Surficial deposits at Gusev crater along Spirit Rover traverses

J. A. Grant, R. Arvidson, James Bell, N. A. Cabrol, M. H. Carr, Philip Christensen, L. Crumpler, D. J. Des Marais, B. L. Ehlmann, Jack Farmer, M. Golombek, F. D. Grant, R. Greeley, K. Herkenhoff, R. Li, H. Y. McSween, D. W. Ming, J. Moersch, J. W. Rice, Steven RuffL. Richter, S. Squyres, R. Sullivan, C. Weitz

Research output: Contribution to journalArticlepeer-review

78 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)807-810
Number of pages4
Issue number5685
StatePublished - Aug 6 2004

ASJC Scopus subject areas

  • General


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