| Comments |
FAC created 11/15/2018 from InfoBank by CR.
Scripps Institution of Oceanography. Dates are based on the start and end of airgun data.
DATA COLLECTION OVERVIEW (use NGDC GEODAS CD to retrieve data)
MCG Data Collection ID --- G2171SP
Institution Data Collection ID --- DSDP21GC
NGDC ID --- 15050019
Funding --- (unspecified)
Project, Cruise & Leg --- DEEPSEA DRILL.LG 21
Study region --- -9.00000,-41.00000,+145.00000,-174.00000
Chief Scientist(s) --- ANDREWS J.,BURNS B.
Name of vessel --- D/V GLOMAR CHALLENGER (surface ship)
Date field data collection started --- 11/16/71 SUVA,FIJI
Date field data collection ended --- 01/06/72 DARWIN,AUSTRALIA
Parameters surveyed ---
Bathymetry: surveyed, contained in data file
Magnetics: surveyed, contained in data file
Gravity: not surveyed
High-resolution seismics: not surveyed
Deep penetration seismics: surveyed, but not contained in data file
Format ---
(I1,A8,F5.2,4I2,F5.3,F8.5,F9.5,I1,F6.4,F6.1,I2,i1,3F6.1,I1,F5.1,F6.0,F7.1,F6.1,F5.1,A8,4I1)
Date of data input to NGDC --- 11/22/79
Contributing institution --- SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country --- USA
Navigation instrumentation --- SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Position determination method --- LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry instrumentation --- 12KHZ/GIFFT RECORDER/WIDE(60DEG)BEAM
Additional forms of bathymetric data --- ANAL.RECORDS,CARDS,35MMFILM
General rate of bathymetry in file --- 5.0 minutes
General collection rate of bathymetry --- 1SECONDSWEEP
Assumed sound velocity --- 1463.0 m/sec
Bathymetric datum code --- No correction applied (sea level)
Bathmetry interpolation scheme --- 5 MINUTE INTERVAL
Magnetics instrumentation --- VARIAN MFD PROTON PRECESSION MOD 4970
Additional forms of magnetics data --- ANAL.RECORDS,CARDS,35MMFILM
General rate of magnetics in file --- 5.0 minutes
General collection rate of magnetics --- 6 seconds
Magnetic sensor tow distance --- (unspecified)
Magnetic sensor depth --- (unspecified)
Two sensor horizontal separation --- (unspecified)
Residual magnetics reference field --- IGRF-65
Method of applying residual field --- LIN.INTERP.AT 30DEG C/C OR 500MI ALONG
TRACK
Seismic instrumentation --- 20TO300CU.IN.AIRGUN,10-300HZ,EDO PSR REC
Formats of seismic data --- ANAL.RECORDS,35MM MICROFILM
Notes ---
*TIME*NAV AND RECORDS ORIGINALLY IN LOCAL TZ. DIGITIZED DATA CONVERTED TO GMT. |
