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
It'z Just What We Do though. Producer Joey Moi (Jake Owen, Nickelback) is a fine match for the duo’s country-meets-alt-rock sound." The album peaked at number 18 on the Top Country Albums chart. Additionally, it peaked on number 105 on the US "Billboard" 200, on number 45 on the Independent Albums chart, and reached number one on the Top Heatseekers chart. The EP starts off with "Cruise" and also includes "Get Your Shine On", "Tip It Back", "Tell Me How You Like It", and the title track "It'z Just What We Do". It'z Just What We Do It'z Just What We Do is the second