120-Million-Year-Old Tectonic Plate Found: Uncovering Its Ancient Mysteries

In an exciting discovery, geologists have found a long-lost tectonic plate beneath Borneo. This plate, called the Pontus Plate, is believed to be 120 million years old and could help scientists learn more about Earth's history. A team from Utrecht University, led by geologist Susanna van der Lagemaat, identified the plate while studying mountains in the Asia-Pacific region. They believe Pontus was part of the Earth's crust before the supercontinent Pangaea broke apart. The Pontus Plate was once huge, about a quarter the size of today's Pacific Ocean. It used to sit under a vast ocean, separating Eurasia from Australia. As Pangaea split, Pontus was absorbed by other tectonic plates, eventually becoming part of Borneo and the Philippines. While examining rocks in northern Borneo, the geologist discovered clear signs of this ancient plate. The geologist initially thought they were remnants of a known plate, but further analysis revealed Pontus was a completely new find. Borneo, shared by Indonesia, Malaysia, and Brunei, is key to understanding how Earth's tectonic plates have shifted over millions of years. This discovery opens up new research opportunities into other lost tectonic plates and their impact on global geography. The team believes Pontus played a big role in shaping Earth's tectonic history. Future studies will look at the Junction region, which stretches from Japan to New Zealand, where ancient crust remnants are scattered. Researchers aim to map how these tectonic plates have moved over millions of years, dating back to the time of the dinosaurs. This find not only improves our understanding of plate tectonics, but could also lead to major breakthroughs in studying Earth's geological past.