Summary Information for Field Activity 1990-003-FA

Area of Operations: Mississippi Fan, Florida Escarpment, eastern Gulf of Mexico, United States, North America, North Atlantic

Dates: April 12, 1990 to April 26, 1990

Chief scientist: Bill Schwab
Dave Twichell

Objectives: To study recent sedimentary processes on the Mississippi Fan and along the base of the Florida Escarpment.

Type of Activity:

Information to be derived:

Summary: 3.5 kHz (from Leg 1 and Leg 2) - 2280 km. Piston cores - 55; gravity cores - 12.

Contact: Bill Schwab (bschwab@usgs.gov)
Dave Twichell (dtwichell@usgs.gov)

InfoBank: uses the identifier F-4-90-GM. Visit this site for more information.

Related Links:

- Download 90003.kml to view this field activity in Google Earth

Platform Info:

FARNELLA

Publications resulting from these data

Twichell, David C., Cross, VeeAnn A., Paskevich, Valerie F., Hutchinson, Deborah R., Winters, William J., and Hart, Patrick E.,2007, GIS of selected geophysical and core data in the northern Gulf of Mexico continental slope collected by the U.S. Geological Survey: U.S. Geological Survey Open-File Report 2005-1071, DVD-ROM. (Also available at http://pubs.usgs.gov/of/2005/1071/)

Data Types and Locations:

Navigation

Logs

Data is in the Data Library - contact Data Manager (bbuczkowski@usgs.gov)

Chief Scientists' cruise report with ship movement, personnel, equipment and data acquisition notes, area maps, core locations from second leg F-90-4 (FA 90003) and sidescan sonar trackmap for first leg F-90-3 (FA 90001).

Piston core and section log containing identifier, location, water depth, head weight, penetration, length, subsection, etc.

Station and core information, length of time on bottom, coordinates, etc.

Visual description of piston, gravity and trigger cores.

Photos

Data is in the Data Library - contact Data Manager (bbuczkowski@usgs.gov)

Samples

Seismics