SITE SUMMARIES

Priority: 1
Position: 32°20.30'N, 134°57.25'E
Water Depth: 4730 m
Sediment Thickness: 1150 m
Target Drilling Depth: 1150 m
Approved Maximum Penetration: 1160 m
Seismic Coverage: Fred Moore Line NT62-8, SP 1641 (CDP 833); 1999 3-D seismic survey, Line 141, SP 165

Objectives: The objectives of ENT-03A are to drill through the protothrust zone to:

1. Determine the spatial distribution and temporal progression of deformation

2. Determine the structural and hydrologic evolution of the décollement zone

3. Determine the fluid flow paths and chemical gradients

Drilling Program: APC, XCB, and RCB

Logging: None

Downhole Tools: APC core orientation, Adara and DVTP temperature, WSTP water samples

Nature of Rock Anticipated: Interbedded hemipelagic mud/silty-sandy turbidites, tuff

Site ENT-04A