Site: APSST-01A

Priority: 2
Position: 62°07.30'S, 62°40.00'W
Water Depth: 4715 m
Sediment Thickness: ~900 m
Approved Maximum Penetration: 630 mbsf
Seismic Coverage: Line HESP92-11 SP 39300, part of coarse grid of MCS lines (cruise ANT-92).

Objectives: The objectives of Site APSST-01A are to:

1. Obtain a high-resolution Pliocene-Quaternary stratigraphy of cyclic sedimentation in the South Shetland Trench.

2. Date glacial events and paleoceanographic processes.

Drilling Program: Double APC until refusal (about 200 m) then XCB. The alternate site is APSST-02A.

Logging and Downhole Operations: Standard suites IPLT-DLT and FMS-sonic, plus GHMT.

Nature of Rock Anticipated: Turbidites.

To 178 Site APSST-02

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