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Updated: Aug 19, 2026

Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses
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Direct dating of 3.5 Ga biogenic carbon in a microbial mat remnant, Singhbhum Craton, India

Trisrota Chaudhuri1, T Mark Harrison2, Elizabeth A Bell2

  • 1Secondary Ion Mass Spectrometer (SIMS) Laboratory, Geological Survey of India, Kolkata 700091, India.

Proceedings of the National Academy of Sciences of the United States of America
|August 17, 2026
PubMed

Keywords:
early lifekerogenzircon

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