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USGS CMG L-9-81-AA Metadata

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ID L-9-81-AA
Abstract Chief Scientists: Dave Scholl, Tracy Vallier. Geological and Geophysical data (3dot5khz, 12khz, airgun, airgunmonitor, Burgairgun, 24channel, sonobuoy, gravity, gravitycore, chaindredge, dopplersonar, integratednavigation, RhoRho, transitsatellite) of field activity L-9-81-AA in Aleutian Arc, Alaska from 07/19/1981 to 08/13/1981
Chief Scientist Dave Scholl
Tracy Vallier
Activity Type Geological and Geophysical
Platform Samuel Phillips Lee
Area of Operation Aleutian Arc, Alaska, Aleutian Arc
Bounding Coordinates
54.08144
173.58301    -165.99205
50.11441
Ports leave Dutch Harbor, AK
arrive Dutch Harbor, AK
Dates 07/19/1981 (JD 200) to 08/13/1981 (JD 225)
Analog Materials list
Crew
Aaron Dunwald Chief Engineer
Andy Stevenson Geologist
Bob Rothman Chief Mate
Dave Scholl Chief Scientist
Dennis Mann Geophysicist
Eric Dash Watchstander
Frank Johnson Ship Captain
George Asuncion Electronics Technician
Guy Cochrane Navigator
Jill McCarthy Dafe Curator
Joe Edwards Mechanical Technician
Jon Childs Geophysicist
Kaye Kinoshita Navigator
Margaret Keller Geologist
Meg Kingston Navigator
Paul Wenberg Mechanical Technician
Rick Murnane Geochemist
Rick Murnane Geologist
Roy Fields Electronics Technician
Tracy Vallier Chief Scientist
Wyn Hill Geologist
Wyn Hill Geophysicist
Equipment Used
3dot5khz
12khz
airgun
airgunmonitor
Burgairgun
24channel
sonobuoy
gravity
gravitycore
chaindredge
dopplersonar
integratednavigation
RhoRho
transitsatellite
NGDC Overview
! Converted to time format with year at start.
!
DATA COLLECTION OVERVIEW  (use NGDC GEODAS CD to retrieve data)

MCG Data Collection ID ---         L981AA
Institution Data Collection ID --- L981AA
NGDC ID ---                        06050096
Funding ---                        (unspecified)
Project, Cruise & Leg ---          Tracy Vallier
Study region ---                   +55.00000,+50.00000,+173.00000,-165.00000
Chief Scientist(s) ---             Dave Scholl
Name of vessel ---                 Lee (surface ship)
Date field data collection started --- 07/19/81     LV DUTCH HARBOR, AK
Date field data collection ended ---   08/13/81     ARRIVE DUTCH HARBOR, 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 ---     06/17/87
Contributing institution ---       USGS Branch of Pacific Marine Geology
Country ---                        United States

Navigation instrumentation ---     (unspecified)
Position determination method ---  (unspecified)

Bathymetry instrumentation ---            (unspecified)
Additional forms of bathymetric data ---  (unspecified)
General rate of bathymetry in file ---    1.2 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 ---            (unspecified)
Additional forms of magnetics data ---   (unspecified)
General rate of magnetics in file ---    1.1 minutes
General collection rate of magnetics --- (unspecified)
Magnetic sensor tow distance ---         (unspecified)
Magnetic sensor depth ---                (unspecified)
Two sensor horizontal separation ---     (unspecified)
Residual magnetics reference field ---   (unspecified)
Method of applying residual field ---    (unspecified)

Gravity instrumentation ---            (unspecified)
Additional forms of gravity data ---   (unspecified)
General rate of gravity in file ---    1.0 minutes
General collection rate of gravity --- (unspecified)
Theoretical gravity formula ---        (unspecified)
Reference system ---                   (unspecified)
Corrections applied ---                (unspecified)
Starting land tie ---                  (unspecified)
Ending land tie   ---                  (unspecified)

Seismic instrumentation --- (unspecified)
Formats of seismic data --- (unspecified)
Publications
Childs, Jonathan R., Scholl, David W., and Vallier, Tracy L., 1981, Onshore and 
offshore studies,
Amlia Island area, Aleutian Ridge, in Albert, N.R., and Hudson, Travis, eds., 
The United States
Geological Survey in Alaska; accomplishments during 1979: U.S. Geological Survey 
Circular 0823-B,
p. 134-137.

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.

Geist, Eric L., Childs, Jonathan R., and Scholl, David W., 1987, Evolution and petroleum geology of Amlia and Amukta intra-arc summit basins, Aleutian Ridge: Marine and Petroleum Geology, v. 4, no. 4, p. 334-352.

Geist, Eric L., Childs, Jonathan R., and Scholl, David W., 1985, Extensional structures on the Aleutian Ridge, Alaska: American Geophysical Union Eos, Transactions, v. 66, no. 46, p. 1072.

Geist, Eric L., Childs, Jonathan R., and Scholl, David W., 1988, The origin of summit basins of the Aleutian Ridge; implications for block rotation of an arc massif: Tectonics, v. 7, no. 2, p. 327-341.

Scholl, David W., Mann, Dennis M., Vallier, Tracy L., and Sliter, Ray W., 1988, Multichannel seismic-reflection data collected in 1981 across the Aleutian Arc and Trench, Alaska: U.S. Geological Survey Open-File Report 88-0592, 4 p. 2 sheets.
Got Help? For L-9-81-AA, we would appreciate any information on -- contract, days at sea, dive count, funding, information specialist, 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 grav    
Magnetics data mag    
Metadata data     txt  data  FAQ  xml
Navigation data nav    
Samples data samp    
Seismic data seis    
Times   070.times    

L-9-81-AA location map of where navigation 

equipment operated
L-9-81-AA location map of where navigation 

equipment operated

 
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