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PETROS - Worldwide Databank of Major Element Chemical Analyses of Igneous Rocks
 (MI_Metadata)
    fileIdentifier:  gov.noaa.ngdc.mgg.geology:G00030
    language:
      LanguageCode:  eng; USA
    characterSet:  (MD_CharacterSetCode) utf8
    parentIdentifier:  gov.noaa.ngdc:Marine_Geology
    hierarchyLevel:  (MD_ScopeCode) dataset
    contact:  pointOfContact - DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
    dateStamp:  2015-12-31
    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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    spatialRepresentationInfo:  https://www.ngdc.noaa.gov/docucomp/b949647a-48e0-47ed-99ed-480a996ec174
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    referenceSystemInfo:  European Petroleum Survey Group (EPSG) Geodetic Parameter Registry
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    identificationInfo:  (MD_DataIdentification)
        citation:  (CI_Citation)
            title:  PETROS - Worldwide Databank of Major Element Chemical Analyses of Igneous Rocks
            date:  (CI_Date)
                date:  1977-01-01
                dateType:  (CI_DateTypeCode) publication
            date:  (CI_Date)
                date:  1981-05-15
                dateType:  (CI_DateTypeCode) revision
            edition:  6.1
            identifier:  (MD_Identifier)
                code:
                  Anchor:  DOI doi:10.7289/V5QN64NM
            citedResponsibleParty:  (CI_ResponsibleParty)
                individualName:  Dr. Felix Mutschler
                organisationName:  Eastern Washington University
                role:  (CI_RoleCode) originator
            citedResponsibleParty:  (CI_ResponsibleParty)
                individualName:  Denise Jeanne Rougon
                organisationName:  Eastern Washington University
                role:  (CI_RoleCode) collaborator
            citedResponsibleParty:  (CI_ResponsibleParty)
                individualName:  Owen P. Lavin
                organisationName:  Eastern Washington University
                role:  (CI_RoleCode) collaborator
            citedResponsibleParty:  (CI_ResponsibleParty)
                individualName:  Roger D. Hughes
                organisationName:  Eastern Washington University
                role:  (CI_RoleCode) collaborator
            citedResponsibleParty:  (CI_ResponsibleParty)
                organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
                role:  (CI_RoleCode) publisher
            presentationForm:  (CI_PresentationFormCode) tableDigital
            series:  (CI_Series)
                name:  Marine Geology and Geophysics (MGG)
                issueIdentification:  '81-MGG-12 PETROS - Data Bank of Major Element Chemical Analyses of Igneous Rocks.' MGG42995006
        abstract:  PETROS is a worldwide data bank of major element chemical analyses of igneous rocks compiled for research and teaching purposes by Dr. Felix Mutschler and Staff at Eastern Washington University. PETROS version 6.1 includes 37,300 major element chemical analyses divided into 307 major groups representing geographic areas or petrologic provinces. The data are for 4,512 cores, grabs and dredges. Also included are 468 average igneous rock compositions calculated by various authors, a bibliography of information sources, and complete format/operating instructions for PETROS. In compiling PETROS, as few analyses as possible were rejected, allowing data bank users to exercise their own judgment on data values. Sources include published works, theses, and in a few cases, unpublished analytical data, all of which are referenced in the bibliography. Generally, only those analyses which included determinations of at least eight major oxides were accepted. Some quality control was exercised, and duplicate analyses, where possible were eliminated. Latitude/longitude information for samples is to the nearest one degree. An accompanying program listing in FORTRAN for searching PETROS is included with the data file, along with complete format documentation.
        purpose:  Research and Instruction
        credit:  Cite as: Mutschler, F.E., Rougon, D.J., Lavin, O.P., and R.D. Hughes (1981): PETROS version 6.1 Worldwide Databank of Major Element Chemical Analyses of Igneous Rocks. NOAA National Centers for Environmental Information. doi:10.7289/V5QN64NM
        status:  (MD_ProgressCode) completed
        pointOfContact:  pointOfContact - DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
        resourceMaintenance:  (MD_MaintenanceInformation)
            maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) notPlanned
            maintenanceNote:  No additional versions or updates are planned by the authors.
        graphicOverview:  (MD_BrowseGraphic)
            fileName:  https://www.ngdc.noaa.gov/mgg/image/geolin/preview42995006.gif
            fileDescription:  sample locations in study area
            fileType:  GIF
        descriptiveKeywords:  (MD_Keywords)
            keyword:  PETROS
            type:  (MD_KeywordTypeCode) project
            thesaurusName:  (CI_Citation)
                title:  Uncontrolled vocabulary
                date: (unknown)
        descriptiveKeywords:  (MD_Keywords)
            keyword:  ICSU-WDS > International Council for Science - World Data System
            type:  (MD_KeywordTypeCode) project
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Project Keywords
                date:  (CI_Date)
                    date:  2015-03-01
                    dateType:  (CI_DateTypeCode) revision
                date:  (CI_Date)
                    date:  1995-04-24
                    dateType:  (CI_DateTypeCode) publication
                edition:  8.1
                citedResponsibleParty:  GCMD User Support Office
                citedResponsibleParty:  GCMD Valids
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Scientific archives
            keyword:  Electronic records
            keyword:  Geology
            keyword:  Submarine geology
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  Library of Congress Subject Headings
        descriptiveKeywords:  (MD_Keywords)
            keyword:  Marine geology
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  SeaDataNet Common Vocabularies
        descriptiveKeywords:  (MD_Keywords)
            keyword:  EARTH SCIENCE > Solid Earth > Geochemistry
            keyword:  EARTH SCIENCE > Solid Earth > Geochemistry > Major Elements
            keyword:  EARTH SCIENCE > Solid Earth > Rocks/Minerals/Crystals > Igneous Rocks
            type:  (MD_KeywordTypeCode) theme
            thesaurusName:  NASA/GCMD Science Keywords
        descriptiveKeywords:  (MD_Keywords)
            keyword:  In Situ Ocean-based Platforms > SHIPS
            keyword:  In Situ Ground-based Platforms > Field Surveys
            type:  (MD_KeywordTypeCode) platform
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Platform Keywords
                date: (unknown)
        descriptiveKeywords:  (MD_Keywords)
            keyword:  In Situ/Laboratory Instruments > Samplers > DREDGING DEVICES
            keyword:  In Situ/Laboratory Instruments > Samplers > Grabbers/Traps/Collectors > GRAB SAMPLERS
            keyword:  In Situ/Laboratory Instruments > Corers > ROCK CORERS
            type:  (MD_KeywordTypeCode) instrument
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Instrument Keywords
                date: (unknown)
        descriptiveKeywords:  (MD_Keywords)
            keyword:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
            keyword:  DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
            type:  (MD_KeywordTypeCode) dataCenter
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Data Center Keywords
                date:  (CI_Date)
                    date:  2015-03-01
                    dateType:  (CI_DateTypeCode) revision
                date:  (CI_Date)
                    date:  1995-04-24
                    dateType:  (CI_DateTypeCode) publication
                edition:  8.1
                citedResponsibleParty:  GCMD User Support Office
                citedResponsibleParty:  GCMD Valids
        descriptiveKeywords:  (MD_Keywords)
            keyword:  GEOGRAPHIC REGION > GLOBAL
            type:  (MD_KeywordTypeCode) place
            thesaurusName:  (CI_Citation)
                title:  NASA/GCMD Location Keywords
                date: (unknown)
        resourceConstraints:  (MD_LegalConstraints)
            useLimitation:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Cite as: Mutschler, F.E., Rougon, D.J., Lavin, O.P., and R.D. Hughes (1981): PETROS version 6.1 Worldwide Databank of Major Element Chemical Analyses of Igneous Rocks. NOAA National Centers for Environmental Information. doi:10.7289/V5QN64NM [access date]
        resourceConstraints:  (MD_LegalConstraints)
            accessConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Access to this dataset is unrestricted.
        resourceConstraints:  (MD_LegalConstraints)
            useConstraints:  (MD_RestrictionCode) otherRestrictions
            otherConstraints:  Use of this dataset is unrestricted.
        resourceConstraints:  (MD_Constraints)
            useLimitation:  Produced by the NOAA National Centers for Environmental Information. Not subject to copyright protection within the United States.
        resourceConstraints:  (MD_LegalConstraints)
            useLimitation:  While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
        resourceConstraints:  (MD_SecurityConstraints)
            classification:  (MD_ClassificationCode) unclassified
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  PETROS version 6.1 Worldwide Databank of Major Element Chemical Analyses of Igneous Rocks
                date:  (CI_Date)
                    date:  1981-04-30
                    dateType:  (CI_DateTypeCode)
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Felix E. Mutschler
                    role:  (CI_RoleCode) author
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Denise Jeanne Rougon
                    role:  (CI_RoleCode) author
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Owen P. Lavin
                    role:  (CI_RoleCode) author
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Roger D. Hughes
                    role:  (CI_RoleCode) author
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
                    role:  (CI_RoleCode) publisher
                presentationForm:  (CI_PresentationFormCode) tableDigital
                series:  (CI_Series)
                    name:  PETROS 6.1
                    issueIdentification:  MGG42995006
                otherCitationDetails:  Final version of the PETROS project database.
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) project
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  PETROS, igneous rocks for research and teaching.
                date:  (CI_Date)
                    date:  1976-12-31
                    dateType:  (CI_DateTypeCode)
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Felix E. Mutschler
                    role:  (CI_RoleCode) author
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Denise Jeanne Rougon
                    role:  (CI_RoleCode) author
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Owen P. Lavin
                    role:  (CI_RoleCode) author
                presentationForm:  (CI_PresentationFormCode) documentHardcopy
                series:  (CI_Series)
                    name:  Computers and Geosciences
                    issueIdentification:  Vol. 2
                otherCitationDetails:  p. 51-57
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) study
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  KEYBAM--a system of interactive computer programs for use with the PETROS data bank of major element analyses of igneous rocks.
                date:  (CI_Date)
                    date:  1977-12-31
                    dateType:  (CI_DateTypeCode)
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Barr, D.
                    role:  (CI_RoleCode) author
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Felix E. Mutschler
                    role:  (CI_RoleCode) author
                citedResponsibleParty:  (CI_ResponsibleParty)
                    individualName:  Owen P. Lavin
                    role:  (CI_RoleCode) author
                presentationForm:  (CI_PresentationFormCode) documentHardcopy
                series:  (CI_Series)
                    name:  Computers and Geosciences
                    issueIdentification:  Vol. 3
                otherCitationDetails:  p. 489-496
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) study
        aggregationInfo:  (MD_AggregateInformation)
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                title: (inapplicable)
                date:  (CI_Date)
                    date:  2015-10-05
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                    code:
                      Anchor:  Archive Archive
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  National Centers for Environmental Information, NOAA
                    role:  (CI_RoleCode) resourceProvider
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName: (inapplicable)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage: http://www.ngdc.noaa.gov/docucomp/page?xml=NOAA/NESDIS/NGDC/Collection/iso/xml/Marine_Geology.xml&view=getDataView&header=none
                            protocol:  WWW:LINK-1.0-http--link
                            applicationProfile:  Web Browser
                            name:  Parent Archive
                            description:  Information about the Marine Geology Data Archive at NCEI.
                            function:  (CI_OnLineFunctionCode) information
                    role: (inapplicable)
            aggregateDataSetIdentifier:  (MD_Identifier)
                code:
                  Anchor:  Archive Archive
            associationType:  (DS_AssociationTypeCode) largerWorkCitation
            initiativeType:  (DS_InitiativeTypeCode) collection
        aggregationInfo:  (MD_AggregateInformation)
            aggregateDataSetName:  (CI_Citation)
                title:  NOAA/NCEI Marine Geology WAF
                date:  (CI_Date)
                    date:  2015-10-05
                    dateType:  (CI_DateTypeCode)
                identifier:  (MD_Identifier)
                    code:
                      Anchor:  NOAA/NCEI Marine Geology WAF NOAA/NCEI Marine Geology WAF
                citedResponsibleParty:  (CI_ResponsibleParty)
                    organisationName:  National Centers for Environmental Information, NOAA
                    role:  (CI_RoleCode) author
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                    organisationName: (inapplicable)
                    contactInfo:  (CI_Contact)
                        onlineResource:  (CI_OnlineResource)
                            linkage:  https://data.noaa.gov/harvest/850a876a-3f44-456f-9599-430b9b10b34d
                            protocol:  WWW:LINK-1.0-http--link
                            applicationProfile:  Web Browser
                            name:  Marine geology data sets in data.noaa.gov from NOAA/NCEI
                            description:  More marine geology data sets in data.noaa.gov stewarded by NOAA/NCEI.
                            function:  (CI_OnLineFunctionCode) search
                    role: (inapplicable)
            aggregateDataSetIdentifier:  (MD_Identifier)
                code:
                  Anchor:  NOAA/NCEI Marine Geology WAF NOAA/NCEI Marine Geology WAF
            associationType:  (DS_AssociationTypeCode) crossReference
            initiativeType:  (DS_InitiativeTypeCode) collection
        spatialRepresentationType:  (MD_SpatialRepresentationTypeCode) point
        spatialResolution: (missing)  (MD_Resolution)
            equivalentScale:
        language:
          LanguageCode:  eng; USA
        characterSet:  (MD_CharacterSetCode) UTF8
        topicCategory:  (MD_TopicCategoryCode) geoscientificInformation
        topicCategory:  (MD_TopicCategoryCode) oceans
        environmentDescription:  Native Dataset Environment: ASCII text
        extent:  (EX_Extent)
            description:  The dataset is nearly global in extent, excluding only the area south of 70 degrees south latitude. Vertically, it includes data both above and below sea level measured in meters. Active compilation of the dataset ceased prior to 1980.
            geographicElement:  (EX_GeographicBoundingBox)
                westBoundLongitude:  -180
                eastBoundLongitude:  180
                southBoundLatitude:  -69
                northBoundLatitude:  76
            temporalElement:  (EX_TemporalExtent)
                extent:
                  TimePeriod:
                    description:  Publication Date
                    beginPosition:  1977-01-01
                    endPosition:  1981-04-30
            verticalElement:  (EX_VerticalExtent)
                minimumValue:
                  Real:  -10924
                maximumValue:
                  Real:  7200
                verticalCRS: (missing)
        supplementalInformation:  A FORTRAN program "KEYBAM" accompanies the data
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    contentInfo:  (MI_CoverageDescription)
        attributeDescription:
          RecordType:  A digital data set containing weight percentages of major and minor elements from igneous rocks.
        contentType:  (MD_CoverageContentTypeCode) point
        dimension:  (MD_Band)
            sequenceIdentifier:
              MemberName:
                aName:  elemental composition
                attributeType: (unknown)
            descriptor:  weight percentage of the sample composed of a given element
            maxValue:
              Real:  0
            minValue:
              Real:  100
            units: (unknown)
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    contentInfo:  (MD_FeatureCatalogueDescription)
        complianceCode:  false
        includedWithDataset:  true
        featureTypes:
          LocalName:
        featureCatalogueCitation:  (CI_Citation)
            title:  Documentation for the PETROS 6.1 5/81 update dataset.
            date:  (CI_Date)
                date:  1981-12-31
                dateType:  (CI_DateTypeCode) creation
            otherCitationDetails:  Entities and attributes are completely described in a text file accompanying the dataset on download.
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    distributionInfo:  (MD_Distribution)
        distributionFormat:  (MD_Format)
            name:  ASCII
            version:  UTF-8
            specification:  American Standard Code for Information Interchange (ASCII) text format.
        distributionFormat:  (MD_Format)
            name:  tar.gz
            version:  unknown
            specification:  compressed Tape ARchive file
        distributor:  (MD_Distributor)
            distributorContact:  distributor - DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
            distributionOrderProcess:  (MD_StandardOrderProcess)
                fees:  free online download
        transferOptions:  (MD_DigitalTransferOptions)
            transferSize:
              Real:  8
            onLine:  (CI_OnlineResource)
                linkage:  https://dx.doi.org/10.7289/V5QN64NM
                protocol:  WWW:LINK-1.0-http--link
                applicationProfile:  Web Browser
                name:  Publisher's landing page
                description:  How to cite this data set (doi:10.7289/V5QN64NM), all access options, and complete documentation.
                function:  (CI_OnLineFunctionCode) information
            onLine:  (CI_OnlineResource)
                linkage:  https://www.ngdc.noaa.gov/mgg/geology/data/g00030/
                protocol:  WWW:LINK-1.0-http--link
                applicationProfile:  Web Browser
                name:  Data files and documentation
                description:  PETROS database including documentation file, data file, and original access instructions.
                function:  (CI_OnLineFunctionCode) download
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
            extent:  #boundingExtent
            levelDescription:  (MD_ScopeDescription)
                dataset:  gov.noaa.ngdc.mgg.geology:G00030
        report:  (DQ_AbsoluteExternalPositionalAccuracy)
            nameOfMeasure:  Horizontal Positional Accuracy
            measureDescription: (unknown)
            evaluationMethodDescription:  The horizontal accuracy of data values is one degree of latitude/longitude.
            result: (unknown)
        report:  (DQ_QuantitativeAttributeAccuracy)
            nameOfMeasure:  Reliability
            measureDescription:  The aim in developing PETROS was to compile as complete a listing as possible of major element igneous rock analyses for selected geographic areas and petrologic provinces. Sources used include published works, theses, and in a few cases, unpublished analytical data, all of which are referenced in the bibliography. Generally, only those analyses which included determinations of at least 9 major oxides were accepted. In compiling PETROS, as few analyses as possible were rejected, allowing data bank users to exercise their own judgment on data values.
            evaluationMethodDescription:  Some quality control was exercised by the originator, and duplicate analyses, where possible, were eliminated. NGDC performed basic out-of-range location testing.
            result: (unknown)
        lineage:  (LI_Lineage)
            statement:  Multiple versions of PETROS were archived, version 6.1 was the final, authoritative version from the author. Receive on nine track magnetic tape in EBCDIC as one file, 80 character records blocked to 4000 characers, A total of 127,700 records, 37,300 analyses (4,512 ocean samples) replacing PETROS version 4.1.
            processStep:  (LI_ProcessStep)
                description:  Received data from originator via mail
                dateTime:
                  DateTime:  1981-05-15T00:00:00
            source:  (LI_Source)
                description:  Dr. Felix E. Mutschler, Eastern Washington State University
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    dataQualityInfo:  NCEI repository history
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) notPlanned
        dateOfNextUpdate:  2016-12-31
        maintenanceNote:  Metadata Review Date: 2016-12-31
        maintenanceNote:  This record was automatically modified on 2015-11-05 to include references to NCEI where applicable.
        contact:  custodian - DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  In Situ/Laboratory Instruments
        platform:  In Situ Ocean-based Platforms > SHIPS