Exploration of Victoria Crater by the Mars Rover Opportunity
- 22 May 2009
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 324 (5930), 1058-1061
- https://doi.org/10.1126/science.1170355
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.This publication has 24 references indexed in Scilit:
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