Site: SWPAC-2B
Track Line SWPAC-2B
Seismic Line SWPAC-2B

Priority: 1
Position: 4255.87'S, 17733.97'W
Water Depth: 615 m
Sediment Thickness: ~1200 m
Target Drilling Depth: 628 m
Approved Maximum Penetration: 660 m
Seismic Coverage: SCS high-resolution seismic Mobil 72-21; NIWAR 3034 Lines 3 and 4

Objectives: The objectives of SWPAC-2B are to:

  1. Test the record of circum-Antarctic flow against the Milankovitch orbital model, including estimates of simultaneity with Northern Hemisphere records.
  2. Obtain high-resolution oxygen isotope record of Eocene/Oligocene.
  3. Determine paleoproductivity and location of STC and paleohydrography of AAIW.

Drilling Program: Triple APC, XCB

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

Nature of Rock Anticipated: Surface sand and phosphate nodules, hemipelagites, carbonate pelagites

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