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Tectonic Evolution of the Southern Appalachian Mountains—400 Million Years Ago

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Summary

400 Million Years Ago—Iapetus Ocean Narrows during Subduction. Oceanic sediments and volcanic islands were at times added to the edge of North America.

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plate tectonics geology geologic resources division southern appalachian mountains tectonic evolution million years iapetus ocean oceanic sediments north america national parks gallery high resolution
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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, Southern Appalachian Mountains, Tectonic Evolution

Topics

plate tectonics geology geologic resources division southern appalachian mountains tectonic evolution million years iapetus ocean oceanic sediments north america national parks gallery high resolution