Site: PBS-3A

To Seismic Line for PBS-3A

Priority: 2
Position: 66°56.55´S, 063°6.93´E
Water Depth: 470 m
Sediment Thickness: >1 km (ooze section = 50 m)
Target Drilling Depth: ~50 mbsf
Approved Maximum Penetration: 50 mbsf
Seismic Coverage: AGSO 186/1901 SP 4450

Objective: To obtain a continuous cored section to the base of the thick Holocene biosiliceous ooze section to provide a marine sedimentary record of environmental change with similar resolution to that of ice cores.

Drilling Program: Three APC holes to TD to provide a complete succession.

Logging Program: None

Nature of Rock Anticipated: Biosiliceous ooze, silt, clay, and ice-rafted pebbles.

To 188 Site: PBS-4A

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