From Earth’s deep mantle, scientists find a new way volcanoes form

Source: Science Daily

Far below Bermuda’s pink sand beaches and turquoise tides, geoscientists have discovered the first direct evidence that material from deep within Earth’s mantle transition zone — a layer rich in water, crystals and melted rock — can percolate to the surface to form volcanoes.

https://www.sciencedaily.com/releases/2019/05/190515144028.htm