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Mars Exploration Rover geologic traverse by the Spirit Rover in the plains of Gusev Crater, Mars

L. S. Crumpler, S. W. Squyres, R. E. Arvidson, J. F. Bell, D. Blaney, N. A. Cabrol, P. R. Christensen, D. J. DesMarais, J. D. Farmer, R. Fergason, M. P. Golombek, F. D. Grant, J. A. Grant, R. Greeley, B. Hahn, K. E. Herkenhoff, J. A. Hurowitz, A. T. Knudson, G. A. Landis, R. Li, J. Maki, H. Y. McSween, D. W. Ming, J. E. Moersch, M. C. Payne, J. W. Rice, L. Richter, S. W. Ruff, M. Sims, S. D. Thompson, N. Tosca, A. Wang, P. Whelley, S. P. Wright and M. B. Wyatt
Mars Exploration Rover geologic traverse by the Spirit Rover in the plains of Gusev Crater, Mars
Geology (Boulder) (October 2005) 33 (10): 809-812


The Spirit rover completed a 2.5 km traverse across gently sloping plains on the floor of Gusev crater from its location on the outer rim of Bonneville crater to the lower slopes of the Columbia Hills, Mars. Using the Athena suite of instruments in a transect approach, a systematic series of overlapping panoramic mosaics, remote sensing observations, surface analyses, and trenching operations documented the lateral variations in landforms, geologic materials, and chemistry of the surface throughout the traverse, demonstrating the ability to apply the techniques of field geology by remote rover operations. Textures and shapes of rocks within the plains are consistent with derivation from impact excavation and mixing of the upper few meters of basaltic lavas. The contact between surrounding plains and crater ejecta is generally abrupt and marked by increases in clast abundance and decimeter-scale steps in relief. Basaltic materials of the plains overlie less indurated and more altered rock types at a time-stratigraphic contact between the plains and Columbia Hills that occurs over a distance of one to two meters. This implies that regional geologic contacts are well preserved and that Earth-like field geologic mapping will be possible on Mars despite eons of overturn by small impacts.

ISSN: 0091-7613
EISSN: 1943-2682
Serial Title: Geology (Boulder)
Serial Volume: 33
Serial Issue: 10
Title: Mars Exploration Rover geologic traverse by the Spirit Rover in the plains of Gusev Crater, Mars
Affiliation: New Mexico Museum of Natural History and Science, Albuquerque, NM, United States
Pages: 809-812
Published: 200510
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
References: 21
Accession Number: 2005-074677
Categories: Extraterrestrial geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
Secondary Affiliation: Cornell University, USA, United StatesWashington University at St. Louis, USA, United StatesCalifornia Institute of Technology, USA, United StatesNASA, Ames/Search for Extraterrestrial Intelligence (SETI) Institute, USA, United StatesArizona State University, USA, United StatesNational Air and Space Museum, USA, United StatesState University of New York at Stony Brook, USA, United StatesU. S. Geological Survey, USA, United StatesNASA, Glenn Research Center, USA, United StatesOhio State University, Columbus, USA, United StatesUniversity of Tennessee, USA, United StatesNASA, Johnson Space Center, USA, United StatesDeutschen Zentrum fuer Luft- und Raumfahrt (DLR), DEU, Federal Republic of Germany
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data supplied by the Geological Society of America, Boulder, CO, United States
Update Code: 200545
Program Name: USGSOPNon-USGS publications with USGS authors
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