Answer:
sedimentary rock
Step-by-step explanation:
Sedimentary rocks are the type of rocks that formed by the deposition or accumulation of small mineral or organic particles on the floor of water bodies at the Earth's surface. some of the example of sedimentary rocks are Shale, limestone and sandstone.
Folding is common in areas of thick sedimentary rocks due to deposition of several layers of particles over one another or slumping of sedimentary material before it is lithified.
Hence, the correct option in sedimentary rock.