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Both oceanic crust and continental crust are less dense than the mantle, but oceanic crust is denser than continental crust. This is partly why the continents are at a higher elevation than the ocean floor.Click to see full answer. Just so, how is the oceanic crust and continental crust alike?Oceanic and Continental crusts are alike because they both shift and move and grow. They differ by there rock types. Oceanic crust is made up of dense basalt while continental crust is made up of less dense granite.Subsequently, question is, what are the characteristics of continental crust? Continental crust. The continental crust is the layer of granitic, sedimentary and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores, known as continental shelves. It is less dense than the material of the Earth’s mantle and thus “floats” on top of it. Similarly, you may ask, what are three ways continental crust is different from oceanic crust? The oceanic crust is made up of basalt while the continental crust is made up of granite. The oceanic crust is thinner while the continental crust is much thicker. The oceanic crust is denser than the continental crust. The continental crust has greater buoyancy than the oceanic crust. What is oceanic crust made of?The oceanic crust, which, on average, is only about six kilometers thick, is primarily made up of the igneous rock basalt. Basalt tends to come from lava that flows smoothly and quietly from a volcanic vent, unlike the viscous lava typical of the violent eruptions of many continental volcanoes.

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