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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1974-008-FA

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Other ID: 74; Digicon Party 511

Status: Completed

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

Funding Program(s):

Principal Investigator(s): John Grow, James M. Robb

Affiliate Investigator(s): Jack Friesen - Digicon, Inc.

Information Specialist(s): Nancy K. Soderberg

Data Type(s): Seismics: Multichannel, Electro-Magnetic: Magnetics, Location-Elevation: Navigation

Scientific Purpose/Goals: Contractor Digicon to collect multichannel seismic survey Lines 4, 5, 6, A, and B.


Start Port/Location: New Bedford, MA

End Port/Location: Savannah, GA

Start Date: 1974-09-05

End Date: 1974-09-24

Equipment Used: Multichannel seismics, Varian V-75 magnetometer, Magnavox satellite positioning system, Sonar Doppler, Loran-C

Information to be Derived: Morphology;

Summary of Activity and Data Gathered: CDP multichannel seismic lines: 5 (#4, 5, 6, A, and B; 1235.2 km).

Staff: Bruce Ambuter, Charles Meeder, James M. Robb

Affiliate Staff:
Peter Buhl - LDGO; Jack Friesen - Digicon
Inc.; other Digicon employees (watchstanders



Atlantic Continental Shelf, Georges Bank, Massachusetts to Virginia, United States, North America, North Atlantic;

North: 42.5 South: 34.5 West: -76 East: -65


Gulf Seal


Grow, J.A., Mattick, R.E., and Schlee, J.S., 1979, Multichannel seismic depth sections and interval velocities over outer continental shelf and upper continental slope between Cape Hatteras and Cape Cod; in Watkins, J.S., Montadert, L., and Dickerson, P.W., eds., Geological and geophysical investigations of continental margins: American Association of Petroleum Geologists (AAPG) Memoir 29, , URL:

Klitgord, K.D., Poag, C.W., Schneider, C.M., and North, L., 1994, Geophysical database of the East Coast of the United States northern Atlantic margin—Cross sections and gridded database (Georges Bank Basin, Long Island Platform, and Baltimore Canyon Trough): U.S. Geological Survey Open-File Report 94-637,

Klitgord, K.D., and Schneider, C.M., Geophysical database of the east coast of the United States northern Atlantic margin—Velocity analyses: U.S. Geological Survey Open-File Report 94-192,

McGinnis, L.D., and Otis, R. M., 1979, Compressional velocities from multichannel refraction arrivals on Georges Bank - northwest Atlantic Ocean: Geophysics, v. 44 no. 6, doi: 10.1190/1.1440992.

McKinney, B.A., Lee, M.W., Agena, W.F., and Poag, C.W., 2005, Early to Middle Jurassic salt in Baltimore Canyon trough: U.S. Geological Survey Open-File Report 2004-1435, CD-ROM, URL:

Schlee, J., Behrendt, J.C., Grow, J.A., Robb, J.M., Mattick, R.E., Taylor, P.T., and Lawson, B.J., 1976, Regional geologic framework off northeastern United States: American Association of Petroleum Geologists Bulletin, AAPG Bulletin, v. 60 no. 6, URL:

Schlee, J., Mattick, R.E., Taylor, D.J., Girard, O.W., Grow, J., Rhodehamel, E.C., Perry, W.J., Jr., Bayer, K.C., Furbush, M., Clifford, C.P., and Lees, J.A., 1975, Sediments, structural framework, petroleum potential, environmental conditions, and operational considerations of the United States North Atlantic Outer Continental Shelf: U.S. Geological Survey Open-File Report 75-353,

Swift, B.A., Lee, M.W., and Agena, W.F., 1988, Reprocessing of USGS multichannel Line 6 (off Cape May, New Jersey): U.S. Geological Survey Open-File Report 88-551, 27 p., URL:


Documents associated with this activity

Title Survey Equipment Description
Cruise report (document not focused on specific equipment) Chief scientist's daily log including ship specification, personnel, comprehensive description of data acquisition, contractor's equipment notes, etc.
Cruise log Multichannel seismics Observer Log (pdf) Observer's log for Line 4.
Cruise log Multichannel seismics Observer Log (pdf) Observer's log for Line 5.
Cruise log Multichannel seismics Observer Log (pdf) Observer's log for Line 6.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Multichannel seismics --- Multichannel
1974-008-FA-SE-001-08 (List of SEG-Y Files (text file) List of SEG-Y demux and stack files migrated from 9-track tapes to CD-ROM.)
1974-008-FA-SE-001-09 (Line A scanned record section of stack data)
1974-008-FA-SE-001-07 (Line-6 * STACK SEG-Y Data )
1974-008-FA-SE-001-10 (Line B scanned record section of stack data)
1974-008-FA-SE-001-04 (Line-4 * DEMUX SEG-Y Data )
1974-008-FA-SE-001-01 (film collection of VEL ANAL LINES 4-6)
1974-008-FA-SE-001-06 (Line-6 * DEMUX SEG-Y Data)
1974-008-FA-SE-001-02 (Paper record section of Lines 4, 4A, 4B, 5, 6, 6A&B, 5ST, 5VW, 4RS, )
1974-008-FA-SE-001-11 (Seismic lines 4 and 5 scanned to SEGY format.)
1974-008-FA-SE-001-05 (Line-5 * DEMUX SEG-Y Data )
1974-008-FA-SE-001-03 (CD ROM disk of 4-1 1,2,3,4,5SP101-1318 NO STK, 4-2 6,7,8,9,10SP1318-2390NO ST, 4-3 11,12,13,14SP1-713 NO STK, 4-4 15,16,17SP1-685 NO STK, 4-5 18,19,20SP686-1186 NO STK, 4-6 21,22,23,24SP1187-1927 NO, 4-7 25,26,26B,27,28SP1984-2540, 4-8 29,29B,30,31SP2541-3221 NO, 4-9 32,33SP3221-3494 NO STK, 5-1 1,2,3SP105-740 NO STACK, 5-2 4,5,7,8,9,10SP740-1622 NO, 5-3 11,12,13,14,15SP1623-2426, 5-4 16,17,18,19,20SP2427-3563, 5-5 21,21A,22,23,24SP3563-4574, 5-6 25,26,27,28,29,30SP4574-*, 5-7 31,32,33,34SP5628-6441?, 5-8 35,36,37,38SP?-?, 6-1 1,2,3SP1-1344,ST1+2, 6-2 4,5,6SP1344-2144,ST1+2, 6-3 7,8,9SP2144-2952,ST1+2, 6-4 10,11,12,13,14SP2676-3639, 6-5 15,16,17,18SP3640-4305,ST, 6-6 19,20,21,22SP4305-5247,ST, 6-7 23,24,25SP5247-5870,ST1+2, 6-8 26,27,28SP5870-6491,ST1+2, 6-9 29,30,31,32SP6491-7174,ST, 6-10 33,34,35SP7174-7890,ST1+2, 6-11 36,37,38SP7890-8512,ST1+2, 6-12 39,40SP8512-8914,ST1+2, NAVOCEANO ATLANTIC PLOTS, )
Varian V-75 magnetometer --- Magnetics
1974-008-FA-GP-001 (Digital tapes of MG: inventory #0844, 0845, and 0847.)
Magnavox satellite positioning system --- Navigation
Sonar Doppler --- Navigation
Loran-C --- Navigation
1974-008-FA-LN-004 (Shotpoint Navigation (txt file) Navigation points for Line 6.)
1974-008-FA-LN-001 (CDP navigation trackline plot for field activity 74008)
1974-008-FA-LN-003 (Shotpoint Navigation (txt file) Navigation points for Line 5.)
1974-008-FA-LN-002 (Shotpoint Navigation (txt file) Navigation points for Line 4.)
1974-008-FA-LN-005 (Contracted Atlantic Marine Multi-channel Seismic Tracklines (pdf file) Generalized trackmap depicting several data sets including Lines 4, 5, 6, and B collected by Digicon aboard the GULF SEAL.)

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