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What does this data set describe?

Title:
Geological and Geophysical data of field activity L-13-82-WF in Juan de Fuca from 10/17/1982 to 10/29/1982
Abstract:
Chief Scientist: Bill Normark. Geological and Geophysical data (3dot5khz, 12khz, airgun, gravity, underwatercamera, chaindredge, Niskenbottle, underwatercamera, courserecorder, integratednavigation) of field activity L-13-82-WF in Juan de Fuca from 10/17/1982 to 10/29/1982, <http://walrus.wr.usgs.gov/infobank/l/l1382wf/html/l-13-82-wf.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
airgun single-channel airgun
gravity
underwatercamera
chaindredge
Niskenbottle
underwatercamera
courserecorder
integratednavigation
Publications -
Morton, J.L., Eaby, J.S., Normark, William R., Eissen, Jean-Philippe, Golan-Bac, Margaret,
Rapp, J.B., and Been, J.M., 1983, Basalt samples and water-column samples from the southern
Juan de Fuca Ridge; preliminary results of cruise L13-82-WF: U.S. Geological Survey Open-File
Report 83-0827, 12 p.<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., Delaney, J.R., Lichtman, G.S., Morton, Janet L., Karsten, J.L., and
Johnson, H.P., 1982, Geologic and morphologic constraints on crustal-accretion models for
the southern Juan de Fuca Ridge, in American Geophysical Union 1982 fall meeting: American
Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1146. <BR>
<HR>
Normark, William R., Koski, Randolph A., Clague, David A., Morton, Janet L., and
Delaney, John R., 1982, Active hydrothermal vents and sulfide deposits on the southern
Juan de Fuca Ridge, in The Geological Society of America, 95th annual meeting:
Geological Society of America Abstracts with Programs, v. 14, no. 7, p. 577-578.<BR>
<HR>
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. <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>

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/>, 20130331, Geological and Geophysical data of field activity L-13-82-WF in Juan de Fuca from 10/17/1982 to 10/29/1982: 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: -131.30357
    East_Bounding_Coordinate: -122.19342
    North_Bounding_Coordinate: 46.26530
    South_Bounding_Coordinate: 37.51395

  3. What does it look like?

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

    Beginning_Date: 17-Oct-1982
    Ending_Date: 29-Oct-1982
    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:
    Gravity with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/grav.html>
    Entity_and_Attribute_Overview:
    Navigation with Time Stamp <http://walrus.wr.usgs.gov/infobank/programs/html/definition/nav.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?

    Aaron Dunwald (Chief Engineer); Al McClenaghan (Ship Captain); Andy Stevenson (Geologist); Bill Normark (Chief Scientist); Chris Gutmacher (Dafe Curator); Dave Melendrez (Chief Mate); Hank Chezar (Geologist); Jack Lee (Electronics Technician); Jack Swenson (Mechanical Technician); Jackie Eaby (Geologist); Jan Morton (Geophysicist); Jean-Philippe Eissen (Geochemist); Jenny Bick (Navigator); Jim Franklin (Geologist, Canada); John Rapp (Geochemist); Josh Been (Geochemist, Denver); Kaye Kinoshita (Navigator); Kevin O'Toole (Mechanical Technician); Robin Bouse (Navigator); Roy Fields (Electronics Technician); Steve Howe (Geologist, FG&P)

  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.

07/03/85 KAYE DRS$DATA:[LD82WF.N]LD82WF.051;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
Original file name is l1382wf.sinsb1._.

    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 2 of 3)
    Gravity Data 
    10/31/1998  /tiger/l/l1382wf/grav/l-13-82-wf.111_051
/bear/programs/edit/automerge/automerge

Input was...
Converted to time format with year at start.

10/10/85 BARB DRS$DATA:[LD82WF.G]LD82WF.111;
DRB0:[DRS.REFMT]REFORMAT.EXE;4

Input was...
Converted to time format with year at start.

07/03/85 KAYE DRS$DATA:[LD82WF.N]LD82WF.051;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
Original file name is l1382wf.sinsb1._.

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/l1382wf/bath/l-13-82-wf.320_051
/bear/programs/edit/automerge/automerge

Input was...
Converted to time format with year at start.

08/22/85 BECKIE DUA0:[DATA.LD82WF.B]LD82WF.320;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
I believe this to be hand-picked bathymetry.  The original file,
named delcbat82.dat, had depths only in corrected meters.  The
survey was in the Delgado Deep Sea Fan area.

Input was...
Converted to time format with year at start.

07/03/85 KAYE DRS$DATA:[LD82WF.N]LD82WF.051;
DRB0:[DRS.REFMT]REFORMAT.EXE;4
Original file name is l1382wf.sinsb1._.

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?

    U.S. Geological Survey (USGS) <http://www.usgs.gov>, Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Unknown, USGS/CMG Information Bank <http://walrus.wr.usgs.gov/infobank/>: U.S. Geological Survey (USGS) <http://www.usgs.gov> Coastal and Marine Geology (CMG) <http://walrus.wr.usgs.gov>, Menlo Park, CA.

    Online Links:

    Other_Citation_Details:
    Morton, J.L., Eaby, J.S., Normark, William R., Eissen, Jean-Philippe, Golan-Bac, Margaret, Rapp, J.B., and Been, J.M., 1983, Basalt samples and water-column samples from the southern Juan de Fuca Ridge; preliminary results of cruise L13-82-WF: U.S. Geological Survey Open-File Report 83-0827, 12 p. 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., Delaney, J.R., Lichtman, G.S., Morton, Janet L., Karsten, J.L., and Johnson, H.P., 1982, Geologic and morphologic constraints on crustal-accretion models for the southern Juan de Fuca Ridge, in American Geophysical Union 1982 fall meeting: American Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1146. Normark, William R., Koski, Randolph A., Clague, David A., Morton, Janet L., and Delaney, John R., 1982, Active hydrothermal vents and sulfide deposits on the southern Juan de Fuca Ridge, in The Geological Society of America, 95th annual meeting: Geological Society of America Abstracts with Programs, v. 14, no. 7, p. 577-578. 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, 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.


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-13-82-wf.051 [SINS])
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198210171646200    198210221927000
198210221933000    198210231631000
198210231705000    198210291635000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Gravity Data (l-13-82-wf.111_051)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198210171646200    198210172249000
198210180808400    198210191618000
198210191623200    198210221347000
198210270350200    198210291634500
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Bathymetry Data (l-13-82-wf.320_051)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198210280313570    198210280313570
198210280328090    198210280437360
198210280443490    198210280443490
198210280449520    198210280449520
198210280455540    198210280455540
198210280503050    198210280505310
198210280510500    198210280722550
198210280730580    198210280730580
198210280736290    198210281005050
198210281010200    198210281020490
198210281026430    198210281030530
198210281036040    198210281106410
198210281114020    198210281114020
198210281119500    198210281144580
198210281155440    198210281501130
198210281506290    198210281519350
198210281525080    198210281530020
198210281543080    198210281554070
198210281559430    198210281614510
198210281624300    198210281654050
198210281700050    198210281807530
198210281818110    198210281819150
198210281828200    198210281828200
198210281833390    198210281837420
198210281842580    198210281845370
198210281851500    198210281851500
198210281858180    198210281902450
198210281907590    198210281918080
198210281924040    198210281950230
198210281955270    198210281956550
198210282005350    198210282012540
198210282019120    198210282019120
198210282025270    198210282025270
198210282034270    198210282043100
198210282050050    198210282050050
198210282056520    198210282120270
198210282130000    198210282130000
198210282137220    198210282352020
198210282357230    198210290049470
198210290055080    198210290134570
198210290142080    198210290145020
198210290150380    198210290152240
198210290158040    198210290158040
198210290206410    198210290206410
198210290213020    198210290213020
198210290219330    198210290224370
198210290230000    198210290234360
198210290245010    198210290245010
198210290251380    198210290251380
198210290300000    198210290300000
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?

Access_Constraints:
Physical materials are under controlled on-site access.
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>
Use_Constraints:
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.

  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-13-82-WF data set <http://walrus.wr.usgs.gov/infobank/l/l1382wf/html/l-13-82-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: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1382wf/html/l-13-82-wf.nav.html>

Data format: ASCII Size: 5.0
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1382wf/html/l-13-82-wf.grav.html>

Data format: ASCII Size: 0.0
Network links: <http://walrus.wr.usgs.gov/infobank/l/l1382wf/html/l-13-82-wf.bath.html>

  • Cost to order the data: None

    • Who wrote the metadata?

    Dates:
    Last modified: 31-Mar-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 Sun Mar 31 07:19:44 2013