Survey Identifier: DSDP94GC


Format Acronym: MGD77
Data Center File Number: 15050094
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19840118
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: D/V GLOMAR CHALLENGER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): KIDD,R.B.,RUDDIMAN,W.F.
Project: DEEPSEA DRILL.LG 94 <NSF OCE80-24472>
Survey Departure Date (yyyymmdd): 19830624
Port of Departure: NORFOLK,VIRGINIA
Survey Arrival Date (yyyymmdd): 19830816
Port of Arrival: ST.JOHNS,NEWFOUNLAND
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/EDO 550A RECORDERS/WIDE BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: GEOMETRICS MAGNETOMETER MOD G-801/3
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO 550 REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +54
Bottommost Latitude: +37
Leftmost Longitude: -074
Rightmost Longitude: -018
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 80
Reference Field: IGRF 1980
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 6063

Min/Max Data Record:
Date: 1983 06 24
Latitude: +36.97000
Longitude: -73.77330
Bathymetry, 2- Way Traveltime: 002725
Bathymetry, Corrected Depth: 199.0
Magnetics Total Field, 1st Sensor: 448070
Magnetics Residual Field: -06320

Min/Max Data Record:
Date: 1983 08 16
Latitude: +53.38480
Longitude: -18.57869
Bathymetry, 2- Way Traveltime: 073875
Bathymetry, Corrected Depth: 5604.0
Magnetics Total Field, 1st Sensor: 536610
Magnetics Residual Field: +17620