Site summaries (continued)

Proposed Hole C0012D–basement

Priority: Primary: Chikyu Expedition 333 (NanTroSEIZE Stage 2: subduction inputs 2 and heat flow)
Position: 32°44.6815′N, 136°55.0066′E
Water depth (m): 3512
Target drilling depth (mbsf): 740
Approved maximum penetration (mbsf): 800
Survey coverage: Extensive survey data outlined in Proposal 603A-Full2:
• Track map (Fig. AF4)
• Line ODKM03-AB Shotpoint 2795 (Fig. AF5)
• Crossing Line ODKM03-22 Shotpoint 1685 (Fig. AF6)
• IFREE 3-D Line 95 (Fig. AF7)
Objective: Core basement of hole for portion not cored during Chikyu Expedition 322
Drilling, coring, and downhole measurement program: Drill from 0 to 520 mbsf, no coring RCB core from 520 to 740 mbsf
Anticipated lithology: 0–600 mbsf: Shikoku Basin hemipelagic sediments
>600 mbsf: volcaniclastic sediments and basalt