X-ray Diffraction Results from Mars Science Laboratory: Mineralogy of Rocknest at Gale Crater

被引：330

作者：

Bish, D. L. ^{[1
]}

Blake, D. F. ^{[2
]}

Vaniman, D. T. ^{[3
]}

Chipera, S. J. ^{[4
]}

Morris, R. V. ^{[5
]}

Ming, D. W. ^{[5
]}

Treiman, A. H. ^{[6
]}

Sarrazin, P. ^{[7
]}

Morrison, S. M. ^{[8
]}

Downs, R. T. ^{[8
]}

Achilles, C. N. ^{[9
]}

Yen, A. S. ^{[10
]}

Bristow, T. F. ^{[2
]}

Crisp, J. A. ^{[10
]}

Morookian, J. M. ^{[10
]}

Farmer, J. D. ^{[11
]}

Rampe, E. B. ^{[5
]}

Stolper, E. M. ^{[12
]}

Spanovich, N. ^{[10
]}

机构：

[1] Indiana Univ, Dept Geol Sci, Bloomington, IN 47405 USA

[2] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA

[3] Planetary Sci Inst, Tucson, AZ 85719 USA

[4] Chesapeake Energy, Oklahoma City, OK 73154 USA

[5] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA

[6] Lunar & Planetary Inst, Houston, TX 77058 USA

[7] In Xitu, Campbell, CA 95008 USA

[8] Univ Arizona, Dept Geol, Tucson, AZ 85721 USA

[9] United Technol Corp Aerosp Syst, Engn & Sci Contract Grp, Houston, TX 77058 USA

[10] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[11] Arizona State Univ, Dept Geol Sci, Tempe, AZ 85287 USA

[12] CALTECH, Pasadena, CA 91125 USA

来源：

SCIENCE | 2013年 / 341卷 / 6153期

基金：

美国国家航空航天局;

关键词：

GUSEV CRATER; COLUMBIA HILLS; DUST; SPECTROMETER; CALIBRATION; CHEMISTRY; CURIOSITY; SOIL;

D O I：

10.1126/science.1238932

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 Mars Science Laboratory rover Curiosity scooped samples of soil from the Rocknest aeolian bedform in Gale crater. Analysis of the soil with the Chemistry and Mineralogy (CheMin) x-ray diffraction (XRD) instrument revealed plagioclase (similar to An57), forsteritic olivine (similar to Fo62), augite, and pigeonite, with minor K-feldspar, magnetite, quartz, anhydrite, hematite, and ilmenite. The minor phases are present at, or near, detection limits. The soil also contains 27 +/- 14 weight percent x-ray amorphous material, likely containing multiple Fe3+- and volatile-bearing phases, including possibly a substance resembling hisingerite. The crystalline component is similar to the normative mineralogy of certain basaltic rocks from Gusev crater on Mars and of martian basaltic meteorites. The amorphous component is similar to that found on Earth in places such as soils on the Mauna Kea volcano, Hawaii.

引用

页数：5

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