Priority:
|
Alternate to proposed Site NT1-07A
|
Position:
|
32°47.4996′N, 137°9.2784′E
|
Water depth (m):
|
4210
|
Target drilling depth (mbsf):
|
830 (730 m sediment + 100 m basement)
|
Approved maximum penetration (mbsf):
|
720; EPSP, December 2005; permission to penetrate to 930 mbsf being requested of EPSP
|
Survey coverage:
|
Extensive survey data outlined in Proposal 603A-Full2 (www.iodp.org/nantroseize-downloads):
- Track map (Fig. AF7)
- Lines odkm 03-22 (Fig. AF8) and odkm 03-103-1 (Fig. AF9)
- CrossLine KR9806-1 (Fig. AF10)
|
Objective (see text for full details):
|
Core and conduct downhole measurements throughout the entire Shikoku Basin section and uppermost portion of the underlying oceanic crust
|
Drilling, coring, and downhole measurement program:
|
See NT1-07A
|
Anticipated lithology:
|
0–730 mbsf: Shikoku Basin hemipelagic sediments and turbidites
730 mbsf: volcaniclastic sediments and basalt
|