Astrogeology Science Center

Eroding Dunes and Dust Devil Tracks in Terra Cimmeria
Eroding Dunes and Dust Devil Tracks in Terra Cimmeria
Ongoing Dune Activity in Ganges Chasma
Ongoing Dune Activity in Ganges Chasma
USGS Dune Database Entry Number 1863-568
USGS Dune Database Entry Number 1863-568

A detailed classification system for Martian dunes is currently in the works. However, we have summarized current classifications below. You can find more information on terrestrial dune classification by clicking here.

Barchan

Abbreviation: B
Crescent in plan view, 1 slipface (McKee, 1979)
Barchanoid

Abbreviation: Bd
Row of connected crescents in plan view, 1 slipface (McKee, 1979)
Transverse

Abbreviation: T
Asymmetrical ridge, 1 slipface (McKee, 1979)
Linear

Abbreviation: L
Symmetrical ridge, 2 slilpfaces (McKee, 1979)
Star

Abbreviation: S
Central peak with 3 or more arms, 3 or more slipfaces (McKee, 1979)
Dome

Abbreviation: D
Circular or elliptical mound, no slipfaces (McKee, 1979)
Sand Sheet

Abbreviation: SS
Sheetlike with broad, flat surface, no slipfaces (McKee, 1979)
The following are some dune types that have not yet been classified. This is typically due to lack of suitably detailed images.