Iapygia Quadrangle

The Iapygia quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Iapygia quadrangle is also referred to as MC-21 (Mars Chart-21).

The Iapygia quadrangle covers the area from 270° to 315° west longitude and from 0° to 30° south latitude on Mars. The largest crater in this quadrangle is Huygens. Some interesting features in this quadrangle are dikes,. the many layers found in Terby Crater, and the presence of carbonates on the rim of Huygens Crater.