167 Prospectus

SITE CA-5A

LOCATION:  Outer Delgada Fan

PRIORITY:  1

POSITION:  39° 05.248' N 127° 46.983' W  (EW9504 CA5 line 4 shotpoint 1537)

WATER DEPTH:  4242 m

SEDIMENT THICKNESS:  0.48 sec (385 m)

TOTAL PENETRATION:  390 m

SEISMIC COVERAGE:  EW9504 CA5 survey

OBJECTIVES:  Gorda Transect, northern depth transect. To provide a complete 
Neogene deep-water section for study of water-mass properties and
 evolution of the California Current.

DRILLING PROGRAM:  2 APCs to refusal, third APC to 50 m or longer if time 
 available. XCB to total penetration, including minor basement sampling.

LOGGING AND DOWNHOLE OPERATIONS:  Second priority logging objective; site will 
 be loggedonly if drilled depth exceeds 400m. Standard Quad Combo and 
FMS logging strings and the GHMT magnetic log, if applicable, will be
 deployed. 

NATURE OF ROCK ANTICIPATED:  Hemipelagic sediments over MORB basalt. 
Possible cherts near basement.

To Site CA-6A

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