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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1982-035-FA

Other ID: 82-G-12; GYRE 82-12

Status: Completed

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

Funding Program(s):

Principal Investigator(s): Mahlon M. Ball

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Seismics: Sub Bottom Profiler, Seismics: Air Gun / Water Gun, Seismics: Multichannel, Electro-Magnetic: Gravity, Electro-Magnetic: Magnetics, Location-Elevation: Navigation

Scientific Purpose/Goals: Make geophysical measurements (CDP seismics, 3.5 kHz, gravity, and magnetics) to be used in regional structural and stratigraphic framework studies.


Start Port/Location: Miami, FL

End Port/Location: Galveston, TX

Start Date: 1982-10-04

End Date: 1982-10-19

Equipment Used: 3.5 kHz, Air gun, Multichannel seismics, Magnavox satellite positioning system, Varian V-75 magnetometer, Bell Aerospace BGM-3 gravimeter, Loran-C, Sonar Doppler, Gyro compass

Information to be Derived: Morphology;

Summary of Activity and Data Gathered: Gravity data: 1500 km; Magnetic data: 1500 km; Seismic reflection data: 1500 km.

Staff: Barry Irwin, David Mason, David Nichols, Mahlon M. Ball, James E. Dodd, Jack Connell

Affiliate Staff:
Dan Byrne
Joann Taylor
Sue Williams - Watchstanders; Eric Koelsch - USGS-Corpus Christi
Geophysicist; Jack Kindinger - USGS-Corpus Christi
Watchstander; Linda Massingill - USGS-Corpus Christi
Watchstander; Ronnie Walls - USGS-Corpus Christi
Watchstander; Jeff Kozial - Consultant
DFS V tech

Notes: Original Center People field contained: Mahlon Ball - Ch. Sci., Geophysicist; Dave Nichols, Jack Connell, Jim Dodd, Barry Irwin, David Mason - Geophysicists; Dan Byrne, Joann Brendt Taylor, Sue Williams - Watchstanders.
Project = Regional structure and stratigraphy of the western FL shelf - MAFLA area, Regional structure and stratigraphy of the western FL shelf - MAFLA area


western Florida shelf, eastern Gulf of Mexico, United States, North America, North Atlantic;

North: 29.13333 South: 26 West: -87 East: -82.5


photo of Gyre


Ball, M.M., Martin, R. G., Foote, R. Q., and Applegate, A. V., 1988, Structure and stratigraphy of the western Florida shelf; Part I, Multichannel reflection seismic data: U.S. Geological Survey Open-File Report 88-439, 60 p., URL:

Ball, M.M., Soderberg, N.K., Nichols, D.R., O'Brien, T.F., Dodd, J.E., and Irwin, B.J., 1987, Multichannel seismic-reflection profiles collected in 1982 aboard R/V GYRE, Cruise G8212, on the western Florida Shelf: U.S. Geological Survey Open-File Report 87-372, 4 p., URL:


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
3.5 kHz --- Sub Bottom Profiler
1982-035-FA-SE-001 ( Collection of paper record displays of seismic data (3.5 kHz and airgun) for lines 1 thru 11.)
Air gun --- Air Gun / Water Gun
Multichannel seismics --- Multichannel
1982-035-FA-SE-001-01 ( Electronic scans of some paper profiles.)
1982-035-FA-SE-003-02 ( Demux SEGY data for lines 4 - 11)
1982-035-FA-SE-003-01 ( Paper record section of CDP Lines 1, 2, 3, 4, 5.PT1, 5.PT2, 6, 7, 8, 9, 10`, and 11.)
1982-035-FA-SE-002 ( microfilm of SEE #416, THIS IS ADDITIONAL DATA??)
Bell Aerospace BGM-3 gravimeter --- Gravity
1982-035-FA-GP-001 ( Digital tape(s) of NV-INS, NV,GR, NV,GR-UNEDIT, )
Varian V-75 magnetometer --- Magnetics
Loran-C --- Navigation
1982-035-FA-LN-001-02 ( Track chart)
1982-035-FA-LN-001-01 ( Line Coordinates (txt file) Uncompressed shape file for Lines 1-11.)
Sonar Doppler --- Navigation
Gyro compass --- Navigation
Magnavox satellite positioning system --- Navigation

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