USGS - science for a changing world

USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1990-003-FA

Other ID: Leg 2, F-90-4

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): William Schwab, David Twichell

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Biological Field Study: Experiments, Seismics: Sub Bottom Profiler, Location-Elevation: Navigation

Scientific Purpose/Goals: To study recent sedimentary processes on the Mississippi Fan and along the base of the Florida Escarpment.


Start Port/Location: Tampa, FL

End Port/Location: Tampa, FL

Start Date: 1990-04-12

End Date: 1990-04-26

Equipment Used: 3.5 kHz, GPS (wh), Corer - slow, Loran-C

Information to be Derived:

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

Staff: William Danforth, Barry Irwin, Thomas O'Brien, Richard Rendigs, William Schwab, David Twichell, William Winters, Dave Lubinski

Affiliate Staff:
L. Bader - USGS PMG
J. Barber - USGS PMG
H. Nelson - USGS PMG
J. Vaughan - USGS PMG
N. Kenyon - IOS
T. Crook - WHOI
C. Paull - UNC
W. Ussler - UNC

Project = MS Fan Ground Truth Program, MS Fan Ground Truth Program


Mississippi Fan, Florida Escarpment, eastern Gulf of Mexico, United States, North America, North Atlantic;

North: 27 South: 25 West: -87 East: -84.5


photo of Farnella


Buczkowski, B.J., and Kelsey, S.A., 2007, Archival policies and collections database for the Woods Hole Science Center's marine sediment samples: U.S. Geological Survey Open-File Report 2006-1187, CD-ROM, URL:

Twichell, D.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, URL:


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Corer - slow --- Geology
1990-003-FA-NL-001-04 ( Visual description of piston, gravity and trigger cores. )
1990-003-FA-SC-001 ( CORE samples)
1990-003-FA-NL-001-02 ( Piston core and section log containing identifier, location, water depth, head weight, penetration, length, subsection, etc. )
1990-003-FA-PH-001 ( Photo prints of complete split cores: B/W; 1 photo for each of cores 21-67, plus negatives.)
3.5 kHz --- Sub Bottom Profiler
1990-003-FA-SE-001 ( Collection of paper record displays of seismic data( 3.5K) for lines )
1990-003-FA-SE-002 ( microfilm of )
Loran-C --- Navigation
1990-003-FA-LN-001 ( Floppy disk(s) containing NAV, NAV, NAV, )
GPS (wh) --- Navigation

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Questions or Comments? Contact CMGDS Team