The process of differentiation of the Earth into discrete layers is thought to have been completed by 54Ga.
What is differentiation of the earth?
- The division of the Earth into layers, or its arrangement into layers, is arguably the most important development in its history.
- As a result, a core, a crust, and ultimately continents were formed. To create an ocean and atmosphere, the light elements were flung out from the interior.
- The size of these four blocks is uniform.
- Processes that occurred in the early phases of Earth's development are what differentiate these layers (ca. 4.5 billion years ago).
- Denser minerals would have moved to the crust at this period due to melting, which would have forced less dense materials to sink into the center.
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