A vertical dyke of blue clear ice several metres wide near the margin of the ice shelf at Minna Bluff. Clearly a fracture that was originally water-filled, the actual origin of this feature is a puzzle. |
A vertical dyke of blue clear ice several metres wide near the margin of the ice shelf at Minna Bluff. Clearly a fracture that was originally water-filled, the actual origin of this feature is a puzzle. |