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Published May 22, 2009 | Supplemental Material
Journal Article Open

Exploration of Victoria Crater by the Mars Rover Opportunity

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.

Additional Information

© 2009 American Association for the Advancement of Science. 29 December 2008; accepted 31 March 2009. This research was carried out for the Jet Propulsion Laboratory, California Institute of Technology, under a contract with NASA.

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