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What does this data set describe?

Title:
Data of field activity V-9-77-IN in Victoria, Seychelles--> Port Louis, Mauritius from 11/02/1977 to 11/29/1977
Abstract:
Chief Scientist: R. Anderson. Data (gravitycore, pistoncore) of field activity V-9-77-IN in Victoria, Seychelles--> Port Louis, Mauritius from 11/02/1977 to 11/29/1977, <http://walrus.wr.usgs.gov/infobank/v/v977in/html/v-9-77-in.meta.html>.
Supplemental_Information:

Equipment Used -
gravitycore
pistoncore
Notes -
Lamont-Doherty
<http://www.ldeo.columbia.edu/>

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/>, 20140504, Data of field activity V-9-77-IN in Victoria, Seychelles--> Port Louis, Mauritius from 11/02/1977 to 11/29/1977: 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: 54.27080
    East_Bounding_Coordinate: 68.32170
    North_Bounding_Coordinate: -5.23930
    South_Bounding_Coordinate: -34.71410

  3. What does it look like?

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

    Beginning_Date: 02-Nov-1977
    Ending_Date: 29-Nov-1977
    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: Victoria, Seychelles--> Port Louis, Mauritius
      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>


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?

    R. Anderson (Chief Scientist, Lamond-Doherty)

  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: 30-Jan-1998 (process 1 of 4)
    Navigation Data
    01/30/1998 clint v-9-77-in.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    

    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/v/v977in/grav/v-9-77-in.160_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-9-77-in.160
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Free Air Anomaly data
    
    Input was...
    01/30/1998 clint v-9-77-in.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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 v-9-77-in.221_050
    
    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/v/v977in/mag/v-9-77-in.220_050
    /bear/programs/edit/automerge/automerge
    
    01/30/1998 clint v-9-77-in.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    01/30/1998 clint v-9-77-in.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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/v/v977in/bath/v-9-77-in.320_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint v-9-77-in.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint v-9-77-in.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    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:


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 (v-9-77-in.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197711021924000    197712022215000
    197712022300000    197712022330000
    197712030048000    197712030048000
    197712030150000    197712030219000
    197712030300000    197712030300000
    197712030422000    197712030422000
    197712030515000    197712061532000
    197712061700000    197712061700000
    197712061924000    197712061924000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Gravity Data (v-9-77-in.160_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197711050840000    197711051100000
    197711051130000    197711052220000
    197711060520000    197711060900000
    197711060930000    197711061650000
    197711061720000    197711070700000
    197711070730000    197711080330000
    197711091530000    197711091800000
    197711091920000    197711092100000
    197711092120000    197711100630000
    197711100700000    197711100750000
    197711100830000    197711101050000
    197711101120000    197711101700000
    197711101720000    197711102340000
    197711110050000    197711111020000
    197711111110000    197711111200000
    197711111220000    197711120040000
    197711120120000    197711120300000
    197711120750000    197711120830000
    197711120900000    197711121020000
    197711121050000    197711121230000
    197711121320000    197711121400000
    197711121840000    197711121840000
    197711121910000    197711130130000
    197711130210000    197711130330000
    197711130430000    197711130500000
    197711131940000    197711140010000
    197711140050000    197711140130000
    197711140820000    197711140950000
    197711141010000    197711141130000
    197711141150000    197711141230000
    197711141310000    197711141340000
    197711142220000    197711142300000
    197711142350000    197711150040000
    197711150120000    197711150240000
    197711150320000    197711150440000
    197711150510000    197711150730000
    197711150800000    197711150840000
    197711152200000    197711152330000
    197711160020000    197711160200000
    197711160220000    197711160220000
    197711160320000    197711160810000
    197711160850000    197711160930000
    197711161010000    197711161030000
    197711161050000    197711161120000
    197711170150000    197711170920000
    197711171100000    197711171300000
    197711171330000    197711171840000
    197711171910000    197711172140000
    197711172230000    197711180250000
    197711180320000    197711180340000
    197711181620000    197711182010000
    197711182130000    197711190800000
    197711190820000    197711191300000
    197711191330000    197711191330000
    197711191400000    197711191810000
    197711191840000    197711191900000
    197711191920000    197711200030000
    197711200050000    197711200600000
    197711200620000    197711201000000
    197711201050000    197711201200000
    197711201220000    197711201840000
    197711201920000    197711210730000
    197711210750000    197711211150000
    197711211210000    197711211350000
    197711211420000    197711211740000
    197711211810000    197711212100000
    197711212130000    197711220420000
    197711220510000    197711221300000
    197711221330000    197711221430000
    197711221500000    197711221500000
    197711221540000    197711221600000
    197711221640000    197711221740000
    197711221830000    197711222310000
    197711222330000    197711230050000
    197711230130000    197711230610000
    197711230630000    197711230900000
    197711230930000    197711230940000
    197711231030000    197711231110000
    197711232320000    197711232320000
    197711232340000    197711240000000
    197711240040000    197711240130000
    197711240200000    197711240240000
    197711240310000    197711240420000
    197711240500000    197711240610000
    197711240640000    197711240650000
    197711240720000    197711240740000
    197711240810000    197711240830000
    197711240850000    197711240940000
    197711242100000    197711242140000
    197711242210000    197711242310000
    197711242350000    197711250100000
    197711250130000    197711250150000
    197711250220000    197711250520000
    197711250600000    197711250800000
    197711250830000    197711250850000
    197711250910000    197711250920000
    197711250950000    197711250950000
    197711260030000    197711260050000
    197711260130000    197711260140000
    197711260200000    197711260220000
    197711260320000    197711260620000
    197711260640000    197711260900000
    197711260920000    197711261400000
    197711261430000    197711262140000
    197711262240000    197711270710000
    197711270740000    197711270820000
    197711280110000    197711280120000
    197711281820000    197711281830000
    197711281910000    197711281940000
    197711282030000    197711282210000
    197711282230000    197711290000000
    197711290020000    197711290420000
    197711290440000    197711290800000
    197711290840000    197711290850000
    197711290930000    197711291030000
    197711291100000    197711291140000
    197711291200000    197711291400000
    197711291430000    197711291500000
    197711291530000    197711291550000
    197711291650000    197711291650000
    197711291720000    197711291750000
    197711292210000    197711292330000
    197711292350000    197711300500000
    197711300700000    197711300710000
    197711300730000    197711301010000
    197711301050000    197711301450000
    197711301520000    197711301700000
    197711301730000    197711302050000
    197711302130000    197711302230000
    197711302330000    197712010040000
    197712011630000    197712011630000
    197712011650000    197712011710000
    197712011750000    197712011750000
    197712011820000    197712011900000
    197712011930000    197712012010000
    197712012040000    197712012150000
    197712012230000    197712012330000
    197712012350000    197712020150000
    197712020220000    197712020230000
    197712020300000    197712020330000
    197712020730000    197712021000000
    197712021030000    197712021200000
    197712030600000    197712040140000
    197712040210000    197712041110000
    197712041130000    197712050320000
    197712050340000    197712051310000
    197712051350000    197712051640000
    197712051710000    197712061030000
    197712061050000    197712061200000
    197712061240000    197712061500000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (v-9-77-in.221_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197711021930000    197711022148000
    197711022230000    197711031006000
    197711031018000    197711040530000
    197711040806000    197711041806000
    197711041818000    197711050312000
    197711050324000    197711050700000
    197711050712000    197711050754000
    197711050806000    197711051200000
    197711051224000    197711051530000
    197711051542000    197711052130000
    197711052142000    197711061200000
    197711061212000    197711062000000
    197711062012000    197711070724000
    197711070736000    197711070742000
    197711070754000    197711080330000
    197711091500000    197711101036000
    197711101054000    197711111200000
    197711111212000    197711120300000
    197711120730000    197711121254000
    197711121312000    197711121400000
    197711121900000    197711130330000
    197711131900000    197711140130000
    197711140812000    197711141330000
    197711142054000    197711150842000
    197711150854000    197711150900000
    197711152200000    197711152200000
    197711152236000    197711161000000
    197711170136000    197711170900000
    197711171042000    197711180254000
    197711181630000    197711201024000
    197711201036000    197711211800000
    197711211830000    197711231100000
    197711240230000    197711241000000
    197711242100000    197711250830000
    197711260100000    197711260100000
    197711260112000    197711270830000
    197711281800000    197711291600000
    197711291700000    197711302112000
    197711302124000    197711302230000
    197711302242000    197712010042000
    197712011630000    197712020400000
    197712020730000    197712021200000
    197712030600000    197712031724000
    197712031736000    197712032212000
    197712032224000    197712040512000
    197712040524000    197712041700000
    197712041800000    197712050754000
    197712050806000    197712061500000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (v-9-77-in.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197711021930000    197711031736000
    197711031748000    197711080430000
    197711091342000    197711110436000
    197711110448000    197711120324000
    197711120712000    197711121600000
    197711121830000    197711130500000
    197711131830000    197711140236000
    197711140754000    197711140806000
    197711140818000    197711141112000
    197711141124000    197711141430000
    197711142100000    197711150830000
    197711150848000    197711150900000
    197711152130000    197711161200000
    197711170118000    197711170924000
    197711171018000    197711171148000
    197711171200000    197711180400000
    197711181530000    197711192248000
    197711192300000    197711192300000
    197711192312000    197711200918000
    197711200930000    197711201036000
    197711201048000    197711202206000
    197711202224000    197711231100000
    197711232342000    197711232342000
    197711232354000    197711241018000
    197711242030000    197711250212000
    197711250224000    197711250830000
    197711260200000    197711270800000
    197711270830000    197711270830000
    197711270900000    197711270900000
    197711270930000    197711270930000
    197711281800000    197711291600000
    197711291612000    197711291612000
    197711291642000    197711291642000
    197711291654000    197712010100000
    197712011612000    197712020424000
    197712020712000    197712021230000
    197712030600000    197712061500000
    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 V-9-77-IN data set <http://walrus.wr.usgs.gov/infobank/v/v977in/html/v-9-77-in.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/v/v977in/html/v-9-77-in.nav.html>

Data format: ASCII Size: 0.2
Network links: <http://walrus.wr.usgs.gov/infobank/v/v977in/html/v-9-77-in.grav.html>

Data format: ASCII Size: 0.3
Network links: <http://walrus.wr.usgs.gov/infobank/v/v977in/html/v-9-77-in.mag.html>

Data format: ASCII Size: 0.4
Network links: <http://walrus.wr.usgs.gov/infobank/v/v977in/html/v-9-77-in.bath.html>

  • Cost to order the data: None


  • Who wrote the metadata?

    Dates:
    Last modified: 04-May-2014
    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 May 4 07:01:07 2014