The discovery of the first terrestrial sample of ringwoodite by Graham Pearson, Canada Excellence Research Chair in Arctic Resources at the University of Alberta, provided the scientific world with evidence that vast quantities of water lie trapped 410 to 660 kilometres beneath the Earth’s surface, between the upper and lower mantles.
Read the full story here: CERC‑led discovery points to vast ‘oceans’ beneath the Earth.
This discovery has been named among Discover magazine’s Top 100 Stories of 2014, coming in at number 25.