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Tectonic Evolution of the Southern Appalachian Mountains—750 Million Years Ago

diagram of continent rift

750 Million Years Ago—Old Continent Rips Apart. The long mountain ranges and rift valleys were similar to those forming today in East Africa and the Basin and Range Province.

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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

Public Can View

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

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

diagram of continent rift@10x.jpg

Wednesday, November 27, 2019 12:14:57 AM

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2019-11-26T17:14:57-07:00

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