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              Mars- Mawrth Vallis  
Attached Dunes within the High Resolution Strip
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Attached dunes are always adjacent and in contact
with topographic highs.  They often develop a spiky shape.
 Example of attached dunes
photo source: Google Mars, USGS, JPL, University of Arizona

Other examples of attached dunes (7 views)
example 1
example 2
example 3
example 4
example 5
example 6
example 7

Source of photos: Google Mars with the original sources consisting of United States Geological Survey,
Jet Propulsion Laboratory, and the University of Arizona.

 Also visit: Cochise College Mars Landforms , Mars Explored, 
Cochise College Geology Home Page
 Roger Weller, geology instructor (  last edited:  10/28/15