Clastic Rocks Clastic Rocks 05/15/25 “What are rocks composed of fragments of minerals and other rocks?” Clasts are fragments of rocks broken off by physical weathering. Clastic Rocks are rocks composed of clasts. Examples of clastic rocks include sandstone and shale. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Like Loading... Earth/Climate science