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,
The Not-Its! that just happen to be about every-day kid stuff (the first day of school, taking a bath)." The Not-Its! released their first full-length album, "We Are The Not-Its!" in July 2009. The album later received a Fids & Kamily music award for one of the best children's music albums of 2009. They have received numerous rave reviews in both local and national press, including upscale mom publication Cookie Magazine, Seattle Magazine and the Seattle Times , as well as on blogs and websites such as zooglobble.com , Spare the Rock, Spoil the Child, and coolmompicks.org. They were also recently selected