IODP Expedition 334 Scientific Prospectus

doi:10.2204/iodp.sp.334.2010

Site summaries (continued)

Priority:	Alternate
Position:	8.665716°N, 84.041104°W
Water depth (m):	200
Target drilling depth (mbsf):	1120
Approved maximum penetration (mbsf):	1120
Survey coverage:	BGR 99-7 CMP 1050 • Track map (Fig. AF1) • Seismic profile (Fig. AF3) • Location map (Fig. F2)
Objective:	Alternate for Site CRIS-4A. Characterize upper plate basement and fluid flow.
Drilling and logging program:	• APC to refusal, then XCB to 500 mbsf. • RCB from 490 to 1120 mbsf. • Conduct wireline logging or LWD/LWC and VSI.
Nature of rock anticipated:	Sediments: mud and silt, mud-supported breccia Basement: shaly matrix breccia with carbonate, cherty, and basaltic clasts