Survey Identifier: ODP142JR
Format Acronym: MGD77
Data Center File Number: 23060046
Parameters Surveyed Code: 55133
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): R.BATIZA, M.STORMS, J.ALLAN
Project: OCEAN DRILLING PROGRAM LEG 142
Survey Departure Date (yyyymmdd): 19920118
Port of Departure: VALPARAISO,CHILE
Survey Arrival Date (yyyymmdd): 19920317
Port of Arrival: HONOLULU, HAWAII
Navigation Instrumentation: GPS & occasionally TRANSIT SATELLITES
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: WATERGUNS
Formats of Seismic Data: ANAL.REC., 35MM FILM, DIGITAL MAG TAPE
Topmost Latitude of Survey: +20
Bottommost Latitude: -34
Leftmost Longitude: -152
Rightmost Longitude: -071
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-90
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: 28637
Min/Max Data Record:
Date: 1992 01 18
Latitude: -33.02782
Longitude: -151.57049
Bathymetry, 2- Way Traveltime: 001067
Bathymetry, Corrected Depth: 80.0
Magnetics Total Field, 1st Sensor: 253950
Magnetics Residual Field: -07256
Min/Max Data Record:
Date: 1992 03 17
Latitude: +19.57200
Longitude: -71.60983
Bathymetry, 2- Way Traveltime: 081813
Bathymetry, Corrected Depth: 6190.0
Magnetics Total Field, 1st Sensor: 366090
Magnetics Residual Field: +04429