<xs:element name="AnalysisDateTime">
  <xs:annotation>
    <xs:documentation>When the analysis was carried out</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="ExactDate" type="abcd:DateTime" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Uses DateTime element from ABCD</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="DateText" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Free text to allow for vague dates or description of analysis period.</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="ExactDate" type="abcd:DateTime" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Uses DateTime element from ABCD</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="DateText" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text to allow for vague dates or description of analysis period.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AnalysisReferences">
  <xs:annotation>
    <xs:documentation>Container for 1 or more references related to the analysis</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="AnalysisReference" type="abcd:Reference" maxOccurs="unbounded">
        <xs:annotation>
          <xs:documentation>Individual documentary reference linked to an analysis. Uses abcd:Reference Type</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="AnalysisReference" type="abcd:Reference" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>Individual documentary reference linked to an analysis. Uses abcd:Reference Type</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="Certainty" type="xs:string">
  <xs:annotation>
    <xs:documentation>Degree of certainty associated with the date determination e.g. unknown, certain, uncertain, possibly, known wrong.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="DatingQualifier" type="xs:string">
  <xs:annotation>
    <xs:documentation>Allows for qualification of date terms e.g. early/lower, middle, late/upper</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="IdentificationAnalysis" type="efg:IdentificationAnalysisType">
  <xs:annotation>
    <xs:documentation>container for analytical techniques employed for identifying a mineral or rock. Note that this differs from the existing Measurement element in that it allows for multiple values to be obtained from a single analysis e.g. percentage values of elements in a mineral.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="NamedGeologicalFeature" type="xs:string">
  <xs:annotation>
    <xs:documentation>The name for a geologic feature that is not a placename e.g. 'The Great Whin Sill', 'Bodmin Granite' or 'The Great Glen Fault'. Many landscape scale geologic and geomorphic features have names.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="StratigraphicMeasurementsOrFacts">
  <xs:annotation>
    <xs:documentation>Container element for multiple measurements (e.g. thickness, dip etc.) or facts (e.g. this bed was first identified by Charles Moore as the Reptile and Fish Bed from which he obtained Nothosaurus). This element contains the standard schema complex type MeasurementOrFact.</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="StratigraphicMeasurementOrFact" type="abcd:MeasurementOrFact" maxOccurs="unbounded">
        <xs:annotation>
          <xs:documentation>Container for single instance of complex type MeasurementOrFact</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="StratigraphicMeasurementOrFact" type="abcd:MeasurementOrFact" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>Container for single instance of complex type MeasurementOrFact</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:complexType name="AllocthonousMaterialType">
  <xs:annotation>
    <xs:documentation>Container for descriptive elements related to transported material ranging from glacial erratics to meteorites</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element name="PlaceOfOrigin" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The place of origin for material that has been transported during its history e.g. glacial erratics and meteorites</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="ModeOfTransport" type="xs:string">
      <xs:annotation>
        <xs:documentation>How the material was transported e.g. glacier, turbidity current, meteorite etc.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="OriginalStratigraphy" minOccurs="0">
      <xs:annotation>
        <xs:documentation>The original stratigraphic associations of allocthonous material e.g. a Devonian erratic obtained from a Pleistocene tillite.</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:sequence>
          <xs:element name="StratigraphicComment" type="xs:string" minOccurs="0">
            <xs:annotation>
              <xs:documentation>Free text comments relating to the straigraphy</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="StratigraphicAttributions" type="efg:StratigraphicAttributionsType"/>
          <xs:element name="StratigraphicReferences" minOccurs="0">
            <xs:annotation>
              <xs:documentation>Container for any documentary references relating to the stratigraphy</xs:documentation>
            </xs:annotation>
            <xs:complexType>
              <xs:sequence>
                <xs:element name="StratigraphicReference" type="abcd:Reference" maxOccurs="unbounded">
                  <xs:annotation>
                    <xs:documentation>Details of individual documentary references to the straigraphy </xs:documentation>
                  </xs:annotation>
                </xs:element>
              </xs:sequence>
            </xs:complexType>
          </xs:element>
        </xs:sequence>
      </xs:complexType>
    </xs:element>
  </xs:sequence>
</xs:complexType>

<xs:element name="PlaceOfOrigin" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The place of origin for material that has been transported during its history e.g. glacial erratics and meteorites</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="ModeOfTransport" type="xs:string">
  <xs:annotation>
    <xs:documentation>How the material was transported e.g. glacier, turbidity current, meteorite etc.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="OriginalStratigraphy" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The original stratigraphic associations of allocthonous material e.g. a Devonian erratic obtained from a Pleistocene tillite.</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="StratigraphicComment" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Free text comments relating to the straigraphy</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="StratigraphicAttributions" type="efg:StratigraphicAttributionsType"/>
      <xs:element name="StratigraphicReferences" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Container for any documentary references relating to the stratigraphy</xs:documentation>
        </xs:annotation>
        <xs:complexType>
          <xs:sequence>
            <xs:element name="StratigraphicReference" type="abcd:Reference" maxOccurs="unbounded">
              <xs:annotation>
                <xs:documentation>Details of individual documentary references to the straigraphy </xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="StratigraphicComment" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text comments relating to the straigraphy</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="StratigraphicAttributions" type="efg:StratigraphicAttributionsType"/>

<xs:element name="StratigraphicReferences" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Container for any documentary references relating to the stratigraphy</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="StratigraphicReference" type="abcd:Reference" maxOccurs="unbounded">
        <xs:annotation>
          <xs:documentation>Details of individual documentary references to the straigraphy </xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="StratigraphicReference" type="abcd:Reference" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>Details of individual documentary references to the straigraphy </xs:documentation>
  </xs:annotation>
</xs:element>

<xs:complexType name="AlterationType">
  <xs:annotation>
    <xs:documentation>Container for describing metasomatic, metamorphic or diagentic changes to units</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element name="AlterationType" type="xs:string">
      <xs:annotation>
        <xs:documentation>Free text describing the type of change that has taken place e.g. chloritisation, migmatisation, cataclastic brecciation etc.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="AlterationDegree" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Free text describing the degree of alteration or metamorphic phase that has affected a rock. [This element may need to be split into hydrothermal mineralogical change and metamorphic phases]</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="ShockMetamorphicGrade" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Free text for describing the type of alteration caused by impact, as in meteorites. Also called shock stage.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="DiageneticChange" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Free text for describing any physical and chemical changes that took place in a sediment during the lithification process e.g. compaction, cementation, recrystallisation, dolomitisation and replacement.</xs:documentation>
      </xs:annotation>
    </xs:element>
  </xs:sequence>
</xs:complexType>

<xs:element name="AlterationType" type="xs:string">
  <xs:annotation>
    <xs:documentation>Free text describing the type of change that has taken place e.g. chloritisation, migmatisation, cataclastic brecciation etc.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AlterationDegree" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text describing the degree of alteration or metamorphic phase that has affected a rock. [This element may need to be split into hydrothermal mineralogical change and metamorphic phases]</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="ShockMetamorphicGrade" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text for describing the type of alteration caused by impact, as in meteorites. Also called shock stage.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="DiageneticChange" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text for describing any physical and chemical changes that took place in a sediment during the lithification process e.g. compaction, cementation, recrystallisation, dolomitisation and replacement.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:complexType name="AnalysisAtomisedType">
  <xs:annotation>
    <xs:documentation>Container for elements describing an analysis such as a chemical analysis of a mineral</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element name="AnalysisMethod" type="xs:string">
      <xs:annotation>
        <xs:documentation>Analytical method used e.g. x-ray diffraction, electron probe, chemical analysis or thin section.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element ref="efg:AnalysisDateTime" minOccurs="0"/>
    <xs:element name="AnalysisBy" type="efg:IdentifiersType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Persons or organisations carrying out the analysis </xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="AnalysisText" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Free text to describe the analysis. This may be of value, for instance, if the mineral has been confirmed by x-ray diffraction but no actual analysis data are given in the analytical results.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element ref="efg:AnalysisReferences" minOccurs="0"/>
    <xs:element name="AnalysisResults">
      <xs:annotation>
        <xs:documentation>Container for multiple values obtained by analysis e.g. percentages of different elements present</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:sequence>
          <xs:element name="AnalysisResult" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation>Individual measurement made during an analysis e.g. the chemical composition of a mineral</xs:documentation>
            </xs:annotation>
            <xs:complexType>
              <xs:sequence>
                <xs:element name="Parameter" type="xs:string">
                  <xs:annotation>
                    <xs:documentation>What the given value refers to e.g. amount of an individual element present in a crystalline structure or it could be chemical formula</xs:documentation>
                  </xs:annotation>
                </xs:element>
                <xs:element name="AppliesTo" type="xs:string" minOccurs="0">
                  <xs:annotation>
                    <xs:documentation>Used to qualify the measurement parameter</xs:documentation>
                  </xs:annotation>
                </xs:element>
                <xs:element name="UnitOfMeasurement" type="xs:string">
                  <xs:annotation>
                    <xs:documentation>The scale used for measurements in the analysis e.g. % for amounts or RI for refractive index.</xs:documentation>
                  </xs:annotation>
                </xs:element>
                <xs:element name="LowerValue" type="xs:string">
                  <xs:annotation>
                    <xs:documentation>Lower value of a range or single value. This can be expressed as a measured value e.g. 45% or as a chemical formula e.g. NaCl</xs:documentation>
                  </xs:annotation>
                </xs:element>
                <xs:element name="UpperValue" type="xs:string" minOccurs="0">
                  <xs:annotation>
                    <xs:documentation>Higher value or upper limit of range of values</xs:documentation>
                  </xs:annotation>
                </xs:element>
                <xs:element name="Accuracy" type="xs:string" minOccurs="0">
                  <xs:annotation>
                    <xs:documentation>experimental degree of eror e.g. +/- 5%</xs:documentation>
                  </xs:annotation>
                </xs:element>
                <xs:element name="AnalysisResultComment" type="xs:string" minOccurs="0">
                  <xs:annotation>
                    <xs:documentation>Free text comment relating to the analysis results</xs:documentation>
                  </xs:annotation>
                </xs:element>
              </xs:sequence>
            </xs:complexType>
          </xs:element>
        </xs:sequence>
      </xs:complexType>
    </xs:element>
  </xs:sequence>
</xs:complexType>

<xs:element name="AnalysisMethod" type="xs:string">
  <xs:annotation>
    <xs:documentation>Analytical method used e.g. x-ray diffraction, electron probe, chemical analysis or thin section.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AnalysisBy" type="efg:IdentifiersType" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Persons or organisations carrying out the analysis </xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AnalysisText" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text to describe the analysis. This may be of value, for instance, if the mineral has been confirmed by x-ray diffraction but no actual analysis data are given in the analytical results.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AnalysisResults">
  <xs:annotation>
    <xs:documentation>Container for multiple values obtained by analysis e.g. percentages of different elements present</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="AnalysisResult" maxOccurs="unbounded">
        <xs:annotation>
          <xs:documentation>Individual measurement made during an analysis e.g. the chemical composition of a mineral</xs:documentation>
        </xs:annotation>
        <xs:complexType>
          <xs:sequence>
            <xs:element name="Parameter" type="xs:string">
              <xs:annotation>
                <xs:documentation>What the given value refers to e.g. amount of an individual element present in a crystalline structure or it could be chemical formula</xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="AppliesTo" type="xs:string" minOccurs="0">
              <xs:annotation>
                <xs:documentation>Used to qualify the measurement parameter</xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="UnitOfMeasurement" type="xs:string">
              <xs:annotation>
                <xs:documentation>The scale used for measurements in the analysis e.g. % for amounts or RI for refractive index.</xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="LowerValue" type="xs:string">
              <xs:annotation>
                <xs:documentation>Lower value of a range or single value. This can be expressed as a measured value e.g. 45% or as a chemical formula e.g. NaCl</xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="UpperValue" type="xs:string" minOccurs="0">
              <xs:annotation>
                <xs:documentation>Higher value or upper limit of range of values</xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="Accuracy" type="xs:string" minOccurs="0">
              <xs:annotation>
                <xs:documentation>experimental degree of eror e.g. +/- 5%</xs:documentation>
              </xs:annotation>
            </xs:element>
            <xs:element name="AnalysisResultComment" type="xs:string" minOccurs="0">
              <xs:annotation>
                <xs:documentation>Free text comment relating to the analysis results</xs:documentation>
              </xs:annotation>
            </xs:element>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="AnalysisResult" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>Individual measurement made during an analysis e.g. the chemical composition of a mineral</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="Parameter" type="xs:string">
        <xs:annotation>
          <xs:documentation>What the given value refers to e.g. amount of an individual element present in a crystalline structure or it could be chemical formula</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="AppliesTo" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Used to qualify the measurement parameter</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="UnitOfMeasurement" type="xs:string">
        <xs:annotation>
          <xs:documentation>The scale used for measurements in the analysis e.g. % for amounts or RI for refractive index.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="LowerValue" type="xs:string">
        <xs:annotation>
          <xs:documentation>Lower value of a range or single value. This can be expressed as a measured value e.g. 45% or as a chemical formula e.g. NaCl</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="UpperValue" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Higher value or upper limit of range of values</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="Accuracy" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>experimental degree of eror e.g. +/- 5%</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="AnalysisResultComment" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Free text comment relating to the analysis results</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="Parameter" type="xs:string">
  <xs:annotation>
    <xs:documentation>What the given value refers to e.g. amount of an individual element present in a crystalline structure or it could be chemical formula</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AppliesTo" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Used to qualify the measurement parameter</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="UnitOfMeasurement" type="xs:string">
  <xs:annotation>
    <xs:documentation>The scale used for measurements in the analysis e.g. % for amounts or RI for refractive index.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="LowerValue" type="xs:string">
  <xs:annotation>
    <xs:documentation>Lower value of a range or single value. This can be expressed as a measured value e.g. 45% or as a chemical formula e.g. NaCl</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="UpperValue" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Higher value or upper limit of range of values</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="Accuracy" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>experimental degree of eror e.g. +/- 5%</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AnalysisResultComment" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text comment relating to the analysis results</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:complexType name="AssociatedFossilAssemblageType">
  <xs:annotation>
    <xs:documentation>Container for list of fossils that form an assemblage. Detailed accounts of any individual taxon should be dealt with under different units.</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element name="AssociatedFossilList" minOccurs="0" maxOccurs="unbounded">
      <xs:annotation>
        <xs:documentation>Container for one or more fossil taxa (including ichnotaxa) that constitute the fossil assemblage associated with the unit being described. Note that highly detailed information on identification or description of the taxa in the assemblage should be treated as separate but related units.</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:sequence>
          <xs:element name="AssociatedFossilName" type="xs:string">
            <xs:annotation>
              <xs:documentation>A single taxon name at any level e.g. trilobite or Dalmanites myops</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="AssociatedFossilComment" type="xs:string" minOccurs="0">
            <xs:annotation>
              <xs:documentation>Free text for describing occurrence of this particular taxon or any of its features.</xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:complexType>
    </xs:element>
    <xs:element name="AssociatedFossilAssemblageText" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Free text for describing the occurrence, form or other features associated with this fossil assemblage e.g. fore-reef community, condensed reworked assemblage, serpulid bioherm with high concentration of gastropods etc.</xs:documentation>
      </xs:annotation>
    </xs:element>
  </xs:sequence>
</xs:complexType>

<xs:element name="AssociatedFossilList" minOccurs="0" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>Container for one or more fossil taxa (including ichnotaxa) that constitute the fossil assemblage associated with the unit being described. Note that highly detailed information on identification or description of the taxa in the assemblage should be treated as separate but related units.</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="AssociatedFossilName" type="xs:string">
        <xs:annotation>
          <xs:documentation>A single taxon name at any level e.g. trilobite or Dalmanites myops</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="AssociatedFossilComment" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Free text for describing occurrence of this particular taxon or any of its features.</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="AssociatedFossilName" type="xs:string">
  <xs:annotation>
    <xs:documentation>A single taxon name at any level e.g. trilobite or Dalmanites myops</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AssociatedFossilComment" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text for describing occurrence of this particular taxon or any of its features.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AssociatedFossilAssemblageText" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text for describing the occurrence, form or other features associated with this fossil assemblage e.g. fore-reef community, condensed reworked assemblage, serpulid bioherm with high concentration of gastropods etc.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:complexType name="AssociatedMineralAssemblageType">
  <xs:annotation>
    <xs:documentation>Reusable type for listing minerals associated with a unit or layer</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element name="AssociatedMineralList" maxOccurs="unbounded">
      <xs:complexType>
        <xs:sequence>
          <xs:element name="AssociatedMineralName" type="xs:string">
            <xs:annotation>
              <xs:documentation>A single mineral name at any level of accuracy e.g. feldspar, pyroxene etc. or orthoclase, olivine, horneblende etc.</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="AssociatedMineralComment" type="xs:string" minOccurs="0">
            <xs:annotation>
              <xs:documentation>Free text for describing the occurrence of this particular mineral or any of its features.</xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:complexType>
    </xs:element>
    <xs:element name="AssociatedMineralAssemblageText" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Free text for describing the features or characteristics of the overall mineral assemblage e.g.typical North Yorkshire primary copper-rich sulphide assemblage with complex secondary alteration products</xs:documentation>
      </xs:annotation>
    </xs:element>
  </xs:sequence>
</xs:complexType>

<xs:element name="AssociatedMineralList" maxOccurs="unbounded">
  <xs:complexType>
    <xs:sequence>
      <xs:element name="AssociatedMineralName" type="xs:string">
        <xs:annotation>
          <xs:documentation>A single mineral name at any level of accuracy e.g. feldspar, pyroxene etc. or orthoclase, olivine, horneblende etc.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="AssociatedMineralComment" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Free text for describing the occurrence of this particular mineral or any of its features.</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="AssociatedMineralName" type="xs:string">
  <xs:annotation>
    <xs:documentation>A single mineral name at any level of accuracy e.g. feldspar, pyroxene etc. or orthoclase, olivine, horneblende etc.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AssociatedMineralComment" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text for describing the occurrence of this particular mineral or any of its features.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="AssociatedMineralAssemblageText" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Free text for describing the features or characteristics of the overall mineral assemblage e.g.typical North Yorkshire primary copper-rich sulphide assemblage with complex secondary alteration products</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:complexType name="BiostratigraphicAttributionsType">
  <xs:annotation>
    <xs:documentation>Container for one or more attributions  or identifications of fossil time zones</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element name="BiostratigraphicAttribution" maxOccurs="unbounded">
      <xs:annotation>
        <xs:documentation>A single declaration of a fossil zone or subzone.</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:sequence>
          <xs:element name="ZonalFossilType" type="xs:string">
            <xs:annotation>
              <xs:documentation>What sort of biozone is being recorded? e.g. what animal or plant group is it based on? (ammonite, brachiopod,coral, plant, foram, nanoplankton etc.)</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="FossilZoneName" type="xs:string">
            <xs:annotation>
              <xs:documentation>The actual name of the biozone. Ideally this should be in its expanded form although common usage tends to abbreviate the generic epithet.</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="FossilSubzoneName" type="xs:string" minOccurs="0">
            <xs:annotation>
              <xs:documentation>The subzone name, if any, this should ideally be in expanded form rather than abbreviated.</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="efg:Certainty" minOccurs="0"/>
          <xs:element name="RangePosition" type="xs:string" minOccurs="0">
            <xs:annotation>
              <xs:documentation>Range position if this attribution is the earliest, midway or latest in a possible range. e.g.  It is not always clear what zone a particular taxon belongs to and therefore a range may be needed.</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="efg:DatingQualifier" minOccurs="0"/>
          <xs:element name="Identifiers" type="efg:IdentifiersType" minOccurs="0" maxOccurs="unbounded"/>
          <xs:element ref="efg:StratigraphicMeasurementsOrFacts" minOccurs="0"/>
        </xs:sequence>
      </xs:complexType>
    </xs:element>
  </xs:sequence>
</xs:complexType>

<xs:element name="BiostratigraphicAttribution" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>A single declaration of a fossil zone or subzone.</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="ZonalFossilType" type="xs:string">
        <xs:annotation>
          <xs:documentation>What sort of biozone is being recorded? e.g. what animal or plant group is it based on? (ammonite, brachiopod,coral, plant, foram, nanoplankton etc.)</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="FossilZoneName" type="xs:string">
        <xs:annotation>
          <xs:documentation>The actual name of the biozone. Ideally this should be in its expanded form although common usage tends to abbreviate the generic epithet.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="FossilSubzoneName" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>The subzone name, if any, this should ideally be in expanded form rather than abbreviated.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element ref="efg:Certainty" minOccurs="0"/>
      <xs:element name="RangePosition" type="xs:string" minOccurs="0">
        <xs:annotation>
          <xs:documentation>Range position if this attribution is the earliest, midway or latest in a possible range. e.g.  It is not always clear what zone a particular taxon belongs to and therefore a range may be needed.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element ref="efg:DatingQualifier" minOccurs="0"/>
      <xs:element name="Identifiers" type="efg:IdentifiersType" minOccurs="0" maxOccurs="unbounded"/>
      <xs:element ref="efg:StratigraphicMeasurementsOrFacts" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="ZonalFossilType" type="xs:string">
  <xs:annotation>
    <xs:documentation>What sort of biozone is being recorded? e.g. what animal or plant group is it based on? (ammonite, brachiopod,coral, plant, foram, nanoplankton etc.)</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="FossilZoneName" type="xs:string">
  <xs:annotation>
    <xs:documentation>The actual name of the biozone. Ideally this should be in its expanded form although common usage tends to abbreviate the generic epithet.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="FossilSubzoneName" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The subzone name, if any, this should ideally be in expanded form rather than abbreviated.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="RangePosition" type="xs:string" minOccurs="0">
  <xs:annotation>
    <xs:documentation>Range position if this attribution is the earliest, midway or latest in a possible range. e.g.  It is not always clear what zone a particular taxon belongs to and therefore a range may be needed.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="Identifiers" type="efg:IdentifiersType" minOccurs="0" maxOccurs="unbounded"/>

<xs:complexType name="ChronostratigraphicAttributionsType">
  <xs:annotation>
    <xs:documentation>container for one or more identified chronostratigraphic dates</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element name="ChronostratigraphicAttribution" maxOccurs="unbounded">
      <xs:annotation>
        <xs:documentation>A single declaration of an identifed chronostratigraphic date</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:sequence>
          <xs:element name="ChronoStratigraphicDivision" type="xs:string">
            <xs:annotation>
              <xs:documentation>Classification level for the term e.g. eon, system, stage etc.</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="ChronostratigraphicName" type="xs:string">
            <xs:annotation>
              <xs:documentation>The formal  geo/chrono chronologic name e.g. Jurassic, Kimmeridgian etc.</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="efg:DatingQualifier" minOccurs="0"/>
          <xs:element ref="efg:Certainty" minOccurs="0"/>
          <xs:element name="RangePosition" minOccurs="0">
            <xs:annotation>
              <xs:documentation>text field to mark if this date is the earlest in a possible range, midway or the latest. May need to be used if there is a possibility of a range of dates.</xs:documentation>
            </xs:annotation>
            <xs:simpleType>
              <xs:restriction base="xs:string"/>
            </xs:simpleType>
          </xs:element>
          <xs:element name="Identifiers" type="efg:IdentifiersType" minOccurs="0"/>
          <xs:element ref="efg:StratigraphicMeasurementsOrFacts" minOccurs="0"/>
        </xs:sequence>
      </xs:complexType>
    </xs:element>
  </xs:sequence>
</xs:complexType>

<xs:element name="ChronostratigraphicAttribution" maxOccurs="unbounded">
  <xs:annotation>
    <xs:documentation>A single declaration of an identifed chronostratigraphic date</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:sequence>
      <xs:element name="ChronoStratigraphicDivision" type="xs:string">
        <xs:annotation>
          <xs:documentation>Classification level for the term e.g. eon, system, stage etc.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="ChronostratigraphicName" type="xs:string">
        <xs:annotation>
          <xs:documentation>The formal  geo/chrono chronologic name e.g. Jurassic, Kimmeridgian etc.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element ref="efg:DatingQualifier" minOccurs="0"/>
      <xs:element ref="efg:Certainty" minOccurs="0"/>
      <xs:element name="RangePosition" minOccurs="0">
        <xs:annotation>
          <xs:documentation>text field to mark if this date is the earlest in a possible range, midway or the latest. May need to be used if there is a possibility of a range of dates.</xs:documentation>
        </xs:annotation>
        <xs:simpleType>
          <xs:restriction base="xs:string"/>
        </xs:simpleType>
      </xs:element>
      <xs:element name="Identifiers" type="efg:IdentifiersType" minOccurs="0"/>
      <xs:element ref="efg:StratigraphicMeasurementsOrFacts" minOccurs="0"/>
    </xs:sequence>
  </xs:complexType>
</xs:element>

<xs:element name="ChronoStratigraphicDivision" type="xs:string">
  <xs:annotation>
    <xs:documentation>Classification level for the term e.g. eon, system, stage etc.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="ChronostratigraphicName" type="xs:string">
  <xs:annotation>
    <xs:documentation>The formal  geo/chrono chronologic name e.g. Jurassic, Kimmeridgian etc.</xs:documentation>
  </xs:annotation>
</xs:element>

<xs:element name="RangePosition" minOccurs="0">
  <xs:annotation>
    <xs:documentation>text field to mark if this date is the earlest in a possible range, midway or the latest. May need to be used if there is a possibility of a range of dates.</xs:documentation>
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction base="xs:string"/>
  </xs:simpleType>
</xs:element>

<xs:element name="Identifiers" type="efg:IdentifiersType" minOccurs="0"/>

<xs:complexType name="EarthScienceSpecimenType">
  <xs:annotation>
    <xs:documentation>Container for details that generally relate to the management of earth science specimens and their individual stratigraphic age (which may be different or more specific than that recorderd for the gathering site or the host rock.</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element name="UnitSize" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Free text fiekd for describing the overall size of the specimen - frequently used information and therefore placed here as a summary. Details should be entered under MeasurementOrFact complex type.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="UnitWeight" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Free text field to enter gross weight of geological specimens.  -  frequently used information and used here as a summary. Details should be entered under MeasurementOrFact complex type</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="Hazard" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Container for describing hazards that may be associated with the specimen e.g. radioactive, toxic, carcinogens etc.</xs:documentation>
      </xs:annotation>
      <xs:complexType>
        <xs:sequence>
          <xs:element name="HazardText" type="xs:string" minOccurs="0">
            <xs:annotation>
              <xs:documentation>Free text describing any hazards that may be associated with the specimen/unit e.g. is it radioactive, poisonous, carcinogenic?</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element name="HazardKeywords" maxOccurs="unbounded">
            <xs:simpleType>
              <xs:restriction base="xs:string">
                <xs:enumeration value="acidic"/>
                <xs:enumeration value="caustic"/>
                <xs:enumeration value="carcinogenic"/>
                <xs:enumeration value="heavy"/>
                <xs:enumeration value="neurotoxin"/>
                <xs:enumeration value="radioactive"/>
                <xs:enumeration value="sharp edges/points"/>
                <xs:enumeration value="toxic"/>
                <xs:enumeration value="unknown"/>
              </xs:restriction>
            </xs:simpleType>
          </xs:element>
        </xs:sequence>
      </xs:complexType>
    </xs:element>
    <xs:element name="RockMineralUsage" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Description of the use to which this mineral or rock has been put e.g. building stone, ore, sculpture, cut gemstone.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="UnitStratigraphicDetermination" type="efg:StratigraphicAttributionsType" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Formal stratigraphic date or correlation for an individual earth science unit (e.g. a single fossil specimen). Use efgGathering for site-related stratigraphy. This allows for individual specimens to be given an exact stratigraphic date and the wider stratigraphy of the site to also be listed.</xs:documentation>
      </xs:annotation>
    </xs:element>
    <xs:element name="StratigraphicDateComment" type="xs:string" minOccurs="0">
      <xs:annotation>
        <xs:documentation>Free text element to allow discussion of geological age of a specimen or observed feature</xs:documentation>
      </xs:annotation>
    </xs:element>
  </xs:sequence>
</xs:complexType>