Journey to the center of the earth: Discovery sheds light on mantle formation

Uncovering a rare, two-billion-year-old window into the Earth’s mantle, a University of Houston professor and his team have found our planet’s geological history is more complex than previously thought.

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<p><a href="http://www.physorg.com/news127124384.html">Journey to the center of the earth: Discovery sheds light on mantle formation</a></p> <p>Uncovering a rare, two-billion-year-old window into the Earth’s mantle, a University of Houston professor and his team have found our planet’s geological history is more complex than previously thought.</p>