USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 1990-001-FA

Other ID: Leg 1, F-90-3

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): Sonar: Sidescan, Seismics: Sub Bottom Profiler, Location-Elevation: Navigation, Location-Elevation: Transects

Scientific Purpose/Goals: Study the sedimentology, depositional process, acoustic character, and pore-water chemistry of sediments on the Mississippi Fan and along the base of the Florida Escarpment.

Vehicle(s):

Start Date: 1990-03-25

Start Port/Location: Tampa, FL

End Date: 1990-04-08

End Port/Location: Tampa, FL

Equipment Used: SeaMARC sidescan sonar system, 4.5 kHz, Benthos acoustic navigation system, Q-MIPS sidescan sonar system, 3.5 kHz, Loran-C, GPS (wh), Benthos 7000

Information to be Derived:

Summary of Activity and Data Gathered: Gravity trackline - 1; SeaMARC - 3466 sq. km; 4.5 kHz - 950 km; 3.5 kHz (from Leg 1 and Leg 2) - 2280 km.

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

Affiliate Staff:
L. Bader - USGS PMG
M. Hammer - USGS PMG
L. Kooker - USGS PMG
N. Kenyon - IOS
T. Crook - WHOI
T. Dettweiler - U.S. Navy
M. Williamson - IDSS
K. Redman - IDSS
N. Lesnikowski - IDSS
J. McDowell - IDSS

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

Location:

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

Boundaries
North: 27 South: 26 West: -87 East: -84.5

Platform(s):

photo of Farnella
Farnella

Publications

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: URL: http://pubs.usgs.gov/of/2005/1071/.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
SeaMARC sidescan sonar system --- Sidescan
1990-001-FA-SO-001 ( Digital tape(s) of NV, SSS-SEAMARC, )
4.5 kHz --- Sub Bottom Profiler
Bathymetry GIS data ( )
1990-001-FA-SE-003 ( microfilm of )
1990-001-FA-SE-002 ( VHS digital tapes for line(s) 4, 4, 4, 5,6, 6, 6, 6, 6, TRANSIT,7, 7, 7, 7,8, 8, 8, 8, 9, 9, 10, 10, 10, 10-2, 10-3, 10-3, 10-4, 10-4, 10-4, 11, 11, 12, 12, 12, 12, 12, 12, 12,TRNST,13, 13, 14, 14, 14, 14, 14, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18,19, 19, 19, 19, 19, 19,TRNST,20, 20, 20, 21, 21, 21, 21,22, 22, 22, 22, 23, 23, 23, 23, TRNST,24, 24, )
1990-001-FA-SE-001 ( Collection of paper record displays of seismic data( 4.5K) for lines )
Benthos acoustic navigation system --- Navigation
Q-MIPS sidescan sonar system --- Sidescan
3.5 kHz --- Sub Bottom Profiler
Loran-C --- Navigation
1990-001-FA-LN-001-01 ( Navigation data recovered from 9 track tape)
GPS (wh) --- Navigation
Benthos 7000 --- Navigation
Transects