USGS - science for a changing world

USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1984-015-FA

Other ID: L9-84-CP

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): William Schwab

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Seismics: Air Gun / Water Gun, Sampling: Geology, Location-Elevation: Navigation, Imagery: Photo, Electro-Magnetic: Magnetics, Electro-Magnetic: Gravity

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 Port/Location: Majuro, Radak Chain, Marshall Islands

End Port/Location: Honolulu, HI

Start Date: 1984-07-28

End Date: 1984-08-16

Equipment Used: Air gun, Single channel hydrophone, Corer - gravity, Magnetometer (wh), Gravity meter (wh), Box corer, Dredge, Camera- deep sea, Integrated Navigation System, Dead reckoning

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: William Schwab, Tim Ling

Affiliate Staff:
USGS-Menlo Park: Kevin O'Toole - mechanical technician
Paul Wenberg - mechanical technician
James Vaughan - electronic technician
Rick Viall - electronic technician
Joe Stagg - Geologist
Alice Davis - geologist
Leda Beth Pickthorn - geologist
Joanne Thede - geologist
Chris Wilson - Chief Navigator/Data Curator
Robin Bouse - Navigator
Wendy Bohrson - Navigator
Kaye Kinoshita - watchstander; Bob Weldin - Geologist
Bureau of Mines; Robert Rowland - geologist
USGS-Reston; Henry Meyer - geologist
Purdue University; Janet Haggerty - geologist
University of Tulsa)

Notes: Original Center People field contained: Bill Schwab - Ch. Sci., Tim Ling - geologist.
Project = Marine Metallogenesis, Marine Metallogenesis


Marshall Islands to Hawaii, Horizon Guyot, Mid-Pacific Mountains, United States, North Pacific;

North: 19.37 South: 7.25 West: -193 East: -157


photo of Samuel Phillips Lee
Samuel Phillips Lee


Schwab, W.C., and Bailey, N.G., 1984, High-resolution seismic-reflection data collected on R/V S.P. LEE; L9-84-CP, Marshall Islands to Hawaii: U.S. Geological Survey Open-File Report 85-24, 3 p..

Schwab, W.C., Hein, J.R., Davis, A.S., Morgenson, L.A., Daniel, C.L., and Haggerty, J.A., 1986, Geological and geochemical data for seamounts and associated ferromanganese crusts in the Ratak Chain, Marshall Islands: U.S. Geological Survey Open-File Report 86-338, 36 p..


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Dredge --- Biology
Gravity meter (wh) --- Gravity
NGDC MGD77 data ( )
Magnetometer (wh) --- Magnetics
NGDC MGD77 data ( )
Corer - gravity --- Geology
Box corer --- Biology
Camera- deep sea --- Photo
Integrated Navigation System --- Navigation
Dead reckoning --- Navigation
Air gun --- Air Gun / Water Gun
Single channel hydrophone --- Air Gun / Water Gun
Bubble Gun
Sub Bottom Profiler
1984-015-FA-SE-001 ( microfilm of )

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Questions or Comments? Contact CMGDS Team