PIA03661: Aeolis Yardangs
This image from NASA's Mars Global Surveyor shows a group of tapered ridges, known as yardangs, which formed by wind erosion of a relatively easily-eroded material, most likely sedimentary rock or volcanic ash deposits.
 Target Name:  Mars
 Is a satellite of:  Sol (our sun)
 Mission:  Mars Global Surveyor (MGS) 
 Spacecraft:  Mars Global Surveyor Orbiter
 Instrument:  Mars Orbiter Camera (MOC) 
 Product Size:  640 x 1536 pixels (w x h) 
 Produced By:  Malin Space Science Systems 
 Producer ID:  MOC2-1340  
 Full-Res TIFF:  PIA03661.tif (984.3 kB)
 Full-Res JPEG:  PIA03661.jpg (267.4 kB)  

Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original)

Original Caption Released with Image:

12 January 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a group of tapered ridges, known as yardangs, which formed by wind erosion of a relatively easily-eroded material, most likely sedimentary rock or volcanic ash deposits containing some fraction of sand-sized grains.

Location near: 6.1°S, 210.8°W
Image width: ~2 km (~1.2 mi)
Illumination from: lower left
Season: Southern Summer

Image Credit:
NASA/JPL/Malin Space Science Systems

Image Addition Date:
2006-01-12