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Victoria University Antarctic Research Expedition Science and Logistics Reports 1991-92: VUWAE 36

Site 1

Site 1.

This site was on the south side of the tongue approximately 2.7 km east (seaward) of Cuff Cape. 705, 676.4 m N, 280, 347.0 m E (Location based on a local plane grid, origin Cape Roberts @ 700 000 m N 300 000 m E). Parts of the glacier tongue in this region appeared to be in the process of detaching from the main ice mass. The ice tongue did not contain debris and was floating with a minimum of 10 m of ice water above the sea floor.

The sea floor shallows to 150 m south away from the ice tongue side, and appeared to be in part a basement ridge parallel to the side of the ice tongue probably extending out from Cuff Cape. The sea floor comprises a rubbly diamicton with mud drapes in places and areas of well established encrusting benthos indicating the present sedimentation is primarily from suspension and that the ice tongue has not grounded in this area for a significant time period.