Metals are generally defined by the physical traits we associate with them they're hard but malleable, meaning they can be hammered into thin sheets, but they're also ductile or can be pulled into wires.
Unlike floating ice shelves which have little impact on sea level when they break up, the ice sheet is anchored to bedrock will blow the sea surface. Surrounded by open ocean, it is also vulnerable.
" It's her, Ron! " Harry shouted as the girl who so resembled a veela got gracefully to her feet, shook back her sheet of silvery blonde hair, and swept up between the Ravenclaw and Hufflepuff tables.
A beautiful white marble piece called “Cumul I” (1969) which seemed to show a cluster of eyes, or yet more phalluses, emerging from sheets, was about huddling together, she said; or just a collection of clouds.