The range of life habitats in volcanic terrains on Mars

Details The range of life habitats in volcanic terrains on Mars The range of life habitats in volcanic terrains on Mars

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.545...81p&link_type=abstract

In: Proceedings of the Third European Workshop on Exo-Astrobiology, 18 - 20 November 2003, Madrid, Spain. Ed.: R. A. Harris & L.

Biology

Mars: Astrobiology

Scientific paper

The Martian surface is dominated by volcanic rocks, so the search for life on Mars should consider potential habitats in these rocks. Volcanic terrains present numerous possible habitats, including porosity in fractures and gas cavities, sites admitting light beneath translucent phenocrysts and a range of surface detritus. Photosynthetic activity may be more limited than on Earth due to sediment opacity, but volcanic systems provide sources of energy for chemolithotrophs, through high-temperature hydrothermal reactions and low-temperature weathering of ferromagnesian minerals. Both are likely processes on Mars.

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