NASA's Mars Rover Curiosity captured a 2015 photograph of the Kimberley Formation in Gale Crater, revealing thick, finely laminated mudstone deposits from a standing water body.
NASA's Mars Rover Curiosity captured a photograph of cross-bedded sandstone on Mars' Mount Sharp, resembling wind-blown sand outcrops in the U.S. Southwest and Utah.
NASA's Mars Rover Curiosity captured a 2012 photograph of an outcrop in the Gale Crater, with balanced color to resemble Earth.
NASA's Mars Rover Curiosity captured a 2012 photograph of an outcrop with a sedimentary structure similar to Earth's cross-bedded sandstones. Cross bedding, where large-scale layering is inclined to the left, reveals changes in wind or water flow direction over time.
"Heat Shield Rock," the first meteorite discovered on another planet, was discovered by NASA's Mars Exploration Rover Opportunity in 2005 using a spectrophotometer.
The image depicts a field with volcanic rock resembling Earth's scoria, discovered by the Spirit Rover, with a rough surface and vesicles.