Caltech mineral physicists find new scenery at Earth's core-mantle boundary

Using a diamond-anvil cell to recreate the high pressures deep within the earth, researchers at the California Institute of Technology (Caltech) have found unusual properties in an iron-rich magnesium- and iron-oxide mineral that may explain the existence of several ultra-low velocity zones (ULVZs) at the core - mantle boundary. A paper about their findings was published in a recent issue of Geophysical Research Letters (GRL)...

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