This image, from NASA Mariner 10 spacecraft which launched in 1974, shows a crater just north of the Caloris Planitia displays interior and central peaks rising up from a hilly floor.
Interior Peaks and Hilly Floored Crater
This image, from NASA Mariner 10 spacecraft which launched in 1974, shows a crater just north of the Caloris Planitia displays interior and central peaks rising up from a hilly floor.