{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Chen G"],"funding":["National Natural Science Foundation of China (National Science Foundation of China)"],"pagination":["5862"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9532422"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["13(1)"],"pubmed_abstract":["Reconstructing historical atmospheric oxygen (O<sub>2</sub>) levels at finer temporal resolution is a top priority for exploring the evolution of life on Earth. This goal, however, is challenged by gaps in traditionally employed sediment-hosted geochemical proxy data. Here, we propose an independent strategy-machine learning with global mafic igneous geochemistry big data to explore atmospheric oxygenation over the last 4.0 billion years. We observe an overall two-step rise of atmospheric O<sub>2</sub> similar to the published curves derived from independent sediment-hosted paleo-oxybarometers but with a more detailed fabric of O<sub>2</sub> fluctuations superimposed. These additional, shorter-term fluctuations are also consistent with previous but less well-established suggestions of O<su"],"journal":["Nature communications"],"pubmed_title":["Reconstructing Earth's atmospheric oxygenation history using machine learning."],"pmcid":["PMC9532422"],"funding_grant_id":["42050103"],"pubmed_authors":["Zhao M","Shen J","Lyons TW","Agterberg F","Cheng Q","Chen G","Huang N"],"additional_accession":[]},"is_claimable":false,"name":"Reconstructing Earth's atmospheric oxygenation history using machine learning.","description":"Reconstructing historical atmospheric oxygen (O<sub>2</sub>) levels at finer temporal resolution is a top priority for exploring the evolution of life on Earth. This goal, however, is challenged by gaps in traditionally employed sediment-hosted geochemical proxy data. Here, we propose an independent strategy-machine learning with global mafic igneous geochemistry big data to explore atmospheric oxygenation over the last 4.0 billion years. We observe an overall two-step rise of atmospheric O<sub>2</sub> similar to the published curves derived from independent sediment-hosted paleo-oxybarometers but with a more detailed fabric of O<sub>2</sub> fluctuations superimposed. These additional, shorter-term fluctuations are also consistent with previous but less well-established suggestions of O<su","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Oct","modification":"2025-04-04T09:24:24.404Z","creation":"2025-04-04T09:24:24.404Z"},"accession":"S-EPMC9532422","cross_references":{"pubmed":["36195593"],"doi":["10.1038/s41467-022-33388-5"]}}