Survey Identifier: IG1601
Format Acronym: MGD77
Data Center File Number: 10020030
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.L. WORZEL
Project: TECTONIC FRAMEWORK OF THE GULF OF MEXICO PHASE I
Funding: JOINT INDUSTRY
Survey Departure Date (yyyymmdd): 19751124
Port of Departure: GALVESTON TEXAS USA
Survey Arrival Date (yyyymmdd): 19751213
Port of Arrival: GALVESTON TEXAS USA
Navigation Instrumentation: SATELLITE, LORAN C
Geodetic Datum/Position: SATELLITE, DEAD RECKONING, LORAN C
Bathymetry Instrumentation: 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: DFS 10000 MAGNETIC AIR GUNS
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +30
Bottommost Latitude: +18
Leftmost Longitude: -098
Rightmost Longitude: -091
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: 04
Reference Field: IGRF 75
Additional Documentation: MULTICHANNEL SEISMIC LINES ACQUIRED: 16-1-1 THRU 38; CEG-1 THRU 8; CSG-1 THRU, 9; CSS-13 THRU 19; GLG-18 THRU 24, JOINT INDUSTRY SUPPORTED RESEARCH PROJECT. DATA AVAILABLE THRU UT INSTITUTE, FOR GEOPHYSICS ONLY.
Number of Data Records: 6981
Min/Max Data Record:
Date: 1975 11 19
Latitude: +18.46830
Longitude: -97.04160
Bathymetry, Corrected Depth: 17.0
Magnetics Total Field, 1st Sensor: 431880
Magnetics Residual Field: -10020
Seismic Line Number: 16110
Seismic Shot-Point Number: 010000
Min/Max Data Record:
Date: 1975 12 13
Latitude: +29.10860
Longitude: -91.39030
Bathymetry, Corrected Depth: 3758.0
Magnetics Total Field, 1st Sensor: 503740
Magnetics Residual Field: +03370
Seismic Line Number: 16189
Seismic Shot-Point Number: 010000