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Summary for Field Activity Number 1979-003-FA

Area of Operations: eastern St. Croix, southern St. Thomas - St. John Platform, U.S. Virgin Islands, United States, Caribbean, North America, North Atlantic

Dates: Mar 18, 1979 to Mar 31, 1979

Objectives: Obtain high-resolution data from eastern portion of St. Croix, in addition to obtaining some core data for ground truth on a suspected sand body. In the Saba Island area off St. Thomas - St. John, make current measurements, obtain surface samples, and core the reef masses to obtain samples for dating.

Type of Activity: Sampling
Seismic profiling

Information to be derived: Samples and chemical analysis
Seismic profiles

Summary: Approximately 100 km of high-resolution data were acquired (mostly minisparker). The 1032 system lacked the power to penetrate the hard carbonate surface. The few centimeters of sand could not be resolved. 5 days of continuous current data were acquired, the last two under winter storm conditions. Vibracores: 4; 120 cm drill core: 1 (30 cm recovery); surface samples: 12.

USGS Project Number: VI CSTL

Contact: Dave Folger ()

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
photo of SARIMA
SARIMA
BLACK CORAL
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