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Silica deposits on Mars with features resembling hot spring biosignatures at El Tatio in Chile

The Mars rover Spirit encountered outcrops and regolith composed of opaline silica (amorphous SiO(2)·nH(2)O) in an ancient volcanic hydrothermal setting in Gusev crater. An origin via either fumarole-related acid-sulfate leaching or precipitation from hot spring fluids was suggested previously. Howe...

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Detalhes bibliográficos
Publicado no:Nat Commun
Main Authors: Ruff, Steven W., Farmer, Jack D.
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Publishing Group 2016
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC5473637/
https://ncbi.nlm.nih.gov/pubmed/27853166
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/ncomms13554
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