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

被引:226
|
作者
Blake, D. F. [1 ]
Morris, R. V. [2 ]
Kocurek, G. [3 ]
Morrison, S. M. [4 ]
Downs, R. T. [4 ]
Bish, D. [5 ]
Ming, D. W. [2 ]
Edgett, K. S. [6 ]
Rubin, D. [7 ]
Goetz, W. [8 ]
Madsen, M. B. [9 ]
Sullivan, R. [10 ]
Gellert, R. [11 ]
Campbell, I. [11 ]
Treiman, A. H. [12 ]
McLennan, S. M. [13 ]
Yen, A. S. [14 ]
Grotzinger, J. [15 ]
Vaniman, D. T. [16 ]
Chipera, S. J. [17 ]
Achilles, C. N. [2 ]
Rampe, E. B. [2 ]
Sumner, D. [18 ]
Meslin, P-Y. [19 ]
Maurice, S. [19 ]
Forni, O. [19 ]
Gasnault, O. [19 ]
Fisk, M. [20 ]
Schmidt, M. [21 ]
Mahaffy, P. [22 ]
Leshin, L. A. [23 ]
Glavin, D. [22 ]
Steele, A. [24 ]
Freissinet, C. [22 ]
Navarro-Gonzalez, R. [25 ]
Yingst, R. A. [16 ]
Kah, L. C. [26 ]
Bridges, N. [27 ]
Lewis, K. W. [28 ]
Bristow, T. F. [1 ]
Farmer, J. D. [29 ]
Crisp, J. A. [14 ]
Stolper, E. M. [15 ]
Marais, D. J. Des [1 ]
Sarrazin, P. [30 ]
机构
[1] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA
[2] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA
[3] Univ Texas Austin, Dept Geol Sci, Austin, TX 78712 USA
[4] Univ Arizona, Dept Geol, Tucson, AZ 85721 USA
[5] Indiana Univ, Dept Geol Sci, Bloomington, IN 47405 USA
[6] Malin Space Sci Syst, San Diego, CA 92191 USA
[7] US Geol Survey, Santa Cruz, CA 95060 USA
[8] Max Planck Inst Sonnensyst Forsch, D-37191 Katlenburg Lindau, Germany
[9] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark
[10] Cornell Univ, Ctr Radiophys & Space Res, Ithaca, NY 14850 USA
[11] Univ Guelph, Guelph, ON N1G 2W1, Canada
[12] Lunar & Planetary Inst, Houston, TX 77058 USA
[13] SUNY Stony Brook, Stony Brook, NY 11790 USA
[14] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[15] CALTECH, Pasadena, CA 91125 USA
[16] Planetary Sci Inst, Tucson, AZ 85719 USA
[17] Chesapeake Energy, Oklahoma City, OK 73102 USA
[18] Univ Calif Davis, Davis, CA 95616 USA
[19] UPS OMP CNRS, IRAP, F-31028 Toulouse, France
[20] Oregon State Univ, Corvallis, OR 97331 USA
[21] Finnish Meteorol Inst, FI-00101 Helsinki, Finland
[22] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[23] Rensselaer Polytech Inst, Troy, NY 12180 USA
[24] Carnegie Inst Sci, Geophys Lab, Washington, DC 20015 USA
[25] Univ Nacl Autonoma Mexico, Mexico City 04510, DF, Mexico
[26] Univ Tennessee, Dept Earth & Planetary Sci, Knoxville, TN 37996 USA
[27] Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA
[28] Princeton Univ, Princeton, NJ 08544 USA
[29] Arizona State Univ, Phoenix, AZ 85004 USA
[30] SETI Inst, Mountain View, CA 94043 USA
关键词
MERIDIANI-PLANUM; GUSEV CRATER; CALIBRATION; MINERALOGY; SALTATION; DEPOSITS; DUST; SOIL;
D O I
10.1126/science.1239505
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
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 similar to 55% crystalline material consistent with a basaltic heritage and similar to 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.
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页数:7
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