Plate Tectonics Maps

World Map of Ocean Floor (click the map for a better view)
North America Map of Ocean Floor (click the map for a better view)	Age of Oceanic Crust (North America) (click the map for a better view)
Age of Oceanic Crust (World Map) (click the map for a better view)
Earthquake Epicenters (click the map for a better view)

evolution of the continents
 

evolution of the continents

earth from Apollo 17
 

earth from Apollo 17