In Situ Evidence for an Ancient Aqueous Environment at Meridiani Planum, Mars
Sedimentary rocks at Eagle crater in Meridiani Planum are composed of fine-grained siliciclastic materials derived from weathering of basaltic rocks, sulfate minerals (including magnesium sulfate and jarosite) that constitute several tens of percent of the rock by weight, and hematite. Cross-stratif...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2004-12, Vol.306 (5702), p.1709-1714 |
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| creator | Squyres, S. W. Grotzinger, J. P. Arvidson, R. E. Bell, J. F. Calvin, W. Christensen, P. R. Clark, B. C. Crisp, J. A. Farrand, W. H. Herkenhoff, K. E. Johnson, J. R. Klingelhöfer, G. Knoll, A. H. McLennan, S. M. McSween, H. Y. Morris, R. V. Rice, J. W. Rieder, R. Soderblom, L. A. |
| description | Sedimentary rocks at Eagle crater in Meridiani Planum are composed of fine-grained siliciclastic materials derived from weathering of basaltic rocks, sulfate minerals (including magnesium sulfate and jarosite) that constitute several tens of percent of the rock by weight, and hematite. Cross-stratification observed in rock outcrops indicates eolian and aqueous transport. Diagenetic features include hematite-rich concretions and crystal-mold vugs. We interpret the rocks to be a mixture of chemical and siliciclastic sediments with a complex diagenetic history. The environmental conditions that they record include episodic inundation by shallow surface water, evaporation, and desiccation. The geologic record at Meridiani Planum suggests that conditions were suitable for biological activity for a period of time in martian history. |
| doi_str_mv | 10.1126/science.1104559 |
| format | Article |
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W. ; Grotzinger, J. P. ; Arvidson, R. E. ; Bell, J. F. ; Calvin, W. ; Christensen, P. R. ; Clark, B. C. ; Crisp, J. A. ; Farrand, W. H. ; Herkenhoff, K. E. ; Johnson, J. R. ; Klingelhöfer, G. ; Knoll, A. H. ; McLennan, S. M. ; McSween, H. Y. ; Morris, R. V. ; Rice, J. W. ; Rieder, R. ; Soderblom, L. A.</creator><creatorcontrib>Squyres, S. W. ; Grotzinger, J. P. ; Arvidson, R. E. ; Bell, J. F. ; Calvin, W. ; Christensen, P. R. ; Clark, B. C. ; Crisp, J. A. ; Farrand, W. H. ; Herkenhoff, K. E. ; Johnson, J. R. ; Klingelhöfer, G. ; Knoll, A. H. ; McLennan, S. M. ; McSween, H. Y. ; Morris, R. V. ; Rice, J. W. ; Rieder, R. ; Soderblom, L. A.</creatorcontrib><description>Sedimentary rocks at Eagle crater in Meridiani Planum are composed of fine-grained siliciclastic materials derived from weathering of basaltic rocks, sulfate minerals (including magnesium sulfate and jarosite) that constitute several tens of percent of the rock by weight, and hematite. Cross-stratification observed in rock outcrops indicates eolian and aqueous transport. Diagenetic features include hematite-rich concretions and crystal-mold vugs. We interpret the rocks to be a mixture of chemical and siliciclastic sediments with a complex diagenetic history. The environmental conditions that they record include episodic inundation by shallow surface water, evaporation, and desiccation. 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W.</creatorcontrib><creatorcontrib>Grotzinger, J. P.</creatorcontrib><creatorcontrib>Arvidson, R. E.</creatorcontrib><creatorcontrib>Bell, J. F.</creatorcontrib><creatorcontrib>Calvin, W.</creatorcontrib><creatorcontrib>Christensen, P. R.</creatorcontrib><creatorcontrib>Clark, B. C.</creatorcontrib><creatorcontrib>Crisp, J. A.</creatorcontrib><creatorcontrib>Farrand, W. H.</creatorcontrib><creatorcontrib>Herkenhoff, K. E.</creatorcontrib><creatorcontrib>Johnson, J. R.</creatorcontrib><creatorcontrib>Klingelhöfer, G.</creatorcontrib><creatorcontrib>Knoll, A. H.</creatorcontrib><creatorcontrib>McLennan, S. M.</creatorcontrib><creatorcontrib>McSween, H. Y.</creatorcontrib><creatorcontrib>Morris, R. V.</creatorcontrib><creatorcontrib>Rice, J. W.</creatorcontrib><creatorcontrib>Rieder, R.</creatorcontrib><creatorcontrib>Soderblom, L. A.</creatorcontrib><title>In Situ Evidence for an Ancient Aqueous Environment at Meridiani Planum, Mars</title><title>Science (American Association for the Advancement of Science)</title><addtitle>Science</addtitle><description>Sedimentary rocks at Eagle crater in Meridiani Planum are composed of fine-grained siliciclastic materials derived from weathering of basaltic rocks, sulfate minerals (including magnesium sulfate and jarosite) that constitute several tens of percent of the rock by weight, and hematite. Cross-stratification observed in rock outcrops indicates eolian and aqueous transport. Diagenetic features include hematite-rich concretions and crystal-mold vugs. We interpret the rocks to be a mixture of chemical and siliciclastic sediments with a complex diagenetic history. The environmental conditions that they record include episodic inundation by shallow surface water, evaporation, and desiccation. 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A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In Situ Evidence for an Ancient Aqueous Environment at Meridiani Planum, Mars</atitle><jtitle>Science (American Association for the Advancement of Science)</jtitle><addtitle>Science</addtitle><date>2004-12-03</date><risdate>2004</risdate><volume>306</volume><issue>5702</issue><spage>1709</spage><epage>1714</epage><pages>1709-1714</pages><issn>0036-8075</issn><eissn>1095-9203</eissn><coden>SCIEAS</coden><abstract>Sedimentary rocks at Eagle crater in Meridiani Planum are composed of fine-grained siliciclastic materials derived from weathering of basaltic rocks, sulfate minerals (including magnesium sulfate and jarosite) that constitute several tens of percent of the rock by weight, and hematite. Cross-stratification observed in rock outcrops indicates eolian and aqueous transport. Diagenetic features include hematite-rich concretions and crystal-mold vugs. We interpret the rocks to be a mixture of chemical and siliciclastic sediments with a complex diagenetic history. The environmental conditions that they record include episodic inundation by shallow surface water, evaporation, and desiccation. The geologic record at Meridiani Planum suggests that conditions were suitable for biological activity for a period of time in martian history.</abstract><cop>Johnson Space Center</cop><pub>American Association for the Advancement of Science</pub><pmid>15576604</pmid><doi>10.1126/science.1104559</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0036-8075 |
| ispartof | Science (American Association for the Advancement of Science), 2004-12, Vol.306 (5702), p.1709-1714 |
| issn | 0036-8075 1095-9203 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_743355114 |
| source | MEDLINE; American Association for the Advancement of Science; Jstor Complete Legacy; NASA Technical Reports Server |
| subjects | Bedding Discovery and exploration Environmental aspects Environmental conditions Exobiology Extraterrestrial Environment Ferric Compounds Geologic Sediments Hematite Impact craters Laminates Life Lunar And Planetary Science And Exploration Mars Mars (Planet) Mineralogy Minerals Organic Chemistry Outcrops Petrology Research Articles and Reports Rocks Salts Sediments Silicates Spacecraft Spectrum Analysis Sulfates Sulfur Surface (Geology) Water |
| title | In Situ Evidence for an Ancient Aqueous Environment at Meridiani Planum, Mars |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-19T08%3A20%3A48IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_proqu&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=In%20Situ%20Evidence%20for%20an%20Ancient%20Aqueous%20Environment%20at%20Meridiani%20Planum,%20Mars&rft.jtitle=Science%20(American%20Association%20for%20the%20Advancement%20of%20Science)&rft.au=Squyres,%20S.%20W.&rft.date=2004-12-03&rft.volume=306&rft.issue=5702&rft.spage=1709&rft.epage=1714&rft.pages=1709-1714&rft.issn=0036-8075&rft.eissn=1095-9203&rft.coden=SCIEAS&rft_id=info:doi/10.1126/science.1104559&rft_dat=%3Cgale_proqu%3EA126195015%3C/gale_proqu%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=213604961&rft_id=info:pmid/15576604&rft_galeid=A126195015&rft_jstor_id=3839764&rfr_iscdi=true |