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.
