Survey Identifier: ODP118JR
Format Acronym: MGD77
Data Center File Number: 23060021
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19871208
Source Institution: TEXAS A+M UNIVERSITY
Country: USA
Platform Name: JOIDES RESOLUTION
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ROBINSON,VON HERZEN, ADAMSON
Project: OCEAN DRILLING PROGRAM LEG 118
Survey Departure Date (yyyymmdd): 19871022
Port of Departure: PT.LOUIS,MAURITIUS
Survey Arrival Date (yyyymmdd): 19871214
Port of Arrival: PT.LOUIS,MAURITIUS
Navigation Instrumentation: MAGNAVOX TRANSIT & GPS
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: AIRGUN&SSI 80 WATERGUN
Formats of Seismic Data: ANAL.REC.35MM FILM,DIGITAL MAG.TAPE
Topmost Latitude of Survey: -19
Bottommost Latitude: -34
Leftmost Longitude: +056
Rightmost Longitude: +058
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: ORIGINAL RECORDS ARCHIVED AT ODP, NAVIGATION ON/OFF SITES MAY BE INACCURATE DUE TO INSUFFICIENT COURSE, AND SPEED DATA. BATHYMETRY CORRECTED BY NGDC USING DIGITAL CARTERS TABLES
Number of Data Records: 2926
Min/Max Data Record:
Date: 1987 10 22
Latitude: -33.09920
Longitude: +56.95633
Bathymetry, 2- Way Traveltime: 003747
Bathymetry, Corrected Depth: 286.0
Magnetics Total Field, 1st Sensor: 358580
Magnetics Residual Field: -03881
Min/Max Data Record:
Date: 1987 12 14
Latitude: -19.98999
Longitude: +57.96134
Bathymetry, 2- Way Traveltime: 075640
Bathymetry, Corrected Depth: 5720.0
Magnetics Total Field, 1st Sensor: 377730
Magnetics Residual Field: +04758