grain size
Clastic sedimentary rocks are formed from the compaction and cementation of rock particles of various sizes which have been transported and deposited by the processes of erosion. Examples of clastic...
Clastic rocks are classified by the size of the rock fragments, or particles, of which they are made along with their mineralogical composition..
Yes Sedimentary rocks also include a third type, chemical rocks -saf13
They are mechanically formed sedimentary rocks, such as Sandstone and Conglomerate.