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Plate tectonics fired up at least 3 billion years ago, study of ancient rocks in Australia indicates
Related: Earth's plate tectonics fired up hundreds of millions of years earlier than we thought, ancient crystals reveal ...
Where should we look for new metals that are critical for green energy technology? Volcanoes may point the way
Ancient volcanoes in New South Wales created a rich deposit of precious rare earths – and left clues for finding more.