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Summary Information for Field Activity 1976-038-FA

Area of Operations: Blake Plateau, Blake outer ridge, United States, North America, North Atlantic

Dates: September 21, 1976 to October 10, 1976

Chief scientist: John Grow

Objectives: FAY 025 was a geophysical cruise to collect airgun, minisparker, gravity and magnetic data on the Blake Plateau. Planned tasks included: fault survey at the eastern edge of the Blake Plateau; deep-water airgun line from north of the Blake outer ridge down to Deep Sea Drilling Site 391; 2-3 gravity lines on the southern part of the Blake Plateau; minisparker profile from GLOMAR CONCEPTION drill site 6004 up to CALDRILL site 5; marker buoy deployment off New Jersey; and gravity data between Woods Hole and the Blake Plateau.

Type of Activity: Seismic profiling;

Information to be derived: Morphology;

Summary: The cruise included a detailed fault survey over the eastern edge of Blake Plateau; airgun line from north of Blake Outer Ridge, across ridge to DSDP #391; gravity lines on southern part of the plateau, passing over DSDP #390 on Blake Spur; minisparker line from GLOMAR CONCEPTION #6004 (FA 76027) to CALDRILL #5 (FA 65001); buoy deployment at GLOMAR CONCEPTION site off NJ; and gravity survey along CDP lines 12 and 13 (GULF SEAL FA 75023). Gravity: 5560 km (Woods Hole to Woods Hole, except briefly on Sep. 30, 1976); Airgun: 3310 km; Minisparker: 3310 km; Magnetometer: 3310 km. Airgun, minisparker and magnetometer operated simultaneously from 1600Z Sep. 24 to 0030Z Oct. 8, 1976.

Contact: John Grow ()

InfoBank: uses the identifier F-25-76-SE. Visit this site for more information.

Related Links: http://pubs.usgs.gov/of/of97-512/

Click to get Google Software - Download 76038.kml to view this field activity in Google Earth

Platform Info:

Publications resulting from these data

Paskevich, Valerie F., and Soderberg, Nancy K.,1997, Navigation and geophysical data collected onboard the R/V FAY from 1975-1976: U.S. Geological Survey Open-File Report 97-512, CD-ROM. (Also available at http://pubs.usgs.gov/of/of97-512/)

Data Types and Locations:

 

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