Martian Wrinkle Ridges
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Martian Landforms Distribution  Patterns
Cochise College- Mars Landforms

Mars Explored

Roger Weller, geology instructor ( wellerr@cochise.edu  )
last edited:  6/5/15 

 

types of features in this study

Wrinkle ridges are highly convoluted ridges that vary in width, height , and
length.  Commonly, they vary from 1 to 6 kilometers in width and may
reach of tens of  kilometers. The flat area on one side of the ridge is often
higher than the flat  area on the other side of the ridge, suggesting thrust
faulting or the complex edge of a lava flow.  Similar wrinkle ridges are
found on the Earth's Moon.
 

examples
 
width of view- 31 kilometers




2 wrinkle ridges crossing each other
width of view- 45 kilometers



close view of a wrinkle ridge
width of view- 300 meters



to see addition views of wrinkle ridges, click here:  wrinkle ridges

planetary distribution of wrinkle ridges

planetary view centered at 0 degrees longitude
  (few wrinkle ridges)



planetary view centered at 180 degrees longitude   (few wrinkle ridges)



maximum concentration #1 of wrinkle ridges at 112 degrees
East longitude

 


maximum concentration #1 in schematic format


tipped closer view of maximum concentration #1



tipped closer view of maximum concentration #1 in schematic format



The fracture pattern for maximum concentration #1 of wrinkle ridges resembles
the typical pattern of mud cracks, a tensional fracture pattern.

maximum concentration #2 of wrinkle ridges at 68 degrees
West longitude



maximum concentration #1 in schematic format


maximum concentration #2 of wrinkle ridges with Valles Marineris outlined



maximum concentration #2 of wrinkle ridges in schematic format with
Valles Marineris outlined


The wrinkle ridges in this area are nearly perpendicular to Valles Marineris and
are on opposite sides of this great chasm.

discussion