Survey Identifier: IG2303


Format Acronym: MGD77
Data Center File Number: 10020035
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): 19770123
Port of Departure: TAMPA BAY FLA USA
Survey Arrival Date (yyyymmdd): 19770131
Port of Arrival: GALVESTON TEXAS USA
Navigation Instrumentation: SATELLITE, LORAN C
Geodetic Datum/Position: SATELLITE, 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 MAGNETIC AIR GUNS
Formats of Seismic Data: MYLAR, PAPER, NEGATIVE
Topmost Latitude of Survey: +30
Bottommost Latitude: +24
Leftmost Longitude: -095
Rightmost Longitude: -082
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: GT2-24A THRU 45; GT2-15C THRU 15F; MIS-2 THRU 12, NAPLES-2 THRU 10. JOINT INDUSTRY SUPPORTED RESEARCH PROJECT. DATA AVAILABLE THRU UT INSTITUTE, FOR GEOPHYSICS ONLY.
Number of Data Records: 2858

Min/Max Data Record:
Date: 1977 01 22
Latitude: +24.23790
Longitude: -94.07310
Bathymetry, Corrected Depth: 23.0
Magnetics Total Field, 1st Sensor: 474650
Magnetics Residual Field: -06750
Seismic Shot-Point Number: 010000

Min/Max Data Record:
Date: 1977 02 01
Latitude: +29.05650
Longitude: -82.76690
Bathymetry, Corrected Depth: 3502.0
Magnetics Total Field, 1st Sensor: 506790
Magnetics Residual Field: -01730
Seismic Shot-Point Number: 010000