Mantle (geology) Mantle (geology) The mantle is a layer inside a planetary body bounded below by a core and above by a crust. Mantles are made of rock or ices, and are generally the largest and most massive layer of the planetary body. Mantles are characteristic of planetary bodies that have undergone differentiation by density. All terrestrial planets (including Earth), a number of asteroids, and some planetary moons have mantles. The Earth's mantle is a layer of silicate rock between the crust and the outer core. Its mass of 4.01 × 10 kg is 67% the mass of the Earth. It has
Between the Earth & Sky an Explanation)." All songs composed by Luba. Between the Earth & Sky Between the Earth & Sky is a follow-up release to the breakout album "Secrets and Sins" by Canadian singer, Luba and her band. The album helped Luba win a second Juno Award for "Female Vocalist of the Year", and was also her first album to go platinum in Canada. Various musical artists appear on "Between the Earth & Sky", including a saxophone solo by jazz musician Kenny G on the hit single "How Many" (produced by Narada Michael Walden). Other popular singles on the album include "Strength In