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            <gco:CharacterString>Jeu de données rassemblant les informations collectées par les géologues sur le terrain ou dans les archives dans le cadre du Programme de révision de la Carte géologique de Wallonie.

Il reprend les couches suivantes :
- Etat d'avancement : planches de la Carte géologique de Wallonie pour lesquelles les affleurements et sondages sont disponibles.
- Affleurements : observations en surface (carrières, talus ou pointements rocheux) et observations géomorphologiques.
- Sondages : observations sous la surface (forages profonds, puits, sondages à la tarières).
Chaque site est relié à une fiche reprenant les descriptions et interprétations effectuées par les géologues.

Les tracés de la carte géologique sont effectués sur le fond topographique IGN 1/10 000 (ancienne version et ancien découpage - TOP10S; éditions réparties entre 1977 et 1993). La superposition des couches du jeu de données avec un fond IGN inadéquat peut entraîner des incompréhensions géologiques. 

Toutes les infos sur le site du Service géologique de Wallonie (http://geologie.wallonie.be).</gco:CharacterString>
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                  <gco:CharacterString>Ce jeu de données est le résultat de la localisation des sites d'observation tels que les affleurements et les sondages.
Les affleurement sont repérés sur le fond topographique ayant servi au levé et leur localisation lui est donc intimement lié. L'utilisation d'un autre fond peut mener à des incohérences et incompréhensions.
Les sondages géologiques sont localisés par différents moyens de mesures (carte topographique, levé topographique, GPS, ...) en fonction du foreur, de l'âge du sondage, des techniques employées, ...
Ces données sont disponibles partiellement sur le territoire wallon, en fonction de l'état d'avancement du Programme de révision de la Carte géologique de Wallonie.</gco:CharacterString>
               </gmd:statement>
            </gmd:LI_Lineage>
         </gmd:lineage>
      </gmd:DQ_DataQuality>
   </gmd:dataQualityInfo>
</gmd:MD_Metadata>