crustal


crust·al

C0778600 (krŭs′təl)adj. Of or relating to a crust, especially that of the earth or the moon.

crustal

(ˈkrʌstəl) adj (Physical Geography) of or relating to the earth's crust
Thesaurus
Adj.1.crustal - of or relating to or characteristic of the crust of the earth or moon