Eridania Basin, located at the head of Maadim Vallis, has mounting geomorphic and spectral evidence that it may have been the site of an ancient inland sea. This image is from NASA Mars Reconnaissance Orbiter.
Eridania Basin, located at the head of Maadim Vallis, has mounting geomorphic and spectral evidence that it may have been the site of an ancient inland sea. This image is from NASA Mars Reconnaissance Orbiter.