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Reassessing the biogenicity of Earth’s oldest trace fossil with implications for biosignatures in the search for early life
Microtextures in metavolcanic pillow lavas from the Barberton greenstone belt of South Africa have been argued to represent Earth’s oldest trace fossil, preserving evidence for microbial life in the Paleoarchean subseafloor. In this study we present new in situ U–Pb age, metamorphic, and morphologic...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
National Academy of Sciences
2014
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| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4060710/ https://ncbi.nlm.nih.gov/pubmed/24912193 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1402565111 |
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