Site: SWPAC-6B
Track line SWPAC-6B
Seismic line SWPAC-6B

Priority: 1
Position: 50°03.80'S, 173°22.30'E
Water Depth: 543 m
Sediment Thickness: ~960 m
Target Drilling Depth: 750 m
Approved Maximum Penetration: 764 m
Seismic Coverage: Eltanin 52, NIWAR 3034 Lines 20 and 21

Objectives: The objectives of SWPAC-6B are to:

1. Determine the evolution of circum-Antarctic ocean circulation, including periods when the boundary current component may have extended into shallow depths or reversed.
2. Determine the behavior of low salinity AAIW.
3. Stable isotope analyses to outline water mass and productivity variability through mid Oligocene.

Drilling Program: Triple APC, XCB

Logging and Downhole Operations: Triple combo, FMS/Sonic, GHMT

Nature of Rock Anticipated: Calcareous biopelagites

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