sedimentary metamorphic igneous
Rocks are classified as igneous, sedimentary or metamorphic. There is extrapolation into subsets of each type of rock. The mantle of Earth is a boiling, plastic pool of magma (melted rock) which...
the rocks are igneous, metamorphic, and sedimentary.
metamorphic, sedimentary and igneous
Three (3) rocks in the rock cycle are sedimentary, igneous, and metamorphic rock.