To Seismic Line for PBS-3A
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
To 188 Table of Contents