Other ID: FAY 011, Leg Alpha; CORPUS 31/37
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Location: outer continental shelf, Louisiana, Mississippi, Alabama, Florida, United States, Gulf of Mexico, North America, North Atlantic;
Principal Investigator(s): Louis E. Garrison
Data Type(s): Sampling: Geology, Seismics: Sparker, Seismics: Sub Bottom Profiler, Sampling: Biology, Biological Field Study: Experiments, Imagery: Photo, Environmental Data: Dissolved Oxygen, Environmental Data: Temperature, Location-Elevation: Navigation
Scientific Purpose/Goals: General objective of the Gulf of Mexico Continental Slope project is to define the possible extent of unstable sediments on the slope and estimate the degree of instability in selected areas. The first phase of the slope project involved acquisition and interpretation of 11,233 statute miles of high-resolution seismic data throughout the study area. Western Geophysical Company of America collected the geophysical data incuding fathometer profiles, 3.5 kHz sub-bottom profiles and 1000 joule sparker profiles. From these data, a map of the shallow surface geological features of the slope was produced. Using this information, specific sites were chosen for deep gulf cruises aboard the FAY. High density seismic profiling was done at each site followed by a sediment sampling program.
Start Date: 1976-03-10
Start Port/Location: Corpus Christi, TX
End Date: 1976-03-25
End Port/Location: New Orleans, LA
Equipment Used: Hydroplastic corer, EG&G sparker, 3.5 kHz, Smith-MacIntyre grab, Corer - gravity, Corer - slow, Benthos model 372 camera and strobe, InterOceans temperature, depth and dissolved oxygen profiling instrument, Integrated Navigation System
Information to be Derived: Grain size analysis; Sea floor map; Morphology;
Summary of Activity and Data Gathered: Minisparker profile: 1248 km; 3.5 kHz EDO: 125 km; Piston cores: 5; Hydroplastic cores: 16; Smith-MacIntyre samples: 16; Dissolved oxygen traces: 11; Bottom photo stations: 10; Gravity cores: 0; Core log: #37A; Sparker log: #37B; Sparker log #37C.
Staff: Louis E. Garrison, Ronald J. Miller, Robert Vitaglione, Cynthia Rice, Kenneth Roberts, Michael Dorsey, Carroll Pyle
Notes: Original Center People field contained: Louis Garrison-Ch. Sci., Ronald Miller, Bob Vitaglione, Jack Kindinger, Cindy Rice, Tom Tatum, Ken Roberts, Mike Dorsey, Jim Woods, Scott Heald, Dee Haines, and Cary Pyle.
Booth, J.S., 1979, Results of laboratory tests on surficial sediments from the upper continental slope, northern Gulf of Mexico: U.S. Geological Survey Open-File Report 79-579, 11 p., download PDF.