Slightly fractured fragile shell of a pectin resting on a bed of gravel on the ice shelf surface. The gravel is derived from the sea floor and froze to the base of the ice shelf when it became grounded. |
Slightly fractured fragile shell of a pectin resting on a bed of gravel on the ice shelf surface. The gravel is derived from the sea floor and froze to the base of the ice shelf when it became grounded. |