Site summaries (continued)

Site JA-1A

Priority: Primary
Position: 39°55.00′N, 51°47.00′W
Water depth (m): 4940
Target drilling depth (mbsf): 400
Approved maximum penetration (mbsf): Request 700; pending EPSP approval
Survey coverage: •Primary line: KNR 179-1, Line 7, SP 204 0520
•Crossing line: KNR 179-1, Line 10, SP 206 0227
Objective: Deep end of depth transect in shallowly buried lower Eocene to Albian drift; deepwater chemistry and history of the Deep Western Boundary Current; Paleogene hyperthermals; PETM. This site has the deepest water depth in the proposed drilling program. Below Eocene CCD.
Coring program: •Hole A: APC/XCB to 400 mbsf with orientation and APCT-3
•Hole B: APC/XCB to 400 mbsf
•Hole C: APC/XCB to 400 mbsf
•See “Drilling strategy” and Tables T1, T2
Wireline logging program: •Hole C: Wireline logging with triple combo and FMS-sonic
•See “Downhole measurements strategy” and Tables T1, T2
Anticipated lithology: Carbonate ooze, hemipelagic clay, shallow-water carbonates