Origin of ice sheet
Examples from the Web for ice sheet
Underneath the ice-sheet the stones, sand, and clay behaved in the same way.
This was before the ice-sheet melted backward toward the pole.The Jacket (The Star-Rover)|Jack London
The structure of the iceberg varies with its origin and is always that of the glacier or ice-sheet from which it was broken.
When the ice-sheet vanished away, it left the ground covered thickly in many places with its various deposits.
From Stockholm one looked back on it as though it were an ice-sheet, and so had Stockholm watched it for centuries.The Education of Henry Adams|Henry Adams