Geochemistry Question:

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Tell me what is the earths crust made of?

Geochemistry Interview Question
Geochemistry Interview Question

Answer:

The overall composition of the Earth’s crust, in terms of elemental composition is as follows:
Oxygen 46.6%
Silicon 27.7%
Aluminum 8.1%
Iron 5.0%
All other elements 12.6%

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