Define and discuss on Oceanic Crust

General objective of this article is to Define and discuss on Oceanic Crust. In a complete ophiolite sequence the gabbro could be underlain by ultramafic rocks for example peridotite. If ophiolites are generally truly oceanic crust, this particular contact could then symbolize the Moho. The peridotite would then become a segment of the uppermost area of the mantle.