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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1974-002-FA

Other ID: GSI Party 437, Bermuda Triangle

Status: Completed

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

Funding Program(s):

Principal Investigator(s): William Dillon

Affiliate Investigator(s):

Information Specialist(s): Nancy K. Soderberg

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

Scientific Purpose/Goals: Contracted collection of CDP data by Geophysical Services, Inc. in the area of the Bermuda Triangle.

Vehicle(s):

Start Port/Location:

End Port/Location:

Start Date: 1974-04-15

End Date: 1974-04-21

Equipment Used: Multichannel seismics, LaCoste-Romberg gravimeter G-179, Varian V-75 magnetometer, Echosounder, IMDCS navigation

Information to be Derived: Morphology;

Summary of Activity and Data Gathered: Purchased 3 CDP lines: BT-1, BT-4, and BT-8.

Staff:

Affiliate Staff:
A. Boudreaux
Supervisor; D. Dale
Party Manager; James Hunt
Instr. Eng.; Herbert Hixenbrugh
Instr. Eng.; W. E. Clow
Instr. Eng.; Peter Eidson
Instr. Eng. Trainee; Richard Drake
QC; David Tobins
QC; C. Grayson
Mech.; W. Kennedy
Mech.; A. Thomson
Mech.; N. Benton
Mech.; R. Olroyd
Administrator; C. Fourara
Surv. Supvsr/Operator; F. Renton
Surv. Op.; N. Smith
Surv. Op.; G. Grolz
Geonav/IMDCS Op.; R. Simmons
LORAN-C Op.; I. D. Samuel
Ship's Captain; P. Thomas
Ship's Mate

Notes:
Project = Bermuda Triangle, Bermuda Triangle

Location:

Bermuda Triangle, offshore Carolinas, Blake Plateau, United States, North America, North Atlantic;

Boundaries
North: 33.5 South: 30.5 West: -79.5 East: -74.5

Platform(s):


Jonsson

Publications

Dillon, W.P., Paull, C.K., Buffler, R.T., and Fail, J.-P., 1979, Structure and development of the Southeast Georgia Embayment and northern Blake Plateau; preliminary analysis; 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: https://pubs.er.usgs.gov/publication/70137307.

Hutchinson, D.R., Poag, C.W., Johnson, A.H., Popenoe, P. and Wright, C., 1997, Geophysical database of the east coast of the United States; southern Atlantic margin, stratigraphy and velocity in map grids: U.S. Geological Survey Open-File Report 96-55, https://doi.org/10.3133/ofr9655.

Hutchinson, D.R., Poag, C.W., and Popenoe, P., 1995, Geophysical database of the east coast of the United States; southern Atlantic margin, stratigraphy and velocity from multichannel seismic profiles: U.S. Geological Survey Open-File Report 95-27, https://doi.org/10.3133/ofr9527.

Portals/Viewers

Documents associated with this activity

Title Survey Equipment Description
Water Depth Calculations Echosounder Water Depth Calculations (pdf file) Handwritten notes regarding water depth calculations for Line 1 and comparison to fathometer readings.
Cruise log (document not focused on specific equipment) Daily QC Reports (pdf file) Original handwritten daily quality control log.
Quality Control Report Multichannel seismics Quality Control Report (pdf file) Completed Quality Control Report form for Lines 1, 4 and 8 with general survey notes and specific equipment/operations notes.
Cruise log Multichannel seismics All the reports combined into a single document.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Multichannel seismics --- Multichannel
1974-002-FA-SE-001-13 (Line BT-8 - Contractor STACK SEG-Y Data - 2 SEG-Y stack files prepared by contractor. )
1974-002-FA-SE-001-12 (Line BT-8 - Contractor DEMUX SEG-Y Data - 6 SEG-Y demux files prepared by contractor.)
1974-002-FA-SE-001-05 (Line BT-1 Contractor DEMUX SEG-Y Data - 12 SEG-Y demux files prepared by contractor.)
1974-002-FA-SE-001-06 (Line BT-1 - Miller DEMUX SEG-Y Data - 16 SEG-Y files prepared by Miller of USGS with disco header info file. )
1974-002-FA-SE-001-03 (Scanned seismic profiles: includes scanned tiff files from the contractor's scaled and true amplitude mylar sections.)
1974-002-FA-SE-001-08 (Line BT-1 - Scanned Profiles - Includes 9 scanned tiff files from the contractor's scaled mylar section profiles and 9 pdf files from the tiff scaled profile scans.)
1974-002-FA-SE-001-02 (DVD ROM disk of BT-1 STACK, MILLER DEMUX, BT-1CNTRCT DEMUX,BT-8 STCK,DMX, )
1974-002-FA-SE-001-07 (Line BT-1 - Contractor STACK SEG-Y Data - 6 SEG-Y stack files prepared by contractor.)
1974-002-FA-SE-001-15 (Line BT-8 - Scanned Profiles - Includes 6 scanned tiff files from the contractor's true amplitude mylar section profiles and 6 pdf files from the tiff true amplitude profile scans.)
1974-002-FA-SE-001-04 (Scanned seismic profiles: includes pdf files from the tiff scaled profile and true amplitude scans.)
1974-002-FA-SE-001-01 (Paper record section of Lines BT-01, BT-04, BT-08, )
1974-002-FA-SE-001-10 (Line BT-4 - Scanned Profiles - Includes 6 scanned tiff files from the contractor's scaled mylar section profiles and 6 pdf files from the tiff scaled profile scans.)
1974-002-FA-SE-001-11 (Line BT-4 - Scanned Profiles - Includes 6 scanned tiff files from the contractor's true amplitude mylar section profiles and 6 pdf files from the tiff true amplitude profile scans. )
1974-002-FA-SE-001-14 (Line BT-8 - Scanned Profiles - Includes 6 scanned tiff files from the contractor's scaled mylar section profiles and 6 pdf files from the scanned scaled mylar section profiles.)
LaCoste-Romberg gravimeter G-179 --- Gravity
Varian V-75 magnetometer --- Magnetics
Echosounder --- Single Beam
IMDCS navigation --- Navigation
1974-002-FA-LN-001 (CDP navigation trackline plot for field activity 74002)
1974-002-FA-LN-002 (BT-1 (text file) Line BT-1 shotpoint navigation file.)
1974-002-FA-LN-003 (BT-8 (text file) Line BT-8 shotpoint navigation file.)

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