Palaeoclimatology: Archaean atmosphere and climate.
expert_opinion · Level V
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Abstract
Ohmoto et al. argue that carbon dioxide was abundant in the late Archaean and early Proterozoic atmosphere and that methane was probably scarce, based on a reanalysis of the occurrence of siderite, FeCO3, in ancient rocks. Here I consider several factors that may undermine their conclusions.
Medical subject headings
- Atmosphere
- Climate