The majority of large iron formations (IFs) were deposited leading up to Earth’s great oxidation episode (GOE). Following the GOE, IF deposition decreased for almost 500 Myr.
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Fossils & Paleontology, Habitable Zones, Microbiology & Virology, Status Report, Water/Hycean Worlds & Oceanography
