This VIS image shows the dune field on the floor of Halley Crater. Rather than small individual sand dunes, the sand here is collected into a sand sheet and dune forms have been created on that surface. Halley Crater is located on the western margin of Argyre Planitia. Orbit Number: 84413 Latitude: -48.8513 Longitude: 300.904 Instrument: VIS Captured: 2020-12-24 20:22 https://photojournal.jpl.nasa.gov/catalog/PIA24413