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On biogenicity criteria for endolithic microborings on early Earth and beyond.

Abstract:

Micron-sized cavities created by the actions of rock-etching microorganisms known as euendoliths are explored as a biosignature for life on early Earth and perhaps Mars. Rock-dwelling organisms can tolerate extreme environmental stresses and are excellent candidates for the colonization of early Earth and planetary surfaces. Here, we give a brief overview of the fossil record of euendoliths in both sedimentary and volcanic rocks. We then review the current understanding of the controls upon t...

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Publication status:
Published

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Publisher copy:
10.1089/ast.2006.0122

Authors


McLoughlin, N More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Journal:
Astrobiology
Volume:
7
Issue:
1
Pages:
10-26
Publication date:
2007-02-05
DOI:
EISSN:
1557-8070
ISSN:
1531-1074
URN:
uuid:8aad858b-29c7-47ca-b3bc-99f4e3c74eb6
Source identifiers:
82210
Local pid:
pubs:82210

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