USGS CMG L-12-80-WF Metadata

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

MCG Data Collection ID ---         L1280WF
Institution Data Collection ID --- L1280WF
NGDC ID ---                        06050059
Funding ---                        U.S. DEPT. INTERIOR
Project, Cruise & Leg ---          (unspecified)
Study region ---                   +47.00000,+36.00000,-131.00000,-123.00000
Chief Scientist(s) ---             Bill Normark
Name of vessel ---                 Lee (surface ship)
Date field data collection started --- 10/29/80     ASTROIA, WASHINGTON
Date field data collection ended ---   11/13/80     REDWOOD CITY, CALIF.
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:      not surveyed
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,LORAN-C,DOPPLAR SONAR
Position determination method ---  PRIM-SATNAV, SEC-INTEGRATED NAV

Bathymetry instrumentation ---            12KHZ WIDE 1 SEC, 3.5KHZ WIDE 1 SEC
Additional forms of bathymetric data ---  RECORDER ROLLS
General rate of bathymetry in file ---    0.9 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 ---        NO INTERPOLATION; DATA INTERVAL 1-5 
MIN. W/INFLECTIONS

Magnetics instrumentation ---            PROTON PRECESSION MAG-GEOMETRICS G-801
Additional forms of magnetics data ---   ANALOG RECORDS
General rate of magnetics in file ---    5.3 minutes
General collection rate of magnetics --- 4 seconds
Magnetic sensor tow distance ---         750 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. PTS. 
(AVG.309M)

Seismic instrumentation --- SINGLE CHANNEL SEISMICS
Formats of seismic data --- (unspecified)

Notes ---
DATA DIGITIZED MANUALLY BY USGS UNDER CONRACT TO DEFENSE MAPPING AGENCY
DIGITIZING INTERVAL VARIABLE, DEPENDING UPON GRADIENTS, BUT SAMPLES SHOUL
BE RECORDED AT LEAST EVERY 5 MNUTES, WITH INFLECTION PTS.
FOR INFORMATION REGARDING DATA, CONACT: GRAIG MCHENDRIE, USGS
(415) 856-7147  FTS 467-7147

Fildani, Andrea, and Normark, W.R., 2004, Late Quaternary evolution of channel
and lobe complexes of Monterey Fan, Marine Geology 206, p. 199-223.
available on line at:
http://walrus.wr.usgs.gov/reports/reprints/Fildani_MG_206.pdf

Normark, W.R., Morton, J.L., and Delaney, J.R., 1982, Geologic setting of 
massive sulfide
deposits and hydrothermal vents along the southern Juan de Fuca Ridge: U.S. 
Geological
Survey Open-File Report 82-0200-A, 22 p. 


Normark, William R., Lupton, John E., Murray, James W., Koski, Randolph A., 
Clague, David A.,
Morton, Janet L., Delaney, John R., and Johnson, H. Paul, 1982, Polymetallic sulfide deposits
and water-column tracers of active hydrothermal vents on the southern Juan de 
Fuca Ridge, in
Special issue, Polymetallic sulfides: Marine Technology Society Journal, v. 16, 
no. 3,
p. 46-53.


Normark, William R., Morton, Janet L., Koski, Randolph A., and Clague, David A., 1983,
Active hydrothermal vents and sulfide deposits on the southern Juan de Fuca 
Ridge: Boulder, CO,
Geology, v. 11, no. 3, p. 158-163.


Normark, W.R., and Clague, David, 1983, Geology and mineral deposits of the Juan 
de Fuca
Ridge off Oregon: U.S. Geological Survey Professional Paper 1375, p. 110.


Koski, Randolph A., Normark, William R., and Morton, Janet Lee, 1985, Massive 
sulfide deposits
on the southern Juan de Fuca Ridge; results of investigations in the USGS study 
area, 1980-83, in
Rona, Peter A., and Koski, Randolph A., eds., Theme issue, Polymetallic sulfide 
deposits:
Marine Mining, v. 5, no. 2, p. 147-164. 


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., and Morton, Janet L., 1987, Detailed structural mapping of an ocean rift,
using 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, William R., and Gutmacher, Christina E., 1989, Major submarine fans of the California
continental rise, Winterer, E.L., and Hussong, Donald M., and Decker, Robert W., 
eds., The eastern
Pacific Ocean and Hawaii: Denver, CO, Geological Society of America.