Detection of silica-rich deposits on mars

S. W. Squyres, R. E. Arvidson, Steven Ruff, R. Gellert, R. V. Morris, D. W. Ming, L. Crumpler, Jack Farmer, D. J. Des Marais, A. Yen, S. M. McLennan, W. Calvin, James Bell, B. C. Clark, A. Wang, T. J. McCoy, M. E. Schmidt, P. A. De Souza

Research output: Contribution to journalArticle

239 Citations (Scopus)

Abstract

Mineral deposits on the martian surface can elucidate ancient environmental conditions on the planet. Opaline silica deposits (as much as 91 weight percent SiO2) have been found in association with volcanic materials by the Mars rover Spirit. The deposits are present both as light-toned soils and as bedrock. We interpret these materials to have formed under hydrothermal conditions and therefore to be strong indicators of a former aqueous environment. This discovery is important for understanding the past habitability of Mars because hydrothermal environments on Earth support thriving microbial ecosystems.

Original languageEnglish (US)
Pages (from-to)1063-1067
Number of pages5
JournalScience
Volume320
Issue number5879
DOIs
StatePublished - May 23 2008

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Mars
Silicon Dioxide
Planets
Minerals
Ecosystem
Soil
Light
Weights and Measures
opoka

ASJC Scopus subject areas

  • General
  • Medicine(all)

Cite this

Squyres, S. W., Arvidson, R. E., Ruff, S., Gellert, R., Morris, R. V., Ming, D. W., ... De Souza, P. A. (2008). Detection of silica-rich deposits on mars. Science, 320(5879), 1063-1067. https://doi.org/10.1126/science.1155429

Detection of silica-rich deposits on mars. / Squyres, S. W.; Arvidson, R. E.; Ruff, Steven; Gellert, R.; Morris, R. V.; Ming, D. W.; Crumpler, L.; Farmer, Jack; Des Marais, D. J.; Yen, A.; McLennan, S. M.; Calvin, W.; Bell, James; Clark, B. C.; Wang, A.; McCoy, T. J.; Schmidt, M. E.; De Souza, P. A.

In: Science, Vol. 320, No. 5879, 23.05.2008, p. 1063-1067.

Research output: Contribution to journalArticle

Squyres, SW, Arvidson, RE, Ruff, S, Gellert, R, Morris, RV, Ming, DW, Crumpler, L, Farmer, J, Des Marais, DJ, Yen, A, McLennan, SM, Calvin, W, Bell, J, Clark, BC, Wang, A, McCoy, TJ, Schmidt, ME & De Souza, PA 2008, 'Detection of silica-rich deposits on mars', Science, vol. 320, no. 5879, pp. 1063-1067. https://doi.org/10.1126/science.1155429
Squyres SW, Arvidson RE, Ruff S, Gellert R, Morris RV, Ming DW et al. Detection of silica-rich deposits on mars. Science. 2008 May 23;320(5879):1063-1067. https://doi.org/10.1126/science.1155429
Squyres, S. W. ; Arvidson, R. E. ; Ruff, Steven ; Gellert, R. ; Morris, R. V. ; Ming, D. W. ; Crumpler, L. ; Farmer, Jack ; Des Marais, D. J. ; Yen, A. ; McLennan, S. M. ; Calvin, W. ; Bell, James ; Clark, B. C. ; Wang, A. ; McCoy, T. J. ; Schmidt, M. E. ; De Souza, P. A. / Detection of silica-rich deposits on mars. In: Science. 2008 ; Vol. 320, No. 5879. pp. 1063-1067.
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