Survey Identifier: DSDP36GC
Format Acronym: MGD77
Data Center File Number: 15050034
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19791124
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): BARKER P.,DALZIEL I.
Project: DEEPSEA DRILL.LG 36 <NSF>
Survey Departure Date (yyyymmdd): 19740404
Port of Departure: USHUAIA,ARGENTINA
Survey Arrival Date (yyyymmdd): 19740522
Port of Arrival: RIO DE JANEIRO,BRAZIL
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO PSR REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: -23
Bottommost Latitude: -57
Leftmost Longitude: -067
Rightmost Longitude: -032
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LIN.INTERP.AT 30DEG C/C OR 500MI ALONG TRACK
Number of Data Records: 6574
Min/Max Data Record:
Date: 1974 04 04
Latitude: -56.89710
Longitude: -66.20000
Bathymetry, 2- Way Traveltime: 000774
Bathymetry, Corrected Depth: 58.0
Magnetics Total Field, 1st Sensor: 234400
Magnetics Residual Field: -06250
Min/Max Data Record:
Date: 1974 05 22
Latitude: -23.98290
Longitude: -32.31160
Bathymetry, 2- Way Traveltime: 086400
Bathymetry, Corrected Depth: 6496.0
Magnetics Total Field, 1st Sensor: 361500
Magnetics Residual Field: +07600