Andes Mountains-Plate Tectonics
Cochise College                                                                                        
Geology Home Page 
Geology Exploration Using Google Earth
The Andes Mountains in Detail
Roger Weller, geology instructor 
( )

last edited:  1/25/17 

     Under pressure from South America moving to the West and the Nazca oceanic plate moving to
the East, the rocks and volcanoes in the central Andes Mountains are slowly being crushed and folded. 

Location of the Peru-Chile Trench and the eastward moving Nazca Oceanic Plate
     The trench is marked in orange while different aspects of the Nazca platre are outlined in red.


Just credit photos to Google Earth/R.Weller/Cochise College.