Mars - Sulcus (long shallow trench)                               
Cochise College   

Mars Landforms
Mars Explored
Geology Home Page  

Roger Weller, geology instructor ( wellerr@cochise.edu  )
Last edited:  10/11/17     copyright 2014-R.Weller

number of views: 4
 
The plural of sulcus is sulci.
 
The photos are all courtesy of NASA and USGS.       

photos of sulci

numbered sulci (unnamed):   1