Sources of nutrients and energy for a deep biosphere on Mars Public Deposited

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  • Hydrothermal vents appear to be the tip of the subsurface biosphere in the ocean crust. The primary prducers in this biosphere are prokaryotes that tolerate a wide variety of physical and chemical conditions and are versatile in their use of inorganic compounds to drive metabolism. A synthesis of chemical and mineralogical data from Martian meteorites and measurements of the Martian surface suggest that conditions similar to those that make life possible in Earth’s oceanic crust, namely, water, carbon, nutrients, appropriate temperatures, and gradients in redox conditions, also occur within Mars. Chemolithoautotrophic microorganisms capable of living below the seafloor on Earth would probably survive some regions of the Martian subsurface.
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  • Fisk, M., and S. Giovannoni (1999), Sources of nutrients and energy for a deep biosphere on Mars, J. Geophys. Res., 104(E5), 11805-11815.
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  • description.provenance : Submitted by David Moynihan (dmscanner@gmail.com) on 2010-06-09T21:48:08Z No. of bitstreams: 1 Fisk_and_Giovannoni_JGR_1999.pdf: 1259594 bytes, checksum: 9a3ca9e50d6a658fc9115ecfae0a665a (MD5)
  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2010-06-16T16:39:53Z (GMT) No. of bitstreams: 1 Fisk_and_Giovannoni_JGR_1999.pdf: 1259594 bytes, checksum: 9a3ca9e50d6a658fc9115ecfae0a665a (MD5)
  • Journal of Geophysical Research
  • description.provenance : Made available in DSpace on 2010-06-16T16:39:53Z (GMT). No. of bitstreams: 1 Fisk_and_Giovannoni_JGR_1999.pdf: 1259594 bytes, checksum: 9a3ca9e50d6a658fc9115ecfae0a665a (MD5) Previous issue date: 1999-05-25
  • Vol. 104 No. E5 (1999)

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