USGS CMG L-9-82-BS Metadata

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DATA COLLECTION OVERVIEW  (use NGDC GEODAS CD to retrieve data)

MCG Data Collection ID ---         L982BS
Institution Data Collection ID --- L982BS
NGDC ID ---                        06050077
Funding ---                        (unspecified)
Project, Cruise & Leg ---          (unspecified)
Study region ---                   +65.00000,+53.00000,+178.00000,-160.00000
Chief Scientist(s) ---             MIKE MARLOW, ALAN COOPER
Name of vessel ---                 Lee (surface ship)
Date field data collection started --- 07/11/82     LV DUTCH HARBOR, AK
Date field data collection ended ---   08/03/82     AR NOME, AK
Parameters surveyed ---
   Bathymetry:                     surveyed, contained in data file
   Magnetics:                      surveyed, contained in data file
   Gravity:                        surveyed, contained in data file
   High-resolution seismics:       (unspecified)
   Deep penetration seismics:      (unspecified)
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 ---     06/24/87
Contributing institution ---       USGS Branch of Pacific Marine Geology
Country ---                        United States

Navigation instrumentation ---     SATELLITE, LORANC, DOPPLER
Position determination method ---  SAT, INTEGRATED NAV.

Bathymetry instrumentation ---            (unspecified)
Additional forms of bathymetric data ---  (unspecified)
General rate of bathymetry in file ---    1.7 minutes
General collection rate of bathymetry --- (unspecified)
Assumed sound velocity ---                (unspecified)
Bathymetric datum code ---                No correction applied (sea level)
Bathmetry interpolation scheme ---        (unspecified)

Magnetics instrumentation ---            PROTON PRECESSION MAG-GEOMETRICS G-801
Additional forms of magnetics data ---   ANALOG RECORDS
General rate of magnetics in file ---    1.0 minutes
General collection rate of magnetics --- 4 seconds
Magnetic sensor tow distance ---         213 meters
Magnetic sensor depth ---                (unspecified)
Two sensor horizontal separation ---     (unspecified)
Residual magnetics reference field ---   IGRF-75
Method of applying residual field ---    MEASURED MAGNETICS (IGRF75 + ANNUAL 
CHANGES)

Gravity instrumentation ---            LA COSTE ROMBERG SEA GRAVIMETER
Additional forms of gravity data ---   ANALOG RECORDS
General rate of gravity in file ---    1.0 minutes
General collection rate of gravity --- 20 seconds
Theoretical gravity formula ---        International 1930
Reference system ---                   System IGSN 71
Corrections applied ---                DRIFT CORRECTIONS
Starting land tie ---                  (unspecified)
Ending land tie   ---                  (unspecified)

Seismic instrumentation --- (unspecified)
Formats of seismic data --- (unspecified)

Cooper, A.K., Marlow, M.S., and O'Brien, Thomas, 1982, Sonobuoy seismic data 
collected during
1982 in the Bering Sea: U.S. Geological Survey Open-File Report 82-0625, 8 
p.


Cooper, A.K., and Marlow, M.S., 1983, Preliminary results of geophysical and 
geological
studies of the Bering Sea shelf during 1982: U.S. Geological Survey Open-File 
Report 83-0322, 8 p.


Marlow, M.S., Vallier, Tracy L., Cooper, A.K., Barron, J.A., and Wingate, F.H., 
1983, A description
of dredge samples collected in 1982 from the Bering Sea continental margin west 
of Navarin Basin:
U.S. Geological Survey Open-File Report 83-0325, 5 p.


Cooper, Alan K., Marlow, Michael S., and Childs, Jon R., 1985, Digital shipboard 
gravity and
magnetic data collected in 1982 on the Bering Sea shelf: U.S. Geological Survey 
Open-File
Report 85-0236, 5 p.


Davis, Alice S., Gunn, Susan H., Gray, Leda-Beth (Pickthorn, LedaBeth Gray),
Marlow, Michael S., and Wong, Florence L., 1993, Petrology and isotopic 
composition
of Quaternary basanites dredged from the Bering Sea continental margin near Navarin
Basin: Journal Canadien des Sciences de la Terre, v. 30, no. 5, p. 975-984.