Scientists discover ghost of ancient mega-plate that disappeared 20 million years ago
When you purchase through link on our site , we may gain an affiliate commission . Here ’s how it work . A long - lost tectonic plate that once bear out what is today the South China Sea has been rediscover 20 million years after disappearing . The plate is recognize only from a few rock fragments from the pot of Borneo and the ghostly remnants of its huge slab detected deep in Earth ’s mantle ....