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The Paleoproterozoic snowball Earth: A climate disaster triggered by the evolution of oxygenic photosynthesis
Although biomarker, trace element, and isotopic evidence have been used to claim that oxygenic photosynthesis evolved by 2.8 giga-annum before present (Ga) and perhaps as early as 3.7 Ga, a skeptical examination raises considerable doubt about the presence of oxygen producers at these times. Geologi...
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| Main Authors: | , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
National Academy of Sciences
2005
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1183582/ https://ncbi.nlm.nih.gov/pubmed/16061801 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.0504878102 |
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