Inverted channels at the boundary of highlands and intercrater plains. This image targets inverted channels located at the boundary between Noachian highlands and Noachian intercrater plains bedrock. These channels are 200 to 500 meters wide, implying substantial fluvial activity. High-resolution imagery of these channels will aid in characterizing the amount of fluvial activity responsible for their formation. This location is also one of the few places where evidence of sedimentary processes operating to form intercrater plains has been clearly preserved.
Beautiful Mars series. [More at links]