Traces of primordial Earth's magma ocean found hiding in Greenland's rocks
Washington DC (UPI) Mar 12, 2021
Hidden in the ancient rocks of Greenland, scientists have found the geochemical signatures of Earth's early history, a time when the planet was one big ocean of magma. At some point during Earth's infancy, the molten ocean that covered the planet began to cool and crystalize, yielding Earth's earliest rocks and landforms. This process set the stage for Earth's tectonic evolution and the
