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Earth's Layers

diagram of earth structure 3 main layers

Earth is differentiated into three main layers (crust, mantle and core) due to different chemical composition. Our planet has a dense iron core, a mantle of silicates rich in iron and magnesium, and a crust with lighter silicates.

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Modified from “Beauty from the Beast: Plate Tectonics and the Landscapes of the Pacific Northwest,” by Robert J. Lillie, Wells Creek Publishers, 92 pp., 2015, www.amazon.com/dp/1512211893.

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Image

Geologic Resources Division, Code: GRD

NPS.gov Collection

02/03/2020

02/03/2020

Public Can View

Tuesday, February 4, 2020 9:39:11 AM

Tuesday, February 4, 2020 9:39:11 AM

Earth 3 main layers@10x.jpg

Monday, February 3, 2020 9:27:40 PM

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2020-02-03T14:27:40-07:00

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