Sulfur isotopes of organic matter preserved in 3.45-billion-year-old stromatolites reveal microbial metabolism

The 3.45-billion-year-old Strelley Pool Formation of Western Australia preserves stromatolites that are considered among the oldest evidence for life on Earth. In places of exceptional preservation, these stromatolites contain laminae rich in organic carbon, interpreted as the fossil remains of anci...

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Veröffentlicht in:	Proceedings of the National Academy of Sciences - PNAS 2012-09, Vol.109 (38), p.15146-15151
Hauptverfasser:	Bontognali, Tomaso R. R, Sessions, Alex L, Allwood, Abigail C, Fischer, Woodward W, Grotzinger, John P, Summons, Roger E, Eiler, John M
Format:	Artikel
Sprache:	eng
Schlagworte:	Archaea - physiology Australia Biogeochemistry Biological Sciences biomass carbon Earth Fossils Fractionation Geologic Sediments Geology - methods hydrogen sulfide Hydrogen Sulfide - chemistry Ion probes Ions Isotopes Metabolism Microbiology Organic Chemicals - chemistry organic matter Physical Sciences pyrite Pyrites Rocks Stromatolites Sulfates Sulfides Sulfur Sulfur isotopes Sulfur Isotopes - analysis Sulfur Isotopes - chemistry
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