Other ID: L9-84-CP
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Location: Marshall Islands to Hawaii, Horizon Guyot, Mid-Pacific Mountains, United States, North Pacific;
Principal Investigator(s): William Schwab
Data Type(s): Imagery: Photo, Location-Elevation: Navigation, Sampling: Geology, Seismics: Air Gun / Water Gun
Scientific Purpose/Goals: Study the distribution and composition of ferromanganese-oxide crusts in the Marshall Islands area and retrieve a current meter/sediment trap mooring deployed on Horizon Guyot, Mid-Pacific Mountains, in October 1983 on the USGS L5-83-HW cruise (FA 83012).
Start Date: 1984-07-28
Start Port/Location: Majuro, Radak Chain, Marshall Islands
End Date: 1984-08-16
End Port/Location: Honolulu, HI
Equipment Used: Dredge, Corer - gravity, Box corer, Camera- deep sea, Integrated Navigation System, Dead reckoning, Air gun, Single channel hydrophone
Information to be Derived: Sea floor map; Samples and chemical analysis;
Summary of Activity and Data Gathered: Seismic data (12 kHz and 3.5 kHz): 5410 km; Airgun (80 cu in and 148 cu in): 730 km; Dredge hauls: 13; Box cores: 2; Gravity cores: 8; Recovered current meter from Horizon Guyot.
Staff: Tim Ling, William Schwab
Notes: Original Center People field contained: Bill Schwab - Ch. Sci., Tim Ling - geologist.
(Magnetics) Steele, Wm. Clinton, Degnan, Carolyn H., Deeter, Gary B., and Riordan, Jean A., 1989, Description of marine geophysical data collected by the U.S. Geological Survey and how to obtain it: U.S. Geological Survey Open-File Report 89-167, 26 p.
(Gravity) Steele, Wm. Clinton, Degnan, Carolyn H., Deeter, Gary B., and Riordan, Jean A., 1989, Description of marine geophysical data collected by the U.S. Geological Survey and how to obtain it: U.S. Geological Survey Open-File Report 89-167, 26 p.