Which came first, oceanic or continental crust?

Such questions had engendered debates that divided scientists for many decades, but the fascinating story of how the terrestrial surface came to take its present form is now essentially resolved. ... The surfaces of Mars and Venus and Earth's ocean floors are covered by secondary crusts created in this way. read more

Oceanic crust came before continental crust. The amount of continental crust has been increasing over geologic time, Oceanic basaltic crust is denser than granitic contitnental crust. 80% of Earth's water came from volcanic eruptions, 20% from comets. read more

1.The oceanic crust is made up of basalt while the continental crust is made up of granite. 2.The oceanic crust is thinner while the continental crust is much thicker. 3.The oceanic crust is denser than the continental crust. 4.The continental crust has greater buoyancy than the oceanic crust. read more