A SI A NORTH AMERICA Figure 5.24 The ages of portions of the Pacific Ocean floor, based on core samples of sediments just above the ba- salt seabed, in millions of years ago (Ma, mega-annum). The youngest sediments AUSTRALIA are found near the East Pacific Rise and the oldest close to the eastern side of the trenches. Age of Oceanic Crust on yan sa en pas a orrelmag e t s ANTARCTICA Copright 2016 Cengage Leaming. All Rights Reserved. May not be copied, scamed cor duplicated, in whole or in pari. Due to e lecronic righu, some third pany content may bte suppressed from the eBook andloreChapter(s. Edrorial review has deemed that any suppressed content does not malerially affect the overall learning experience. Cengage Learning reserves the right lo remove additicnal content at any time if subsequent rights restrictions require it. National Geographic Maps

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