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Variation in stable carbon isotopes in organic matter from the Gunflint Iron Formation |
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| Authors: | Elso S Barghoorn Andrew H Knoll Harry Dembicki Warren G Meinschein |
| Affiliation: | Departments of Biology and of Geology, Harvard University, Cambridge, Massachusetts 02138, U.S.A.;Department of Geological Sciences, Harvard University, Cambridge, Massachusetts 02138, U.S.A.;Department of Geology, Indiana University, Bloomington, Indiana 47401, U.S.A. |
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