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Summary Information for Field Activity 1978-012-FA

Area of Operations: Block Canyon, Atlantis Canyon, Mud Patch, southern New England continental shelf, United States, North America, North Atlantic

Dates: May 15, 1978 to May 20, 1978

Chief scientist: Dave Twichell

Objectives: Map the surface character, thickness and extent of the Mud Patch sediment lens to define the origin and present processes responsible for the development of this anomalous sediment deposit.

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

Information to be derived: Sea floor map;

Summary: No sidescan lines 1-5; equipment problems. Huntec boomer: 941 km; Klein sidescan sonar: 673 km; EDO Western 60 kHz echo sounder: 941 km.

Contact: Dave Twichell (

InfoBank: uses the identifier H-1-78-NE. Visit this site for more information.

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Platform Info:

Publications resulting from these data

Twichell, David C.,1980, Single-channel seismic-reflection profiles and sidescan sonar records collected during May 15-20, 1978, on the southern New England continental shelf: U.S. Geological Survey Open-File Report 80-177, 2 p.. (Available as a PDF version)

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