how can igneous rock turn into sedimentary rock?

Through heat, erosion and pressure.

Through erosion, heat and pressure.

Through erosion, pressure and cementation.

Through cementation, pressure and erosion.

3 answers

Through erosion, pressure and cementation.
What is needed to turn an igneous rock or sedimentary rock into a metamorphic rock?
Heat and pressure are needed to turn an igneous rock or sedimentary rock into a metamorphic rock.