Detection of Silica-Rich Deposits on Mars

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dc.contributor.authorSquyres, Steven W.
dc.contributor.authorArvidson, Raymond E.
dc.contributor.authorRuff, S.
dc.contributor.authorGellert, R.
dc.contributor.authorMorris, R. V.
dc.contributor.authorMing, D. W.
dc.contributor.authorCrumpler, Larry S.
dc.contributor.authorFarmer, J. D.
dc.contributor.authorMarais, D. J. Des
dc.contributor.authorYen, A.
dc.contributor.authorMcLennan, S. M.
dc.contributor.authorCalvin, W. M.
dc.contributor.authorBell, James F., III
dc.contributor.authorClark, Benton C.
dc.contributor.authorWang, A.
dc.contributor.authorMcCoy, Timothy J.
dc.contributor.authorSchmidt, M. E.
dc.contributor.authorde Souza, P. A., Jr.
dc.date.accessioned2013-04-29T16:22:27Z
dc.date.available2013-04-29T16:22:27Z
dc.date.issued2008
dc.description.abstractMineral 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.
dc.format.extent1063–1067
dc.identifier0036-8075
dc.identifier.citationSquyres, Steven W., Arvidson, Raymond E., Ruff, S., Gellert, R., Morris, R. V., Ming, D. W., Crumpler, Larry S., Farmer, J. D., Marais, D. J. Des, Yen, A., McLennan, S. M., Calvin, W. M., Bell, James F., III, Clark, Benton C., Wang, A., McCoy, Timothy J., Schmidt, M. E., and de Souza, P. A., Jr. 2008. "<a href="https://repository.si.edu/handle/10088/20568">Detection of Silica-Rich Deposits on Mars</a>." <em>Science</em>, 320, (5879) 1063–1067. <a href="https://doi.org/10.1126/science.1155429">https://doi.org/10.1126/science.1155429</a>.
dc.identifier.issn0036-8075
dc.identifier.urihttp://hdl.handle.net/10088/20568
dc.relation.ispartofScience 320 (5879)
dc.titleDetection of Silica-Rich Deposits on Mars
dc.typearticle
sro.description.unitNMNH
sro.description.unitNH-Mineral Sciences
sro.identifier.doi10.1126/science.1155429
sro.identifier.itemID59895
sro.identifier.refworksID85847
sro.identifier.urlhttps://repository.si.edu/handle/10088/20568

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