File:Earth_seafloor_crust_age_poster.gif licensed with PD-USGov-NOAA 2005-08-03T03:01:00Z Saperaud 1728x2232 (1706521 Bytes) Age of oceaniccrust. (See also [[:Image:Earth
Africa Isochron Reduction.gif Oceanic Crust Sphere Map1.jpgSouthwestIndianRidgeOceanic-Crust.jpg English applies to jurisdiction: United States of America