Technical Note 20/4

LEG 176 PROSPECTUS

Table 1. Proposed Site Information and Drilling Strategy

SITE: 735B		PRIORITY: 1		POSITION:32°43.395'S, 57°15.959'E
WATER DEPTH:  740 m	SEDIMENT THICKNESS: 0 m	TOTAL PENETRATION: 2000 m
SEISMIC COVERAGE: Single channel seismic RC-27-09

Objectives: Deepen Hole 735B to at least 2 km to drill oceanic mantle/crust transition

Drilling Program: RCB

Logging and Downhole Operations: Quad combo, GLT, DLL, FMS, BHTV, VSP dipole sonic, magnetometer

Nature of Rock Anticipated: Gabbro and peridotite

SITE: Alt-1, -2, & -3	PRIORITY: 2		POSITION: Near 735B
WATER DEPTH: 740 m	SEDIMENT THICKNESS: 0 m	TOTAL PENETRATION: 500 m 
SEISMIC COVERAGE: 

Objectives: Offset in 800 m intervals along a lithospheric flow line to sample lateral and temperal variability

Drilling Program: RCB

Logging and Downhole Operations: Quad combo, GLT, DLL, FMS, BHTV, VSP dipole sonic, magnetometer

Nature of Rock Anticipated: Gabbro

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