Basalt.
The majority of the crust is oceanic crust, basaltic in nature.
The vast majority of the crust that the US has is continental crust, but the west side of the Andreas fault is mostly oceanic crust.
Of the Earth's major plates, the following are composed of a majority of oceanic crust: Pacific, North American, African, Antarctic, Australian, and South American.
No, the oceanic crust is denser. That's why the land areas "float" so much higher than the ocean bedrock.
Oceanic crust sinking under a plate with continental crust
Oceanic crust is mafic.
the oceanic crust is 0.
The youngest parts of the Earth's crust are found in the oceanic crust. This crust is continuously being created at the mid-oceanic ridges.
Oceanic crust is significantly denser.
oceanic crust
Continental crust is far older than oceanic crust.
It is not. The oceanic crust is thinner than the continental crust!