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Summary for Field Activity Number 1976-005-FA

Alternate Leg ID: FAY 011, Leg Alpha; CORPUS 31/37

Area of Operations: outer continental shelf, Louisiana, Mississippi, Alabama, Florida, United States, Gulf of Mexico, North America, North Atlantic

Dates: Mar 10, 1976 to Mar 25, 1976

Objectives: 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.

Type of Activity: Sampling
Seismic profiling
Photography

Information to be derived: Grain size analysis
Sea floor map
Morphology

Summary: 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.

USGS Project Number: GM-CSP

Contact: Lou Garrison ()

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
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