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Curiosity at Gale Crater, Mars: Characterization and Analysis of the Rocknest Sand Shadow

Blake, D. F. and Morris, R. V. and Kocurek, G. and Morrison, S. M. and Downs, R. T. and Bish, D. and Ming, D. W. and Edgett, K. S. and Rubin, D. and Goetz, W. and Madsen, M. B. and Sullivan, R. and Gellert, R. and Campbell, I. and Treiman, A. H. and McLennan, S. M. and Yen, A. S. and Grotzinger, J. and Vaniman, D. T. and Chipera, S. J. and Achilles, C. N. and Rampe, E. B. and Sumner, D. and Meslin, P.-Y. and Maurice, S. and Forni, O. and Gasnault, O. and Fisk, M. and Schmidt, M. and Mahaffy, P. and Leshin, L. A. and Glavin, D. and Steele, A. and Freissinet, C. and Navarro-González, R. and Yingst, R. A. and Kah, L. C. and Bridges, N. and Lewis, K. W. and Bristow, T. F. and Farmer, J. D. and Crisp, J. A. and Stolper, E. M. and Des Marais, D. J. and Sarrazin, P. (2013) Curiosity at Gale Crater, Mars: Characterization and Analysis of the Rocknest Sand Shadow. Science, 341 (6153). Art. No. 1239505. ISSN 0036-8075. doi:10.1126/science.1239505.

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The Rocknest aeolian deposit is similar to aeolian features analyzed by the Mars Exploration Rovers (MERs) Spirit and Opportunity. The fraction of sand <150 micrometers in size contains ~55% crystalline material consistent with a basaltic heritage and ~45% x-ray amorphous material. The amorphous component of Rocknest is iron-rich and silicon-poor and is the host of the volatiles (water, oxygen, sulfur dioxide, carbon dioxide, and chlorine) detected by the Sample Analysis at Mars instrument and of the fine-grained nanophase oxide component first described from basaltic soils analyzed by MERs. The similarity between soils and aeolian materials analyzed at Gusev Crater, Meridiani Planum, and Gale Crater implies locally sourced, globally similar basaltic materials or globally and regionally sourced basaltic components deposited locally at all three locations.

Item Type:Article
Related URLs:
URLURL TypeDescription PDF Article HTML Aticle
Blake, D. F.0000-0002-0834-4487
Downs, R. T.0000-0002-8380-7728
Ming, D. W.0000-0003-0567-8876
Edgett, K. S.0000-0001-7197-5751
Madsen, M. B.0000-0001-8909-5111
Gellert, R.0000-0001-7928-834X
Treiman, A. H.0000-0002-8073-2839
McLennan, S. M.0000-0003-4259-7178
Grotzinger, J.0000-0001-9324-1257
Vaniman, D. T.0000-0001-7661-2626
Achilles, C. N.0000-0001-9185-6768
Rampe, E. B.0000-0002-6999-0028
Meslin, P.-Y.0000-0002-0703-3951
Forni, O.0000-0001-6772-9689
Gasnault, O.0000-0002-6979-9012
Mahaffy, P.0000-0003-1896-1726
Yingst, R. A.0000-0002-0628-4265
Kah, L. C.0000-0001-7172-2033
Lewis, K. W.0000-0003-3412-803X
Bristow, T. F.0000-0001-6725-0555
Crisp, J. A.0000-0002-3202-4416
Stolper, E. M.0000-0001-8008-8804
Alternate Title:Curiosity at Gale Crater
Additional Information:© 2013 American Association for the Advancement of Science. Received 23 April 2013; accepted 31 July 2013. Support from the NASA Mars Science Laboratory Mission is gratefully acknowledged. The chemical and mineralogical data presented here are derived from the archived data sets in the NASA Planetary Data System (PDS), specifically MSL-M-CHEMIN-2-EDR-V1.0 and MSL-M-APXS-2-EDR-V1.0. M.B.M. was funded by the Danish Council for Independent Research/Natural Sciences (Det Frie Forskningsråd Natur og Univers FNU grants 12-127126 and 11-107019). W.G. acknowledges partial funding by the Deutsche Forschungsgemeinschaft (DFG grant GO 2288/1-1). Some of this research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with NASA.
Funding AgencyGrant Number
Danish Council for Independent Research-Natural Sciences12-127126
Danish Council for Independent Research-Natural Sciences11-107019
Deutsche Forschungsgemeinschaft (DFG)GO 2288/1-1
Subject Keywords:Rocknest ; Gale Crater ; Mars Science Laboratory ; Curiosity
Non-Subject Keywords:Mars Science Laboratory ; Curiosity ; NASA
Issue or Number:6153
Record Number:CaltechAUTHORS:20130930-103646827
Persistent URL:
Official Citation:Curiosity at Gale Crater, Mars: Characterization and Analysis of the Rocknest Sand Shadow D. F. Blake, R. V. Morris, G. Kocurek, S. M. Morrison, R. T. Downs, D. Bish, D. W. Ming, K. S. Edgett, D. Rubin, W. Goetz, M. B. Madsen, R. Sullivan, R. Gellert, I. Campbell, A. H. Treiman, S. M. McLennan, A. S. Yen, J. Grotzinger, D. T. Vaniman, S. J. Chipera, C. N. Achilles, E. B. Rampe, D. Sumner, P.-Y. Meslin, S. Maurice, O. Forni, O. Gasnault, M. Fisk, M. Schmidt, P. Mahaffy, L. A. Leshin, D. Glavin, A. Steele, C. Freissinet, R. Navarro-González, R. A. Yingst, L. C. Kah, N. Bridges, K. W. Lewis, T. F. Bristow, J. D. Farmer, J. A. Crisp, E. M. Stolper, D. J. Des Marais, P. Sarrazin, and MSL Science Team Science 27 September 2013: 341 (6153), 1239505 [DOI:10.1126/science.1239505]
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:41551
Deposited By: Tony Diaz
Deposited On:30 Sep 2013 18:53
Last Modified:10 Nov 2021 04:31

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