171A Scientific Prospectus

Site: NBR-12 (reoccupation of Site 541)

Priority: 2

Position: 15°31.21'N, 58°40.0'W

Water Depth: 4940 m

Sediment Thickness: 900 m

Total Penetration: 700 mbsf

Seismic Coverage: EW9207 3D-grid Line 661-SP 1129
Seismic Profile

Objective: The objective of proposed Site NBR-12 is to determine the physical properties of the accretionary prism, décollement zone, and the underthrust section at the deformation front.

Drilling Program: No cores.

Logging and Downhole: LWD.

Nature of Rock Anticipated: Pelagic and hemipelagic sediments, local distal turbidites in the underthrust section.

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