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Tectonic Evolution of the Southern Appalachian Mountains—"Today"

diagram of atlantic basin

Atlantic Ocean Opens. Ancient ocean rocks are left behind as the Piedmont Province, along with a sliver of Africa that now lies beneath the Coastal Plain of Florida and offshore regions of Georgia and the Carolinas (purple). The Blue Ridge Province is part of North America’s ancient continental margin, while the Valley and Ridge Province contains sedimentary layers of North America that were folded and faulted during the collision.

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illustrations above modified from “Parks and Plates: The Geology of our National Parks, Monuments and Seashores,” by Robert J. Lillie, New York, W. W. Norton and Company, 298 pp., 2005, www.amazon.com/dp/0134905172.

Public domain:Full Granting Rights

Image

Geologic Resources Division, Code: GRD

NPS.gov Collection

11/26/2019

11/26/2019

Monday, February 3, 2020 12:01:19 PM

Monday, February 3, 2020 12:01:19 PM

diagram of atlantic basin@10x.jpg

Wednesday, November 27, 2019 12:32:04 AM

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323.4 kB

2019-11-26T17:32:04-07:00

Scenic