THREE MAIN ROCKS
THE 3 main rocks are metamorphic sedimentary and igneous rock are the 3 main rocks.
ROCK CYCLE
A rock cycle is never ending process by which rocks are changed from one type
to another .The picture shows magma cooling to make igneous rock. Evaporating and
erosion creates sediment. Compaction and cementation creates sedimentary rock.
Heat and pressure creates metamorphic rock.
to another .The picture shows magma cooling to make igneous rock. Evaporating and
erosion creates sediment. Compaction and cementation creates sedimentary rock.
Heat and pressure creates metamorphic rock.