C uriosity continues to make progress along the margin of upper Gediz Vallis ridge, investigating the broken bedrock in our workspace and acquiring images of the ridge deposit as the rover drives ...

These cycles can be seen in evidence of mud cracks; shallow, salty lakes; and, directly below the channel, cataclysmic debris flows that piled up to create the sprawling Gediz Vallis ridge.

The rover’s exploration of Gediz Vallis revealed evidence of both ancient floods and landslides. Rounded stones suggest water flows, while angular rocks indicate dry avalanches. On June 18 ...