Surficial deposits at Gusev crater along Spirit Rover traverses

被引：70

作者：

Grant, JA ^{[1
]}

Arvidson, R

Bell, JF

Cabrol, NA

Carr, MH

Christensen, P

Crumpler, L

Des Marais, DJ

Ehlmann, BL

Farmer, J

Golombek, M

Grant, FD

Greeley, R

Herkenhoff, K

Li, R

McSween, HY

Ming, DW

Moersch, J

Rice, JW

Ruff, S

Richter, L

Squyres, S

Sullivan, R

Weitz, C

机构：

[1] Smithsonian Inst, Natl Air & Space Museum, Ctr Earth & Planetary Studies, Washington, DC 20560 USA

[2] Washington Univ, Dept Earth & Planetary Sci, St Louis, MO 63130 USA

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

[4] NASA, Ames Res Ctr, SETI Inst, Div Space Sci, Moffett Field, CA 94035 USA

[5] US Geol Survey, Menlo Pk, CA 94025 USA

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

[7] New Mexico Museum Nat Hist & Sci, Albuquerque, NM 87104 USA

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

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

[10] US Geol Survey, Flagstaff, AZ 86001 USA

[11] Ohio State Univ, Dept Civil & Environm Engn & Geodet Sci, Columbus, OH 43210 USA

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

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

[14] DLR, Inst Space Simulat, D-51170 Cologne, Germany

[15] NASA Headquarters, Washington, DC 20560 USA

来源：

SCIENCE | 2004年 / 305卷 / 5685期

关键词：

D O I：

10.1126/science.1099849

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 Exploration Rover Spirit has traversed a fairly flat, rock-strewn terrain whose surface is shaped primarily by impact events, although some of the landscape has been altered by eolian processes. Impacts ejected basaltic rocks that probably were part of locally formed lava flows from at least 10 meters depth. Some rocks have been textured and/or partially buried by windblown sediments less than 2 millimeters in diameter that concentrate within shallow, partially filled, circular impact depressions referred to as hollows. The terrain traversed during the 90-sol (martian solar day) nominal mission shows no evidence for an ancient lake in Gusev crater.

引用

页码：807 / 810

页数：4

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