earth elements crust

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Abundance of Elements

There are a limited number of elements that make up the Earth’s Crust. THE ELEMENTS ARE: Oxygen (O) = 47% Silicon (Si) = 28% Aluminum (Al) = 8%

Crust (geology) - Wikipedia

The Earth's crust is composed of distinctly different continental crust and ... of the chemical elements in Earth's upper continental crust as a function of atomic ...