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What does this data set describe?

Title:
Geological and Geophysical data of field activity L-3-84-SP in Tonga, Southern Pacific from 04/02/1984 to 05/01/1984
Abstract:
Chief Scientists: Dave Scholl, Rick Herzer. Geological and Geophysical data (3dot5khz, 12khz, transitsatellite, dopplersonar, integratednavigation, magnetics, gravity, airgun, 24channel, gravitycore, chaindredge, Niskenbottle, tempsalinometer, expendablebatthermograph, underwatercamera, airgunmonitor, sonobuoy) of field activity L-3-84-SP in Tonga, Southern Pacific from 04/02/1984 to 05/01/1984, <http://walrus.wr.usgs.gov/infobank/l/l384sp/html/l-3-84-sp.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
transitsatellite
dopplersonar
integratednavigation
magnetics Proton Precession magnetometer
gravity shipboard gravity meter
airgun single-channel airgun
24channel 24-channel airgun
gravitycore
chaindredge
Niskenbottle
tempsalinometer temperature/salinity/conductance gauges
expendablebatthermograph exp. bathym thermograph
underwatercamera
airgunmonitor
sonobuoy
Publications -
Morton, Janet L., Scholl, David W., Vallier, Tracy L., Herzer, Richard H., Stevenson, A.J.,
and McCarthy, J., 1984, An active spreading center in the Lau back-arc basin defined, in
The Geological Society of America, 97th meeting: Geological Society of America Abstracts
with Programs, v. 16, no. 6, p. 601.<BR>
<HR>
Cole, Jeffrey E., and Mann, Dennis M., 1985, Velocity analyses of near seafloor strata based
on multichannel seismic data from the Tonga Platform, in Scholl, David W., and Vallier,
Tracy L., eds., Geology and offshore resources of Pacific island arcs; Tonga region: Houston,
TX, Circum-Pacific Council Energy and Mineral Resources.<BR>
<HR>
Steele, W.C., and Kinoshita, K.L., 1986, Navigation for CCOP/SOPAC Cruise, Leg 3, Solomon Islands,
in Vedder, John G., Pound, K.S., and Boundy, S.Q., eds., Geology and offshore resources of Pacific
island arcs; central and western Solomon Islands: Circum-Pacific Council for Energy and Mineral
Resources, Earth Science Series, v. 4, p. 19-20.<BR>
<HR>
Hein, James R., Schulz, Marjorie S., and Kang, Jung-Keuk, 1988, Hydrothermal and hydrogenetic
ferromanganese oxide mineralization of active volcanic arcs, in Schindler, Katharine S.,
ed., USGS research on mineral resources, 1989; program and abstracts: U.S. Geological Survey
Circular 1035, p. 29-30.<BR>
<HR>
Wong, Florence L., Richmond, B.A., Greene, H.G., Dingler, John R., Hein, James R.,
Kvenvolden, Keith A., Marlow, M.S., Morton, Janet L., Rubin, D.M., Scholl, D.W., and
Vedder, J.G., 1991, SOPAC; a decade of research on mineral and hydrocarbon resources in
the South Pacific, in Good, Elizabeth E., Slack, John F, and Kotra, Rama K., eds.,
USGS research on mineral resources, 1991; program and abstracts: U.S. Geological Survey
Circular 1062, p. 78-79.<BR>
<HR>
Greene, H. Gary., Scholl, David W., Vedder, John G., and Wong, Florence L., 1988,
Oil and gas potential of island arcs in the Southwest Pacific; a new frontier,
in Wagner, Holly C., Wagner, Leslie C., Wang, Frank F.H., and Wong, Florence L.,
eds., Petroleum resources of China and related subject: Circum-Pacific Council
for Energy and Mineral Resources, Earth Science Series, v. 10, p. 671-691.<BR>
<HR>
von Blanckenburg, F., O'Nions, R.K., Belshaw, N.S., Gibb, A., and Hein, J.R., 1996,
Global distribution of beryllium isotopes in deep ocean water as derived from Fe-Mn
crusts: Earth and Planetary Science Letters, v. 141, no. 1-4, p. 213-226.<BR>
<HR>
Chan, L.H., Zhang, L., and Hein, J.R., 1994, Lithium isotope characteristics of marine
sediments: American Geophysical Union Eos, Transactions, v. 75, no. 44, Supplement, p. 314.<BR>
<HR>
Hein, James R., Koschinsky, Andrea, Halbach, Peter E., Manheim, Frank T., Bau, Michael,
Kang, Jung-Keuk, and Lubick, Naomi, 1997, Iron and manganese oxide mineralization in the
Pacific, in Nicholson, Keith, Hein, James R., Buehn, Bernhard, and Dasgupta, Somnath, eds.,
Manganese mineralization; geochemistry and mineralogy of terrestrial and marine deposits:
Geological Society Special Publications, v. 119, p. 123-138.<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-3-84-SP in Tonga, Southern Pacific from 04/02/1984 to 05/01/1984: 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: 178.39099
    East_Bounding_Coordinate: -174.74606
    North_Bounding_Coordinate: -18.13553
    South_Bounding_Coordinate: -26.50575

  3. What does it look like?

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

    Beginning_Date: 02-Apr-1984
    Ending_Date: 01-May-1984
    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: Tonga, Southern Pacific
      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.

      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:
    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); Chris Gutmacher (Navigator); Chris Poppe (Chief Mate); Dave Scholl (Chief Scientist); David Tappin (Geologist, Tonga); Dennis Mann (Geophysicist); George Chaproniere (Biologist, Aust); Jack Lee (Electronics Technician); Jan Morton (Geophysicist); Jill McCarthy (Geophysicist); John Dobranski (Chief Engineer); Jon Erickson (Mechanical Technician); Kaye Kinoshita (Navigator); Larry Kooker (Electronics Technician); Pat Moore (Ship Captain); Paul Wenberg (Mechanical Technician); Paula Quinterno (Biologist); Peter Ballance (Geologist, NZ); Peter Cawood (Geologist, Aust); Ray Sliter (Geophysicist); Rick Herzer (Chief Scientist, NZ); Rob O'Connor (Geologist); Robin Frisch (Navigator); Tevita Vuibau (Geologist, Fiji); Tracy Vallier (Geologist)

  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: 27-Oct-2000 (process 1 of 4)
    Navigation Data 
    Converted to time format with year at start.

07/12/85 CLINT DRS$DATA:[L384SP.N]L384SP.073;
DRB0:[DRS.FILT]FILTER.EXE;
parameters = 0.0  0.022222222   50  70

Input was...
07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.072;
DRB0:[DRS.NAV]EOTCSSP.EXE;

07/08/85 BARB DRS$DATA:[L384SP.N]DESAM.058;
DRB0:[DRS.DSMPL]DESAMTIME.EXE;1

07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.058;
DRB0:[DRS.EDIT]MERGEIT.EXE;

03/15/85 KAYE USR$DISK:[DRS.DATA.L3.N.TEMP]NEWMINSAT.050;
USR$DISK:[DRS.REFMT]REFORMAT.EXE;3

    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: 02-Nov-2000 (process 2 of 4)
    Gravity Data 
    10/31/1998  /tiger/l/l384sp/grav/l-3-84-sp.162_073
/bear/programs/edit/automerge/automerge

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

07/01/88 CAROLYN DRS$DATA:[L384SP.G]L384SP.162;
DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
Free Air Anomaly data
hand edited out spikes in FAA field

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

07/12/85 CLINT DRS$DATA:[L384SP.N]L384SP.073;
DRB0:[DRS.FILT]FILTER.EXE;
parameters = 0.0  0.022222222   50  70

07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.072;
DRB0:[DRS.NAV]EOTCSSP.EXE;

07/08/85 BARB DRS$DATA:[L384SP.N]DESAM.058;
DRB0:[DRS.DSMPL]DESAMTIME.EXE;1

07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.058;
DRB0:[DRS.EDIT]MERGEIT.EXE;

03/15/85 KAYE USR$DISK:[DRS.DATA.L3.N.TEMP]NEWMINSAT.050;
USR$DISK:[DRS.REFMT]REFORMAT.EXE;3

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: 20-Jun-2012 (process 3 of 4)
    Magnetics Data 
    06/20/2012 carolyn l-3-84-sp.223_073

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/magred1111/magred1111.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/l384sp/mag/l-3-84-sp.222_073
/bear/programs/edit/automerge/automerge

Converted to time format with year at start.

06/21/88 CAROLYN DRS$DATA:[L384SP.M]L384SP.222;
DUA0:[DRS.PLT]GRAPHED.EXE;
Edited magnetics data

06/21/88 CAROLYN DRS$DATA:[L384SP.M]L384SP.221;
DUA0:[DRS.NGDC]DESPIKE.EXE;
Edited magnetics data
deleted spikes greater than +/- 3000.0 gammas

06/21/88 CAROLYN DRS$DATA:[L384SP.M]L384SP.220;
DUA0:[DRS.MAG]MAGRED.EXE;5
Edited magnetics data
DGRF80 & IGRF85

10/20/86 CAROLYN DRS$DATA:[L384SP]L384SP.201;
DUA0:[DRS.REFMT]REFORMAT.EXE;5
was USR$DISK:[DRS.DATA.L3.M]L384SP.200;1 2-NOV-1984 on DISCO

07/12/85 CLINT DRS$DATA:[L384SP.N]L384SP.073;
DRB0:[DRS.FILT]FILTER.EXE;
parameters = 0.0  0.022222222   50  70

07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.072;
DRB0:[DRS.NAV]EOTCSSP.EXE;

07/08/85 BARB DRS$DATA:[L384SP.N]DESAM.058;
DRB0:[DRS.DSMPL]DESAMTIME.EXE;1

07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.058;
DRB0:[DRS.EDIT]MERGEIT.EXE;

03/15/85 KAYE USR$DISK:[DRS.DATA.L3.N.TEMP]NEWMINSAT.050;
USR$DISK:[DRS.REFMT]REFORMAT.EXE;3

Converted to time format with year at start.

07/12/85 CLINT DRS$DATA:[L384SP.N]L384SP.073;
DRB0:[DRS.FILT]FILTER.EXE;
parameters = 0.0  0.022222222   50  70

07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.072;
DRB0:[DRS.NAV]EOTCSSP.EXE;

07/08/85 BARB DRS$DATA:[L384SP.N]DESAM.058;
DRB0:[DRS.DSMPL]DESAMTIME.EXE;1

07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.058;
DRB0:[DRS.EDIT]MERGEIT.EXE;

03/15/85 KAYE USR$DISK:[DRS.DATA.L3.N.TEMP]NEWMINSAT.050;
USR$DISK:[DRS.REFMT]REFORMAT.EXE;3

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 4 of 4)
    Bathymetry Data 
    10/31/1998  /tiger/l/l384sp/bath/l-3-84-sp.331_073
/bear/programs/edit/automerge/automerge

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

06/23/88 CAROLYN DRS$DATA:[L384SP.B]L384SP.331;
DUA0:[DRS.PLT.GRAPHED]GRAPHED.EXE;
Edited bathymetry data

05/01/85 BECKIE USR$DISK:[DRS.DATA.L384SP.B]L384SP.330;
DRA1:[DRS.BAT]BATRED.EXE;1
This is clean hand-digetized bathymetry.

05/01/85 BECKIE USR$DISK:[DRS.DATA.L384SP.B]L384SP.310;
DRA1:[DRS.REFMT]REFORMAT.EXE;4
This file contains edited hand-digetized bathy.

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

07/12/85 CLINT DRS$DATA:[L384SP.N]L384SP.073;
DRB0:[DRS.FILT]FILTER.EXE;
parameters = 0.0  0.022222222   50  70

07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.072;
DRB0:[DRS.NAV]EOTCSSP.EXE;

07/08/85 BARB DRS$DATA:[L384SP.N]DESAM.058;
DRB0:[DRS.DSMPL]DESAMTIME.EXE;1

07/08/85 BARB DRS$DATA:[L384SP.N]L384SP.058;
DRB0:[DRS.EDIT]MERGEIT.EXE;

03/15/85 KAYE USR$DISK:[DRS.DATA.L3.N.TEMP]NEWMINSAT.050;
USR$DISK:[DRS.REFMT]REFORMAT.EXE;3

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, Janet L., Scholl, David W., Vallier, Tracy L., Herzer, Richard H., Stevenson, A.J., and McCarthy, J., 1984, An active spreading center in the Lau back-arc basin defined, in The Geological Society of America, 97th meeting: Geological Society of America Abstracts with Programs, v. 16, no. 6, p. 601. Cole, Jeffrey E., and Mann, Dennis M., 1985, Velocity analyses of near seafloor strata based on multichannel seismic data from the Tonga Platform, in Scholl, David W., and Vallier, Tracy L., eds., Geology and offshore resources of Pacific island arcs; Tonga region: Houston, TX, Circum-Pacific Council Energy and Mineral Resources. Steele, W.C., and Kinoshita, K.L., 1986, Navigation for CCOP/SOPAC Cruise, Leg 3, Solomon Islands, in Vedder, John G., Pound, K.S., and Boundy, S.Q., eds., Geology and offshore resources of Pacific island arcs; central and western Solomon Islands: Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series, v. 4, p. 19-20. Hein, James R., Schulz, Marjorie S., and Kang, Jung-Keuk, 1988, Hydrothermal and hydrogenetic ferromanganese oxide mineralization of active volcanic arcs, in Schindler, Katharine S., ed., USGS research on mineral resources, 1989; program and abstracts: U.S. Geological Survey Circular 1035, p. 29-30. Wong, Florence L., Richmond, B.A., Greene, H.G., Dingler, John R., Hein, James R., Kvenvolden, Keith A., Marlow, M.S., Morton, Janet L., Rubin, D.M., Scholl, D.W., and Vedder, J.G., 1991, SOPAC; a decade of research on mineral and hydrocarbon resources in the South Pacific, in Good, Elizabeth E., Slack, John F, and Kotra, Rama K., eds., USGS research on mineral resources, 1991; program and abstracts: U.S. Geological Survey Circular 1062, p. 78-79. Greene, H. Gary., Scholl, David W., Vedder, John G., and Wong, Florence L., 1988, Oil and gas potential of island arcs in the Southwest Pacific; a new frontier, in Wagner, Holly C., Wagner, Leslie C., Wang, Frank F.H., and Wong, Florence L., eds., Petroleum resources of China and related subject: Circum-Pacific Council for Energy and Mineral Resources, Earth Science Series, v. 10, p. 671-691. von Blanckenburg, F., O'Nions, R.K., Belshaw, N.S., Gibb, A., and Hein, J.R., 1996, Global distribution of beryllium isotopes in deep ocean water as derived from Fe-Mn crusts: Earth and Planetary Science Letters, v. 141, no. 1-4, p. 213-226. Chan, L.H., Zhang, L., and Hein, J.R., 1994, Lithium isotope characteristics of marine sediments: American Geophysical Union Eos, Transactions, v. 75, no. 44, Supplement, p. 314. Hein, James R., Koschinsky, Andrea, Halbach, Peter E., Manheim, Frank T., Bau, Michael, Kang, Jung-Keuk, and Lubick, Naomi, 1997, Iron and manganese oxide mineralization in the Pacific, in Nicholson, Keith, Hein, James R., Buehn, Bernhard, and Dasgupta, Somnath, eds., Manganese mineralization; geochemistry and mineralogy of terrestrial and marine deposits: Geological Society Special Publications, v. 119, p. 123-138.


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-3-84-sp.073)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198404020302590    198404020440590
198404020455390    198404020520000
198404020550590    198404021249390
198404021305000    198404041240000
198404041255000    198404051215000
198404051230000    198404061400000
198404061420000    198404130546000
198404130601000    198404182220000
198404201732000    198404280558000
198404280635390    198405010132390
198405010148000    198405012118000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Gravity Data (l-3-84-sp.162_073)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198404020544000    198404022241000
198404030556400    198404050302400
198404050308200    198404060000000
198404070037200    198404070351000
198404070358000    198404110216400
198404110230200    198404120145400
198404120706200    198404142343400
198404142349200    198404162332000
198404162337400    198404182248200
198404201728200    198404230511000
198404230524000    198404251738400
198404251749400    198404251931000
198404251937000    198404301558400
198404301624400    198405012034000
198405012106000    198405012117000
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Magnetics Data (l-3-84-sp.223_073)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198404030821400    198404040759000
198404040805000    198404050304400
198404050310200    198404050803000
198404050809000    198404060758400
198404060804400    198404061829000
198404061900400    198404070353200
198404070400000    198404070559000
198404070604400    198404070810200
198404070904200    198404071425400
198404071544400    198404080758400
198404080804400    198404090802400
198404090808400    198404100759000
198404100805000    198404110217400
198404110232200    198404110811000
198404110817000    198404120758200
198404120804200    198404130803200
198404130809200    198404140759000
198404140805000    198404142346000
198404142351200    198404150759000
198404150805000    198404160343400
198404160811400    198404161216200
198404180558400    198404181020400
198404181303000    198404181332000
198404181445000    198404181751000
198404181757000    198404182019200
198404202120400    198404210801400
198404212052200    198404212349200
198404220628200    198404220712200
198404220809200    198404221320200
198404221423200    198404221624200
198404221643200    198404221743200
198404230124200    198404230626000
198404230938000    198404231235200
198404231254200    198404231408200
198404240637400    198404241318000
198404250503400    198404250712200
198404251312200    198404251901400
198404260742400    198404260810400
198404260837400    198404261105200
198404270249000    198404270813400
198404271322000    198404271555200
198404271614200    198404271910200
198404280332000    198404281031400
198404281304400    198404281402400
198404281421400    198404290800400
198404290819400    198404290834400
198404300000400    198404300118400
198404300812200    198404301250200
198404302345400    198405011200200
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Bathymetry Data (l-3-84-sp.331_073)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198404031101180    198404041116540
198404041127540    198404050300360
198404050345240    198404060328000
198404060340480    198404061420000
198404061430060    198404071352060
198404071405240    198404071405240
198404071415540    198404071723300
198404071745360    198404090926120
198404090940240    198404090942540
198404090953000    198404090953000
198404091005360    198404091434540
198404091505300    198404101229540
198404101241120    198404110159540
198404110212060    198404110938240
198404110951540    198404111057540
198404111109480    198404111258480
198404111309000    198404111334300
198404111422480    198404111919360
198404111930060    198404112026180
198404112040000    198404112230360
198404112241360    198404112305300
198404112318000    198404120059480
198404120138420    198404120415000
198404120428120    198404120451180
198404120502120    198404131412240
198404131452480    198404140502000
198404140512300    198404150029180
198404150040120    198404151015180
198404151026060    198404151229300
198404151239480    198404151719000
198404151757000    198404160039420
198404160050180    198404160428060
198404160805540    198404161345420
198404162115540    198404162223060
198404162233120    198404162256180
198404162307300    198404162348120
198404180559180    198404180843240
198404180854240    198404181020120
198404181308360    198404181340180
198404181350360    198404182013240
198404202019300    198404210111180
198404210125060    198404210902360
198404210914540    198404211007120
198404211021060    198404211050120
198404211101300    198404211415540
198404211839480    198404212354000
198404220632480    198404221651420
198404230114180    198404231408120
198404240706060    198404241205180
198404241233300    198404241308240
198404250514480    198404251040060
198404251315180    198404252220060
198404260750360    198404261338540
198404261933240    198404270553120
198404270603240    198404270810420
198404271403060    198404271529540
198404271558120    198404271559540
198404271630480    198404271829480
198404271843300    198404271909000
198404280222000    198404280233300
198404280245360    198404280255180
198404280347540    198404280404240
198404280426420    198404281031360
198404281307180    198404291545480
198404292359060    198404300106180
198404300819360    198404301246120
198404302347180    198405011004300
198405011018240    198405011159540
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
Seismic Shots Data (l-3-84-sp.421_073)
YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
198404031121190    198404031727060
198404031735040    198404041200350
198404041213110    198404041459520
198404041556020    198404050259480
198404050343060    198404060354240
198404060404090    198404071745240
198404071840170    198404081316050
198404081323100    198404091434590
198404091505180    198404100337170
198404100510170    198404101559480
198404101645150    198404111334580
198404111415300    198404120059580
198404120137180    198404130700120
198404130735590    198404131412440
198404131450130    198404151229540
198404151345140    198404151720050
198404151755140    198404160244550
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-3-84-SP data set <http://walrus.wr.usgs.gov/infobank/l/l384sp/html/l-3-84-sp.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: 2.7
Network links: <http://walrus.wr.usgs.gov/infobank/l/l384sp/html/l-3-84-sp.nav.html>

Data format: ASCII Size: 3.2
Network links: <http://walrus.wr.usgs.gov/infobank/l/l384sp/html/l-3-84-sp.grav.html>

Data format: ASCII Size: 1.5
Network links: <http://walrus.wr.usgs.gov/infobank/l/l384sp/html/l-3-84-sp.mag.html>

Data format: ASCII Size: 0.6
Network links: <http://walrus.wr.usgs.gov/infobank/l/l384sp/html/l-3-84-sp.bath.html>

Data format: ASCII Size: 2.8
Network links: <http://walrus.wr.usgs.gov/infobank/l/l384sp/html/l-3-84-sp.seis.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 07:20:07 2013