A pure limestone will metamorphose to marble, ordinarily under influence of moderate heat and several kilobars pressure. read more
Each kind of sedimentary rock turns into a different kind of metamorphic rock -limestone turns into travertine or marble, and shale turns into slate, and sandstone turns into quartzite. Even though slate is a metamorphic rock, it still looks a lot like a sedimentary rock - it is still in thin layers. read more
It becomes a metamorphic rock. Sandstone can metamorphose into quartzite. Limestone can metamorphose into marble. Shale can metamorphose into slate. read more