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! Converted to time format with year at start.
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!
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DATA COLLECTION OVERVIEW (use NGDC GEODAS CD to retrieve data)
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MCG Data Collection ID --- G6478MX
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Institution Data Collection ID --- DSDP64GC
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NGDC ID --- 15050063
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Funding --- (unspecified)
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Project, Cruise & Leg --- DEEPSEA DRILL.LG 64
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Study region --- +28.00000,+22.00000,-112.00000,-106.00000
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Chief Scientist(s) --- CURRAY J.R.,MOORE D.G.
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Name of vessel --- D/V GLOMAR CHALLENGER (surface ship)
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Date field data collection started --- 12/01/78 MAZATLAN,MEXICO
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Date field data collection ended --- 01/14/79 SAN PEDRO,CALIFORNIA
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Parameters surveyed ---
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Bathymetry: surveyed, contained in data file
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Magnetics: surveyed, contained in data file
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Gravity: not surveyed
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High-resolution seismics: surveyed, but not contained in data file
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Deep penetration seismics: surveyed, but not contained in data file
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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)
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Date of data input to NGDC --- 07/03/80
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Contributing institution --- SCRIPPS INSTITUTION OF OCEANOGRAPHY
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Country --- USA
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Navigation instrumentation --- SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
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Position determination method --- LINEAR INTERP.BETWEEN ADJACENT FIXES
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Bathymetry instrumentation --- 3.5-12KHZ/EDO 550A RECORDERS/WIDE BEAM
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Additional forms of bathymetric data --- ANAL.RECORDS,CARDS,35MMFILM
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General rate of bathymetry in file --- 5.0 minutes
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General collection rate of bathymetry --- 1SECONDSWEEP
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Assumed sound velocity --- 1500.0 m/sec
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Bathymetric datum code --- No correction applied (sea level)
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Bathmetry interpolation scheme --- 5 MINUTE INTERVAL
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Magnetics instrumentation --- GEOMETRICS MAGNETOMETER MOD G-801/3
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Additional forms of magnetics data --- ANAL.RECORDS,CARDS,35MMFILM
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General rate of magnetics in file --- 5.0 minutes
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General collection rate of magnetics --- 6 seconds
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Magnetic sensor tow distance --- (unspecified)
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Magnetic sensor depth --- (unspecified)
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Two sensor horizontal separation --- (unspecified)
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Residual magnetics reference field --- IGRF-75
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Method of applying residual field --- LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
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Seismic instrumentation --- 20TO300CU.IN.AIRGUN,10-300HZ,EDO 550 REC
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Formats of seismic data --- ANAL.RECORDS,35MM MICROFILM
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