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USGS CMG L-12-81-NP Metadata

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ID L-12-81-NP
Also Known As L-12-81-NP
L-C-81-NP
Abstract Chief Scientists: Dennis Mann, Don Tompkins. Data (12khz, 3dot5khz, gravity, landtie, courserecorder, dopplersonar, integratednavigation, RhoRho, transitsatellite, 24channel, airgun, sonobuoy) of field activity L-12-81-NP in North Pacific Ocean from 09/19/1981 to 10/05/1981
Chief Scientist Dennis Mann
Don Tompkins
Platform Samuel Phillips Lee
Area of Operation North Pacific Ocean
Bounding Coordinates
45.35836
-130.79816    -122.11925
37.50413
Ports leave Redwood City, CA
arrive Treasure Island, CA
leave Crescent City, CA
arrive Crescent City, CA
Dates 09/19/1981 (JD 262) to 10/05/1981 (JD 278)
Analog Materials list
Crew
Dennis Mann Chief Scientist
Don Tompkins Chief Scientist
Aaron Dunwald Chief Engineer
Allen Adams Watchstander
Barb Blubaugh Dafe Curator
Barbara Seekins Watchstander
Chris Gutmacher Geologist
Dan Hurlbert Mechanical Technician
Dave Hogg Electronics Technician
Dave Melendrez Chief Mate
Greg Smith Watchstander
Jan Morton Geologist
Kaye Kinoshita Navigator
Kevin O'Toole Mechanical Technician
Lisa Gossett Navigator
Mark Breitbart Watchstander
Mike Casey Watchstander
Roy Fields Electronics Technician
Terry Ruff Ship Captain
Equipment Used
12khz
3dot5khz
gravity
landtie
courserecorder
dopplersonar
integratednavigation
RhoRho
transitsatellite
24channel
airgun
sonobuoy
NGDC Overview
! Converted to time format with year at start.
!
DATA COLLECTION OVERVIEW  (use NGDC GEODAS CD to retrieve data)

MCG Data Collection ID ---         L1281NP
Institution Data Collection ID --- L1281NP
NGDC ID ---                        06050060
Funding ---                        (unspecified)
Project, Cruise & Leg ---          (unspecified)
Study region ---                   +46.00000,+37.00000,-131.00000,-122.00000
Chief Scientist(s) ---             Don Tompkins
Name of vessel ---                 Lee (surface ship)
Date field data collection started --- 09/19/81     LV REDWOOD CITY
Date field data collection ended ---   10/05/81     ARRIVE TREASURE ISLAND
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 ---     05/04/88
Contributing institution ---       USGS Branch of Pacific Marine Geology
Country ---                        United States

Navigation instrumentation ---     SATNAV,INTAEGRATED NAV,LORAN C
Position determination method ---  SATNAV,LORAN C

Bathymetry instrumentation ---            12KHZ NARROW 1 SEC,3.5KHZ WIDE 1 SEC
Additional forms of bathymetric data ---  ANALOG
General rate of bathymetry in file ---    1.9 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 ---        (unspecified)

Magnetics instrumentation ---            PROTON PRECESSION MAG-GEOMETRICS G-801
Additional forms of magnetics data ---   ANALOG
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 INTERPOLATION BETWEEN NAV PTS

Gravity instrumentation ---            L&R  S-53
Additional forms of gravity data ---   ANALOG
General rate of gravity in file ---    2.0 minutes
General collection rate of gravity --- (unspecified)
Theoretical gravity formula ---        (unspecified)
Reference system ---                   (unspecified)
Corrections applied ---                (unspecified)
Starting land tie ---                  979951.5   PIER 5 REDWOOD CITY
Ending land tie   ---                  979977.4   PIER 21 TREASURE IS

Seismic instrumentation --- UNIBOOM, SINGLE CHANNEL,24 CHANNEL
Formats of seismic data --- ANALOG ROLLS, DIGITAL
Publications
Morton, Janet L., Sleep, Norman H., Normark, William R., and Tompkins, Donald 
H., 1987,
Structure of the southern Juan de Fuca Ridge from seismic reflection records, 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. 11,315-11,326.

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.

Morton, Janet L., Zierenberg, Robert A., and Reiss, Carol A., eds., 1994, Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, 359 p.

Morton, Janet L., Zierenberg, Robert A., and Reiss, Carol A., 1994, Geologic, hydrothermal, and biologic studies at Escanaba Trough; an introduction, in Morton, Janet L., Zierenberg, Robert A., and Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 1-18.

Morton, Janet L., and Fox, Christopher G., 1994, Structural setting and interaction of volcanism and sedimentation at Escanaba Trough; geophysical results, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 21-43.

Davis, Earl E., and Becker, Keir, 1994, Thermal and tectonic structure of Escanaba Trough; new heat-flow measurements and seismic-reflection profiles, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 45-64.

Denlinger, Roger P., and Holmes, Mark L., 1994, A thermal and mechanical model for sediment hills and associated sulfide deposits along Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 65-75.

Karlin, Robert E., and Morton, Janet L., 1994, Crustal magnetization and basement structure of Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 77-90.

Normark, William R., Gutmacher, Christina E., Zierenberg, Robert A., Wong, Florence L., and Rosenbauer, Robert J., 1994, Sediment fill of Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 91-129.

Karlin, Robert E., and Zierenberg, Robert A., 1994, Sedimentation and neotectonism in the SESCA area, Escanaba Trough, southern Gorda Ridge, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 131-141.

Ross, Stephanie L., and Zierenberg, Robert A., 1994, Volcanic geomorphology of the SESCA and NESCA sites, Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 143-151.

Davis, Alice S., Clague, David A., and Friesen, Walter B., 1994, Petrology and mineral chemistry of basalt from Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 153-170.

Zierenberg, Robert A., Morton, Janet L., Koski, Randolph A., and Ross, Stephanie L., 1994, Geologic setting of massive sulfide mineralization in Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 171-197.

Campbell, Andrew C., German, Chris R., Palmer, Martin R., Gamo, Toshitaka, and Edmond, John M., 1994, Chemistry of hydrothermal fluids from Escanaba Trough, Gorda Ridge, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 201-221.

Bohlke, J.K., and Shanks, W.C., III, 1994, Stable isotope study of hydrothermal vents at Escanaba Trough; observed and calculated effects of sediment-seawater interaction, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 223-239.

Magenheim, Andrew J., and Gieskes, Joris M., 1994, Evidence for hydrothermal fluid flow through surficial sediments, Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 241-255.

Zierenberg, Robert A., and Shanks, Wayne C., III, 1994, Sediment alteration associated with massive sulfide formation in Escanaba Trough, Gorda Ridge; the importance of seawater mixing and magnesium metasomatism, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 257-277.

Kvenvolden, Keith A., Rapp, John B., and Hostettler, Frances D., 1994, Hydrocarbons in sediment from Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 279-292.

Koski, Randolph A., Benninger, Laura M., Zierenberg, Robert A., and Jonasson, Ian R., 1994, Composition and growth history of hydrothermal deposits in Escanaba Trough, southern Gorda Ridge, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 293-324.

Grassle, J. Frederick, and Petrecca, Rosemarie F., 1994, Soft-sediment hydrothermal vent communities of Escanaba Trough, in Morton, Janet L., Zierenberg, Robert A., Reiss, Carol A., eds., Geologic, hydrothermal, and biologic studies at Escanaba Trough, Gorda Ridge, offshore Northern California: U.S. Geological Survey Bulletin 2022, p. 327-335.
Got Help? For L-12-81-NP, we would appreciate any information on -- activity type, 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      
Gravity data 053.grav
grav
   
Imagery data      
Magnetics data mag    
Metadata data     txt  data  FAQ  xml
Navigation data nav    
Seismic data seis    
Times   053.times    

L-12-81-NP location map of where navigation 

equipment operated

 
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Page Last Modified: Fri Nov 1 13:59:19 PDT 2013  (chd)