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Continental Rift Diagram

illustration of the upper layers of the earth showing a rift zone

Passive continental margins abutting the Atlantic Ocean and Gulf of Mexico developed as a large continent, Pangea, ripped apart about 200 million years ago.

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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

01/30/2020

01/30/2020

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Thursday, January 30, 2020 12:50:24 PM

Thursday, January 30, 2020 12:50:24 PM

illustration continental rift@10x.jpg

Thursday, January 30, 2020 7:01:32 PM

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