🧪#SciComm “Instead of a rigid plate diving cleanly and steadily into the depths, a whole section of the soft, water-bearing crust sagged and foundered into the mantle in short, local bursts. It’s a part-time, improvised version of subduction.” theconversation.com/3-1-billion-...
3.1 billion-year-old rocks in Australia reveal a forgotten chapter of Earth’s water cycleToday, plate tectonics carry water into Earth’s depths. But this deep water cycle goes back much further.theconversation.com