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Bruce Murray Space Image Library

Clay coatings on Whitewater Lake rocks at Endeavour's rim, sol 3074

Clay coatings on Whitewater Lake rocks at Endeavour's rim, sol 3074
Clay coatings on Whitewater Lake rocks at Endeavour's rim, sol 3074 Unusual dark coatings on rocks at the "Whitewater Lake" outcrop on Endeavour Crater's rim appear to contain clay minerals. Opportunity took this photo on sol 3074 (16 September 2012). NASA / JPL-Caltech / Cornell