Survey Identifier: ODP141JR
Format Acronym: MGD77
Data Center File Number: 23060045
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): J.BEHRMAN, S.LEWIS, R.MUSGRAVE
Project: OCEAN DRILLING PROGRAM LEG 141
Survey Departure Date (yyyymmdd): 19911115
Port of Departure: BALBOA, PANAMA
Survey Arrival Date (yyyymmdd): 19920112
Port of Arrival: VALPARAISO, CHILE
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: WATERGUNS
Formats of Seismic Data: ANAL.REC., 35MM FILM< DIGITAL MAG TAPE
Topmost Latitude of Survey: +09
Bottommost Latitude: -47
Leftmost Longitude: -082
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-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: 15931
Min/Max Data Record:
Date: 1991 11 15
Latitude: -46.58512
Longitude: -81.55884
Bathymetry, 2- Way Traveltime: 001267
Bathymetry, Corrected Depth: 95.0
Magnetics Total Field, 1st Sensor: 247190
Magnetics Residual Field: -05355
Min/Max Data Record:
Date: 1992 01 12
Latitude: +8.95983
Longitude: -71.58400
Bathymetry, 2- Way Traveltime: 083747
Bathymetry, Corrected Depth: 6346.0
Magnetics Total Field, 1st Sensor: 338380
Magnetics Residual Field: +06733