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Metadata
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ID
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G-69-79-CP
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Also Known As
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DSDP69GC
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Abstract
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Chief Scientists: J.R. Cann, M.G. Langseth. Geophysical
data (transitsatellite, 3dot5khz, 12khz, magnetics, airgun,
bathymetry) of field activity G-69-79-CP in Central Pacific
from 09/19/1979 to 10/29/1979
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Project/Theme
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Deep Sea Drilling Project
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Chief Scientist
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J.R. Cann
M.G. Langseth
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Activity Type
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Geophysical
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Platform
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Glomar Challenger
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Area of Operation
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Central Pacific
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Location map
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Bounding Coordinates
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8.00000
-84.00000 -79.00000
-1.00000
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Ports
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leave Puntarenas, Costa Rica
arrive Balboa, Panama
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Dates
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09/19/1979 (JD 262) to 10/29/1979 (JD 302)
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Analog Materials
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list
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Index map
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Crew
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J. R. Cann
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Chief Scientist
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M. G. Langseth
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Chief Scientist
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Equipment Used
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transitsatellite
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3dot5khz
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12khz
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magnetics
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airgun
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bathymetry
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Notes
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Scripps Institution of Oceanography
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NGDC Overview
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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 --- G6979CP
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Institution Data Collection ID --- DSDP69GC
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NGDC ID --- 15050068
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Funding --- (unspecified)
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Project, Cruise & Leg --- DEEPSEA DRILL.LG69
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Study region --- +8.00000, -2.00000, -84.00000, -79.00000
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Chief Scientist(s) --- LANGSETH M.G.,CANN J.R.
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Name of vessel --- D/V GLOMAR CHALLENGER (surface ship)
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Date field data collection started --- 09/19/79 LA LIBERTAD,EQUADOR
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Date field data collection ended --- 10/29/79 BALBOA,CANAL ZONE
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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 --- 10/07/81
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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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Publications
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Hein, James R., Sancetta, Constance A., and Morgenson, Lisa A., 1983, Petrology and geochemistry
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of silicified upper Miocene chalk, Costa Rica Rift, Deep Sea Drilling Project Leg 69, in Stout,
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Larry N., and Bailey, Marian G., eds., Initial reports of the Deep Sea Drilling Project covering
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Leg 68 (Site 501), Leg 69, and Leg 70 (Site 504) of the cruises of the drilling vessel Glomar
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Challenger, Puntarenas, Costa Rica to Balboa, Panama, July-December 1979: Initial Reports of the
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Deep Sea Drilling Project, v. 69, p. 395-422.
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Hein, James R., and Yeh, Hsueh-Wen, 1983, Oxygen-isotope composition of secondary silica
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phases, Costa Rica Rift, Deep Sea Drilling Project Leg 69, in Stout,
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Larry N., and Bailey, Marian G., eds., Initial reports of the Deep Sea Drilling Project covering
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Leg 68 (Site 501), Leg 69, and Leg 70 (Site 504) of the cruises of the drilling vessel Glomar
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Challenger, Puntarenas, Costa Rica to Balboa, Panama, July-December 1979: Initial Reports of the
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Deep Sea Drilling Project, v. 69, p. 423-429.
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Core Data from the Deep Sea Drilling Project, Leg 69:
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http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/69/leg69.htm
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Got Help?
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For G-69-79-CP, we would appreciate any information on -- contract, days at sea, dive count, funding, information specialist, information to be derived, kms of navigation, national plan, organization, owner, project number, purpose, scanned materials, seismic description, station count, station description, submersible, summary, tabulated info.
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