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Title

Extreme environments as Mars terrestrial analogs: The Rio Tinto case

AuthorsAmils, Ricardo ; González-Toril, Elena ; Fernández-Remolar, David ; Gómez-Gómez, Felipe ; Aguilera, Ángeles ; Rodríguez, Nuria ; Malki, Moustafá ; García-Moyano, Antonio; González-Fairén, Alberto; Fuente, Vicenta de la; Sanz, José Luis
KeywordsExtremophiles
Acidophiles
Iberian Pyritic Belt
Chemolithoautotrophy
Iron cycle
Sulfates
Iron oxides
Hematite
Mars
Meridiani planum
Issue DateFeb-2007
PublisherElsevier
CitationPlanetary and Space Science 55(3): 370-381 (2007)
AbstractThe geomicrobiological characterization of the Río Tinto (Iberian Pyritic Belt) has recently proven the importance of the iron cycle, not only in the generation of the extreme conditions of the habitat (low pH, high concentration of heavy metals), but also in the maintenance of a high level of microbial diversity. The presence of vast deposits of sulfates and iron oxides on Mars, the main products of the bioleaching of iron containing sulfides found in Río Tinto, and the physico-chemical properties of iron as a source of energy, protection from radiation and oxidative stress as well as pH control, make Río Tinto an interesting Mars terrestrial analog.
Description12 pages, 5 figures, 2 tables.-- ISI Article Identifier: 000244695500010.-- Available online Sep 28, 2006.-- Issue title: "Planet Mars II".
Publisher version (URL)http://dx.doi.org/10.1016/j.pss.2006.02.006
URIhttp://hdl.handle.net/10261/13417
DOI10.1016/j.pss.2006.02.006
ISSN0032-0633
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