Oceanic crust Oceanic crust Oceanic crust is the uppermost layer of the oceanic portion of a tectonic plate. It is composed of the upper oceanic crust, with pillow lavas and a dike complex, and the lower oceanic crust, composed of troctolite, gabbro and ultramafic cumulates. The crust overlies the solidified and uppermost layer of the mantle. The crust and the solid mantle layer together constitute oceanic lithosphere. Oceanic crust is primarily composed of mafic rocks, or sima, which is rich in iron and magnesium. It is thinner than continental crust, or sial, generally less than 10 kilometers thick; however it is denser,
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