USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 1983-010-FA

Other ID: 702-84 (83-1)

Status: Completed

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

Funding Program(s):

Principal Investigator(s): Ronald C. Circe, Lawrence Poppe

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Biological Field Study: Experiments, Imagery: Photo, Location-Elevation: Navigation, Sampling: Biology, Sampling: Geology, Seismics: Sparker

Scientific Purpose/Goals: 1. Survey and sample shelf edge calcareous prominences along the northeastern Gulf of Mexico to study the structure, geology, and paleoenvironments of these reefs; 2. study the sedimentation on the rise seaward of the West Florida Escarpment; and 3. study the distribution of phosphate and manganese crusts on the West Florida Slope and Escarpment.

Vehicle(s):

Start Date: 1983-10-16

Start Port/Location: Ft. Lauderdale, FL

End Date: 1983-11-05

End Port/Location: Tampa, FL

Equipment Used: Grab sampler, Dredge, Benthos model 372 camera and strobe, Corer - slow, Northstar 6000 LORAN-C, Navidyne ESC-7000, Sparker system, Single channel hydrophone

Information to be Derived: Morphology; Samples and chemical analysis;

Summary of Activity and Data Gathered: Grab samples: 33; Dredge samples: 3; Photo stations: 11; Piston cores: 5; Pavement (hardrock) cores: 6; 3.5 kHz profiles: 450 km; 30 kJ sparker profiles: 450 km.

Staff: Dann Blackwood, Candy Bostwick, Ronald C. Circe, Robert F. Commeau, Alfred Dahl, John C., Jr. Hampson, C. Wesley Lombard, Lawrence Poppe

Affiliate Staff:
Heidi Meir; Greg Magnus - Delaware Geological Survey; Charles Paull - Scripps; Juan Trias - USGS-San Juan

Notes: Original Center People field contained: Dann Blackwood, Ronald Circe, Robert Commeau, Albert Bud Dahl, John Hampson, Candy Lane, Wesley Lombard, Heidi Meir, Lawrence Poppe.
Project = Shelf-edge reef study, Shelf-edge reef study

Location:

West Florida Escarpment and slope, Mississippi Canyon Reef, Hoffa Reef, Mid-Canyon Pinnacle, Desoto Canyon Reef, Mobile Pinnacle, Gulf of Mexico, United States, North America, North Atlantic;

Boundaries
North: 29.54278 South: 25.95833 West: -90.0167 East: -84.63611

Platform(s):

photo of Lynch
Lynch

Publications

Portals/Viewers

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Grab sampler --- Biology
Geology
Dredge --- Biology
Geology
Benthos model 372 camera and strobe --- Photo
Corer - slow --- Geology
Northstar 6000 LORAN-C --- Navigation
1983-010-FA-LN-001 ( Digital tapes of NV data: inv. # 2869 thru 2874, 2935 thru 2938, and 3776.)
Navidyne ESC-7000 --- Navigation
Sparker system --- Sparker
Single channel hydrophone --- Air Gun / Water Gun
Boomer
Bubble Gun
Sparker
Sub Bottom Profiler
1983-010-FA-SE-003 ( analog tape of seismic data)
1983-010-FA-SE-002 ( microfilm of )
1983-010-FA-SE-001 ( Collection of paper record displays of seismic data( 12K) for lines )