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Summary Information for Field Activity 1983-012-FA

Area of Operations: Honolulu, Hawaii, United States, Necker Ridge, Horizon Guyot, American Samoa, Oceania, North Pacific
South Pacific

Dates: October 29, 1983 to November 26, 1983

Chief scientist: James Hein
Frank Manheim

Objectives: Investigate ferromanganese crusts with emphasis on cobalt-rich crusts via dredging and hard substrate corer (Manheim-Burke type), sidescan sonar, photography, water sampling, and bottom instrument packaging emplacement on Horizon Seamount.

Type of Activity: Seismic profiling; Sea floor mapping; Photography; Sampling;Sea floor mapping

Information to be derived: Sea floor map; Bathymetric maps; Samples and chemical analysis;

Summary: Lines: 36; Gravity cores: 3; Piston cores: 7; Chain dredge samples: 62.

Contact: James Hein ()
Frank Manheim (

InfoBank: uses the identifier L-5-83-HW. Visit this site for more information.

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Click to get Google Software - Download 83012.kml to view this field activity in Google Earth

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