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

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.

from All Top News -- ScienceDaily http://bit.ly/2HlZBoD