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Because of the paucity of geologic samples dating back to the early Earth, trying to unveil the nature of the prebiotic terrestrial environment is as frustrating as it is fascinating. An understanding of the characteristics of this period in our planet’s history is, however, crucial to studies of the origin of Life. Recent progress in astrophysics, geochemistry and simulation of planetary accretion...
The evidence for early life and its initial evolution on Earth is linked intimately with the geological evolution of the early Earth. The environment of the early Earth would be considered extreme by modern standards: hot (50–80°C), volcanically and hydrothermally active, anoxic, high UV flux, and a high flux of extraterrestrial impacts. Habitats for life were more limited until continent-building...
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