Other ID: 85 Leg 3B; FRNL 85-3B
Status: Completed
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Funding Program(s):
Principal Investigator(s): N. Terence Edgar
Affiliate Investigator(s): Lindsay Parson - British Institute of Oceanographic Sciences (IOS)
Information Specialist(s):
Data Type(s): Sonar: Sidescan, Seismics: Air Gun / Water Gun, Seismics: Boomer, Seismics: Bubble Gun, Seismics: Sparker, Seismics: Sub Bottom Profiler, Electro-Magnetic: Magnetics, Sonar: Single Beam, Location-Elevation: Navigation
Scientific Purpose/Goals: To ensonify the central region of the Cayman Trough with the GLORIA sidescan system.
Vehicle(s):
Start Port/Location: Key West, FL
End Port/Location: San Juan, Puerto Rico
Start Date: 1985-10-22
End Date: 1985-11-02
Equipment Used: GLORIA sidescan, Air gun, Single channel hydrophone, Marine magnetometer, 3.5 kHz, 10 kHz Bathymetry, ABC navigation system, Magnavox satellite positioning system, Loran-C
Information to be Derived:
Summary of Activity and Data Gathered: The Cayman Trough is a narrow rectangular deep which contains a sea floor spreading system. The survey took place over the coastal region of the spreading ridge and along one line to the eastern extremity of the Trough. These data provide detailed information of the history of spreading in the trough and thus the nature of the northern Caribbean plate boundary.
Staff: Dann Blackwood, Kathryn Scanlon Catanach, William Dillon, N. Terence Edgar, Gary W. Hill
Affiliate Staff:
IOS: Lindsay Parson - co-Ch. Sci.
Derek Bishop - GLORIA engineer
Robin Bonner - airgun tech.
Jon Campbell - GLORIA engineer
John Cherriman - GLORIA engineer
Andrew Harris - GLORIA engineer
Colin Jacobs - geologist; RVS: Doriel Jones - shipboard computing
Derek Lewis - shipboard computing
Notes: Participating agencies include: U.S. Geological Survey (USGS), British Institute of Oceanographic Sciences (IOS), and British Research Vessel Services (RVS). Original Center People field contained: N. Terence Edgar - co-Ch. Sci., USGS-Reston; Dann Blackwood - photographer, USGS-Woods Hole; William Dillon - geologist, USGS-Woods Hole; Gary Hill - geologist, USGS-Reston; Kathy Scanlon - geologist, USGS-Woods Hole.
Project = GLORIA Survey 1985, GLORIA Survey 1985
Location:
Cayman Trough, Cayman Islands, Caribbean Sea, North America, North Atlantic;
Boundaries | |||
---|---|---|---|
North: 22 | South: 17.5 | West: -85.5 | East: -75 |
Platform(s):
Farnella |
Title | Survey Equipment | Description |
---|---|---|
Cruise report | (document not focused on specific equipment) | Chief Scientist's cruise report including personnel, purpose, equipment, and tabulation of data. |
Contractor's report | (document not focused on specific equipment) | Contract Report (pdf file) Institute of Oceanographic Sciences contract report. Includes personnel, program description, cruise narrative, scientific results and trackmaps. The report specified 4 legs of operation. |
Survey Equipment | Survey Info | Data Type(s) | Data Collected |
---|---|---|---|
GLORIA sidescan | --- | Sidescan | 1985-037-FA-SO-001 (CD ROM disk of GLORIA ATLANTIC GEOTIFF, GLORIA CAYMAN GEOTIFF, ) 1985-037-FA-SO-002 (Digital tapes of NV, GLORIA PASSES 1-34, and PROCESSED GLORIA: inventory #2966, 2967, 2968, 3617, 3618, and 3619.) Mosaic |
Air gun | --- | Air Gun / Water Gun | |
Single channel hydrophone | --- | Air Gun / Water Gun Boomer Bubble Gun Sparker Sub Bottom Profiler | 1985-037-FA-SE-002 (microfilm of ) 1985-037-FA-SE-003 (analog tape of seismic data) |
Marine magnetometer | --- | Magnetics | NGDC MGD77 data |
3.5 kHz | --- | Sub Bottom Profiler | |
10 kHz Bathymetry | --- | Single Beam | 1985-037-FA-SE-001 ( Collection of paper record displays of seismic data( 10K) for lines ) NGDC MGD77 data |
ABC navigation system | --- | Navigation | |
Magnavox satellite positioning system | --- | Navigation | |
Loran-C | --- | Navigation | 1985-037-FA-LN-001 (Digital tapes of NV, GLORIA PASSES 1-34, and PROCESSED GLORIA: inventory #2966, 2967, 2968, 3617, 3618, and 3619.) |