Sol 4140, September 17, 2015. Mission scientists are scanning the floor of Marathon Valley with the Pancam, looking for exposures of the “reddish banded” rock which has exposures in the valley and up on the rim. This unit may be the rock that was seen to contain phyllosilicates (clay minerals) from orbit. This partial false-color composite by Holger Isenberg shows hints of warm tints at left, as well as traces of a polygonal structure in the bedrock. (Click to enlarge.)
Opportunity raw images, its latest mission status, a location map. and atmospheric opacity, known as tau.