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GSA Special Papers
The Web of Geological Sciences: Advances, Impacts, and Interactions
Author(s)
Marion E. Bickford
Marion E. Bickford
Department of Earth Sciences, 204 Heroy Geology Laboratory, Syracuse University, Syracuse, New York 13244-1070, USA
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Geological Society of America

Volume
500
Copyright:
© 2013 Geological Society of America
Attribution:You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). Noncommercial ‒ you may not use this work for commercial purpose. No Derivative works ‒ You may not alter, transform, or build upon this work. Sharing ‒ Individual scientists are hereby granted permission, without fees or further requests to GSA, to use a single figure, a single table, and/or a brief paragraph of text in other subsequent works and to make unlimited photocopies of items in this journal for noncommercial use in classrooms to further education and science.
ISBN print:
9780813725000
Publication date:
September 01, 2013
Book Chapter
Role of geobiology in the astrobiological exploration of the Solar System
Author(s)
Jack D. Farmer
Arizona State University, School of Earth and Space Exploration, P.O. Box 871404, Tempe, Arizona 85287-1404, USA
Jack D. Farmer
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Published:September 01, 2013
Discoveries in geobiology have dramatically shaped our understanding of the nature, distribution, and evolutionary potential of terrestrial life, paving the way for new exploration strategies to search for life elsewhere in the Solar System. Genomic studies, applied over a broad range of geological environments, have revealed that the vast proportion of species on Earth are microbial. Studies of the fossil record indicate that this has been the case for >75% of our planet's history. Microbial life has been shown to occupy a stunning array of environmental extremes, seemingly only limited by the distribution of liquid water and its chemical activity,...
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Index Terms/Descriptors
- Archaea
- Archean
- astrobiology
- bacteria
- biodiversity
- biogenic processes
- biologic evolution
- biology
- biomarkers
- biosphere
- brines
- carbon
- chemosynthesis
- energy sources
- exploration
- geochemical cycle
- Hadean
- hydrogen
- hydrosphere
- hydrothermal conditions
- icy satellites
- life origin
- Mars
- Mars Exploration Rover
- microorganisms
- molecular biology
- Opportunity Rover
- phylogeny
- planets
- Precambrian
- satellites
- solar system
- Spirit Rover
- sulfur
- terrestrial planets
- thermophilic taxa
- water
- habitability
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