Woods Hole Science Center

Summary Information for Field Activity 1991-027-FA

Area of Operations: Blake Ridge, Cape Fear, North Carolina, United States, North America, North Atlantic

Dates: August 19, 1991 to August 30, 1991

Chief scientist: Bill Dillon

Charles Paull - UNC; Richard von Herzen - WHOI

Objectives: Study of geological/geochemical/physical controls on gas hydrate distribution in sediments of the continental rise off North Carolina using seismics, heat flow measurements and chemistry of core samples.

Type of Activity: Sampling; Seismic profiling;

Information to be derived: Morphology;

Summary: Seismic profiles: 12 (626 km); Piston cores: 12 (nearly 40 ft. long); Heat flow measurements: 3 transects (32 sites).

Contact: Bill Dillon (bdillon@usgs.gov)

InfoBank: uses the identifier H-15-91-EC. Visit this site for more information.

- Download 91027.kml to view this field activity in Google Earth

Platform Info:

CAPE HATTERAS

Publications resulting from these data

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: p. S342. (Also available at http://www.agu.org/cgi-bin/SFgate/SFgate?language=English&verbose=0&listenv=table&application=sm99&convert=&converthl=&refinequery=&formintern=&formextern=&transquery=dillon&_lines=&multiple=0&descriptor=%2fdata%2fepubs%2fwais%2findexes%2fsm99%2fsm99|537|3089|T51A-08%20%20Anomalous%2c%20Nearly%20Horizontal%2c%20Seismic%20Reflection%20at%20the%20Blake%20Ridge:%20Evidence%20for%20a%20Gas%20%20Trap%20that%20C%20*%20Anton%2c%20C%20H%20Dillon%2c%20W%20P%20Lee%2c|TEXT|localhost:0|%2fdata%2fepubs%2fwais%2findexes%2fsm99%2fsm99|5522885%205525974%20%2fdata2%2fepubs%2fwais%2fdata%2fsm99%2fsm99.txt)

Data Types and Locations:

Navigation

Locations for piston cores and heat flow stations.

Seismic line end locations.

Cruise navigation

Logs

Chief Scientist's cruise report.

Oceanographic Measurements

SAIL Information - (text file) Data collected from a number of meterological, oceanographic and maritime devices aboard the RV CAPE HATTERAS. The scan rate for the system is user-selectable, usually 5 minutes.

Samples

Seismics

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