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Tectonic Development of the Appalachian—Ouachita—Marathon Mountain Range (2 of 3)

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Summary

250 Million Years Ago—Iapetus Ocean Closes. Pangea forms as the continents collide. The Appalachians are part of a larger zone of continental collision that includes the Marathon and Ouachita mountains in the southern United States, the Atlas Mountains in Africa, and the Caledonide Mountains in Greenland, the British Isles, and Scandinavia.

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plate tectonics geology geologic resources division marathon mountain range tectonic development ouachita mountains atlas mountains caledonide mountains million years iapetus ocean pangea forms continents collide british isles national parks gallery high resolution morocco
date_range

Date

2019
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Source

National Parks Gallery
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Link

https://npgallery.nps.gov/
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Public Domain Dedication

label_outline Explore Iapetus Ocean, Ouachita Mountains, Million Years

Topics

plate tectonics geology geologic resources division marathon mountain range tectonic development ouachita mountains atlas mountains caledonide mountains million years iapetus ocean pangea forms continents collide british isles national parks gallery high resolution morocco