AKA: DSDP68GC
Other ID: none
Status: Completed
Organization(s): USGS, Pacific Coastal and Marine Science Center
Funding Program(s):
Principal Investigator(s): J.R. Cann
Affiliate Investigator(s): S.M. White
Information Specialist(s):
Data Type(s): Electro-Magnetic: Magnetics, Location-Elevation: Navigation, Sampling: Geology, Seismics: Air Gun / Water Gun, Sonar: Single Beam, Seismics: Sub Bottom Profiler
Scientific Purpose/Goals:
Vehicle(s):
Start Port/Location: Willemstad, Curacao
End Port/Location: Guayaquil, Ecuador
Start Date: 1979-05-05
End Date: 1979-09-18
Equipment Used: transitsatellite, core, airgun, 12khz, 3.5khz, bathymetry
Information to be Derived:
Summary of Activity and Data Gathered: DATA COLLECTION OVERVIEW (use NGDC GEODAS CD to retrieve data) MCG Data Collection ID --- G6879CP Institution Data Collection ID --- DSDP68GC NGDC ID --- 15050067 Funding --- (unspecified) Project, Cruise & Leg --- DEEPSEA DRILL.LG 68 Study region --- +13.00000, -3.00000, -96.00000, -71.00000 Chief Scientist(s) --- CANN J.R.,WHITE S.M. Name of vessel --- D/V GLOMAR CHALLENGER (surface ship) Date field data collection started --- 07/05/79 PUNTARENAS,COSTA RICA Date field data collection ended --- 09/18/79 LA LIBERTAD,EQUADOR Parameters surveyed --- Bathymetry: surveyed, contained in data file Magnetics: surveyed, contained in data file Gravity: not surveyed High-resolution seismics: surveyed, but not contained in data file 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 --- 10/07/81 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 --- 3.5-12KHZ/EDO 550A RECORDERS/WIDE 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 --- 1500.0 m/sec Bathymetric datum code --- No correction applied (sea level) Bathmetry interpolation scheme --- 5 MINUTE INTERVAL Magnetics instrumentation --- GEOMETRICS MAGNETOMETER MOD G-801/3 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-75 Method of applying residual field --- LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE Seismic instrumentation --- 20TO300CU.IN.AIRGUN,10-300HZ,EDO 550 REC Formats of seismic data --- ANAL.RECORDS,35MM MICROFILM
Staff:
Affiliate Staff:
Notes: ID created in Compass 8/22/2018 for warehouse holdings.
Core Data from the Deep Sea Drilling Project, Leg 68:
http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/68/leg68.htm
Location:
Central America, Pacific and Atlantic Oceans
Boundaries | |||
---|---|---|---|
North: 22.52647521 | South: -3.07609596 | West: -99.0504998 | East: -64.8708123 |
Platform(s):
Glomar Challenger |
Survey Equipment | Survey Info | Data Type(s) | Data Collected |
---|---|---|---|
transitsatellite | --- | Navigation | |
core | --- | Biology Geology | |
airgun | --- | Air Gun / Water Gun | |
12khz | --- | Single Beam | |
3.5khz | --- | Sub Bottom Profiler | |
bathymetry | --- | Single Beam |