Other ID: CH 17-95 Leg 1
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Principal Investigator(s): William Dillon
Affiliate Investigator(s): Joe Gettrust - NRL-Stennis Space Center
Data Type(s): Imagery: Photo, Imagery: Video, Location-Elevation: Navigation, Sampling: Geology, Seismics: Air Gun / Water Gun, Sonar: Sidescan
Scientific Purpose/Goals: Sidescan sonar and seismic imaging of Blake Ridge collapse structure.
Start Port/Location: Beaufort, NC
End Port/Location: Beaufort, NC
Start Date: 1995-10-11
End Date: 1995-10-19
Equipment Used: Air gun, SIS-7000 sidescan, Sidescan sonar, DGPS, ARGO, Single channel hydrophone
Information to be Derived:
Summary of Activity and Data Gathered:
Staff: William Danforth, Rebecca Drury, Barry Irwin, Thomas O'Brien
Joe Gettrust - NRL; Mary Rowe - NRL; Larry Kooker - tech. - USGS-Menlo; Fred Hegg - tech. - Datasonics
Notes: Original Center People field contained: Bill Danforth - Ch. Sci.; Tom O'Brien - tech., Rebecca Drury - data curator, Barry Irwin - nav. tech., Greg Miller - tech.
Project = Gas Hydrate, Gas Hydrate
Blake Ridge, Blake Spur, South Carolina, United States, North America, North Atlantic;
|North: 32.5||South: 31.5||West: -76||East: -75|
Anton, C., Dillon, W.P., and Lee, M., 1999, Anomalous, nearly horizontal, seismic reflection at the Blake Ridge--Evidence for a gas trap crosses the base of gas hydrate stability [abs.]: Eos, Transactions, American Geophysical Union, Spring Meeting, v. 80 no. 17-supplement.
Taylor, M.H., Dillon, William P., Anton, Christopher H., and Danforth, William, 1999, Seismic-reflection surveys of the Blake Ridge, R/V CAPE HATTERAS 1992 and 1995; data acquisition, navigation and processing: U.S. Geological Survey Open-File Report 99-372, URL: http://pubs.usgs.gov/of/1999/of99-372/.
FAN 1995-023-FA has data viewable in the GeoMappApp/Virtual Ocean applications. To view this data in these applications go to http://www.geomapapp.org/ and http://www.virtualocean.org/. See the instructions for locating USGS data in these applications. You can also view the imagery created from the SEGY data at http://cmgds.marine.usgs.gov/images.php?cruise=1995-023-FA.
|Survey Equipment||Survey Info||Data Type(s)||Data Collected|
|Air gun||---||Air Gun / Water Gun|
|SIS-7000 sidescan||---||Sidescan||1995-023-FA-SO-002 ( CD ROM disk of L7,8,9,10,11 BLAKE RIDGE, )|
1995-023-FA-NL-002 ( CD ROM disk of L7,8,9,10,11 BLAKE RIDGE, )
|DGPS||---||Navigation||Nav data ( )|
1995-023-FA-LN-001-01 ( Raw navigation)
1995-023-FA-LN-001-02 ( Processed navigation)
|Single channel hydrophone||---||Air Gun / Water Gun|
Sub Bottom Profiler
|Chirp seismic data ( )|
1995-023-FA-SE-001 ( Digital tape(s) of SSS-SBTM L7-9, SSS-SBTM L10-11, SSS-SBTM L8, )
1995-023-FA-SE-001-01 ( SEGY seismic data)