At the eastern side of the McClure-Beverlin escarpment, Opportunity’s the left-side Pancam images (using filter #7) a clumpy rock with a markedly different texture than its neighbors.
Opportunity raw images, its latest mission status and location map. (Note: due to a computer issue at JPL, the raw-images page link given here does not always show the latest-received sol’s images. Use the first link in the text for Sol 3604 Pancam images.)