Site: TSO-4B

Priority: 2
Position: 43°11.33´S, 11°43.62´E
Water Depth: 4630 m
Sediment Thickness: 1600 m
Approved Maximum Penetration: 500 m
Seismic Coverage: AWI 94100, shot point PS3287

Objectives: To recover a Cenozoic sequence to
1. reconstruct surface-water parameters and paleoproductivity north of the Polar Front;
2. reconstruct the history of deep- and bottom-water masses related to the establishment of the southern hemisphere cryosphere; and
3. calibrate biostratigraphic markers to the geomagnetic polarity time scale.

Drilling Program: Single APC to 200 m, XCB to 400 m, RCB to 500 m

Logging and Downhole: Triple Combo, GHMT, and FMS logs

Nature of Rock Anticipated: Calcareous diatomaceous mud and mudstone

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