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The Spirit Rover's Athena science investigation at Gusev Crater, MarsThe Mars Exploration Rover Spirit and its Athena science payload have been used to investigate a landing site in Gusev crater. Gusev is hypothesized to be the site of a former lake, but no clear evidence for lacustrine sedimentation has been found to date. Instead, the dominant lithology is basalt, and the dominant geologic processes are impact events and eolian transport. Many rocks exhibit coatings and other characteristics that may be evidence for minor aqueous alteration. Any lacustrine sediments that may exist at this location within Gusev apparently have been buried by lavas that have undergone subsequent impact disruption.
Document ID
20050151403
Acquisition Source
Johnson Space Center
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Squyres, S. W.
(Cornell Univ. Ithaca, NY, United States)
Arvidson, R. E.
(Washington Univ. Saint Louis, MO, United States)
Bell, J. F., III
(Cornell Univ. Ithaca, NY, United States)
Brueckner, J.
(Max-Planck-Inst. fuer Chemie Mainz, Germany)
Cabrol, N. A.
(NASA Ames Research Center Moffett Field, CA, United States)
Calvin, W.
(Nevada Univ. Reno, NV, United States)
Carr, M. H.
(Geological Survey Menlo Park, CA, United States)
Christensen, P. R.
(Arizona State Univ. Tempe, AZ, United States)
Clark, B. C.
(Lockheed Martin Corp. Littleton, CO, United States)
Crumpler, L.
(New Mexico Museum of Natural History and Science Albuquerque, NM, United States)
DesMarais, D. J.
(NASA Ames Research Center Moffett Field, CA, United States)
D'Uston, C.
(Centre d'Etude Spatiale des Rayonnements Toulouse, France)
Economou, T.
(Chicago Univ. Chicago, IL, United States)
Farmer, J.
(Arizona State Univ. Tempe, AZ, United States)
Folkner, W.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Golombek, M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Landis, G.
(NASA Glenn Research Center Cleveland, OH, United States)
Ming, D. W.
(NASA Johnson Space Center Houston, TX, United States)
Morris, R. V.
(NASA Johnson Space Center Houston, TX, United States)
Parker, T.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Sims, M.
(NASA Ames Research Center Moffett Field, CA, United States)
Smith, M.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Yen, A.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 23, 2013
Publication Date
August 6, 2004
Publication Information
Publication: Science
Volume: 305
Issue: 5685
ISSN: 0036-8075
Subject Category
Lunar And Planetary Science And Exploration
Distribution Limits
Public
Copyright
Other

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