Crust may refer to:Geology and soil science: Crust (geology), the outer solid layer of a planet Continental crust Oceanic crust Soil crust the dough or pastry shell of pies, pizzas, etc. Music: Crust punk, a hardcore punk / extreme metal fusion Crust (band), a psychedelic Texas band Crust (EP), an EP by Brazilian metal band Sarcófago Crust (album), an album by Italian metal band Sadist Medicine Crust (dermatology), a secondary skin lesion Crust may also refer to: In forest fires,… (More on Crust)