Reassessing the biogenicity of Earth's oldest trace fossil with implications for biosignatures in the search for early life

Proceedings of the National Academy of Sciences of the United States of America

Volumn 111, Issue 23, 2014, Pages 8380-8385

  Grosch, Eugene G ^a   McLoughlin, Nicola ^a  

^a UNIVERSITY OF BERGEN   (Norway)

Author keywords

Archean earth; Archean habitats; Astrobiology; Bioalteration; Ichnofossil

Indexed keywords

LEAD; URANIUM;

ARCHEAN; ARTICLE; COOLING; FOSSIL; LOW TEMPERATURE; MORPHOLOGY; PALEOARCHEAN; PRIORITY JOURNAL; QUANTITATIVE ANALYSIS; ROCK; SEA; SOUTH AFRICA; THERMODYNAMICS;

ARCHEAN EARTH; ARCHEAN HABITATS; ASTROBIOLOGY; BIOALTERATION; ICHNOFOSSIL;

EARTH (PLANET); FOSSILS; GEOGRAPHY; GEOLOGIC SEDIMENTS; ISOTOPES; LEAD; MASS SPECTROMETRY; PALEONTOLOGY; RADIOMETRIC DATING; SILICATES; SOUTH AFRICA; TEMPERATURE; TIME FACTORS; TITANIUM; URANIUM; VOLCANIC ERUPTIONS;

EID: 84902129422     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.1402565111     Document Type: Article

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