It's actually called "Guadalupe" rock, and here's a much better color MI
In for a penny, in for a pound...put together the two MI images of Guadalupe after the RAT's been gnawing at it, and merged it with the larger PanCam color image:
(click for full-size image)
I'm surprised it turned out as well as it did, considering that I had to enlarge the color pixels 1200% to match them with the MI pixels.