Survey Identifier: IG2401


Format Acronym: MGD77
Data Center File Number: 10020036
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 I
Funding: JOINT INDUSTRY
Survey Departure Date (yyyymmdd): 19770303
Port of Departure: GALVESTON TEXAS USA
Survey Arrival Date (yyyymmdd): 19770316
Port of Arrival: COLON PANAMA
Navigation Instrumentation: SATELLITE, LORAN C
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: 35MM MICROFILM
Seismic Instrumentation: DFS 10000 2 MAG. AIR GUNS 24 CHANNELS
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +30
Bottommost Latitude: +09
Leftmost Longitude: -095
Rightmost Longitude: -079
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: GT2-51 THRU 52; PN-1A THRU 1B; CB-2, JOINT INDUSTRY SUPPORTED RESEARCH PROJECT. DATA AVAILABLE THRU UT INSTITUTE, FOR GEOPHYSICS ONLY.
Number of Data Records: 3558

Min/Max Data Record:
Date: 1977 03 03
Latitude: +9.31500
Longitude: -94.75000
Bathymetry, Corrected Depth: 42.0
Magnetics Total Field, 1st Sensor: 362200
Magnetics Residual Field: -13950

Min/Max Data Record:
Date: 1977 03 16
Latitude: +29.33330
Longitude: -79.90130
Bathymetry, Corrected Depth: 5169.0
Magnetics Total Field, 1st Sensor: 498250
Magnetics Residual Field: -01090