ArticleScience advances2024
Nanoparticulate apatite and greenalite in oldest, well-preserved hydrothermal vent precipitates.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Article
- The Emergence of an Urable Earth: How Early Planetary Evolution Shaped the Chemical Window for Life's Origin.Life (Basel, Switzerland) · 2026Review
- Mafic-ultramafic igneous rocks as a source of reactive phosphorus for the origin of life.Nature communications · 2026Article
- A window into transition metal availability in early palaeoproterozoic seawater.Scientific reports · 2025Article
- Siderite precipitation in Paleoarchean oceans during hydrothermal venting.Science advances · 2025Article
- An early origin of oxygenic photosynthesis delays the Great Oxidation.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2025Article
- Bioavailable phosphite in the surface ocean during the Great Oxidation Event.Nature communications · 2025Article
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Authors and funding
3 authors.
Funding
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Abstract
Paleoarchean jaspilites are used to track ancient ocean chemistry and photoautotrophy because they contain hematite interpreted to have formed following biological oxidation of vent-derived Fe(II) and seawater P-scavenging. However, recent studies have triggered debate about ancient seawater Fe and P deposition. Here, we report greenalite and fluorapatite (FAP) nanoparticles in the oldest, well-preserved jaspilites from the ~3.5-billion-year Dresser Formation, Pilbara Craton, Australia. We argue that both phases are vent plume particles, whereas coexisting hematite is linked to secondary oxidation. Geochemical modeling predicts that hydrothermal alteration of seafloor basalts by anoxic, sulfate-free seawater releases Fe(II) and P that simultaneously precipitate as greenalite and FAP upon venting. The formation, transport, and preservation of FAP nanoparticles indicate that seawater P concentrations were ≥1 to 2 orders of magnitude higher than in modern deepwater. We speculate that Archean seafloor vents were nanoparticle "factories" that, on prebiotic Earth, produced countless Fe(II)- and P-rich templates available for catalysis and biosynthesis.
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