'Pot of Gold'
This false-color image taken by the panoramic camera on the Mars Exploration Rover Spirit shows the rock dubbed "Pot of Gold" (upper left), located near the base of the "Columbia Hills" in Gusev Crater. The rock's nodules and layered appearance have inspired rover team members to investigate the rock's detailed chemistry in coming sols. This picture was taken on sol 158 (June 13, 2004).
Image Credit: NASA/JPL/Cornell
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