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Were Earth’s First Continents Born in Cosmic Chaos? New Study Sheds Light on Early Crust Formation
Earth’s earliest crust, formed over 4.5 billion years ago, has long been thought to have lacked the complex chemical features ...
Earth’s First Crust Was Continental – Long Before Plate Tectonics Began
New research suggests that Earth's first crust, formed over 4.5 billion years ago, already carried the chemical traits we ...
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Plate tectonics
Continental and oceanic plates all fit together to form the outer crust of the planet. Eight major plates are named on the diagram below. Heat from the core makes magma in the mantle rise towards ...