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Biomarker evidence for green and purple sulphur bacteria in a stratified Palaeoproterozoic sea

Brocks, Jochen; Love, Gordon; Summons, Roger; Knoll, Andrew H; Logan, Graham A; Bowden, Stephen


The disappearance of iron formations from the geological record ∼1.8 billion years (Gyr) ago was the consequence of rising oxygen levels in the atmosphere starting 2.45-2.32 Gyr ago1-3. It marks the end of a 2.5-Gyr period dominated by anoxic and iron-r

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Nature
DOI: 10.1038/nature04068


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