Geology

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Chemical Composition of Earth’s Layers.

Diagram showing Earth's chemical composition, with cross-sections of the continental crust, oceanic crust, mantle, and core, each represented by pie charts depicting elements like SiO2, CaO, MgO, Fe, and others.

This detailed diagram presents the chemical composition of Earth’s layers, including the continental crust, oceanic crust, mantle, and core. It offers a clear visual representation ideal for middle and high school Earth science and geology textbooks, helping students understand the distribution of elements like silicon dioxide (SiO2), calcium oxide (CaO), magnesium oxide (MgO), and iron (Fe) within Earth’s structure.

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