@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix ns1: <http://purl.org/linked-data/registry#> .
@prefix ns2: <http://data.bgs.ac.uk/ref/Geochronology/> .
@prefix prez: <https://prez.dev/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <https://schema.org/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://data.bgs.ac.uk/id/Geochronology/Division/O> a skos:Concept ;
    rdfs:label "Ordovician Period"@en ;
    ns2:hasGeochronologyRank <http://data.bgs.ac.uk/id/Geochronology/Rank/PERIOD> ;
    ns2:maxAgeValue 4.869e+02 ;
    ns2:minAgeValue 4.431e+02 ;
    dcterms:identifier "Division:O"^^prez:identifier ;
    dcterms:source "http://data.bgs.ac.uk/ref/Geochronology/Division"^^xsd:anyURI ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    rdfs:seeAlso <http://dbpedia.org/resource/Ordovician>,
        <http://www.bbc.co.uk/nature/history_of_the_earth/Ordovician> ;
    skos:broader <http://data.bgs.ac.uk/id/Geochronology/Division/RE> ;
    skos:definition "Ordovician Period is the second of the six periods of the Paleozoic Era. It is preceded by the Cambrian Period and succeeded by the Silurian Period (Geologic Time Scale 2020, figs. 2.1, 20.1; https://timescalefoundation.org/)."@en ;
    skos:exactMatch <http://resource.geosciml.org/classifier/ics/ischart/Ordovician>,
        <https://inspire.ec.europa.eu/codelist/GeochronologicEraValue/ordovician> ;
    skos:inScheme ns2:Division ;
    skos:narrower <http://data.bgs.ac.uk/id/Geochronology/Division/O1>,
        <http://data.bgs.ac.uk/id/Geochronology/Division/O4>,
        <http://data.bgs.ac.uk/id/Geochronology/Division/OA>,
        <http://data.bgs.ac.uk/id/Geochronology/Division/OE>,
        <http://data.bgs.ac.uk/id/Geochronology/Division/OEA>,
        <http://data.bgs.ac.uk/id/Geochronology/Division/OLA>,
        <http://data.bgs.ac.uk/id/Geochronology/Division/OMD>,
        <http://data.bgs.ac.uk/id/Geochronology/Division/OR> ;
    skos:notation "O"@en ;
    skos:prefLabel "Ordovician Period"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:O" ;
    schema:color "#009270" .

ns2:Rank dcterms:identifier "gchrnlgy:Rank"^^prez:identifier ;
    skos:definition "Dictionary to constrain ranks of geochronological intervals used in Geochronology/Division (source table DIC_GEOCHRON). E.g. Eon; Era; Period; Epoch; Age."@en ;
    skos:prefLabel "Geochronology Rank"@en .

ns2:hasGeochronologyRank rdfs:label "rank"@en .

ns2:maxAgeValue rdfs:label "maximum age in millions of years before present"@en .

ns2:minAgeValue rdfs:label "minimum age in millions of years before present"@en .

dcterms:description rdfs:label "Description"@en ;
    dcterms:description "Description may include but is not limited to: an abstract, a table of contents, a graphical representation, or a free-text account of the resource."@en .

dcterms:identifier rdfs:label "Identifier"@en ;
    dcterms:description "Recommended practice is to identify the resource by means of a string conforming to an identification system. Examples include International Standard Book Number (ISBN), Digital Object Identifier (DOI), and Uniform Resource Name (URN).  Persistent identifiers should be provided as HTTP URIs."@en .

dcterms:source rdfs:label "Source"@en ;
    dcterms:description "This property is intended to be used with non-literal values. The described resource may be derived from the related resource in whole or in part. Best practice is to identify the related resource by means of a URI or a string conforming to a formal identification system."@en .

ns1:status rdfs:label "Status"@en .

rdf:type rdfs:label "Type"@en .

rdfs:label rdfs:label "label" .

rdfs:seeAlso rdfs:label "seeAlso" .

skos:broader rdfs:label "has broader"@en ;
    skos:definition "Relates a concept to a concept that is more general in meaning."@en .

skos:definition rdfs:label "definition"@en ;
    skos:definition "A statement or formal explanation of the meaning of a concept."@en .

skos:exactMatch rdfs:label "has exact match"@en ;
    skos:definition "skos:exactMatch is used to link two concepts, indicating a high degree of confidence that the concepts can be used interchangeably across a wide range of information retrieval applications. skos:exactMatch is a transitive property, and is a sub-property of skos:closeMatch."@en .

skos:inScheme rdfs:label "is in scheme"@en ;
    skos:definition "Relates a resource (for example a concept) to a concept scheme in which it is included."@en .

skos:narrower rdfs:label "has narrower"@en ;
    skos:definition "Relates a concept to a concept that is more specific in meaning."@en .

skos:notation rdfs:label "notation"@en ;
    skos:definition "A notation, also known as classification code, is a string of characters such as \"T58.5\" or \"303.4833\" used to uniquely identify a concept within the scope of a given concept scheme."@en .

skos:prefLabel rdfs:label "preferred label"@en ;
    skos:definition "The preferred lexical label for a resource, in a given language."@en .

<https://linked.data.gov.au/def/reg-statuses> dcterms:identifier "defn:reg-statuses"^^prez:identifier ;
    skos:definition """This vocabulary is a re-published and only marginally changed version of the Registry Ontology's (http://epimorphics.com/public/vocabulary/Registry.html) *Status* vocabulary (online in RDF: http://purl.org/linked-data/registry). The only real change to content has been the addition of the term `unstable`. This re-publication has been performed to allow the IRIs of each vocab term (skos:Concept) to resolve to both human-readable and machine-readable forms of content (HTML and RDF), using HTTP content negotiation.

Note that just like the original form of this vocabulary, while it is a SKOS vocabulary implemented as a single skos:ConceptScheme, it is also an OWL Ontology and that each *Status* is both a skos:Concept and a reg:Status individual."""@en ;
    skos:prefLabel "Registry Status Vocabulary"@en .

prez:link rdfs:label "link" .

schema:color rdfs:label "color" .

<http://data.bgs.ac.uk/id/Geochronology/Division/O1> rdfs:label "Tremadoc Series"@en ;
    dcterms:identifier "Division:O1"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Tremadoc Series is the first of five series in the British regional Ordovician stratigraphic scheme. It is succeeded by the Arenig Series (Geologic Time Scale 2020, fig. 20.12)."@en ;
    skos:prefLabel "Tremadoc Series"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:O1" ;
    schema:color "#33A97E" .

<http://data.bgs.ac.uk/id/Geochronology/Division/O4> rdfs:label "Caradoc Series"@en ;
    dcterms:identifier "Division:O4"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Caradoc Series is the fourth of five series in the British regional Ordovician stratigraphic scheme. It is preceded by the Llanvirn Series and succeeded by the Ashgill Series (Geologic Time Scale 2020, fig. 20.12)."@en ;
    skos:prefLabel "Caradoc Series"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:O4" .

<http://data.bgs.ac.uk/id/Geochronology/Division/OA> rdfs:label "Ashgill Series"@en ;
    dcterms:identifier "Division:OA"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Ashgill Series is the last of five series in the British regional Ordovician stratigraphic scheme. It is preceded by the Caradoc Series (Geologic Time Scale 2020, fig. 20.12)."@en ;
    skos:prefLabel "Ashgill Series"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:OA" .

<http://data.bgs.ac.uk/id/Geochronology/Division/OE> rdfs:label "Llanvirn Series"@en ;
    dcterms:identifier "Division:OE"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Llanvirn Series is the third of five series in the British regional Ordovician stratigraphic scheme. It is preceded by the Arenig Series and succeeded by the Caradoc Series (Geologic Time Scale 2020, fig. 20.12)."@en ;
    skos:prefLabel "Llanvirn Series"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:OE" .

<http://data.bgs.ac.uk/id/Geochronology/Division/OEA> rdfs:label "Early Ordovician Epoch"@en ;
    dcterms:identifier "Division:OEA"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Early Ordovician Epoch is the first of the three epochs of the Ordovician Period. It is preceded by the Furongian Epoch (Cambrian Period) and succeeded by the Mid Ordovician Epoch (Geologic Time Scale 2020, figs. 2.1, 20.1; https://timescalefoundation.org/)."@en ;
    skos:prefLabel "Early Ordovician Epoch"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:OEA" ;
    schema:color "#1A9D6F" .

<http://data.bgs.ac.uk/id/Geochronology/Division/OLA> rdfs:label "Late Ordovician Epoch"@en ;
    dcterms:identifier "Division:OLA"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Late Ordovician Epoch is the last of the three epochs of the Ordovician Period. It is preceded by the Mid Ordovician Epoch and succeeded by the Llandovery Epoch (Silurian Period) (Geologic Time Scale 2020, figs. 2.1, 20.1; https://timescalefoundation.org/)."@en ;
    skos:prefLabel "Late Ordovician Epoch"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:OLA" ;
    schema:color "#7FCA93" .

<http://data.bgs.ac.uk/id/Geochronology/Division/OMD> rdfs:label "Mid Ordovician Epoch"@en ;
    dcterms:identifier "Division:OMD"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Mid Ordovician Epoch is the second of the three epochs of the Ordovician Period. It is preceded by the Early Ordovician Epoch and succeeded by the Late Ordovician Epoch (Geologic Time Scale 2020, figs. 2.1, 20.1; https://timescalefoundation.org/)."@en ;
    skos:prefLabel "Mid Ordovician Epoch"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:OMD" ;
    schema:color "#4DB47E" .

<http://data.bgs.ac.uk/id/Geochronology/Division/OR> rdfs:label "Arenig Series"@en ;
    dcterms:identifier "Division:OR"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Arenig Series is the second of five series in the British regional Ordovician stratigraphic scheme. It is preceded by the Tremadoc Series and succeeded by the Llanvirn Series (Geologic Time Scale 2020, fig. 20.12)."@en ;
    skos:prefLabel "Arenig Series"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:OR" .

<http://data.bgs.ac.uk/id/Geochronology/Division/RE> rdfs:label "Early Paleozoic"@en ;
    dcterms:identifier "Division:RE"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Early Paleozoic is the first of two informal subdivisions of the Paleozoic Era. It includes the Cambrian, Ordovician and Silurian periods of the international standard stratigraphic scheme."@en ;
    skos:prefLabel "Early Paleozoic"@en ;
    prez:link "/v/vocab/gchrnlgy:Division/Division:RE" .

<http://data.bgs.ac.uk/id/Geochronology/Rank/PERIOD> rdfs:label "Period"@en ;
    dcterms:identifier "Rank:PERIOD"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Period is a subdivision of an era, e.g. Jurassic Period. The chronostratigraphical equivalent is System."@en ;
    skos:prefLabel "Period"@en ;
    prez:link "/v/vocab/gchrnlgy:Rank/Rank:PERIOD" .

ns2:Division dcterms:identifier "gchrnlgy:Division"^^prez:identifier ;
    ns1:status <https://linked.data.gov.au/def/reg-statuses/stable> ;
    skos:definition "Divisions of geological time from source table DIC_GEOCHRON. The BGS Geochronology Dataset is based on The Geologic Time Scale 2012 by F M Gradstein, J G Ogg, M Schmitz and G Ogg (2012), with additions. The result is a composite geological time scale that will be updated as improved timescales become available."@en ;
    skos:prefLabel "Geochronology Division"@en ;
    prez:link "/v/vocab/gchrnlgy:Division" .

skos:Concept rdfs:label "Concept"@en ;
    skos:definition "An idea or notion; a unit of thought."@en .

<https://linked.data.gov.au/def/reg-statuses/stable> dcterms:identifier "rstatus:stable"^^prez:identifier ;
    skos:definition "An entry that is seen as having a reasonable measure of stability, may be used to mark the full adoption of a previously 'experimental' entry."@en ;
    skos:prefLabel "stable"@en ;
    prez:link "/v/vocab/defn:reg-statuses/rstatus:stable" ;
    schema:color "#2e8c09" .