USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 1974-010-FA

Other ID: Line IPOD

Status: Completed

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

Funding Program(s):

Location: Cape Hatteras to mid-Atlantic ocean ridge rift valley, United States, North America, North Atlantic;

Principal Investigator(s): John Grow

Affiliate Investigator(s): Digicon, Inc. - contractor

Information Specialist(s): Nancy K. Soderberg

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

Scientific Purpose/Goals: Obtain multichannel Line IPOD running from Cape Hatteras across the Mid-Atlantic Ridge.


Start Date: 1974-10-17

Start Port/Location:

End Date: 1974-11-07

End Port/Location:

Equipment Used: Multichannel seismics, Loran-C, Sonar Doppler, Magnetometer (wh), Magnavox satellite positioning system

Information to be Derived: Morphology;

Summary of Activity and Data Gathered: Geophysical Services, Inc. processed the data resulting in 1520 km of 36-channel demultiplexed data with 50 m shotpoint spacing. CDP multichannel seismic line: IPOD (3400 km).


Affiliate Staff:
Inc. field party chief Jack Friesen

Notes: Project = International Phase of Ocean Drilling (IPOD), International Phase of Ocean Drilling (IPOD)

Location Map:


photo of Gulf Seal
Gulf Seal


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Multichannel seismics --- Multichannel
1974-010-FA-SE-001-05 ( scanned record sections of Lines IPOD, )
1974-010-FA-SE-001-01 ( Paper record section of Lines IPOD, )
1974-010-FA-SE-001-02 ( CD ROM disk of IPOD lines, NAVOCEANO ATLANTIC PLOTS, )
1974-010-FA-SE-001-04 ( SEG-Y demux data files for Line IPOD.)
1974-010-FA-SE-001-03 ( List of SEG-Y Files (text file) List of SEG-Y demux and stack files migrated from 9-track tapes to CD-ROM.)
Loran-C --- Navigation
1974-010-FA-LN-001-05 ( Contracted Atlantic Marine Multichannel Seismic Reflection Data Tracklines (pdf file) Generalized track map depicting several data sets including IPOD line collected by Digicon aboard the GULF SEAL.)
1974-010-FA-LN-001-04 ( Shotpoint Map (tif file) Shotpoint map for IPOD line.)
1974-010-FA-LN-001-03 ( Shotpoint Navigation (txt file) Shotpoint navigation with latitude/longitude coordinates.)
Sonar Doppler --- Navigation
Magnetometer (wh) --- Magnetics
1974-010-FA-GP-001 ( Digital tapes of MG-IPOD: inventory #0846, 0848, and 0981.)
Magnavox satellite positioning system --- Navigation