Igneous and metamorphic rocks make up 95 percent of the crust’s volume. Sedimentary rocks, although only a small percentage of the total, are the type most commonly found exposed on the surface.
From the Family Reference Atlas.
by NatGeoMaps
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Igneous and metamorphic rocks make up 95 percent of the crust’s volume. Sedimentary rocks, although only a small percentage of the total, are the type most commonly found exposed on the surface.
From the Family Reference Atlas.
by NatGeoMaps