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Crustal Ages of the Ocean Floor - Poster
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    fileIdentifier:  gov.noaa.ngdc.mgg.geophysics:G01167
    language:  eng; USA
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    contact:  (CI_ResponsibleParty)
        individualName:  Brian Meyer
        organisationName:  NOAA National Centers for Environmental Information
        contactInfo:  (CI_Contact)
            phone:  (CI_Telephone)
                voice:  303-497-6125
            address:  (CI_Address)
                electronicMailAddress:  Brian.Meyer@noaa.gov
        role:  (CI_RoleCode) pointOfContact
    dateStamp:  2017-09-25
    metadataStandardName:  ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
    metadataStandardVersion:  ISO 19115-2:2009(E)
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  Crustal Ages of the Ocean Floor - Poster
            date:  (CI_Date)
                date:  1996-01-01
                dateType:  (CI_DateTypeCode) publication
            edition:  First
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  NOAA National Centers for Environmental Information
                role:  (CI_RoleCode) publisher
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                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
                positionName:  User Services
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                        voice:  303-497-6826
                        facsimile:  303-497-6513
                    address:  (CI_Address)
                        deliveryPoint:  325 Broadway
                        city:  Boulder
                        administrativeArea:  CO
                        postalCode:  80305-3328
                        country:  USA
                        electronicMailAddress:  ngdc.info@noaa.gov
                    hoursOfService:  8am-5pm, Monday through Friday
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  CA/NRCAN/ESS/GSC>Geological Survey of Canada, Earth Sciences Sector, Natural Resources Canada
                contactInfo:  (CI_Contact)
                    phone:  (CI_Telephone)
                        voice:  613-995-0947
                    address:  (CI_Address)
                        deliveryPoint:  601 Booth St.
                        city:  Ottawa
                        administrativeArea:  ON
                        postalCode:  K1A 0E8
                        country:  Canada
                        electronicMailAddress:  questions@nrcan.gc.ca
                    hoursOfService:  (Tel. and TTY: Monday to Friday, 8:30 a.m. to 4:30 p.m. ET)
                    contactInstructions:  (Contact info for Natural Resources Canada)
                role:  (CI_RoleCode) originator
        abstract:  The Crustal Ages of the Ocean Floor Poster was created at NGDC using the Crustal Ages of the Ocean Floor database draped digitally over a relief of the ocean floor database. The Crustal Ages of the Ocean Floor database was created by a consortia of marine scientists including Dr. R. Dietmar Muller, Dept. of Geology and Geophysics, University of Sydney, Australia, Dr. Walter R. Roest, Geological Survey of Canada, Ottawa, Canada, Dr. Jean-Yves Royer, Lab. de Geodynamique, Villefranche Sur Mer, France, Dr. Lisa M. Gahagan, Institute for Geophysics, University of Texas, Austin, Texas, and Dr. John G. Sclater, Scripps Institution of Oceanography, La Jolla, California. This version of the age grid is based on the geomagnetic time scale of Cande and Kent (1995) for magnetic anomalies younger than chron 34 (83.5 Ma), and on the time scale from Gradstein et al, (1994) for older times. The grid node interval is 6 arc-minutes using a self- consistent set of global isochrons and associated plate reconstruction poles. The age of each grid node was determined by linear interpolation between adjacent isochrons in the direction of spreading. Ages for ocean floor between the oldest identified magnetic anomalies and continental crust were interpolated by estimating the ages of passive continental margin segments from geological data and published plate models. The gridded ages of the ocean floor are based on a digital set of isochrons. The isochrons are based on a large number of marine magnetic anomaly data, satellite altimetry data, and a self- consistent plate model. The finite rotation poles that the isochrons are based on and the references to the magnetic anomaly and fracture zone data are documented in the: University of Texas Institute for Geophysics Technical Report No. 117, 1992, "A global isochron chart" by J.-Y. Royer, R.D. Muller, L.M. Gahagan, L.A. Lawver, C.L. Mayes, D. Nurnberg, and J.G. Sclater. Digital age and error grids, files of continent-ocean boundaries and present day plate boundaries, a C-program to adapt the grid to new timescales, can be obtained from public ftp sites in North America and Australia.
        purpose:  Research, Public Interest, Education
        status:  (MD_ProgressCode) completed
        pointOfContact:  (CI_ResponsibleParty)
            individualName:  Robin Warnken
            organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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                    voice:  303 497-6338
                    facsimile:  303 497-6513
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                    deliveryPoint:  325 Broadway
                    city:  Boulder
                    administrativeArea:  CO
                    postalCode:  80305-3328
                    country:  USA
                    electronicMailAddress:  Robin.R.Warnken@noaa.gov
                hoursOfService:  7:00 - 4:00 Mountain
                contactInstructions:  Contact Data Center
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        descriptiveKeywords:  (MD_Keywords)
            keyword:  EARTH SCIENCE>SOLID EARTH>Rocks/Minerals>Age Determinations
            keyword:  EARTH SCIENCE>OCEANS>Marine Geophysics>Seafloor Spreading
            keyword:  EARTH SCIENCE>SOLID EARTH>Geomagnetism>Paleomagnetism
            keyword:  EARTH SCIENCE>SOLID EARTH>Rocks/Minerals>Age Determinations
            keyword:  EARTH SCIENCE>SOLID EARTH>Tectonics
            keyword:  EARTH SCIENCE>SOLID EARTH>Geodetics/Gravity>Crustal Motion
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  (CI_Citation)
                title:  Global Change Master Directory (GCMD) Science Keywords
                date:  (CI_Date)
                    date:  2020-01-09
                    dateType:  (CI_DateTypeCode) publication
                edition:  9.1
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
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        descriptiveKeywords:  (MD_Keywords)
            keyword:  Ocean Crust
            keyword:  Geologic Age
            keyword:  Ocean Floor Samples
            keyword:  Plate Tectonics
            keyword:  Earth Science>Interior & Crust
            type:  (MD_KeywordTypeCode) theme
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                edition:  9.1
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                    organisationName:  NASA Goddard Space Flight Center, Earth Science Data and Information System
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                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
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            keyword:  Sea Floor
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                            linkage: https://www.earthdata.nasa.gov/learn/find-data/idn/gcmd-keywords
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            otherConstraints:  Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
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        language:  eng; USA
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                  TimePeriod:
                    beginPosition:  1996-05-31
                    endPosition:  1996-05-31
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            name:  Poster
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                        city:  Boulder
                        administrativeArea:  CO
                        postalCode:  80305-3328
                        country:  USA
                        electronicMailAddress:  ngdc.info@noaa.gov
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                turnaround:  4 Days
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                description:  NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
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                  DateTime:  2015-04-22T00:00:00
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        dateOfNextUpdate:  2012-04-21
        maintenanceNote:  This metadata was automatically generated from the Content Standards for Digital Geospatial Metadata standard (version FGDC-STD-001-1998) using the 2012-08-08 version of the FGDC RSE to ISO 19115-2 transform.
        maintenanceNote:  Translated from FGDC 2012-10-10T10:31:51.547-06:00
        maintenanceNote:  Last Metadata Review Date: 2014-11-20-04-21
        maintenanceNote:  This record has been automatically modified to include references to NCEI where applicable on 2015-09-01.
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            individualName:  Brian Meyer
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                    electronicMailAddress:  Brian.Meyer@noaa.gov
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