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Summary Information for Field Activity 1982-034-FA

Area of Operations: Blake Plateau, United States, North America, North Atlantic

Dates: September 18, 1982 to September 28, 1982

Chief scientist: Frank Manheim

Objectives: Test new techniques to determine thickness, distribution and quality of mineral deposits on the Blake Plateau with special reference to manganese nodules and manganese-phosphate pavements; obtain ANGUS/ARGUS wide-angle bottom photos for visual ground truthing; collect pavement core samples; determine nodule concentration via MFES; and determine mineral thickness via seismic reflection/refraction.

Type of Activity: Sampling; Photography; Reflection/refraction profiling;Reflection/refraction profiling

Information to be derived: Samples and chemical analysis;

Summary: Camera lowerings - Approx. 45 hrs. and 18,000 photos; High-resolution acoustic profiling: 1000 km; MFES profiling: 100 km; Bottom reflection lowerings: 3; Bottom refraction experiment: 1; Dredges: 18 (300 kg rocks recovered); Cores: 11.

Contact: Paul Bowker ()

InfoBank: uses the identifier G-11-82-SE. Visit this site for more information.

Related Links:

Click to get Google Software - Download 82034.kml to view this field activity in Google Earth

Platform Info:

Publications resulting from these data

Popenoe, P., and Manheim, F.T.,2001, Origin and history of the Charleston Bump--geological formations, currents, bottom conditions, and their relationship to Wreckfish habitats on the Blake Plateau, in Sedberry, G.R., ed., Island in the Stream--Oceanography and Fisheries of the Charleston Bump: American Fisheries Society Symposium, v. 25: p. 43-94

Data Types and Locations:

 

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