Survey Identifier: ODP140JR
Format Acronym: MGD77
Data Center File Number: 23060044
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19
Source Institution: TEXAS A+M UNIVERSITY
Country: USA
Platform Name: JOIDESRESOLUTION
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): H.DICK, J.ERZINGER, L.STOKKING
Project: OCEAN DRILLING PROGRAM LEG 140
Survey Departure Date (yyyymmdd): 19910916
Port of Departure: VICTORIA,BRITISH COLUMBIA
Survey Arrival Date (yyyymmdd): 19911112
Port of Arrival: BALBOA, PANAMA
Navigation Instrumentation: MAGNAVOX TRANSIT & GPS & LORAN C
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5&12KHZ PDR
Additional Forms of Bathymetric Data: ANAL.REC,35MM FILM,DIGITAL MAG.TAPE
Magnetics Instrumentation: GEOMETRICS 801 PROTON
Additional Forms of Magnetics Data: ANAL.REC,35MM FILM,DIGITAL MAG.TAPE
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: NONE COLLECTED
Topmost Latitude of Survey: +49
Bottommost Latitude: +01
Leftmost Longitude: -127
Rightmost Longitude: -081
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 (DEPTHS PICKED AT 5 MINUTE INTERVALS)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Reference Field Code: IG
Reference Field: RF-85
Method of Applying Residual Field: LIN.INTERP.POINTS WITHIN ONE DEGREE PLANE
Additional Documentation: PROCESSED BY GEOLOGICAL DATA CENTER-SIO FOR OCEAN DRILLING PROJECT. ORIGINAL RECORDS ARCHIVED AT ODP, NAVIGATION ON/OFF SITES MAY BE INACCURATE DUE TO INSUFFICIENT COURSE, AND SPEED DATA. 1 MINUTE GPS FIXES ARE USED ON THE SURVEY BEFORE THE, SITE WHEN AVAILABLE.
Number of Data Records: 21435
Min/Max Data Record:
Date: 1991 09 16
Latitude: +1.22819
Longitude: -126.07133
Bathymetry, 2- Way Traveltime: 007307
Bathymetry, Corrected Depth: 547.0
Magnetics Total Field, 1st Sensor: 318890
Magnetics Residual Field: -07075
Min/Max Data Record:
Date: 1991 11 11
Latitude: +48.48900
Longitude: -81.03399
Bathymetry, 2- Way Traveltime: 059347
Bathymetry, Corrected Depth: 4456.0
Magnetics Total Field, 1st Sensor: 550200
Magnetics Residual Field: +10412