Diamond Suggests Presence of Water Deep Within Earth sciencehabit writes "A 40 micrometer crystal trapped inside a diamond unearthed by magma in Brazil could help settle a long-standing debate about the amount of water in Earth's mantle. Spectroscopic analysis reveal that the crystal contains hydrogen-oxygen bonds, which suggests it's composed of at least 1.4% water. The place where the diamond was produced--Earth's lower mantle--may not be ...
March 13, 2014 - Slashdot