sedimentary rocks that have undergone varying levels of metamorphism but are still recognisable as original sediments
metamorphosed sedimentary rocks.
A sediment or sedimentary rock that shows evidence of having been subjected to metamorphism.
A partly metamorphosed sedimentary rock. mobile zone An elongate belt in the earthâ€™s crust within which major deformation, igneous activity and metamorphism has occurred.
Metamorphic rock of sedimentary origin.