IODP

doi:10.2204/iodp.sp.331.2010

Site summaries (continued)

Site INH-4D

Priority: Primary
Position: 126°53.8533'E, 27°47.4211'N
Water depth (m): 1026 m
Target drilling depth (mbsf): 100 m (50 m sediments and 50 m basement)
Approved maximum penetration (mbsf): 100 m
Survey coverage (track map; seismic profile): Primary line(s): MCS B-B', MCS-18, SCS-18 Crossing line(s): SCS-F, SCS-F2, MCS-F
Objective: Local discharge-recharge zone
Drilling program: APC or HPCS coring to refusal, then use XCB (ESCS) or RCB (MDCB)
Logging program: Standard IODP measurements, formation fluid sampling, borehole temperature, and pressure.
Nature of rock anticipated: Sediments: Pelagic sediments and pumicious flow deposits with hydrothermal alteration. Basement: Igneous rocks and hydrothermal sulfide and sulfate deposits.