that the Beardmore drift limit is late Wisconsin (isotope stage 2) and the Meyer limit Stage 6 in age. The Beardmore and Meyer drift sheets represent thickening of the Beardmore Glacier in response to Ross Ice Shelf grounding during the last two global glaciations
Glacier have thickened considerably during the last two global glaciations (late Wisconsin and marine isotope stage 6). The effect of ice-shelf grounding probably was the major control of these changes of Hatherton Glacier. Holocene ice-surface lowering