Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/17165
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dc.contributor.authorSquyres, Steven Wen_UK
dc.contributor.authorArvidson, Raymond Een_UK
dc.contributor.authorBollen, Diane Men_UK
dc.contributor.authorBell III, James Fen_UK
dc.contributor.authorBrueckner, Johannesen_UK
dc.contributor.authorCabrol, Nathalie Aen_UK
dc.contributor.authorCalvin, Wendy Men_UK
dc.contributor.authorCarr, Michael Hen_UK
dc.contributor.authorChristensen, Philip Ren_UK
dc.contributor.authorClark, Benton Cen_UK
dc.contributor.authorCrumpler, Larry Sen_UK
dc.contributor.authorDesMarais, David Jen_UK
dc.contributor.authord'Uston, Claudeen_UK
dc.contributor.authorEconomou, Thanasis E Tomen_UK
dc.contributor.authorSchröder, Christianen_UK
dc.date.accessioned2013-10-31T23:51:38Z-
dc.date.available2013-10-31T23:51:38Z-
dc.date.issued2006-12-15en_UK
dc.identifier.otherE12S12en_UK
dc.identifier.urihttp://hdl.handle.net/1893/17165-
dc.description.abstractThe Mars Exploration Rover Opportunity touched down at Meridiani Planum in January 2004 and since then has been conducting observations with the Athena science payload. The rover has traversed more than 5 km, carrying out the first outcrop-scale investigation of sedimentary rocks on Mars. The rocks of Meridiani Planum are sandstones formed by eolian and aqueous reworking of sand grains that are composed of mixed fine-grained siliciclastics and sulfates. The siliciclastic fraction was produced by chemical alteration of a precursor basalt. The sulfates are dominantly Mg-sulfates and also include Ca-sulfates and jarosite. The stratigraphic section observed to date is dominated by eolian bedforms, with subaqueous current ripples exposed near the top of the section. After deposition, interaction with groundwater produced a range of diagenetic features, notably the hematite-rich concretions known as ‘‘blueberries.’’ The bedrock at Meridiani is highly friable and has undergone substantial erosion by wind-transported basaltic sand. This sand, along with concretions and concretion fragments eroded from the rock, makes up a soil cover that thinly and discontinuously buries the bedrock. The soil surface exhibits both ancient and active wind ripples that record past and present wind directions. Loose rocks on the soil surface are rare and include both impact ejecta and meteorites. While Opportunity’s results show that liquid water was once present at Meridiani Planum below and occasionally at the surface, the environmental conditions recorded were dominantly arid, acidic, and oxidizing and would have posed some significant challenges to the origin of life.en_UK
dc.language.isoenen_UK
dc.publisherAmerican Geophysical Unionen_UK
dc.relationSquyres SW, Arvidson RE, Bollen DM, Bell III JF, Brueckner J, Cabrol NA, Calvin WM, Carr MH, Christensen PR, Clark BC, Crumpler LS, DesMarais DJ, d'Uston C, Economou TET & Schröder C (2006) Overview of the Opportunity Mars Exploration Rover mission to Meridiani Planum: Eagle crater to Purgatory ripple. Journal of Geophysical Research: Planets, 111 (E12), Art. No.: E12S12. https://doi.org/10.1029/2006JE002771en_UK
dc.rightsCopyright 2006 by the American Geophysical Union. AGU allows authors to deposit their journal articles if the version is the final published citable version of record, the AGU copyright statement is clearly visible on the posting, and the posting is made 6 months after official publication by the AGU.en_UK
dc.subjectroveren_UK
dc.subjectOpportunityen_UK
dc.subjectMeridiani Planumen_UK
dc.titleOverview of the Opportunity Mars Exploration Rover mission to Meridiani Planum: Eagle crater to Purgatory rippleen_UK
dc.typeJournal Articleen_UK
dc.identifier.doi10.1029/2006JE002771en_UK
dc.citation.jtitleJournal of Geophysical Research: Planetsen_UK
dc.citation.issn2169-9100en_UK
dc.citation.issn2169-9097en_UK
dc.citation.volume111en_UK
dc.citation.issueE12en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusVoR - Version of Recorden_UK
dc.author.emailchristian.schroeder@stir.ac.uken_UK
dc.description.notesAdditional co-authors: J Farmer, WH Farrand, W Folkner, R Gellert, TD Glotch, M Golombek, S Gorevan, JA Grant, R Greeley, J Grotzinger, KE Herkenhoff, S Hviid, JR Johnson, G Klingelhöfer, AH Knoll, G Landis, M Lemmon, R Li, MB Madsen, MC Malin, SM McLennan, HY McSween, DW Ming, J Moersch, RV Morris, T Parker, JW Rice Jr, L Richter, R Rieder, M Sims, M Smith, P Smith, LA Soderblom, R Sullivan, NJ Tosca, H Wnke, T Wdowiak, M Wolff, A Yenen_UK
dc.contributor.affiliationCornell Universityen_UK
dc.contributor.affiliationWashington University In Saint Louisen_UK
dc.contributor.affiliationCornell Universityen_UK
dc.contributor.affiliationCornell Universityen_UK
dc.contributor.affiliationMax Planck Institute of Chemistryen_UK
dc.contributor.affiliationNational Aeronautics and Space Administration (NASA)en_UK
dc.contributor.affiliationUniversity of Nevada, Renoen_UK
dc.contributor.affiliationU.S. Geological Surveyen_UK
dc.contributor.affiliationArizona State Universityen_UK
dc.contributor.affiliationLockheed Martin Corporationen_UK
dc.contributor.affiliationNew Mexico Museum of Natural History and Scienceen_UK
dc.contributor.affiliationNational Aeronautics and Space Administration (NASA)en_UK
dc.contributor.affiliationCentre d’Etude Spatiale des Rayonnements (CESR)en_UK
dc.contributor.affiliationUniversity of Chicagoen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.identifier.isiWOS:000242945000001en_UK
dc.identifier.scopusid2-s2.0-34447531922en_UK
dc.identifier.wtid682668en_UK
dc.contributor.orcid0000-0002-7935-6039en_UK
dcterms.dateAccepted2006-12-15en_UK
dc.date.filedepositdate2013-10-28en_UK
rioxxterms.typeJournal Article/Reviewen_UK
rioxxterms.versionVoRen_UK
local.rioxx.authorSquyres, Steven W|en_UK
local.rioxx.authorArvidson, Raymond E|en_UK
local.rioxx.authorBollen, Diane M|en_UK
local.rioxx.authorBell III, James F|en_UK
local.rioxx.authorBrueckner, Johannes|en_UK
local.rioxx.authorCabrol, Nathalie A|en_UK
local.rioxx.authorCalvin, Wendy M|en_UK
local.rioxx.authorCarr, Michael H|en_UK
local.rioxx.authorChristensen, Philip R|en_UK
local.rioxx.authorClark, Benton C|en_UK
local.rioxx.authorCrumpler, Larry S|en_UK
local.rioxx.authorDesMarais, David J|en_UK
local.rioxx.authord'Uston, Claude|en_UK
local.rioxx.authorEconomou, Thanasis E Tom|en_UK
local.rioxx.authorSchröder, Christian|0000-0002-7935-6039en_UK
local.rioxx.projectInternal Project|University of Stirling|https://isni.org/isni/0000000122484331en_UK
local.rioxx.freetoreaddate2013-10-28en_UK
local.rioxx.licencehttp://www.rioxx.net/licenses/all-rights-reserved|2013-10-28|en_UK
local.rioxx.filenameSquyres-etal-JGR-2006.pdfen_UK
local.rioxx.filecount1en_UK
local.rioxx.source2169-9097en_UK
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