Class <<Type>> TimeOrdinalEra

The association of an era with a stratotype is optional. In the GSSP approach recommended by ICS for the Global Geologic Timescale, Unit Stratotypes are not used. Rather, the association of an Era with geologic units and sections is indirect, via the association of an era with Boundaries, which are in turn tied to Stratotype Points, which occur within host Stratotype Sections.
Note that the "German School" defines stratigraphic eras conceptually, without reference to stratotypes.

Local Subclasses: GeochronologicEra

Attributes

Name Type Bounds From Class Notes
 

Outbound Associations

Name Type Multiplicity From Class Notes
start TimeOrdinalEraBoundary 1 TimeOrdinalEra Older time boundary of an era
Association tagged values
Tag Value
sequenceNumber 2
nillable True
end TimeOrdinalEraBoundary 1 TimeOrdinalEra Younger time boundary of an era
Association tagged values
Tag Value
sequenceNumber 3
nillable True
member TimeOrdinalEra 0..* TimeOrdinalEra
Association tagged values
Tag Value
sequenceNumber 5
 

Constraints

Constraint Type Status Weight
 

Tagged values

Tag Value Notes
byValuePropertyType false Values: false
Default: false
Description: Create a property type that requires that the instance is encoded inline (applies to ISO 19136:2007 encoding rule). Always set to false in INSPIRE.
isCollection false Values: true | false
Default: false
Description: Identifies the type as an object collection.
noPropertyType false Values: false
Default: false
Description: Surpress creation of a standard property type that supports inline or by-reference encoding (applies to ISO 19136:2007 encoding rule). Always set to false in INSPIRE.
xsdEncodingRule iso19136_2007 Values: iso19136_2007 | iso19139_2007 | iso19136_2007_INSPIRE_Extensions
Default: iso19136_2007
Description: XML Schema encoding rule to apply
 

GML-conformant XML Implementation Details

<xs:element xmlns:xs="http://www.w3.org/2001/XMLSchema" name="TimeOrdinalEra" substitutionGroup="gml:AbstractGML" type="gsmltrs:TimeOrdinalEraType">

    <xs:annotation>

        <xs:documentation>The association of an era with a stratotype is optional.  In the GSSP approach recommended by ICS for the Global Geologic Timescale, Unit Stratotypes are not used.  Rather, the association of an Era with geologic units and sections is indirect, via the association of an era with Boundaries, which are in turn tied to Stratotype Points, which occur within host Stratotype Sections. 

Note that the "German School" defines stratigraphic eras conceptually, without reference to stratotypes.</xs:documentation>

    </xs:annotation>

</xs:element>
<xs:complexType xmlns:xs="http://www.w3.org/2001/XMLSchema" name="TimeOrdinalEraType">

    <xs:complexContent>

        <xs:extension base="gml:AbstractGMLType">

            <xs:sequence>

                <xs:element name="start" type="gsmltrs:TimeOrdinalEraBoundaryPropertyType" nillable="true"/>

                <xs:element name="end" type="gsmltrs:TimeOrdinalEraBoundaryPropertyType" nillable="true"/>

                <xs:element maxOccurs="unbounded" minOccurs="0" name="member" type="gsmltrs:TimeOrdinalEraPropertyType"/>

            </xs:sequence>

        </xs:extension>

    </xs:complexContent>

</xs:complexType>
<xs:complexType xmlns:xs="http://www.w3.org/2001/XMLSchema" name="TimeOrdinalEraPropertyType">

    <xs:sequence minOccurs="0">

        <xs:element ref="gsmltrs:TimeOrdinalEra"/>

    </xs:sequence>

    <xs:attributeGroup ref="gml:AssociationAttributeGroup"/>

    <xs:attributeGroup ref="gml:OwnershipAttributeGroup"/>

</xs:complexType>