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Crustal Ages of the Ocean Floor - Poster
    fileIdentifier:  gov.noaa.ngdc.mgg.geophysics:G01167
    language:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  Brian Meyer
    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:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
                role:  (CI_RoleCode) publisher
            citedResponsibleParty:  User Services (publisher) (CI_ResponsibleParty)
                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
            contactInfo:  (CI_Contact)
                phone:  (CI_Telephone)
                    voice:  303 497-6338
                    facsimile:  303 497-6513
                address:  (CI_Address)
                    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
            role:  (CI_RoleCode) pointOfContact
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) NOT UPDATED
        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:  NASA/GCMD Science Keywords
        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
            thesaurusName:  (CI_Citation)
                title:  Uncontrolled Keywords
                date: (unknown)
        descriptiveKeywords:  WDS Project Keyword
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Global
            keyword:  Sea Floor
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  GCMD Location Keywords
        descriptiveKeywords:  Data Center Keywords
        resourceConstraints:  NOAA Disclaimer
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Use Constraints: None
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Access Constraints: No Constraints
        language:  eng; USA
        extent:  (EX_Extent)
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -180.0
                eastBoundLongitude:  180.0
                southBoundLatitude:  -90.0
                northBoundLatitude:  90.0
            temporalElement:  (EX_TemporalExtent)
                    beginPosition:  1996-05-31
                    endPosition:  1996-05-31
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    distributionInfo:  (MD_Distribution)
        distributionFormat:  (MD_Format)
            name:  Poster
            version: (unknown)
        distributor:  (MD_Distributor)
            distributorContact:  User Services
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  Depends on the Data Set
                orderingInstructions:  Ordering Instructions: Price information is available upon request. Prepay by bank card. There is a standard handling charge, with additional costs for special handling. Orders may be placed via fax, email, regular mail or telephone Custom Order Process: Contact data center for information
                turnaround:  4 Days
        transferOptions:  (MD_DigitalTransferOptions)
            onLine:  (CI_OnlineResource)
                linkage: https://www.ngdc.noaa.gov/mgg/fliers/96mgg04.html
            onLine:  (CI_OnlineResource)
                linkage: http://ols.nndc.noaa.gov/plolstore/plsql/olstore.prodspecific?prodnum=G01167-POS-A0001
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    dataQualityInfo:  NCEI repository history
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) annually
        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.
        contact:  Anna Milan
        contact:  Brian Meyer
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  magnetometer
            type: (missing)
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  dredging devices
            type: (missing)
        instrument:  (MI_Instrument)
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                code:  coring devices
            type: (missing)
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  ship
            description: (missing)
            instrument: (missing)
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  drilling platforms
            description: (missing)
            instrument: (missing)