Site: SubSAT-4B
Priority: 2
Position: 52°3.01´S, 4°31.01´E
Water Depth: 3661 m
Sediment Thickness: 1100 m
Approved Maximum Penetration: 700 m
Seismic Coverage: TN057/SubSAT4, shotpoint TN1800
Objectives: The objectives of SubSAT-4B are to serve as a backup to either TSO-6A or TSO-7C.
The objectives are essentially the same as those outlined for these sites.
Drilling Program: Triple APC to 200 m, XCB to 400 m, RCB to 700 m
Logging and Downhole: Triple Combo, GHMT, and FMS logs
Nature of Rock Anticipated: Foram-bearing diatom ooze, calcareous diatom ooze,
diatomaceous nannofossil chalk, limestone
Priority: 2
Position: 51°59.08´S, 4°31.0´E
Water Depth: 3701 m
Sediment Thickness: 1100 m
Approved Maximum Penetration: 700 m
Seismic Coverage: TN057/SubSAT4, shotpoint TN4210
Objectives: The objectives of SubSAT-4C are the same as SubSAT-4B.
Drilling Program: Triple APC to 200 m, XCB to 400 m, RCB to 700 m
Logging and Downhole: Triple Combo, GHMT, and FMS logs
Nature of Rock Anticipated: Foram-bearing diatom ooze, calcareous diatom ooze,
diatomaceous nannofossil chalk, limestone
