Textures of the soils and rocks at Gusev crater from Spirit's Microscopic Imager

被引：76

作者：

Herkenhoff, KE ^{[1
]}

Squyres, SW

Arvidson, R

Bass, DS

Bell, JF

Bertelsen, P

Cabrol, NA

Gaddis, L

Hayes, AG

Hviid, SF

Johnson, JR

Kinch, KM

Madsen, MB

Maki, JN

McLennan, SM

McSween, HY

Rice, JW

Sims, M

Smith, PH

Soderblom, LA

Spanovich, N

Sullivan, R

Wang, A

机构：

[1] US Geol Survey, Astrogeol Team, Flagstaff, AZ 86001 USA

[2] Cornell Univ, Dept Astron, Ithaca, NY 14853 USA

[3] Washington Univ, Dept Earth & Space Sci, St Louis, MO 63130 USA

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

[5] Univ Copenhagen, Danish Space Res Inst, Ctr Planetary Sci, DK-1168 Copenhagen, Denmark

[6] Univ Copenhagen, Niels Bohr Inst Astron Phys & Geophys, DK-1168 Copenhagen, Denmark

[7] NASA, Ames Res Ctr, SETI Inst, Moffett Field, CA 94035 USA

[8] Max Planck Inst Aeron, D-37191 Katlenburg Lindau, Germany

[9] Aarhus Univ, Inst Phys & Astron, Aarhus, Denmark

[10] SUNY Stony Brook, Dept Geosci, Stony Brook, NY 11794 USA

[11] Univ Tennessee, Dept Earth & Planetary Sci, Knoxville, TN 37996 USA

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

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

[14] Univ Arizona, Lunar & Planetary Lab, Tucson, AZ 85721 USA

[15] Washington Univ, Dept Earth & Space Sci, St Louis, MO 63130 USA

[16] Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USA

来源：

SCIENCE | 2004年 / 305卷 / 5685期

关键词：

D O I：

10.1126/science.3050824

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 Microscopic Imager on the Spirit rover analyzed the textures of the soil and rocks at Gusev crater on Mars at a resolution of 100 micrometers. Weakly bound agglomerates of dust are present in the soil near the Columbia Memorial Station. Some of the brushed or abraded rock surfaces show igneous textures and evidence for alteration rinds, coatings, and veins consistent with secondary mineralization. The rock textures are consistent with a volcanic origin and subsequent alteration and/or weathering by impact events, wind, and possibly water.

引用

页码：824 / 826

页数：3

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