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,
What We Do Is Secret (novel) is like ending up in a boy's home." Blitzer then gives the boy his first shave and later on shaves his head as Rockets turns from punk to skinhead for his birthday. All four of the core group of friends make money by turning tricks of one sort or another and spend it on drugs, typically poppers, tabs, and the amphetamine derivative Desoxyn. Two gay tourists hire the group to show them around LA and are therefore also involved in much of the action of the book. What We Do Is Secret (novel) What We Do Is Secret is a