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 associate with modern continents. This means the telltale fingerprints of ...
Researchers discover Earth's first crust, formed 4.5 billion years ago, had chemical features simil
Scientists have long thought that tectonic plates needed to dive beneath each other to create the chemical fingerprint we see ...