gml:PrimeMeridianPropertyType is a property type for association roles to a prime meridian, either referencing or containing the definition of that meridian.
<complexType name="PrimeMeridianPropertyType"><annotation><documentation>gml:PrimeMeridianPropertyType is a property type for association roles to a prime meridian, either referencing or containing the definition of that meridian.</documentation></annotation><sequence minOccurs="0"><element ref="gml:PrimeMeridian"/></sequence><attributeGroup ref="gml:AssociationAttributeGroup"/></complexType>