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Oxygen isotope cosmothermometer revisited |
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| Authors: | Naoki Onuma Robert N. Clayton Toshiko K. Mayeda |
| Affiliation: | Department of Chemistry, Tokyo Gakugei University, Tokyo, Japan;Enrico Fermi Institute, and Departments of Chemistry and Geophysical Sciences, University of Chicago, Chicago, Illinois 60637, U.S.A.;Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, U.S.A. |
| Abstract: | A previously published estimate of the oxygen isotopic composition of the gas of the early solar nebula must be revised in light of the discovery of non-chemical isotope effects in carbonaceous chondrites. The solids which accreted to form the Earth, Moon and ordinary chondrites probably did not equilibrate isotopically with the gas below 1000 K. |
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