Ancient rocks from Western Australia suggest Earth was already dragging surface water into its mantle and using it to generate volcanoes 3.1 billion years ago — through a primitive recycling process that may have preceded modern plate tectonics

Earth's plumbing system may have begun working billions of years before we thought, with ancient volcanic rocks hinting that the planet was already recycling water deep underground during an era we assumed was geologically simpler. The post Ancient rocks from Western Australia suggest Earth was already dragging surface water into its mantle and using it to generate volcanoes 3.1 billion years ago — through a primitive recycling process that may have preceded modern plate tectonics appeared first