“New Study Reveals Earth’s Ancient Mantle Remained Stably Oxidized for Billion Years”
Scientists from the Smithsonian’s National Museum of Natural History have analyzed ancient rocks, estimated to be at least 2.5 billion years old, providing insights into Earth’s mantle history and challenging earlier theories about its geologic past. The study reveals that most of Earth’s mantle has maintained a stable oxidation state throughout geological time. Researchers examined … Read more