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Priority:
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Alternate
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Position:
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31°38.30′N, 128°56.60′E (WGS 84)
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Water depth (m)
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746
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Target drilling depth (mbsf):
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200
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Approved maximum penetration (mbsf):
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*Pending request to EPSP for 500
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Previous drilling in area:
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Piston cores: KR07-12, St. 2, PC-01
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Comments:
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Jurisdiction: Japan EEZ
Potential hazards: typhoon season (June to October) |
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Survey coverage
(track map, seismic profile):
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Seismic single-channel survey:
• Cross section of Seismic line 1 (Fig. AF27)
• Cross section of Seismic line 4 (Fig. AF28)
High-resolution seismic reflection:
• Primary line(s) KY07-04, Line 7; Crossing Lines(s): KY07-04, Line 8
Deep-penetration seismic reflection:
• Primary line(s): KR07-12, st2-1-2; Crossing Lines(s): KR07-12, st2-5-6
Seismic grid:
• (MCS) KR07-12, Lines st2-1-2, st2-3-4, st2-5-6
• (SCS) KY07-04, Line 1, 2a, 2b, 3, 4, 5, 7, 8
3.5 kHz: KR07-12, Line st2-1-2, Line st2-5-6
Swath bathymetry: KR07-12, Line st2-1-2, Line st2-5-6 (Fig. AF29)
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Objectives
(see text for complete details):
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High-resolution reconstruction of SSS and SST in the southern part of the East China Sea during the last 3–5 m.y.
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Drilling, coring, and downhole measurements program:
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Triple APC to 200 mbsf
Temperature measurements: APCT-3
Orientation on first hole: FlexIt |
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Downhole logging program:
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Standard tools: paleo combo, FMS-sonic
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Anticipated lithology:
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Diatomaceous clay to silt
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