Alternate Leg ID: 81-LH-1; LONGHORN-81-USGS1
Area of Operations: Florida Straits, West Florida shelf, Florida, Gulf of Mexico, United States, North America, North Atlantic
Dates: May 27, 1981 to June 09, 1981
Objectives: Obtain seismic reflection data in the Florida Straits and the Florida Shelf; photograph the Miocene(?) ledge to confirm the existence of mineral deposits.
Type of Activity: Sampling
Sea floor mapping
Information to be derived: Grain size analysis
Sea floor map
Summary: Sidescan: 550 km; Minisparker: 1603 km; 3.5 kHz: 608 km; Core (rotary drill): 1; Diver samples: 3; Camera stations: 3.
USGS Project Number: WFLASHLF
Contact: Chuck Holmes ()