Survey Identifier: IG2802


Format Acronym: MGD77
Data Center File Number: 10020041
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/R.T. BUFFLER
Project: TECTONIC FRAMEWORK OF THE GULF OF MEXICO PHASE III
Funding: JOINT INDUSTRY
Survey Departure Date (yyyymmdd): 19780414
Port of Departure: KEY WEST FLA USA
Survey Arrival Date (yyyymmdd): 19780419
Port of Arrival: GALVESTON TEXAS USA
Navigation Instrumentation: SATELLITE,DEAD RECKONING, OMEGA
Geodetic Datum/Position: SATELLITE, DEAD RECKONING
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 3 MAGNETIC AIR GUNS, SPARKER
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +30
Bottommost Latitude: +23
Leftmost Longitude: -095
Rightmost Longitude: -080
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: GT3-69A THRU 75, JOINT INDUSTRY SUPPORTED RESEARCH PROJECT. DATA AVAILABLE THRU UT INSTITUTE, FOR GEOPHYSICS ONLY.
Number of Data Records: 2365

Min/Max Data Record:
Date: 1978 04 13
Latitude: +23.75850
Longitude: -94.78430
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 469420
Magnetics Residual Field: +00820
Seismic Shot-Point Number: 010000

Min/Max Data Record:
Date: 1978 04 21
Latitude: +29.48190
Longitude: -80.46040
Bathymetry, Corrected Depth: 3433.0
Magnetics Total Field, 1st Sensor: 511030
Magnetics Residual Field: +06590
Seismic Shot-Point Number: 010000