Carlo Godinez posted an update in the group Discovery 4 years ago
Researchers, Based On Oxygen-18 And Oxygen-16 Isotopes Archived In ~3.2-Billion-Year-Old Piece Of Oceanic Crust Found In The Panorama District Of The Pilbara Craton, Western Australian, Are Stating That Earth May Have Been Covered In Water, Around 3 Billion Years Ago, Without Any Continents Separating The Oceans.
Chemical signatures in ancient ocean crust point to a planet without continents