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According to scientific data, the Appalachian Mountains formed roughly 480 years ago. They likely formed as the result of two of the Earth's tectonic plates colliding.

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9y ago
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14y ago

200 million years old♥

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15y ago

About 1,500 miles.

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14y ago

paleozoique

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Q: How old are the Appalachian mountains?
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Related questions

The Appalachian Mountains are which type of mountain?

The Appalachian Mtns are very, very old, highly eroded folded mountains.


Which mountains are very old in Canada?

Appalachian.


How Rocky Mountains similar to Appalachian mountains?

Both the Rocky mountains and the Appalachian mountains are in the United States of America! The Rocky mountains are more rigid and ROCKY, and the Appalachian mountains are old and rounded. I have recently studied these ranges, and I hope that this helps you! :)


What region has old eroded mountains Oldest mountains in North America?

The Adirondack Mountains in upstate New York are considered to be some of the oldest mountains in North America. They are heavily eroded and characterized by their dome-like shape, which contrasts with the more rugged peaks of younger mountain ranges.


The Proclamation Line of 1763 runs roughly along the what?

Appalachian Mountains.


What physical features served as boundaries for the original 13 colonies?

The Appalachian mountains.


What are the Appalachian Highlands?

The Appalachian Highlands are old, eroded mountains (the oldest in North America) ranging from eastern Canada to western Alabama


Is Florida closer to the Appalachian Mountains or the Rocky Mountains?

Appalachian


Do the great plains begin at the Appalachian mountains?

No, the Appalachian Mountains are further East. :)


Which mountains stretch from Georgia to Maine?

The Appalachian Mountains run through Maine and Georgia.


Are the catskill mountains part of the Appalachian mountains?

Yes they are part of the Appalachian mountains.


What type of mountains are the Appalachian mountains?

The Appalachian mountains are a fold mountain.