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 |
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.
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. |
Survey Equipment | Survey Info | Data 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.) |