The paper presents the oldest evidence for differential plate tectonic movements at 3.48 Ga based on paleomagnetic data from the North Pole Dome in the East Pilbara Craton, Western Australia[1][7]. These movements reached about half a degree per million years and were in a direction similar to today's ocean floor spreading[1]. Evidence supports robust age constraints, including baked contact inversion tests on veins older than 3.44 Ga, a fold-through-strain test older than 3.3 Ga, and a stratabound reversal at 3.46 Ga, which is the oldest documented[1]. The study detects relative movements between two crustal blocks, a hallmark of plate tectonics[1]. The findings show the presence of an axially dipole nuclear dynamo with occasional reversals at 3.5 Ga[5][7]. The movements were fast, tens of centimeters per year, and lasted for tens of millions of years[1][3]. These processes indicate modern geophysical mechanisms on Earth 3.5 billion years ago[5].