<P> Igneous and metamorphic rocks make up 90 -- 95 % of the top 16 km of the Earth 's crust by volume . Igneous rocks form about 15 % of the Earth 's current land surface . Most of the Earth 's oceanic crust is made of igneous rock . </P>
<P> Igneous and metamorphic rocks make up 90 -- 95 % of the top 16 km of the Earth 's crust by volume . Igneous rocks form about 15 % of the Earth 's current land surface . Most of the Earth 's oceanic crust is made of igneous rock . </P>
what rock is found 10 kilometers beneath the earth 's surface
what rock is found 10 kilometers beneath the earth 's surface
metamorphic
metamorphic