Other ID: none
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Location: Block Canyon, Atlantis Canyon, Mud Patch, southern New England continental shelf, United States, North America, North Atlantic;
Principal Investigator(s): David Twichell
Data Type(s): Location-Elevation: Navigation, Seismics: Boomer, Sonar: Sidescan
Scientific Purpose/Goals: 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.
Start Date: 1978-05-15
Start Port/Location: Atlantic City, NJ
End Date: 1978-05-20
End Port/Location: Atlantic City, NJ
Equipment Used: Klein 531 sidescan, Loran-C, Boomer, Single channel hydrophone
Information to be Derived: Sea floor map;
Summary of Activity and Data Gathered: No sidescan lines 1-5; equipment problems. Huntec boomer: 941 km; Klein sidescan sonar: 673 km; EDO Western 60 kHz echo sounder: 941 km.
Staff: Barry Irwin, David Twichell
Notes: Original Center People field contained: Dave Twichell - Ch. Sci., Barry Irwin.
Twichell, D.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., download PDF.