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G-64-78-MX links...
Metadata & Data: Bathymetry   Magnetics   Metadata   Navigation   bath (GE GM)   mag (GE GM)   nav (GE GM)   times (GE GM)  
Formal Metadata: Frequently-Anticipated Questions   Outline   Parseable Text   XML  
   
   

What does this data set describe?

Title:
Geophysical data of field activity G-64-78-MX in Mexico from 12/01/1978 to 01/14/1979
Abstract:
Chief Scientists: J.R. Curray, D.G. Moore. Geophysical data (transitsatellite, 3dot5khz, 12khz, magnetics, airgun, bathymetry) of field activity G-64-78-MX in Mexico from 12/01/1978 to 01/14/1979, <http://walrus.wr.usgs.gov/infobank/g/g6478mx/html/g-64-78-mx.meta.html>.
Supplemental_Information:

Equipment Used -
transitsatellite
3dot5khz
12khz
magnetics Geometrics magnetometer
airgun 20 to 300 cu. in. airgun
bathymetry 10 to 300 hz EDO
Notes -
Scripps Institution of Oceanography
Publications -
Core Data from the Deep Sea Drilling Project, Leg 64:
<A HREF="<http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/64/leg64.htm>"><http://www.ngdc.noaa.gov/mgg/geology/dsdp/data/64/leg64.htm>

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), Coastal and Marine Geology (CMG), 20090107, Geophysical data of field activity G-64-78-MX in Mexico from 12/01/1978 to 01/14/1979: U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG).

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -111.73980
    East_Bounding_Coordinate: -106.71660
    North_Bounding_Coordinate: 27.93680
    South_Bounding_Coordinate: 22.78780

  3. What does it look like?

    <http://walrus.wr.usgs.gov/infobank/g/g6478mx/html/g-64-78-mx.nav.gif> (GIF)
    Trackline map of G-64-78-MX
    <http://walrus.wr.usgs.gov/infobank/g/g6478mx/html/g-64-78-mx.mag.gif> (GIF)
    Magnetics data trackline map of G-64-78-MX
    <http://walrus.wr.usgs.gov/infobank/g/g6478mx/html/g-64-78-mx.bath.gif> (GIF)
    Bathymetry data trackline map of G-64-78-MX

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

    Beginning_Date: 01-Dec-1978
    Ending_Date: 14-Jan-1979
    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: Mexico
      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
    Entity_and_Attribute_Detail_Citation:
    Edited bathymetry data with corrected depths
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, 2WayTravelTime, UncorrDepth, CorrDepth)
    FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f7.4, t23, f7.1, t31, f7.1)
    C format:       (%4.4i%3.3i3%2.2i%1.1i %7.1f %7.1f %7.1f\\n)
    Naming:         .320
    
    Entity_and_Attribute_Overview: Magnetics with Time Stamp
    Entity_and_Attribute_Detail_Citation:
    Edited magnetics data
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, MstObs, MstReg, MstRes)
    FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f7.1, t24, f7.1, t32, f7.1)
    C format:       (%4.4i%3.3i3%2.2i%1.1i %7.1f %7.1f %7.1f\\n)
    Naming:         .220
    
    Entity_and_Attribute_Overview: Navigation with Time Stamp
    Entity_and_Attribute_Detail_Citation:
    Integrated navigation (SINS) data
    Mnemonic:       (Year, Day, Hour, Min, Sec, Tenths, Latitude, Longitude)
    FORTRAN format: (i4.4, i3.3, 3i2.2, i1.1, t16, f9.5, t26, f10.5)
    C format:       (%4.4i%3.3i3%2.2i%1.1i %9.5f %10.5f\\n)
    Naming:         .050
    


Who produced the data set?

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

    • U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)

  2. Who also contributed to the data set?

    J. R. Curray (Chief Scientist); D. G. Moore (Chief Scientist)

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

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@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: 17-Dec-1999 (process 1 of 3)
    Navigation Data
    01/30/1998 clint g-64-78-mx.050
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Integrated navigation (SINS) data
    
    

    Person who carried out this activity:

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

    Date: 06-Nov-2000 (process 2 of 3)
    Magnetics Data
    10/31/1998  /tiger/g/g6478mx/mag/g-64-78-mx.220_050
    /bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint g-64-78-mx.220
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited magnetics data
    
    Input was...
    01/30/1998 clint g-64-78-mx.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), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

    Date: 21-Nov-2000 (process 3 of 3)
    Bathymetry Data
    11/21/2000 clint g-64-78-mx.320_050
    /infobank/bear/programs/edit/automerge/automerge
    
    Input was...
    01/30/1998 clint g-64-78-mx.320
    /bear/programs/ngdc/unrefngdc/unrefngdc
    Edited bathymetry data with corrected depths
    
    Input was...
    01/30/1998 clint g-64-78-mx.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), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

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

    U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG), Unknown, USGS/CMG Information Bank: U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG).

    Online Links:

    Other_Citation_Details: Updated daily


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 (g-64-78-mx.050 [SINS])
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197812012235000    197812021500000
    197812110005000    197812110130000
    197812132245000    197812140605000
    197812162045000    197812180755000
    197812221800000    197812230810000
    197812240435000    197812240715000
    197812290515000    197812291635000
    197812312305000    197812312355000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Magnetics Data (g-64-78-mx.220_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197812012245000    197812021500000
    197812132310000    197812140605000
    197812162045000    197812162350000
    197812180005000    197812180755000
    197812221810000    197812222130000
    197812230405000    197812230810000
    197812240440000    197812240645000
    197812290530000    197812322359599
    197901010000001    197901030505000
    197901081910000    197901101525000
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    Bathymetry Data (g-64-78-mx.320_050)
    YYYYMMDDHHMMSST    YYYYMMDDHHMMSST
    197812012235000    197812021500000
    197812110005000    197812110130000
    197812132245000    197812140605000
    197812162045000    197812180755000
    197812221800000    197812222130000
    197812230620000    197812230810000
    197812240440000    197812240715000
    197812290515000    197812291635000
    197812312310000    197812322359599
    197901010000001    197901010010000
    197901021735000    197901030510000
    197901082030000    197901101540000
    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), Coastal and Marine Geology (CMG)
    c/o Clint Steele
    Data Acquisition, Processing, and Storage (DAPS) Group Leader
    USGS, MailStop 999, 345 Middlefield Road
    Menlo Park, CA 94025-3561
    USA

    (650) 329-5055 (voice)
    (650) 329-5190 (FAX)
    csteele@usgs.gov

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

    Downloadable Data G-64-78-MX data set

  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?


Who wrote the metadata?

Dates:
Last modified: 07-Jan-2009
Metadata author:
U.S. Geological Survey (USGS), Coastal and Marine Geology (CMG)
c/o Clint Steele
Data Acquisition, Processing, and Storage (DAPS) Group Leader
USGS, MailStop 999, 345 Middlefield Road
Menlo Park, CA 94025-3561
USA

(650) 329-5055 (voice)
(650) 329-5190 (FAX)
csteele@usgs.gov

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)


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