Site summaries (continued)

Site SENR-18A

Priority: Alternate
Position: 41°04.00′N, 49°17.00′W
Water depth (mbrf): 3540
Target drilling depth (mbsf): 400
Approved maximum penetration (mbsf): Request 600; pending EPSP approval
Survey coverage: •Primary line(s): KNR 179-1, Line 53, SP 224 0850
•Crossing line: KNR 179-1, Line 31, SP 211 1451
Objective: Upper middle of depth transect (the entire section of Eocene strata is ~100 m thick beneath ~100 m of Pleistocene, with >350 m of Cretaceous–Paleogene below this); early Eocene warm period; Eocene hyperthermals; chemistry of Eocene and Cretaceous deep water; Cretaceous OAEs; Cretaceous climate; K/P boundary; Cretaceous 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, T3
Wireline logging program: •Hole C: Wireline logging with triple combo and FMS-sonic
•See “Downhole measurements strategy” and Tables T1, T3
Anticipated lithology: Carbonate ooze, hemipelagic clay, shallow-water carbonates