|
Priority:
|
Primary (high)
|
|
Position:
|
37°54.16′N, 131°32.25′E (WGS 84)
|
|
Water depth (m)
|
1064
|
|
Target drilling depth (mbsf):
|
285
|
|
Approved maximum penetration (mbsf):
|
285
[EPSP 2008] *Pending request to EPSP for 335 |
|
Previous drilling in area:
|
|
|
Comments:
|
Old site name: JS-11C
Jurisdiction: Korea EEZ
Potential hazards: typhoon season (June to October) |
|
Survey coverage
(track map, seismic profile):
|
Bathymetric sketch and site track map (Fig. AF18)
Deep-penetration seismic reflection:
• Primary line(s): Line_04GH-12 (Fig. AF19)
• Crossing line(s): Line_04GH-20 (Fig. AF20)
|
|
Objectives
(see text for complete details):
|
High-resolution analyses of dust flux, SST, SSS, organic C flux, carbonate C flux, and opal flux in the western part of the Japan Sea during the last 10 m.y. in order to reconstruct millennial-scale variability and million year–scale evolution of Asian summer monsoon, winter monsoon, Westerly Jet, subpolar front, surface productivity, and deepwater ventilation
|
|
Drilling, coring, and downhole measurements program:
|
Triple APC to 200 mbsf; double XCB to 285 mbsf
Temperature measurements: APCT-3
Orientation on first hole: FlexIt |
|
Downhole logging program:
|
Standard tools: triple combo, FMS-sonic
|
|
Anticipated lithology:
|
Diatomaceous clay to silty clay
|
