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What does this data set describe?

Title:
Geological and Geophysical data of field activity L-12-80-WF in Juan de Fuca from 10/29/1980 to 11/13/1980
Abstract:
Chief Scientist: Bill Normark. Geological and Geophysical data (12khz, 3dot5khz, magnetics, transitsatellite, LoranC, dopplersonar, airgun, gravitycore, chaindredge, integratednavigation) of field activity L-12-80-WF in Juan de Fuca from 10/29/1980 to 11/13/1980, <http://walrus.wr.usgs.gov/infobank/l/l1280wf/html/l-12-80-wf.meta.html>.
Supplemental_Information:

Equipment Used -
12khz 12 khz bathymetry
3dot5khz 3.5 khz bathymetry
magnetics Proton Precession magnetometer
transitsatellite satellite navigation
LoranC
dopplersonar
airgun single-channel airgun
gravitycore
chaindredge
integratednavigation
Publications -
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:
<A HREF ="<http://walrus.wr.usgs.gov/reports/reprints/Fildani_MG_206.pdf>" target
="new"><http://walrus.wr.usgs.gov/reports/reprints/Fildani_MG_206.pdf>
<HR>
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. <BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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. <BR>
<HR>
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.<BR>
<HR>
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.<BR>
<HR>
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.<BR>

Similar information is available for thousands of other USGS/CMG-related Activities.
If known, available are Activity-specific navigation, gravity, magnetics, bathymetry, seismic, and sampling data; track maps; and equipment information; as well as summary overviews, crew lists, and information about analog materials.
If available, access to physical samples is described in the "WR CMG Sample Distribution Policy" at:
<http://walrus.wr.usgs.gov/infobank/programs/html/main/sample-dist-policy.html>
Primary access to the USGS/CMG Information Bank's digital data, analog data, and metadata is provided through... <http://walrus.wr.usgs.gov/infobank/>
This page accomodates a variety of search approaches (e.g., by platform, by region, by scientist, by equipment type, etc.).
  1. How should this data set be cited?

    U.S. Geological Survey (USGS) <http://www.usgs.gov/>, Coastal and Marine Geology Program (CMGP) <http://marine.usgs.gov/>, 20131029, Geological and Geophysical data of field activity L-12-80-WF in Juan de Fuca from 10/29/1980 to 11/13/1980: U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -130.77483
    East_Bounding_Coordinate: -123.70733
    North_Bounding_Coordinate: 46.17410
    South_Bounding_Coordinate: 36.60505

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Beginning_Date: 29-Oct-1980
    Ending_Date: 13-Nov-1980
    Currentness_Reference: ground condition

  5. What is the general form of this data set?

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      Indirect_Spatial_Reference: Juan de Fuca
      This is a Point data set. It contains the following vector data types (SDTS terminology):
      • Point

    2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.00001. Longitudes are given to the nearest 0.00001. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.4.
      The flattening of the ellipsoid used is 1/294.98.

      Vertical_Coordinate_System_Definition:
      Depth_System_Definition:
      Depth_Datum_Name: Local surface
      Depth_Resolution: 0.1
      Depth_Distance_Units: meters
      Depth_Encoding_Method: Attribute values


  7. How does the data set describe geographic features?

    Entity_and_Attribute_Overview:
    Bathymetry with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/bath.html>
    Entity_and_Attribute_Overview:
    Magnetics with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/mag.html>
    Entity_and_Attribute_Overview:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.html>
    Entity_and_Attribute_Overview:
    Seismic Shots with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/seis.html>


Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    Andy Stevenson (Geologist); Bill Normark (Chief Scientist); Bob Patrick (Electronics Technician); Bob Wilson (Mechanical Technician); Chris Gutmacher (Dafe Curator); Dave Clague (Geologist); Richard Heagney (Chief Mate); Jackie Eaby (Navigator); Jan Morton (Geophysicist); Jill Karsten (Unspecified Investigatr); Jim Saltzgaber (Chief Engineer); John Delaney (Unspecified Investigatr); Kaye Kinoshita (Navigator); Kevin O'Toole (Mechanical Technician); Larry Kooker (Electronics Technician); Terry Keith (Geologist); Terry Ruff (Ship Captain)

  3. To whom should users address questions about the data?

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>


Why was the data set created?

These data and information are intended for science researchers, students from elementary through college, policy makers, and general public.


How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

    Date: 19-Jan-1996 (process 1 of 3)
    Navigation Data
    Converted to time format with year at start.
    
    11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.LC80WF]LC80WF.052;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Date: 20-Jun-2012 (process 2 of 3)
    Magnetics Data
    06/20/2012 carolyn l-12-80-wf.220_052
    
    Reprocessed using subroutines from Susan Macmillan's
    IGRF SYNTHESIS PROGRAM <http://www.ngdc.noaa.gov/IAGA/vmod/igrf11.f>
    with IGRF-11 coeffiecients integrated into the source code.
    /infobank/programs/mag/magred11/magred11.for
    Using geodetic coordinate system (Earth shape approximated by spheriod)
    with altitude 0.0 km (for sea level).
    
    Input was...
    10/31/1998  /tiger/l/l1280wf/mag/l-12-80-wf.200_052
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    11/13/85 CAROLYN DRS$DATA:[LB80WF.M]LC80WF.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    first   part (304/0102-306/1656)
    was LB80WF.DRCPH1.MAGSE1 on TAM231
    was LB80WF240.DAT        on VAM231
    second  part (306/1656-307/1932)
    was LB80WF._.MAGSA2      on TAM231
    was LB80WF201.DAT        on MAM231
    third   part (308/0159-308/0159)
    was LB80WF._.MAGSA3      on TAM231
    was LB80WF202.DAT        on MAM231
    fourth  part (308/0200-309/2027)
    was LB80WF.DRCPH1.MAGSE1 on TAM231
    was LB80WF240.DAT        on VAM231
    fifth   part (309/2027-310/1608)
    was LB80WF._.MAGSA4      on TAM231
    was LB80WF203.DAT        on MAM231
    sixth   part (316/0026-316/0316)
    was LB80WF._.MAGSA5      on TAM231
    was LB80WF205.DAT        on MAM231
    seventh part (316/0317-316/1521)
    was LB80WF.DRCPH1.MAGSE1 on TAM231
    was LB80WF240.DAT        on VAM231
    
    Converted to time format with year at start.
    
    11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.LC80WF]LC80WF.052;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Date: 31-Oct-1998 (process 3 of 3)
    Bathymetry Data
    10/31/1998  /tiger/l/l1280wf/bath/l-12-80-wf.325_052
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    09/10/85 BECKIE DUA0:[DATA.LB80WF.B]LC80WF.325;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    This file was hand-digetized and is in corrected meters.
    The area of study also includeds the Delgada Deep Sea Fan starting at
    day 312/1000.
    
    Input was...
    Converted to time format with year at start.
    
    11/26/85 EDM DUA0:[DATA.DRSDATA.NAVL.LC80WF]LC80WF.052;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    
    time, lat, long, time(sec) to nearest nav fix, data values
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

  3. What similar or related data should the user be aware of?


How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    Identified as best available version.

  2. How accurate are the geographic locations?

    Unspecified

  3. How accurate are the heights or depths?

    Unspecified

  4. Where are the gaps in the data? What is missing?

    Start and end date/times of data

    Navigation Data (l-12-80-wf.052 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198010292040000    198011011945000
    198011012030000    198011031430000
    198011031515000    198011031801000
    198011031845000    198011032015000
    198011032045000    198011041025000
    198011041048000    198011052230000
    198011052300000    198011071816000
    198011071838000    198011081616000
    198011081640000    198011090030000
    198011090052000    198011090445000
    198011090520000    198011101148000
    198011101210000    198011111802000
    198011111824000    198011121332000
    198011121353000    198011130716000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (l-12-80-wf.220_052)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198010300102000    198010310615000
    198010310632000    198010311059000
    198010311113000    198011021932270
    198011030159200    198011040812180
    198011041151000    198011041618180
    198011042027300    198011051608000
    198011110026120    198011111521000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (l-12-80-wf.325_052)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (l-12-80-wf.onoff.singlechannel.airgun)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198011020305000    00001111
    00001102           198011021932000
    198011070942000    00001102
    00001107           198011130700000
    198011090348000    00001113
    00001109           198011100002000
    198011100110000    00001110
    00001110           198011130700000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    

  5. How consistent are the relationships among the observations, including topology?

    Unspecified


How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

  1. Who distributes the data set? (Distributor 1 of 1)

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

  2. What's the catalog number I need to order this data set?

    Downloadable Data L-12-80-WF data set <http://walrus.wr.usgs.gov/infobank/l/l1280wf/html/l-12-80-wf.meta.html>

  3. What legal disclaimers am I supposed to read?

    Please recognize the U.S. Geological Survey (USGS) as the source of this information.
    Physical materials are under controlled on-site access.
    Some USGS information accessed through this means may be preliminary in nature and presented without the approval of the Director of the USGS. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information are the responsibility of the user.
    This information is not intended for navigational purposes.
    Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

  4. How can I download or order the data?

    • Availability in digital form:

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1280wf/html/l-12-80-wf.nav.html>

Data format: ASCII Size: 4.3
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1280wf/html/l-12-80-wf.mag.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1280wf/html/l-12-80-wf.bath.html>

Data format: ASCII Size: 0.1
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1280wf/html/l-12-80-wf.seis.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 29-Oct-2013
    Metadata author:
    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>
    Attn: Clint Steele <http://walrus.wr.usgs.gov/staff/csteele.html>
    InfoBank Group Leader <http://walrus.wr.usgs.gov/staff/csteele.html>
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    infobank@octopus.wr.usgs.gov <mailto:infobank@octopus.wr.usgs.gov>

    Metadata standard:
    FGDC Content Standards for Digital Geospatial Metadata <http://www.fgdc.gov/> (FGDC-STD-001-1998 <http://www.its.nbs.gov/nbs/meta/meta.html>)


    Generated by mp version 2.9.13 on Tue Oct 29 12:50:25 2013