Describe how detrital sedimentary rocks are classified.

Detrital sedimentary rocks are mainly classified by the size of their grain. The largest grain is a boulder, followed by a cobble, a pebble, sand, silt and finally the finest grain, which is clay. These grains of sediments are what get cemented together to form sedimentary rocks.

D.) domain, kingdom, phylum, class, order, family, genus then species