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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1974-001-FA

Other ID: CORPUS 20/26

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): Henry Berryhill

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Sampling: Biology, Sampling: Geology, Location-Elevation: Navigation

Scientific Purpose/Goals: Collect seismic profiles, sediment samples and gravity cores on the inner continental shelf, offshore Texas.


Start Port/Location:

End Port/Location:

Start Date: 1974-03-04

End Date: 1974-03-08

Equipment Used: Grab sampler, Seismic reflection, Loran-C

Information to be Derived: Samples and chemical analysis;

Summary of Activity and Data Gathered: Sediment Sampling; Gravity Coring; Seismic Reflection Profiles: 110 miles (177 km).

Staff: Henry Berryhill

Affiliate Staff:
Gary Hill (Sci. Tech.); Michael Dorsey (Sci. Tech.); Ralph Hunter (Geologist) PMG



inner continental shelf, offshore Texas, United States, Gulf of Mexico, North America, North Atlantic;

North: 28.25 South: 27.9 West: -96.8 East: -96.25


photo of Longhorn


Berryhill, H.L., Casby, Susan, Hill, Gary, Holmes, C. W., Dorsey, Michael, and Harwood, Roderick, 1975, Sediment characteristics of the inner shelf and environmental geologic map, Port Aransas area, Texas; preliminary results: U.S. Geological Survey Open-File Report 75-218, URL:


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Grab sampler --- Biology
Loran-C --- Navigation
Seismic reflection --- Air Gun / Water Gun

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