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Shaded Relief Map of North America and Continental Shelf

Shaded Relief Map of North America and Continental Shelf

The thick continental crust of North America is surrounded by crust of the continental shelf (grey color) that thinned and submerged as the Atlantic Ocean and Gulf of Mexico opened.

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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

12/04/2019

12/04/2019

Public Can View

Thursday, January 30, 2020 12:50:25 PM

Thursday, January 30, 2020 12:50:25 PM

map of north america showing continental shelf@10x.jpg

Wednesday, December 4, 2019 11:47:47 PM

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794.4 kB

2019-12-04T16:47:47-07:00

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