Exploration of Victoria crater by the mars rover opportunity
Science
By: S. W. Squyres, A.H. Knoll, R. E. Arvidson, James W. Ashley, J.F. Bell III, W. M. Calvin, P. R. Christensen, B. C. Clark, B. A. Cohen, P.A. De Souza Jr., L. Edgar, W. H. Farrand, I. Fleischer, Ralf Gellert, M.P. Golombek, J. Grant, J. Grotzinger, A. Hayes, K. E. Herkenhoff, J. R. Johnson, B. Jolliff, G. Klingelhofer, A. Knudson, R. Li, T.J. McCoy, S. M. McLennan, D. W. Ming, D. W. Mittlefehldt, R.V. Morris, J. W. Rice Jr., C. Schroder, R.J. Sullivan, A. Yen, and R.A. Yingst
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Abstract
The Mars rover Opportunity has explored Victoria crater, a ???750-meter eroded impact crater formed in sulfate-rich sedimentary rocks. Impact-related stratigraphy is preserved in the crater walls, and meteoritic debris is present near the crater rim. The size of hematite-rich concretions decreases up-section, documenting variation in the intensity of groundwater processes. Layering in the crater walls preserves evidence of ancient wind-blown dunes. Compositional variations with depth mimic those ???6 kilometers to the north and demonstrate that water-induced alteration at Meridiani Planum was regional in scope.
Suggested Citation
Squyres, S.W., Knoll, A., Arvidson, R., Ashley, J.W., Bell, J., Calvin, W.M., Christensen, P.R., Clark, B., Cohen, B.A., De Souza, P., Edgar, L., Farrand, W.H., Fleischer, I., Gellert, R., Golombek, M., Grant, J., Grotzinger, J., Hayes, A., Herkenhoff, K.E., Johnson, J.R., Jolliff, B., Klingelhofer, G., Knudson, A., Li, R., McCoy, T., McLennan, S.M., Ming, D.W., Mittlefehldt, D.W., Morris, R., Rice, J.W., Schroder, C., Sullivan, R., Yen, A., Yingst, R., 2009, Exploration of Victoria crater by the mars rover opportunity: Science, v. 324, no. 5930, p. 1058-1061, https://doi.org/10.1126/science.1170355.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Exploration of Victoria crater by the mars rover opportunity |
| Series title | Science |
| DOI | 10.1126/science.1170355 |
| Volume | 324 |
| Issue | 5930 |
| Year Published | 2009 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Science |
| First page | 1058 |
| Last page | 1061 |