Priority: 2
Position: 9°27.327'S, 151°34.396'E
Water Depth: 2115 m
Sediment Thickness: 750 m
Approved Maximum Penetration: 750 mbsf
Seismic Coverage: EW9510-1366 (WW01 CMP 3399) and 1369a (WW4a CMP 1208)
Seismic line 1
Seismic line 4a
Objectives: The objectives of Site ACE-7b are to determine:
1.sedimentology, biostratigraphy, and vertical motion history of the northern margin, and
2. nature of the forearc basin sequence and the pre-rift history.
Drilling Program: APC, XCB, RCB.
Logging and Downhole Operations: Triple-combo Geophysics, FMS-sonic, GHMT (if on board), temperature (Adara, DVTP/WSTP).
Nature of Rock Anticipated: 640 m Pliocene-Quaternary hemipelagic sediments above 110 m Miocene forearc basin sediments (sandstone, siltstone, and mudstone).
