This Microscopic Imager (MI) mosaic of a hole ground by the Rock Abrasion Tool (RAT) on Opportunity was acquired on sol 2116-2117 (7-8 January 2010). The image was colorized using lower-resolution data from a sol 2117 Pancam image.
NASA / JPL-Caltech / Cornell / ASU / Damia Bouic
Pancam context view of the RAT hole on Marquette Island, sol 2117
NASA / JPL-Caltech
Opportunity's RAT on Marquette Island, sol 2068 (November 17, 2009)
Opportunity paused in its trek toward Endeavour crater to place the Rock Abrasion Tool on a rock named "Marquette Island."