Glaciers on Mars
Videos
Glaciers, loosely defined as patches of currently or recently flowing ice, are thought to be present across large but restricted areas of the modern Martian surface, and are inferred to have been more
Martian glacier moving down a valley, as seen by HiRISE under HiWish program.
Lineated valley fill in Ismenius Lacus quadrangle, as seen by HiRISE under HiWish program.
Close view of Lineated valley fill in Ismenius Lacus quadrangle, as seen by HiRISE under HiWish program
Close, color view of Lineated valley fill in Ismenius Lacus quadrangle, as seen by HiRISE under HiWish program
Fretted terrain
Videos
Fretted terrain is a type of surface feature common to certain areas of Mars and was discovered in Mariner 9 images. It lies between two different types of terrain. The surface of Mars can be divided
Fretted terrain of Ismenius Lacus showing flat floored valleys and cliffs. Photo taken with Mars Orbiter Camera (MOC)on the Mars Global Surveyor.
Enlargement of the photo on the left showing cliff. Photo taken with high resolution camera of Mars Global Surveyor (MGS).
Flat floored valley with steep cliffs in fretted terrain, as seen by HiRISE under HiWish program
Close-up of lineated valley fill (LVF), as seen by HiRISE under HiWish program Note: this is an enlargement of the previous CTX image.