USGS CMG L-3-83-WF Metadata

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

MCG Data Collection ID ---         L383WF
Institution Data Collection ID --- L383WF
NGDC ID ---                        06050063
Funding ---                        (unspecified)
Project, Cruise & Leg ---          JUAN DE FUCA/JUAN DE FUCA RIDGE
Study region ---                   +49.00000,+37.00000,-131.00000,-122.00000
Chief Scientist(s) ---             Bill Normark
Name of vessel ---                 Lee (surface ship)
Date field data collection started --- 08/20/83     REDWOOD CITY CA
Date field data collection ended ---   09/01/83     PORT ANGELES WA
Parameters surveyed ---
   Bathymetry:                     surveyed, contained in data file
   Magnetics:                      not surveyed
   Gravity:                        (unspecified)
   High-resolution seismics:       surveyed, contained in data file
   Deep penetration seismics:      surveyed, 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 ---     07/07/87
Contributing institution ---       USGS Branch of Pacific Marine Geology
Country ---                        United States

Navigation instrumentation ---     INTEGRATED NAV. COURSE RECORDER
Position determination method ---  (unspecified)

Bathymetry instrumentation ---            12 KHZ
Additional forms of bathymetric data ---  ANALOG PAPER ROLL
General rate of bathymetry in file ---    3.6 minutes
General collection rate of bathymetry --- (unspecified)
Assumed sound velocity ---                (unspecified)
Bathymetric datum code ---                No correction applied (sea level)
Bathmetry interpolation scheme ---        (unspecified)

Gravity instrumentation ---            SHIPBOARD GRAVITY
Additional forms of gravity data ---   ANALOG PAPER ROLL
General rate of gravity in file ---    (unspecified)
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 --- SINGLE CHANNEL AIRGUN/3.5 KH BATHYMETRY
Formats of seismic data --- ANALOG PAPER ROLLS

Lichtman, G.S., Normark, William R., Delaney, J.R., Morton, J.L., Johnson, H.P., 
and Karsten, J.L.,
1983, Photogeology and evolution of the Juan de Fuca Ridge: U.S. Geological 
Survey Open-File
Report 83-0464, 15 p.


Lichtman, Grant S., Normark, William R., and Spiess, F.N., 1984, Photogeologic 
study of a
segment of the East Pacific Rise axis near 21 degrees N latitude: Geological 
Society of America
Bulletin, v. 95, no. 6, p. 743-752.


Normark, William R., 1982, Geologic setting of polymetallic sulfide deposits on 
East Pacific
Rise at 21 degrees N and Juan de Fuca Ridge near 45 degrees N, in Wilson, Stuart 
T., ed.,
Transactions of the Third Circum-Pacific energy and mineral resources 
conference: Transactions
of the Circum-Pacific Energy and Mineral Resources Conference, v. 3, p. 366.


Normark, William R., Morton, Janet L., and Koski, Randolph A., 1984, The Juan de 
Fuca Ridge
metallogenesis program, in Clarke, Samuel H., ed., U.S. Geological Survey 
highlights in
marine research: U.S. Geological Survey Circular 0938, p. 49-56.


Normark, W.R., Morton, Janet L., Holcomb, R.T., Koski, Randolph A., and Ross, 
S.L., 1984,
A continuous linear depresion in the axial valley of the southern Juan de Fuca 
Ridge; tectonic
or volcanic origin?, in The Geological Society of America, 97th meeting: 
Geological Society
of America Abstracts with Programs, v. 16, no. 6, p. 611.


Normark, William R., Morton, Janet L., Holcomb, Robin T., and Franklin, James 
M., 1983, Southern
Juan de Fuca Ridge revisited; a new evalution of the distribution of 
hydrothermal activity,
sulfide mineral deposits, and volcanic features: American Geophysical Union Eos, 
Transactions,
v. 64, no. 45, p. 857.


Kappel, Ellen S., and Normark, William R., Morphometric variability within the 
axial
zone of the southern Juan de Fuca Ridge; interpretation from Sea MARC II, Sea 
MARC I,
and deep-sea photography, in Special section on The southern Juan de Fuca Ridge; 
hydrothermal
fluids, sulfides, and geophysical studies [modified]: Journal of Geophysical 
Research, B,
Solid Earth and Planets, v. 92, no. 11, p. 11,291-11,302.


Morton, Janet L., Normark, William R., Mann, Dennis M., and Tompkins, Donald H., 
1987, Geology,
evolution, and mineral potential of the Juan de Fuca Ridge, in Scholl, David W.,
Grantz, Arthur, and Vedder, John G., eds., Geology and resource potential of the 
continental
margin of western North America and adjacent ocean basins, Beaufort Sea to Baja 
California:
Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series, 
v. 6, p. 537-547.


Normark, William R., and Morton, Janet L., 1987, Detailed structural mapping of 
an ocean rift,
>sing acoustic-transponder positioning; problems of net maintenance (1981-86) 
and new experiments
possible with long-life transponders, in Kumar, Muneendra, and Maul, George A., 
Proceedings;
International symposium on Marine positioning: Dordrecht, Netherlands, D. Reidel 
Publ. Co.


Normark, W.R., Morton, J.L., and Saxena, N.K., 1990, Scaling considerations for 
acoustic
measurement of ridge extension: American Geophysical Union Eos, Transactions, v. 
71,
no. 43, p. 1602.


Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1102 


Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1103-A 


Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1103-B 


Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1103-C 


Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1103-D 


Chezar, Henry, and Newman, Ivy, 2004, DVD-Video Disc set of seafloor transects
during USGS research cruises in the Pacific Ocean, U.S. Geological Survey
Open-File Report OFR 2004-1103-E