167 Prospectus

SITE CA-7A

LOCATION: Point Arena Slope, northern California margin

PRIORITY: 3

POSITION: 39° 23.526' N 124° 15.017' W (cross W9406 line 5 and

EW9504 line8; EW9504 CA7 line 8 shotpoint 455)

WATER DEPTH: 1235 m

SEDIMENT THICKNESS: > 1 sec (> 800 m)

TOTAL PENETRATION: 250 m

SEISMIC COVERAGE: W9406 and EW9504 CA7 surveys; miscellaneous regional

OBJECTIVES: Coastal transect. To sample a complete Pleistocene sediment

section to study upwelling in the region of Point Arena.

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: None.

NATURE OF ROCK ANTICIPATED: Hemipelagic slope sediments with some turbidites.