USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 1985-034-FA

Other ID: 85 Leg 3A; FRNL 85-3A

Status: Completed

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

Funding Program(s):

Location: eastern Gulf of Mexico, United States, North America, North Atlantic;

Principal Investigator(s): David Twichell

Affiliate Investigator(s): Lindsay Parson - British Institute of Oceanographic Sciences (IOS)

Information Specialist(s):

Data Type(s): Sonar: Sidescan, Seismics: Air Gun / Water Gun, Seismics: Boomer, Seismics: Bubble Gun, Seismics: Sparker, Seismics: Sub Bottom Profiler, Electro-Magnetic: Magnetics, Sonar: Single Beam, Location-Elevation: Navigation

Scientific Purpose/Goals: Long-range sidescan sonar survey of the Gulf of Mexico using the GLORIA system.

Vehicle(s):

Start Date: 1985-10-02

Start Port/Location: Tampa, FL

End Date: 1985-10-22

End Port/Location: Key West, FL

Equipment Used: GLORIA sidescan, Air gun, Single channel hydrophone, Marine magnetometer, 3.5 kHz, 10 kHz Bathymetry, ABC navigation system, Loran-C, GPS (wh)

Information to be Derived:

Summary of Activity and Data Gathered: GLORIA Sidescan Sonar: 6,557 km; 10 kHz: 6,734 km; 3.5 kHz: 6,738 km; Airgun: 6,578 km; Magnetometer: 6,712 km.

Staff: David Twichell, Page Valentine, Robert F. Commeau, Steve Mateus

Affiliate Staff:
Charles Paull - geologist
Scripps; Kim Benjamin - engineer
WHOI; Derek Bishop - GLORIA engineer
IOS; Lindsay Parson - co-Ch. Sci.
IOS; Robin Bonner - airgun tech
IOS; Jon Campbell - GLORIA engineer
IOS; Andrew Harris - GLORIA engineer
IOS; Colin Jacobs - geologist
IOS; Doriel Jones - shipboard computing
RVS; Derek Lewis - shipboard computing
RVS

Notes: Original Center People field contained: Dave Twichell - Ch. Sci., Robert Commeau - geologist, Steve Mateus - geologist, Page Valentine - geologist.
Project = GLORIA Gulf of Mexico EEZ Survey 1985, GLORIA Gulf of Mexico EEZ Survey 1985

Location Map:

Platform(s):

photo of Farnella
Farnella

Publications

Lubinski, D.J., and Twichell, David C., 1989, Magnetic and bathymetric data from R/V FARNELLA Cruises FRNL85-1, 85-2, and 85-3 in the U.S. Gulf of Mexico EEZ: U.S. Geological Survey Open-File Report 89-156, 6 p. URL: http://pubs.er.usgs.gov/publication/ofr89156, download PDF.

Twichell, D., Paskevich, V.F,, 1996, GLORIA sidescan-sonar field data and navigation data collected in the Gulf of Mexico during R/V FARNELLA cruises in 1982 and 1985: U.S. Geological Survey Open-File Report 96-707, CD-ROM, URL: http://woodshole.er.usgs.gov/publications/of96-707/OPR96_707/INTRO.HTM.

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

Twichell, D.C., McGregor, Bonnie A., and Lubinski, David J., 1989, Seismic-reflection data from R/V FARNELLA Cruises FRNL82-7, FRNL85-1, FRNL85-2, and FRNL85-3A in the U.S. Gulf of Mexico EEZ: U.S. Geological Survey Open-File Report 89-549, 7 p., URL: http://pubs.er.usgs.gov/usgspubs/ofr/ofr89549, download PDF.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
GLORIA sidescan --- Sidescan
1985-034-FA-SO-001 ( Collection of paper record displays of sidescan sonar data for lines )
1985-034-FA-SO-003 ( CD ROM disk of GLORIA ATLANTIC GEOTIFF, GLORIA GULF MEXICO GEOTIFF, GLORIA IMAGES, GLORIA/MOSAIC 1-16, )
1985-034-FA-SO-002 ( Digital tapes of NV, GLORIA-PASSES 2-51, GLORIA PASSES 69-78, and PROCESSED GLORIA: inventory #2954, 2955, 2956, 2957, 2959, 3608, 3609, 3610, 3611, 3612, 3613, 3614, 3615, and 3616.)
Air gun --- Air Gun / Water Gun
Single channel hydrophone --- Air Gun / Water Gun
Boomer
Bubble Gun
Sparker
Sub Bottom Profiler
1985-034-FA-SE-001 ( microfilm of )
1985-034-FA-SE-003-01 ( Electronic scans of some paper seismic profiles.)
1985-034-FA-SE-003 ( Collection of paper single-channel high-resolution seismic records for airgun system 10-sec sweep (1 folder FD #4036); 5-sec sweep (2 folders FD #4037-4038);10 kHz (4 folders FD #4039-4042#); 3.5 kHz (7 folders FD #4043-4049); and air gun monitor (2 folders FD #4050-F4051).)
1985-034-FA-SE-002 ( analog tape of seismic data)
Marine magnetometer --- Magnetics
3.5 kHz --- Sub Bottom Profiler
10 kHz Bathymetry --- Single Beam
1985-034-FA-BA-001 ( CD ROM disk of GLORIA ATLANTIC GEOTIFF, GLORIA GULF MEXICO GEOTIFF, GLORIA IMAGES, GLORIA/MOSAIC 1-16, )
ABC navigation system --- Navigation
Loran-C --- Navigation
1985-034-FA-LN-001-01 ( Trackline map for R/V FARNELLA Cruise FRNL85-3A)
GPS (wh) --- Navigation