Survey Identifier: IG1202


Format Acronym: MGD77
Data Center File Number: 10020006
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19880609
Source Institution: UT INSTITUTE FOR GEOPHYSICS
Country: U.S.A.
Platform Name: R/V IDA GREEN
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J. WATKINS
Project: MC SEISMIC INVESTIGATIONS OF SEA FLOOR MINERALS GOM I
Funding: DOE
Survey Departure Date (yyyymmdd): 19741008
Port of Departure: VERACRUZ MEXICO
Survey Arrival Date (yyyymmdd): 19741018
Port of Arrival: GALVESTON TEXAS USA
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE, DEAD RECKONING
Bathymetry Instrumentation: 12 & 3.5 KHZ ECHOSOUNDER
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM
Magnetics Instrumentation: PROTON PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG CHART RECORD, 35MM MICROFILM
Seismic Instrumentation: 24 CHAN 8000FT ARRAY 2-1700CU IN AIRGUNS
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +30
Bottommost Latitude: +19
Leftmost Longitude: -096
Rightmost Longitude: -090
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1,1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 050
Magnetic Sensor Tow Distance: 250.
Reference Field Code: 03
Reference Field: IGRF 65
Additional Documentation: MULTICHANNEL SEISMIC LINES ACQUIRED: WG-2,3
Number of Data Records: 3266

Min/Max Data Record:
Date: 1974 10 08
Latitude: +19.00700
Longitude: -95.90970
Bathymetry, Corrected Depth: 51.0
Magnetics Total Field, 1st Sensor: 435770
Magnetics Residual Field: -03540
Seismic Shot-Point Number: 010012

Min/Max Data Record:
Date: 1974 10 18
Latitude: +29.23500
Longitude: -90.89960
Bathymetry, Corrected Depth: 3806.0
Magnetics Total Field, 1st Sensor: 507270
Magnetics Residual Field: -00980
Seismic Shot-Point Number: 012683