The bottom portion of this VIS image shows part of Gorgonum Chaos. Chaos terrain is typified by regions of blocky, often steep sided, mesas interspersed with deep valleys. With time and erosion the valleys widen and the mesas become smaller. Chaotic regions form when groundwater escapes to the surface, undermining it and causing the ground to collapse. Gorgonum Chaos is located in Terra Sirenum. Orbit Number: 93127 Latitude: -36.2057 Longitude: 190.355 Instrument: VIS Captured: 2022-12-12 08:25 https://photojournal.jpl.nasa.gov/catalog/PIA25820