Survey Identifier: IG2301
Format Acronym: MGD77
Data Center File Number: 10020033
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): R.T. BUFFLER
Project: TECTONIC FRAMEWORK OF THE GULF OF MEXICO PHASE II
Funding: JOINT INDUSTRY
Survey Departure Date (yyyymmdd): 19761204
Port of Departure: GALVESTON TEXAS USA
Survey Arrival Date (yyyymmdd): 19761219
Port of Arrival: GALVESTON TEXAS USA
Navigation Instrumentation: LORAN C
Geodetic Datum/Position: 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 4-1500 IN3 MAGNETIC AIR GUNS
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +30
Bottommost Latitude: +23
Leftmost Longitude: -096
Rightmost Longitude: -087
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: GT2-1 THRU 9; NECE-1 THRU 9, JOINT INDUSTRY SUPPORTED RESEARCH PROJECT. DATA AVAILABLE THRU UT INSTITUTE, FOR GEOPHYSICS ONLY.
Number of Data Records: 5763
Min/Max Data Record:
Date: 1976 12 01
Latitude: +23.18230
Longitude: -95.81530
Bathymetry, Corrected Depth: 14.0
Magnetics Total Field, 1st Sensor: 467820
Magnetics Residual Field: +01000
Seismic Shot-Point Number: 010004
Min/Max Data Record:
Date: 1976 12 21
Latitude: +29.34480
Longitude: -87.87140
Bathymetry, Corrected Depth: 4240.0
Magnetics Total Field, 1st Sensor: 507000
Magnetics Residual Field: +06840
Seismic Shot-Point Number: 017127