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Atmospheric CO(2) levels from 2.7 billion years ago inferred from micrometeorite oxidation
Earth’s atmospheric composition during the Archean eon of 4 to 2.5 billion years ago has few constraints. However, the geochemistry of recently discovered iron-rich micrometeorites from 2.7 billion–year–old limestones could serve as a proxy for ancient gas concentrations. When micrometeorites entere...
Autores principales: | Lehmer, O. R., Catling, D. C., Buick, R., Brownlee, D. E., Newport, S. |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Association for the Advancement of Science
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6976288/ https://www.ncbi.nlm.nih.gov/pubmed/32010786 http://dx.doi.org/10.1126/sciadv.aay4644 |
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