clastic

As adjectives the difference between classic and clastic

is that classic is of or relating to the first class or rank, especially in literature or art while clastic is made up of parts that are easily removable.

As a noun classic

is a perfect and/or early example of a particular style.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective clastic is

made up of parts that are easily removable.