@prefix iop: <https://w3id.org/iadopt/ont/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ex: <http://example.org/iadopt/challenge/> .
@prefix sosa: <http://www.w3.org/ns/sosa/> .
@prefix uom: <http://www.ontology-of-units-of-measure.org/resource/om-2/> .
@prefix iopp: <https://w3id.org/iadopt/pattern/> .
@prefix patt: <http://example.org/iadopt/pattern> .

ex:C11
    a 
        iop:Variable ;
    rdfs:label 
        "Strike of bedding" ;
    rdfs:comment 
        """Geographic azimuth (relative to true north) at a point observation location, of a horizontal line contained in a sedimentary rock bedding surface. The bedding surface must not be horizontal; the azimuth is reported such that the dip direction of the inclined bedding is to the right when facing in the azimuth direction.""" ;
    ex:issue "https://github.com/mabablue/I-ADOPT-examples-playground/issues/17" ; 
    iop:hasObjectOfInterest 
        _:b0 ;
    iop:hasMatrix 
        <https://www.wikidata.org/entity/Q82480> ;
    iop:hasProperty 
        <https://qudt.org/vocab/quantitykind/PlaneAngle> .

_:b0
    a 
        iop:Entity ,
        iop:SymmetricSystem ;
    iop:hasPart 
        _:b1 ,
        <https://vocab.nerc.ac.uk/collection/S20/current/S2000002/> .

<https://www.wikidata.org/entity/Q82480>
    a 
        iop:Entity ;
    rdfs:label 
        "sedimentary rock" .

<https://qudt.org/vocab/quantitykind/PlaneAngle>
    a 
        iop:Property ;
    rdfs:label 
        "plane angle" .

_:b1
    a 
        iop:Entity ;
    rdfs:label 
        "bedding surface line" .

<https://vocab.nerc.ac.uk/collection/S20/current/S2000002/>
    a 
        iop:Entity ;
    rdfs:label 
        "True North" .