Tabular icebergs, likely from the world's largest iceberg (at the time). A68A was 87 x 24 nautical miles: the largest free object on earth. It was once part of the Larsen C ice-shelf which is rapidly disintegrating.
A medial moraine on the face of the Garibaldi Glacier, composed of pulvarised rock, eroded by the ice scraping the sides of a valley