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Summary Information for Field Activity 1980-025-FA

Area of Operations: continental slope, Cape Hatteras area, North Carolina
continental shelf, slope and rise, Virginia state line to Cape Hatteras, North Carolina
and Straits of Florida, Vero Beach to Miami, Florida, United States, North America, North Atlantic

Dates: September 18, 1980 to October 14, 1980

Chief scientist: Pete Popenoe

Objectives: Leg 1, September 18-25, 1980, Mid-range sidescan sonar: Survey with the Lamont mid-range sidescan sonar system in the lease block areas of Sale 56 in order to determine environmental conditions or hazards prior to leasing of these blocks for petroleum development. Test the utility of the mid-range sidescan sonar system in mapping of the shelf-edge reef system. Examine areas of bedding terminations on the shelf and slope south of Cape Hatteras believed to be slump scars. Determine the utility of the sidescan-sonar system in mapping salt diapirs. Legs 2 and 3, September 26 - October 14, 1980, High-resolution seismic reflection: Regionally access the types and frequencies of environmental hazards or constraints to petroleum exploration or development in the area from Cape Hatteras to the Virginia state line. Survey the shelf, slope and rise on a 25 km grid as part of a regional shallow stratigraphic study. Tie the drill holes ASP-7, ASP-8, AMCOR 6006, and ASP-5 with one continuous line as an aid in regional stratigraphic studies. Study the offshore extent and nature of the Florida aquifer and possible structure or leaks (exposures) affecting the aquifer.

Type of Activity: Seismic profiling;

Information to be derived: Seismic profiles

Summary: Leg 1, September 18-25, 1980: 335 km sidescan sonar, 3.5 kHz, and minisparker data collected. Legs 2-3, September 26 - October 14, 1980: 2,950 km airgun and 3.5 kHz data collected.

Contact: Pete Popenoe (ppopenoe@usgs.gov)

InfoBank: uses the identifier G-9-80-SE. Visit this site for more information.

Related Links:

Click to get Google Software - Download 80025.kml to view this field activity in Google Earth

Platform Info:

Publications resulting from these data

Popenoe, Peter, and Meyer, Fred W.,1983, Description of single-channel, high-resolution, seismic-reflection data collected from the continental shelf, slope, and upper rise between Cape Hatteras, North Carolina, and Norfolk, Virginia; and Vero Beach and Miami, Florida (Cruise 80-G-9): U.S. Geological Survey Open-File Report 83-515, 4 p.. (Available as a PDF version). (Also available at http://pubs.er.usgs.gov/usgspubs/ofr/ofr83515)

Popenoe, Peter, Cashman, K. V., Chayes, Dale, and Ryan, W. B. F.,1981, Mid-range sidescan-sonar images covering parts of proposed tracts for OCS Lease Sale 56 and contiguous areas, Manteo, Cape Fear, and adjacent quadrangles off North Carolina: U.S. Geological Survey Open-File Report 81-554, 6 p.. (Available as a PDF version)


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Data Types and Locations:

Navigation

GYRE 80-9A Leg 1 Trackchart, Sep. 18-25, 1980 (pdf file) Trackchart covering Leg 1, Manteo and Cape Fear quadrangles, Lease Block 56.

GYRE 80-9A Leg 2 Trackchart, Sep. 25 - Oct. 8, 1980 (pdf file) Trackchart covering Leg 2, off Albemarle Sound.

GYRE 80-9A Leg 2 Trackchart (pdf file) Trackchart covering Leg 2.

GYRE 80-9A Legs 1 and 2 Trackchart, Sep. 18 - Oct. 8, 1980 (pdf file) Trackchart covering Legs 1 and 2.

GYRE 80-9A Leg 3 Trackchart, Oct. 10-14, 1980 (pdf file) Trackchart covering Leg 3, Vero Beach to Miami Beach, FL.

GYRE 80-9A Leg 3 Trackchart (pdf file) Trackchart covering Leg 3.

GYRE 80-9A Leg 3 Trackchart (pdf file) Trackchart covering Leg 3.

GYRE 80-9A Leg 3 Trackchart (pdf file) Trackchart covering Leg 3.

Northstar Navigation File, Sep. 19-20, 1980, Leg 1 (text file) Navigation file containing day, month, year, time, time zone, latitude, and longitude.

Northstar Navigation File, Sep. 22-24, 1980, Leg 1 (text file) Navigation file containing day, month, year, time, time zone, latitude, and longitude.

Northstar Navigation File, Sep. 27 - Oct. 8, 1980, Leg 2 (text file) Navigation file containing day, month, year, time, time zone, latitude, and longitude.

Northstar Navigation File, Oct. 10-14, 1980, Leg 3 (text file) Navigation file containing day, month, year, time, time zone, latitude, and longitude.

Logs

Chief Scientist's cruise report for Legs 1, 2, and 3 describing ship movement, personnel, equipment and data acquisition notes, chronological log, and trackmaps.

Chief Scientist's cruise narrative for Legs 1, 2, and 3.

Geophysics Log from Legs 1, 2, and 3 including sidescan sonar, airgun and 3.5 kHz systems.

Watchstander's navigation log with equipment configuration, performance, ship movement, tape and line changes, and trackmaps.

Chief Scientist's cruise report for Legs 1, 2, and 3 describing ship movement, personnel, equipment and data acquisition notes, chronological log, and trackmaps.

Seismics

Scanned Seismic Lines

Sonar

 

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