What type of rock are oceanic crusts made of?

Answer 1

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Answer 2

The oceanic crust is made up mostly of mafic rocks. As a part of the Earthâ??s lithosphere, the oceanic crust is the area that surrounds the ocean's basin.

Answer 3

sedimentary rock.

basalt

Answer 4

Igneous, sedimentary and metamorphic rocks comprise the oceanic crust. The vast majority of oceanic crust is considered basaltic in composition.

Answer 5

Sedimentary and sometimes igneous.