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Impact craters as biospheric microenvironments, Lawn Hill Structure, northern Australia

Abstract:

Impact craters on Mars act as traps for eolian sediment and in the past may have provided suitable microenvironments that could have supported and preserved a stressed biosphere. If this is so, terrestrial impact structures such as the 18-km-diameter Lawn Hill Structure, in northern Australia, may prove useful as martian analogs. We sampled outcrop and drill core from the carbonate fill of the Lawn Hill Structure and recorded its gamma-log signature. Facies data along with whole rock geochemi...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1089/ast.2006.6.348

Authors


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Institution:
Lunar and Planetary Institute, Houston, Texas
Role:
Author
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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author

Contributors

Publisher:
Mary Ann Liebert, Inc. Publisher's website
Journal:
Astrobiology Journal website
Volume:
6
Issue:
2
Pages:
348-363
Publication date:
2006-05-01
DOI:
EISSN:
1557-8070
ISSN:
1531-1074
Language:
English
Keywords:
Subjects:
UUID:
uuid:c9796531-6943-4302-9733-8e8616adf78a
Local pid:
ora:5497
Deposit date:
2011-06-24

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