<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1J00.sch" 
            schematypens="http://purl.oclc.org/dsdl/schematron"?>

<Product_Ancillary xmlns="http://pds.nasa.gov/pds4/pds/v1"
    xmlns:pds="http://pds.nasa.gov/pds4/pds/v1"
    xmlns:ody="http://pds.nasa.gov/pds4/mission/ody/v1"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1 https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1J00.xsd">
    <Identification_Area>
        <logical_identifier>urn:nasa:pds:odyssey_grs_elements:miscellaneous:index</logical_identifier>
        <version_id>1.0</version_id>
        <title>Mars Odyssey GRS Elements PDS3 Index Table</title>
        <information_model_version>1.19.0.0</information_model_version>
        <product_class>Product_Ancillary</product_class>
        <Modification_History>
            <Modification_Detail>
                <modification_date>2026-10-01</modification_date>
                <version_id>1.0</version_id>
                <description>Initial version</description>
            </Modification_Detail>
        </Modification_History>
    </Identification_Area>
    <Context_Area>
        <Investigation_Area>
            <name>MARS Odyssey</name>
            <type>Mission</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:investigation:mission.2001_mars_odyssey</lid_reference>
                <reference_type>ancillary_to_investigation</reference_type>
            </Internal_Reference>
        </Investigation_Area>
        <Observing_System>
            <Observing_System_Component>
                <name>2001 MARS ODYSSEY</name>
                <type>Host</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.ody</lid_reference>
                    <reference_type>is_instrument_host</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>GAMMA RAY SPECTROMETER</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:ody.grs</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>HIGH ENERGY NEUTRON DETECTOR</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:ody.hend</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
            <Observing_System_Component>
                <name>NEUTRON SPECTROMETER</name>
                <type>Instrument</type>
                <Internal_Reference>
                    <lid_reference>urn:nasa:pds:context:instrument:ody.ns</lid_reference>
                    <reference_type>is_instrument</reference_type>
                </Internal_Reference>
            </Observing_System_Component>
        </Observing_System>
        <Target_Identification>
            <name>Mars</name>
            <type>Planet</type>
            <Internal_Reference>
                <lid_reference>urn:nasa:pds:context:target:planet.mars</lid_reference>
                <reference_type>ancillary_to_target</reference_type>
            </Internal_Reference>
        </Target_Identification>
    </Context_Area>
   <File_Area_Ancillary>
       <File>
           <file_name>index.tab</file_name>
           <comment>This index file lists information
                about each of the Odyssey GRS element concentration products contained in
                this archive.</comment>
       </File>
       <Table_Character>
           <name>Odyssey GRS Elements PDS3 Index Table</name>
           <offset unit="byte">0</offset>
           <records>24</records>
           <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
           <Record_Character>
               <fields>11</fields>
               <groups>0</groups>
               <record_length unit="byte">225</record_length>
               <Field_Character>
                   <name>volume_id</name>
                   <field_number>1</field_number>
                   <field_location unit="byte">2</field_location>
                   <data_type>ASCII_String</data_type>
                   <field_length unit="byte">10</field_length>
                   <description>The volume on which a data product is stored.</description>
               </Field_Character>
               <Field_Character>
                   <name>path_name</name>
                   <field_number>2</field_number>
                   <field_location unit="byte">15</field_location>
                   <data_type>ASCII_String</data_type>
                   <field_length unit="byte">22</field_length>
                   <description>The full directory path to the file 
                       relative to the volume root directory.</description>
               </Field_Character>
               <Field_Character>
                   <name>file_name</name>
                   <field_number>3</field_number>
                   <field_location unit="byte">40</field_location>
                   <data_type>ASCII_String</data_type>
                   <field_length unit="byte">31</field_length>
                   <description>The name of the file containing a data product's PDS label.</description>
               </Field_Character>
               <Field_Character>
                   <name>product_id</name>
                   <field_number>4</field_number>
                   <field_location unit="byte">74</field_location>
                   <data_type>ASCII_String</data_type>
                   <field_length unit="byte">16</field_length>
                   <description>Unique identifier for a GRS special product.</description>
               </Field_Character>
               <Field_Character>
                   <name>product_type</name>
                   <field_number>5</field_number>
                   <field_location unit="byte">93</field_location>
                   <data_type>ASCII_String</data_type>
                   <field_length unit="byte">27</field_length>
                   <description>Type of GRS special product.</description>
               </Field_Character>
               <Field_Character>
                   <name>product_creation_time</name>
                   <field_number>6</field_number>
                   <field_location unit="byte">122</field_location>
                   <data_type>ASCII_Date_Time_YMD</data_type>
                   <field_length unit="byte">23</field_length>
                   <description>UTC date and time that a product 
                       was created, in the format 
                       yyyy-mm-ddThh:mm:ss.sss</description>
               </Field_Character>
               <Field_Character>
                   <name>product_version_id</name>
                   <field_number>7</field_number>
                   <field_location unit="byte">147</field_location>
                   <data_type>ASCII_String</data_type>
                   <field_length unit="byte">4</field_length>
                   <description>The version identifier of the product. 
                       The first version of a product is
                       version 1.0. If the product is revised
                       and re-released, the version ID is 
                       incremented.</description>
               </Field_Character>
               <Field_Character>
                   <name>mission_phase_name</name>
                   <field_number>8</field_number>
                   <field_location unit="byte">154</field_location>
                   <data_type>ASCII_String</data_type>
                   <field_length unit="byte">10</field_length>
                   <description>Common identifier for a given phase
                       of the mission.</description>
               </Field_Character>
               <Field_Character>
                   <name>target_name</name>
                   <field_number>9</field_number>
                   <field_location unit="byte">167</field_location>
                   <data_type>ASCII_String</data_type>
                   <field_length unit="byte">8</field_length>
                   <description>Planetary body that is the target of
                       observation; e.g., MARS.</description>
               </Field_Character>
               <Field_Character>
                   <name>start_time</name>
                   <field_number>10</field_number>
                   <field_location unit="byte">177</field_location>
                   <data_type>ASCII_Date_Time_YMD</data_type>
                   <field_length unit="byte">23</field_length>
                   <description>UTC date and time at the beginning
                       of data acquisition for this product, 
                       in the format yyyy-mm-ddThh:mm:ss.sss.</description>
               </Field_Character>
               <Field_Character>
                   <name>stop_time</name>
                   <field_number>11</field_number>
                   <field_location unit="byte">201</field_location>
                   <data_type>ASCII_Date_Time_YMD</data_type>
                   <field_length unit="byte">23</field_length>
                   <description>UTC date and time at the end of
                       data acquisition for this product, 
                       in the format yyyy-mm-ddThh:mm:ss.sss.</description>
               </Field_Character>
           </Record_Character>
       </Table_Character>
   </File_Area_Ancillary>
    <File_Area_Ancillary>
        <File>
            <file_name>index.lbl</file_name>
        </File>
        <Stream_Text>
            <offset unit="byte">0</offset>
            <parsing_standard_id>PDS3</parsing_standard_id>
            <description>PDS3 label</description>
            <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
        </Stream_Text>
    </File_Area_Ancillary>
</Product_Ancillary>