gml http://www.opengis.net/gml gsml urn:cgi:xmlns:CGI:GeoSciML:2.0 datastore directory file:./ http://www.geosciml.org/geosciml/2.0/xsd/geosciml.xsd datastore gsml_GeologicUnit gsml:GeologicUnit gsml:GeologicUnit ID gml:description DESCRIPTION gml:name[1] NAME codeSpace 'urn:x-test:classifierScheme:TestAuthority:GeologicUnitName' gml:name[2] CODE codeSpace 'urn:x-test:classifierScheme:TestAuthority:GeologicUnitCode' gml:name[3] URN codeSpace 'urn:x-test:classifierScheme:TestAuthority:GeologicUnitId' gsml:occurrence URN gsml:MappedFeature gml:name[2] true