Age of oceanic crust. (See also Image:Earth seafloor crust age poster.gif) Source: Excerpted from http://www.ngdc.noaa.gov/mgg/image/crustageposter.gif ;...
CrustalAge.jpg) Author Dr. Peter Sloss, NGDC Permission (Reusing this file) Other versions File:WorldCrustalAge.png, file:Earth seafloor crust age 1996...