Priority: 1
Position: 43°15.3´S, 128°52.1´E
Water Depth: 5100 m
Sediment Thickness: Up to 300 m
Target Drilling Depth: 50 m into basement
Approved Maximum Penetration: 350 m
Seismic Coverage: SOJN05, 800-959 GMT, 26 Feb. 1997, shot 160
Objectives: The objective of Site AAD-28a is to recover basement samples for geochemical analysis in the minimum time possible.
Drilling Program: RCB to ~50 m basement
Logging and Downhole Operations: None
Nature of Rock Anticipated: Pelagic ooze, basalt.