Ĉi tio estas modifita bildo, kio signifas, ke ĝi ekestis per cifereca aliigo de la origina versio. Modifoj: Cropped North Atlantic. La originaĵo videblas ĉi tie: Earth seafloor crust age 1996.gif. La modifojn faris Pasixxxx.

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Originala alŝutada protokolo

This image is a derivative work of the following images:

• File:Earth_seafloor_crust_age_1996.gif licensed with PD-USGov-NOAA
  • 2005-08-03T02:55:50Z Saperaud 1624x1020 (917371 Bytes) 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 ; original upload in english wikipedia 31 March 2005 by [[:en:Use

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