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USGS CMG L-5-80-AA Metadata

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ID L-5-80-AA
Abstract Chief Scientist: Dave Scholl. Geological and Geophysical data (airgun, sonobuoy, 3dot5khz, 12khz, gravity, magnetics, bathgravnav, chaindredge, integratednavigation, deadreckoning, dopplersonar, RhoRho, transitsatellite, 24channel, airgunmonitor) of field activity L-5-80-AA in Aleutian Arc, Alaska from 06/23/1980 to 07/05/1980
Chief Scientist Dave Scholl
Activity Type Geological and Geophysical
Platform Samuel Phillips Lee
Area of Operation Aleutian Arc, Alaska, Aleutian Arc
Bounding Coordinates
57.78194
-175.00967    -152.03867
50.48417
Ports leave Kodiak, AK
arrive Dutch Harbor, AK
Dates 06/23/1980 (JD 175) to 07/05/1980 (JD 187)
Analog Materials list
Information Specialist
Jill McCarthy
Crew
Aaron Dunwald Chief Engineer
Andy Stevenson Geologist
Chris Gibson Watchstander
Chris Gutmacher Watchstander
Dave Scholl Chief Scientist
Dennis Mann Watchstander
Frank Johnson Chief Mate
Guy Cochrane Navigator
Harry Hill Electronics Technician
Jackie Eaby Navigator
Jill McCarthy Dafe Curator
Joe Edwards Mechanical Technician
Jon Greenberg Watchstander
Margaret Goud Navigator
Merid Dates Watchstander
Paul Wenberg Mechanical Technician
Richard Heagney Ship Captain
Roy Fields Electronics Technician
Tracy Vallier Geophysicist
Equipment Used
airgun
sonobuoy
3dot5khz
12khz
gravity
magnetics
bathgravnav
chaindredge
integratednavigation
deadreckoning
dopplersonar
RhoRho
transitsatellite
24channel
airgunmonitor
NGDC Overview
! Converted to time format with year at start.
!
DATA COLLECTION OVERVIEW  (use NGDC GEODAS CD to retrieve data)

MCG Data Collection ID ---         L580AA
Institution Data Collection ID --- L580AA
NGDC ID ---                        06050035
Funding ---                        (unspecified)
Project, Cruise & Leg ---          (unspecified)
Study region ---                   +58.00000,+50.00000,-175.00000,-152.00000
Chief Scientist(s) ---             DAVE SCHOLL / TRACY VALLIER
Name of vessel ---                 Lee (surface ship)
Date field data collection started --- 06/23/80     LEAVE KODIAK
Date field data collection ended ---   07/05/80     ARRIVE DUTCH HARBOR
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 ---     06/12/87
Contributing institution ---       USGS Branch of Pacific Marine Geology
Country ---                        United States

Navigation instrumentation ---     SATNAV,INTEGRATED NAVIGATION
Position determination method ---  PRIM-SATNAV SEC-INTEGRATED NAV

Bathymetry instrumentation ---            12KHZ NARROW 1 SEC, 3.5KHZ WIDE 1 SEC
Additional forms of bathymetric data ---  RECORDER ROLLS
General rate of bathymetry in file ---    2.0 minutes
General collection rate of bathymetry --- 20/SECONDS
Assumed sound velocity ---                1463.0 m/sec
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 ---    LINEAR INTERP.BETWEEN NAV POINTS

Gravity instrumentation ---            (unspecified)
Additional forms of gravity data ---   (unspecified)
General rate of gravity in file ---    1.0 minutes
General collection rate of gravity --- 15 seconds
Theoretical gravity formula ---        International 1930
Reference system ---                   System IGSN 71
Corrections applied ---                DRIFT CORRECTIONS
Starting land tie ---                  968857.3   KODIAK, AK.
Ending land tie   ---                  (unspecified value)  (unspecified

Seismic instrumentation --- SINGLE CHANNEL, 24 CHANNEL
Formats of seismic data --- ANALOG RECORDS
Publications
McCarthy, Jill, Stevenson, Andrew J., Scholl, David W., and Vallier, Tracy L., 
1984, Speculations on
the petroleum geology of the accretionary body; an example from the central 
Aleutians: Marine and
Petroleum Geology, v. 1, no. 2, p. 151-167. 

McCarthy, Jill, and Scholl, David W., 1985, Mechanisms of subduction accretion along the central Aleutian Trench: Geological Society of America Bulletin, v. 96, no. 6, p. 691-701.

Harbert, W.P., Scholl, David W., Mann, D., Vallier, Tracy L., and Stevenson, Andrew J., 1982, Geologic and tectonic history of Atka Basin, Aleutian Ridge, in American Geophysical Union 1982 fall meeting: American Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1115.

McCarthy, J., Scholl, David W., Mann, D., Vallier, Tracy L., and Stevenson, Andrew J., 1982, Mechanisms of accretion along the Aleutian Trench, in American Geophysical Union 1982 fall meeting: American Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1115.

Harbert, William, Scholl, David W., Vallier, Tracy L., Stevenson, Andrew J., and Mann, D.M., 1986, Major evolutionary phases of a forearc basin of the Aleutian Terrace; relation to North Pacific tectonic events and the formation of the Aleutian subduction complex: Boulder, CO, Geology, v. 14, no. 9, p. 757-761.

McCarthy, Jill, Scholl, David W., and Sleep, Norman H., 1983, Accretionary structures along the central Aleutian Trench: American Geophysical Union Eos, Transactions, v. 64, no. 45, p. 870.

McCarthy, Jill, 1987, Seismic reflection imaging of plate boundaries; examples from the central Aleutians, the North Atlantic, and the Basin and Range Province of the Western U.S.: Stanford, CA, Stanford University Ph. D. Dissertation.

Mann, Dennis M., Scholl, David W., and Sliter, Ray W., 1989, Multichannel seismic-reflection data collected in 1980 across the Aleutian Arc and Trench, Alaska: U.S. Geological Survey Open-File Report 89-0202, 4 p., 1 sheet.
Got Help? For L-5-80-AA, we would appreciate any information on -- contract, days at sea, dive count, funding, information to be derived, kms of navigation, national plan, notes, organization, owner, project, project number, purpose, scanned materials, seismic description, station count, station description, submersible, summary, tabulated info.
Type Webpage KMZ Arc         Metadata        
Bathymetry data bath    
Gravity data 052.grav
grav
   
Magnetics data mag    
Metadata data     txt  data  FAQ  xml
Navigation data nav    
Samples data samp    
Seismic data seis    
Times   052.times    

L-5-80-AA location map of where navigation 

equipment operated
L-5-80-AA location map of where navigation 

equipment operated

 
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