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What elements make up the earth crust?

April 26, 2017crust earth elements

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What elements make up the earth crust?

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Oxygen, silicon, aluminum, iron, calcium, sodium, potassium and magnesium are the 8 elements that make up more than 98% of the earth’s crust. Oxygen and silicon together make up the mineral quartz.

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There are 92 natural elements in Earth’s outer layer but only eight of them account for 98.5% if the crust: Oxygen (46.6%), Silicon (27.7%), Aluminum (8.1%), Iron (5%), Calcium (3.6%), Sodium (2.8%), Potassium (2.6%) and Magnesium (2.1%)