gml http://www.opengis.net/gml gsml http://www.cgi-iugs.org/xml/GeoSciML/2 MappedFeaturePropertyfile directory file:./ mappedPolygons.oasis.xml commonSchemas_new/GeoSciML/geosciml.xsd MappedFeaturePropertyfile MappedFeaturePropertyfile gsml:MappedFeature gsml:MappedFeature gml:name LEX_D codeSpace 'urn:cgi:classifierScheme:GSV:GeologicalUnitLabel' gsml:specification GEOLOGIC_UNIT_ID gsml:GeologicUnit gml:name[3]