication: Lunar and Planetary Science XXXV: Special Session: Oxygen in the Solar System, I
Subject Category
Solar Physics
Funding Number(s)
Distribution Limits
Public Use Permitted.

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