Is Basalt More Dense Than Granite?
Is Basalt More Dense Than Granite? The crust of Earth is divided into two types: oceanic and continental. Most oceanic crust is composed of the rock basalt. … Mafic rocks contain denser minerals and therefore, oceanic crust is denser than continental crust (the average density of basalt is 3.0 g/cm3 and granite is 2.7 g/cm3).