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What does this data set describe?

Title:
Geological and Geophysical data of field activity L-9-81-AA in Aleutian Arc, Alaska from 07/19/1981 to 08/13/1981
Abstract:
Chief Scientists: Dave Scholl, Tracy Vallier. Geological and Geophysical data (3dot5khz, 12khz, airgun, airgunmonitor, Burgairgun, 24channel, sonobuoy, gravity, gravitycore, chaindredge, dopplersonar, integratednavigation, RhoRho, transitsatellite) of field activity L-9-81-AA in Aleutian Arc, Alaska from 07/19/1981 to 08/13/1981, <http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.meta.html>.
Supplemental_Information:

Equipment Used -
3dot5khz 3.5 khz bathymetry
12khz 12 khz bathymetry
airgun single-channel airgun
airgunmonitor single-channel airgun monitor
Burgairgun
24channel 24-channel seismic
sonobuoy
gravity shipboard gravity
gravitycore
chaindredge
dopplersonar
integratednavigation
RhoRho
transitsatellite
Publications -
Childs, Jonathan R., Scholl, David W., and Vallier, Tracy L., 1981, Onshore and offshore studies,
Amlia Island area, Aleutian Ridge, in Albert, N.R., and Hudson, Travis, eds., The United States
Geological Survey in Alaska; accomplishments during 1979: U.S. Geological Survey Circular 0823-B,
p. 134-137.<BR>
<HR>
McCarthy, Jill, Stevenson, Andrew J., Scholl, David W., and Vallier, Tracy L., 1984, Speculations on
the petroleum geology of the accretionary body; an example from the central Aleutians: Marine and
Petroleum Geology, v. 1, no. 2, p. 151-167. <BR>
<HR>
McCarthy, Jill, and Scholl, David W., 1985, Mechanisms of subduction accretion along the
central Aleutian Trench: Geological Society of America Bulletin, v. 96, no. 6, p. 691-701.<BR>
<HR>
Harbert, W.P., Scholl, David W., Mann, D., Vallier, Tracy L., and Stevenson, Andrew J., 1982,
Geologic and tectonic history of Atka Basin, Aleutian Ridge, in American Geophysical Union
1982 fall meeting: American Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1115.<BR>
<HR>
McCarthy, J., Scholl, David W., Mann, D., Vallier, Tracy L., and Stevenson, Andrew J., 1982,
Mechanisms of accretion along the Aleutian Trench, in American Geophysical Union 1982 fall
meeting: American Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1115.<BR>
<HR>
Harbert, William, Scholl, David W., Vallier, Tracy L., Stevenson, Andrew J., and Mann, D.M., 1986,
Major evolutionary phases of a forearc basin of the Aleutian Terrace; relation to North Pacific
tectonic events and the formation of the Aleutian subduction complex: Boulder, CO, Geology,
v. 14, no. 9, p. 757-761.<BR>
<HR>
McCarthy, Jill, Scholl, David W., and Sleep, Norman H., 1983, Accretionary structures along
the central Aleutian Trench: American Geophysical Union Eos, Transactions, v. 64, no. 45, p. 870.<BR>
<HR>
McCarthy, Jill, 1987, Seismic reflection imaging of plate boundaries; examples from the
central Aleutians, the North Atlantic, and the Basin and Range Province of the Western U.S.:
Stanford, CA, Stanford University Ph. D. Dissertation.<BR>
<HR>
Geist, Eric L., Childs, Jonathan R., and Scholl, David W., 1987, Evolution and petroleum
geology of Amlia and Amukta intra-arc summit basins, Aleutian Ridge: Marine and Petroleum
Geology, v. 4, no. 4, p. 334-352.<BR>
<HR>
Geist, Eric L., Childs, Jonathan R., and Scholl, David W., 1985, Extensional structures
on the Aleutian Ridge, Alaska: American Geophysical Union Eos, Transactions, v. 66, no. 46,
p. 1072.<BR>
<HR>
Geist, Eric L., Childs, Jonathan R., and Scholl, David W., 1988, The origin of summit
basins of the Aleutian Ridge; implications for block rotation of an arc massif: Tectonics,
v. 7, no. 2, p. 327-341.<BR>
<HR>
Scholl, David W., Mann, Dennis M., Vallier, Tracy L., and Sliter, Ray W., 1988, Multichannel
seismic-reflection data collected in 1981 across the Aleutian Arc and Trench, Alaska:
U.S. Geological Survey Open-File Report 88-0592, 4 p. 2 sheets.<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/>, 20131101, Geological and Geophysical data of field activity L-9-81-AA in Aleutian Arc, Alaska from 07/19/1981 to 08/13/1981: 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: 173.58301
    East_Bounding_Coordinate: -165.99205
    North_Bounding_Coordinate: 54.08144
    South_Bounding_Coordinate: 50.11441

  3. What does it look like?

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

    Beginning_Date: 19-Jul-1981
    Ending_Date: 13-Aug-1981
    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: Aleutian Arc, Alaska
      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:
    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?

    Aaron Dunwald (Chief Engineer); Andy Stevenson (Geologist); Bob Rothman (Chief Mate); Dave Scholl (Chief Scientist); Dennis Mann (Geophysicist); Eric Dash (Watchstander); Frank Johnson (Ship Captain); George Asuncion (Electronics Technician); Guy Cochrane (Navigator); Jill McCarthy (Dafe Curator); Joe Edwards (Mechanical Technician); Jon Childs (Geophysicist); Kaye Kinoshita (Navigator); Margaret Keller (Geologist); Meg Kingston (Navigator); Paul Wenberg (Mechanical Technician); Rick Murnane (Geochemist); Rick Murnane (Geologist); Roy Fields (Electronics Technician); Tracy Vallier (Chief Scientist); Wyn Hill (Geologist); Wyn Hill (Geophysicist)

  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: 22-Jan-1996 (process 1 of 4)
    Navigation Data
    Converted to time format with year at start.
    
    06/06/86 EDM DUA0:[DATA.LEE81B]L981AA.070;
    DUA0:[DATA.LEE81B]FIXLATLON.EXE;
    fixed longitude values <-180. degrees
    
    Input was...
    06/24/85 CAROLYN DRS$DATA:[L981AA.N]L981AA.070;
    DRB0:[DRS.NAV]EOTCSSP.EXE;
    
    06/24/85 CAROLYN DRS$DATA:[L981AA.N]L981AA.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    was l981aa.sinse1._ on TAM295 and on TAM339
    
    

    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 4)
    Gravity Data
    10/31/1998  /tiger/l/l981aa/grav/l-9-81-aa.165_070
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    04/14/86 BECKIE DUA0:[DATA.JON.L981AA]L981AA.165;
    DRB0:[DRS.REFMT]REFORMAT.EXE;5
    This file was a Multics file named l981aa.red_grv.
    Jon Childs believes this file to be superior to
    L981AA.161, which has regional value problems.
    
    Input was...
    Converted to time format with year at start.
    
    06/06/86 EDM DUA0:[DATA.LEE81B]L981AA.070;
    DUA0:[DATA.LEE81B]FIXLATLON.EXE;
    fixed longitude values <-180. degrees
    
    06/24/85 CAROLYN DRS$DATA:[L981AA.N]L981AA.070;
    DRB0:[DRS.NAV]EOTCSSP.EXE;
    
    06/24/85 CAROLYN DRS$DATA:[L981AA.N]L981AA.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    was l981aa.sinse1._ on TAM295 and on TAM339
    
    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-9-81-aa.220_070
    
    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/l981aa/mag/l-9-81-aa.200_070
    /bear/programs/edit/automerge/automerge
    
    Converted to time format with year at start.
    
    11/21/85 CAROLYN DRS$DATA:[L981AA.M]L981AA.200;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    was L981AA._.MAGSB1       on TAM002
    was L981AA220.DAT         on VAM002
    
    Converted to time format with year at start.
    
    06/06/86 EDM DUA0:[DATA.LEE81B]L981AA.070;
    DUA0:[DATA.LEE81B]FIXLATLON.EXE;
    fixed longitude values <-180. degrees
    
    06/24/85 CAROLYN DRS$DATA:[L981AA.N]L981AA.070;
    DRB0:[DRS.NAV]EOTCSSP.EXE;
    
    06/24/85 CAROLYN DRS$DATA:[L981AA.N]L981AA.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    was l981aa.sinse1._ on TAM295 and on TAM339
    
    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/l981aa/bath/l-9-81-aa.335_070
    /bear/programs/edit/automerge/automerge
    
    Input was...
    Converted to time format with year at start.
    
    09/04/85 BECKIE DUA0:[DATA.L981AA.B]L981AA.335;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    This file was hand-digetized in 2-way traveltime(secs).
    
    Input was...
    Converted to time format with year at start.
    
    06/06/86 EDM DUA0:[DATA.LEE81B]L981AA.070;
    DUA0:[DATA.LEE81B]FIXLATLON.EXE;
    fixed longitude values <-180. degrees
    
    06/24/85 CAROLYN DRS$DATA:[L981AA.N]L981AA.070;
    DRB0:[DRS.NAV]EOTCSSP.EXE;
    
    06/24/85 CAROLYN DRS$DATA:[L981AA.N]L981AA.050;
    DRB0:[DRS.REFMT]REFORMAT.EXE;4
    was l981aa.sinse1._ on TAM295 and on TAM339
    
    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:
    Childs, Jonathan R., Scholl, David W., and Vallier, Tracy L., 1981, Onshore and offshore studies, Amlia Island area, Aleutian Ridge, in Albert, N.R., and Hudson, Travis, eds., The United States Geological Survey in Alaska; accomplishments during 1979: U.S. Geological Survey Circular 0823-B, p. 134-137. McCarthy, Jill, Stevenson, Andrew J., Scholl, David W., and Vallier, Tracy L., 1984, Speculations on the petroleum geology of the accretionary body; an example from the central Aleutians: Marine and Petroleum Geology, v. 1, no. 2, p. 151-167. McCarthy, Jill, and Scholl, David W., 1985, Mechanisms of subduction accretion along the central Aleutian Trench: Geological Society of America Bulletin, v. 96, no. 6, p. 691-701. Harbert, W.P., Scholl, David W., Mann, D., Vallier, Tracy L., and Stevenson, Andrew J., 1982, Geologic and tectonic history of Atka Basin, Aleutian Ridge, in American Geophysical Union 1982 fall meeting: American Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1115. McCarthy, J., Scholl, David W., Mann, D., Vallier, Tracy L., and Stevenson, Andrew J., 1982, Mechanisms of accretion along the Aleutian Trench, in American Geophysical Union 1982 fall meeting: American Geophysical Union Eos, Transactions, v. 63, no. 45, p. 1115. Harbert, William, Scholl, David W., Vallier, Tracy L., Stevenson, Andrew J., and Mann, D.M., 1986, Major evolutionary phases of a forearc basin of the Aleutian Terrace; relation to North Pacific tectonic events and the formation of the Aleutian subduction complex: Boulder, CO, Geology, v. 14, no. 9, p. 757-761. McCarthy, Jill, Scholl, David W., and Sleep, Norman H., 1983, Accretionary structures along the central Aleutian Trench: American Geophysical Union Eos, Transactions, v. 64, no. 45, p. 870. McCarthy, Jill, 1987, Seismic reflection imaging of plate boundaries; examples from the central Aleutians, the North Atlantic, and the Basin and Range Province of the Western U.S.: Stanford, CA, Stanford University Ph. D. Dissertation. Geist, Eric L., Childs, Jonathan R., and Scholl, David W., 1987, Evolution and petroleum geology of Amlia and Amukta intra-arc summit basins, Aleutian Ridge: Marine and Petroleum Geology, v. 4, no. 4, p. 334-352. Geist, Eric L., Childs, Jonathan R., and Scholl, David W., 1985, Extensional structures on the Aleutian Ridge, Alaska: American Geophysical Union Eos, Transactions, v. 66, no. 46, p. 1072. Geist, Eric L., Childs, Jonathan R., and Scholl, David W., 1988, The origin of summit basins of the Aleutian Ridge; implications for block rotation of an arc massif: Tectonics, v. 7, no. 2, p. 327-341. Scholl, David W., Mann, Dennis M., Vallier, Tracy L., and Sliter, Ray W., 1988, Multichannel seismic-reflection data collected in 1981 across the Aleutian Arc and Trench, Alaska: U.S. Geological Survey Open-File Report 88-0592, 4 p. 2 sheets.



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-9-81-aa.070)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198107190212000    198107201108000
    198107201117000    198107201649260
    198107201654360    198107240505200
    198107240533190    198108100623120
    198108100629050    198108131805000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (l-9-81-aa.165_070)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198107190226000    198107191506480
    198107191515000    198107200834420
    198107200844060    198107201713240
    198107201721540    198107210201540
    198107210207060    198107220431240
    198107220437540    198107221335180
    198107221437060    198107230816360
    198107230822060    198107260508240
    198107260515060    198107261854300
    198107261904300    198107270358300
    198107270405060    198107280617420
    198107280623180    198107300818000
    198107300823420    198107302338120
    198107310226480    198107311039000
    198107311044420    198107311846420
    198107312049060    198108010036180
    198108011032240    198108011810120
    198108020548240    198108021051240
    198108021100300    198108031253120
    198108031259060    198108031357120
    198108031428000    198108031855300
    198108032204360    198108040707540
    198108040714120    198108061331420
    198108061337060    198108070714540
    198108070720000    198108080919000
    198108080925120    198108090505480
    198108090511060    198108110414420
    198108110420180    198108120846480
    198108120943000    198108131742180
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (l-9-81-aa.220_070)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198107190800000    198107191512070
    198107191520030    198107200840000
    198107200849080    198107200941560
    198107201633160    198107201718360
    198107201726520    198107210207000
    198107210212080    198107220436560
    198107220442520    198107221340320
    198107221442060    198107230821560
    198107230827040    198107260514000
    198107260520040    198107261900000
    198107261909320    198107270404000
    198107270410040    198107280328100
    198107280514400    198107280623000
    198107280628160    198107280827240
    198107282256360    198107290141400
    198107291204400    198107292022040
    198107300334400    198107301240080
    198107301921440    198107302256160
    198107310232160    198107310915240
    198107312054050    198108010041040
    198108011039070    198108011814510
    198108020553270    198108021057070
    198108021105310    198108031402400
    198108031433030    198108031900320
    198108032209360    198108040713000
    198108040719120    198108042338400
    198108050854400    198108051705160
    198108060916400    198108061337000
    198108061342040    198108080924200
    198108080930140    198108082258280
    198108090114200    198108092221440
    198108100038240    198108100539160
    198108100821280    198108110419560
    198108110425160    198108112310080
    198108120135090    198108120852280
    198108120948000    198108121339000
    198108121712230    198108131045000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (l-9-81-aa.335_070)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198107190300060    198107190924360
    198107190939180    198107191007300
    198107191020300    198107201215060
    198107201247300    198107201801480
    198107201812240    198107220000000
    198107220150360    198107280300000
    198107280527180    198107280829060
    198107282303120    198107290131420
    198107290630000    198107301458180
    198107301509180    198107301518120
    198107301528180    198107301528180
    198107301538420    198107310915240
    198107311000060    198108010034540
    198108011042420    198108011833540
    198108020601000    198108042338060
    198108050904180    198108051848000
    198108060955240    198108061704180
    198108061716180    198108070022120
    198108070059540    198108070343300
    198108070357300    198108070400540
    198108070413540    198108071800000
    198108071831180    198108080333120
    198108080344060    198108081108060
    198108081205060    198108082230060
    198108082241120    198108112300060
    198108112311540    198108121338300
    198108121700120    198108131040360
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Seismic Shots Data (l-9-81-aa.421_070)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    198107201802220    198107220000060
    198107220145060    198107221720110
    198107221940110    198107231354470
    198107231502070    198107241036120
    198107241130120    198107250221110
    198107250250310    198107250325520
    198107250349520    198107251319520
    198107251353120    198107260210140
    198107260216540    198107261053340
    198107261205140    198107270851500
    198107271310100    198107280253350
    198108060958150    198108062358190
    198108070055190    198108080252180
    198108080258580    198108080515390
    198108080540390    198108081137190
    198108081208190    198108081718160
    198108081724560    198108082231350
    198108100823460    198108101352280
    198108101357390    198108110016060
    198108110032270    198108110055080
    198108110100310    198108110100310
    198108110106460    198108110106460
    198108110113250    198108110113250
    198108110120020    198108110120020
    198108110127340    198108110127340
    198108110135550    198108110135550
    198108110142460    198108110147400
    198108110152500    198108110152500
    198108110158320    198108110230210
    198108110235310    198108110537260
    198108110607470    198108111406020
    198108111411390    198108111715540
    198108111721220    198108112301430
    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-9-81-AA data set <http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.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: 1.2
Network links: <http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.nav.html>

Data format: ASCII Size: 2.9
Network links: <http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.grav.html>

Data format: ASCII Size: 2.5
Network links: <http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.mag.html>

Data format: ASCII Size: 0.9
Network links: <http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.bath.html>

Data format: ASCII Size: 1.7
Network links: <http://walrus.wr.usgs.gov/infobank/l/l981aa/html/l-9-81-aa.seis.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 01-Nov-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 Fri Nov 1 14:03:52 2013