Priority:
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Alternate to proposed Site NT1-07A
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Position:
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32°47.4996′N, 137°9.2784′E
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Water depth (m):
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4210
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Target drilling depth (mbsf):
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830 (730 m sediment + 100 m basement)
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Approved maximum penetration (mbsf):
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720; EPSP, December 2005; permission to penetrate to 930 mbsf being requested of EPSP
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Survey coverage:
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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)
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Objective
(see text for full details):
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Core and conduct downhole measurements throughout the entire Shikoku Basin section and uppermost portion of the underlying oceanic crust
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Drilling, coring, and downhole measurement program:
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See NT1-07A
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Anticipated lithology:
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0–730 mbsf: Shikoku Basin hemipelagic sediments and turbidites
730 mbsf: volcaniclastic sediments and basalt
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