Calcium sulfate veins characterized by ChemCam/Curiosity at Gale crater, Mars
The Curiosity rover has analyzed abundant light‐toned fracture‐fill material within the Yellowknife Bay sedimentary deposits. The ChemCam instrument, coupled with Mastcam and ChemCam/Remote Micro Imager images, was able to demonstrate that these fracture fills consist of calcium sulfate veins, many...
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| Veröffentlicht in: | Journal of geophysical research. Planets 2014-09, Vol.119 (9), p.1991-2016 |
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| creator | Nachon, M. Clegg, S. M. Mangold, N. Schröder, S. Kah, L. C. Dromart, G. Ollila, A. Johnson, J. R. Oehler, D. Z. Bridges, J. C. Le Mouélic, S. Forni, O. Wiens, R.C. Anderson, R. B. Blaney, D. L. Bell III, J.F. Clark, B. Cousin, A. Dyar, M. D. Ehlmann, B. Fabre, C. Gasnault, O. Grotzinger, J. Lasue, J. Lewin, E. Léveillé, R. McLennan, S. Maurice, S. Meslin, P.-Y. Rapin, W. Rice, M. Squyres, S. W. Stack, K. Sumner, D. Y. Vaniman, D. Wellington, D. |
| description | The Curiosity rover has analyzed abundant light‐toned fracture‐fill material within the Yellowknife Bay sedimentary deposits. The ChemCam instrument, coupled with Mastcam and ChemCam/Remote Micro Imager images, was able to demonstrate that these fracture fills consist of calcium sulfate veins, many of which appear to be hydrated at a level expected for gypsum and bassanite. Anhydrite is locally present and is found in a location characterized by a nodular texture. An intricate assemblage of veins crosses the sediments, which were likely formed by precipitation from fluids circulating through fractures. The presence of veins throughout the entire ~5 m thick Yellowknife Bay sediments suggests that this process occurred well after sedimentation and cementation/lithification of those sediments. The sulfur‐rich fluids may have originated in previously precipitated sulfate‐rich layers, either before the deposition of the Sheepbed mudstones or from unrelated units such as the sulfates at the base of Mount Sharp. The occurrence of these veins after the episodes of deposition of fluvial sediments at the surface suggests persistent aqueous activity in relatively nonacidic conditions.
Key Points
Calcium sulfate is detected by ChemCam in veins crossing fine‐grained sedimentsVeins cross various sediments as a result of postdepositional diagenesisCalcium sulfate veins formed through prolonged subsurface fluid circulation |
| doi_str_mv | 10.1002/2013JE004588 |
| format | Article |
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Key Points
Calcium sulfate is detected by ChemCam in veins crossing fine‐grained sedimentsVeins cross various sediments as a result of postdepositional diagenesisCalcium sulfate veins formed through prolonged subsurface fluid circulation</description><identifier>ISSN: 2169-9097</identifier><identifier>EISSN: 2169-9100</identifier><identifier>DOI: 10.1002/2013JE004588</identifier><language>eng</language><publisher>Washington: Blackwell Publishing Ltd</publisher><subject>alteration ; Calcium ; Calcium sulfate ; ChemCam ; Curiosity ; Diagenesis ; Earth Sciences ; Fluvial sediments ; Gypsum ; LIBS ; Lithification ; Mars ; Sciences of the Universe ; Sediments ; Sulfates ; Sulfur ; Veins (geology)</subject><ispartof>Journal of geophysical research. Planets, 2014-09, Vol.119 (9), p.1991-2016</ispartof><rights>2014. American Geophysical Union. 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M.</creatorcontrib><creatorcontrib>Mangold, N.</creatorcontrib><creatorcontrib>Schröder, S.</creatorcontrib><creatorcontrib>Kah, L. C.</creatorcontrib><creatorcontrib>Dromart, G.</creatorcontrib><creatorcontrib>Ollila, A.</creatorcontrib><creatorcontrib>Johnson, J. R.</creatorcontrib><creatorcontrib>Oehler, D. Z.</creatorcontrib><creatorcontrib>Bridges, J. C.</creatorcontrib><creatorcontrib>Le Mouélic, S.</creatorcontrib><creatorcontrib>Forni, O.</creatorcontrib><creatorcontrib>Wiens, R.C.</creatorcontrib><creatorcontrib>Anderson, R. B.</creatorcontrib><creatorcontrib>Blaney, D. L.</creatorcontrib><creatorcontrib>Bell III, J.F.</creatorcontrib><creatorcontrib>Clark, B.</creatorcontrib><creatorcontrib>Cousin, A.</creatorcontrib><creatorcontrib>Dyar, M. D.</creatorcontrib><creatorcontrib>Ehlmann, B.</creatorcontrib><creatorcontrib>Fabre, C.</creatorcontrib><creatorcontrib>Gasnault, O.</creatorcontrib><creatorcontrib>Grotzinger, J.</creatorcontrib><creatorcontrib>Lasue, J.</creatorcontrib><creatorcontrib>Lewin, E.</creatorcontrib><creatorcontrib>Léveillé, R.</creatorcontrib><creatorcontrib>McLennan, S.</creatorcontrib><creatorcontrib>Maurice, S.</creatorcontrib><creatorcontrib>Meslin, P.-Y.</creatorcontrib><creatorcontrib>Rapin, W.</creatorcontrib><creatorcontrib>Rice, M.</creatorcontrib><creatorcontrib>Squyres, S. W.</creatorcontrib><creatorcontrib>Stack, K.</creatorcontrib><creatorcontrib>Sumner, D. Y.</creatorcontrib><creatorcontrib>Vaniman, D.</creatorcontrib><creatorcontrib>Wellington, D.</creatorcontrib><title>Calcium sulfate veins characterized by ChemCam/Curiosity at Gale crater, Mars</title><title>Journal of geophysical research. Planets</title><addtitle>J. Geophys. Res. Planets</addtitle><description>The Curiosity rover has analyzed abundant light‐toned fracture‐fill material within the Yellowknife Bay sedimentary deposits. The ChemCam instrument, coupled with Mastcam and ChemCam/Remote Micro Imager images, was able to demonstrate that these fracture fills consist of calcium sulfate veins, many of which appear to be hydrated at a level expected for gypsum and bassanite. Anhydrite is locally present and is found in a location characterized by a nodular texture. An intricate assemblage of veins crosses the sediments, which were likely formed by precipitation from fluids circulating through fractures. The presence of veins throughout the entire ~5 m thick Yellowknife Bay sediments suggests that this process occurred well after sedimentation and cementation/lithification of those sediments. The sulfur‐rich fluids may have originated in previously precipitated sulfate‐rich layers, either before the deposition of the Sheepbed mudstones or from unrelated units such as the sulfates at the base of Mount Sharp. The occurrence of these veins after the episodes of deposition of fluvial sediments at the surface suggests persistent aqueous activity in relatively nonacidic conditions.
Key Points
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Planets</addtitle><date>2014-09</date><risdate>2014</risdate><volume>119</volume><issue>9</issue><spage>1991</spage><epage>2016</epage><pages>1991-2016</pages><issn>2169-9097</issn><eissn>2169-9100</eissn><abstract>The Curiosity rover has analyzed abundant light‐toned fracture‐fill material within the Yellowknife Bay sedimentary deposits. The ChemCam instrument, coupled with Mastcam and ChemCam/Remote Micro Imager images, was able to demonstrate that these fracture fills consist of calcium sulfate veins, many of which appear to be hydrated at a level expected for gypsum and bassanite. Anhydrite is locally present and is found in a location characterized by a nodular texture. An intricate assemblage of veins crosses the sediments, which were likely formed by precipitation from fluids circulating through fractures. The presence of veins throughout the entire ~5 m thick Yellowknife Bay sediments suggests that this process occurred well after sedimentation and cementation/lithification of those sediments. The sulfur‐rich fluids may have originated in previously precipitated sulfate‐rich layers, either before the deposition of the Sheepbed mudstones or from unrelated units such as the sulfates at the base of Mount Sharp. The occurrence of these veins after the episodes of deposition of fluvial sediments at the surface suggests persistent aqueous activity in relatively nonacidic conditions.
Key Points
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| fulltext | fulltext |
| identifier | ISSN: 2169-9097 |
| ispartof | Journal of geophysical research. Planets, 2014-09, Vol.119 (9), p.1991-2016 |
| issn | 2169-9097 2169-9100 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_01301703v1 |
| source | Wiley Free Content; Wiley Online Library Journals Frontfile Complete; Alma/SFX Local Collection |
| subjects | alteration Calcium Calcium sulfate ChemCam Curiosity Diagenesis Earth Sciences Fluvial sediments Gypsum LIBS Lithification Mars Sciences of the Universe Sediments Sulfates Sulfur Veins (geology) |
| title | Calcium sulfate veins characterized by ChemCam/Curiosity at Gale crater, Mars |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-02T21%3A15%3A14IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_hal_p&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Calcium%20sulfate%20veins%20characterized%20by%20ChemCam/Curiosity%20at%20Gale%20crater,%20Mars&rft.jtitle=Journal%20of%20geophysical%20research.%20Planets&rft.au=Nachon,%20M.&rft.date=2014-09&rft.volume=119&rft.issue=9&rft.spage=1991&rft.epage=2016&rft.pages=1991-2016&rft.issn=2169-9097&rft.eissn=2169-9100&rft_id=info:doi/10.1002/2013JE004588&rft_dat=%3Cproquest_hal_p%3E1618153730%3C/proquest_hal_p%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1645365691&rft_id=info:pmid/&rfr_iscdi=true |