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      <title>terminale chapitre 5 le temps et les roches by guinay mathilde</title>
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      <pubDate>2017-09-26 10:42:13 UTC</pubDate>
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         <title>la datation relative : plus ancien ou plus récent que?</title>
         <author>amguinay</author>
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         <title>la datation absolue</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/827560589</link>
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         <pubDate>2020-10-14 05:29:15 UTC</pubDate>
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         <title></title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/827562565</link>
         <description><![CDATA[<p>échelle stratigraphique des temps géologiques ( EPEE) : un outil de référence pour les géologues</p>]]></description>
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         <pubDate>2020-10-14 05:30:18 UTC</pubDate>
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         <title>des relations géométriques dans les roches permettent de comprendre leur âge relatif</title>
         <author>amguinay</author>
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         <pubDate>2020-10-14 05:37:53 UTC</pubDate>
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         <title>des fossiles stratigraphiques qui permettent de dater relativement une couche par rapport à une autre</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/827579104</link>
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         <pubDate>2020-10-14 05:38:53 UTC</pubDate>
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         <title></title>
         <author>amguinay</author>
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         <pubDate>2020-10-14 05:39:44 UTC</pubDate>
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         <title></title>
         <author>amguinay</author>
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         <pubDate>2020-10-14 05:39:57 UTC</pubDate>
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         <title>un fossile stratigraphique c&#39;est : </title>
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         <pubDate>2020-10-14 05:42:39 UTC</pubDate>
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         <title>les principes de la datation relative</title>
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         <pubDate>2020-10-14 05:49:17 UTC</pubDate>
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         <title>vidéo : les principes</title>
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         <pubDate>2020-10-14 06:17:37 UTC</pubDate>
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      <item>
         <title>anticlinal ou synclinal  : quel est ce pli?</title>
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         <pubDate>2020-10-14 06:21:32 UTC</pubDate>
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      <item>
         <title>auréole de désintégration de l&#39;uranium d&#39;un zircon dans une biotite</title>
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         <link>https://padlet.com/amguinay/chapitre4/wish/827667459</link>
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         <pubDate>2020-10-14 06:23:54 UTC</pubDate>
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         <title>activité 3  : TP dater des roches sédimentaires en utilisant des fossiles stratigraphiques</title>
         <author>amguinay</author>
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         <pubDate>2020-10-14 10:52:16 UTC</pubDate>
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         <title>activité 1  : utiliser les principes de datation relative </title>
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         <pubDate>2020-10-14 10:52:59 UTC</pubDate>
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         <title></title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/828169101</link>
         <description><![CDATA[<div>Résumé méthode Rb/Sr</div>]]></description>
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         <pubDate>2020-10-14 10:54:58 UTC</pubDate>
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      <item>
         <title></title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/828169254</link>
         <description><![CDATA[<div>la datation absolue : une méthode fondée sur la loi de décroissance radioactive</div>]]></description>
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         <pubDate>2020-10-14 10:55:05 UTC</pubDate>
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      <item>
         <title>vidéo méthode  de datation de la croûte</title>
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         <pubDate>2020-10-14 10:55:23 UTC</pubDate>
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      <item>
         <title>activité 4 : méthode Rb Sr</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/828169856</link>
         <description><![CDATA[<div>TP calcul de l'âge d'une roche magmatique grâce à la méthodeRb Sr</div>]]></description>
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         <pubDate>2020-10-14 10:55:33 UTC</pubDate>
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      <item>
         <title>choisir la meilleure méthode de datation</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/832811258</link>
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         <pubDate>2020-10-15 15:38:17 UTC</pubDate>
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      <item>
         <title>animation à faire : chronologie de la montagne noire</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/840186794</link>
         <description><![CDATA[<div>exercice d'application : montagne  noire</div>]]></description>
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         <pubDate>2020-10-19 08:01:19 UTC</pubDate>
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      <item>
         <title>s&#39;entraîner et réviser les grands principes et leur utilisation : le défi de Lyell</title>
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         <pubDate>2020-10-19 08:08:43 UTC</pubDate>
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         <title>activité 2 : relations entre strates éloignées</title>
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         <pubDate>2020-10-19 11:18:36 UTC</pubDate>
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      <item>
         <title>appli radiochronologie</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/841169427</link>
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         <pubDate>2020-10-19 14:18:59 UTC</pubDate>
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      <item>
         <title></title>
         <author>amguinay</author>
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         <pubDate>2020-10-20 07:26:43 UTC</pubDate>
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      <item>
         <title>TP évalué : utiliser les 2 types de datation ( granodiorite )</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/843895977</link>
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         <pubDate>2020-10-20 07:28:05 UTC</pubDate>
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      <item>
         <title>fichier excel pour TP</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/843899302</link>
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         <pubDate>2020-10-20 07:29:18 UTC</pubDate>
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      <item>
         <title>quel âge a la Terre? comment fait-on pour connaître l&#39;âge d&#39;une roche? Comment fait-on pour savoir si un évènement géologique est plus récent ou plus ancien qu&#39;un autre?</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/844090462</link>
         <description><![CDATA[<div>c'est l'objet de la datation relative ( celle qui situe les roches ou les évènements les uns PAR RAPPORT aux autres) et de la datation absolue ( celle qui donne un âge chiffré)</div>]]></description>
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         <pubDate>2020-10-20 08:53:42 UTC</pubDate>
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      <item>
         <title></title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/844098953</link>
         <description><![CDATA[<div>vidéo 1</div>]]></description>
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         <pubDate>2020-10-20 08:57:41 UTC</pubDate>
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         <title></title>
         <author>amguinay</author>
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         <pubDate>2020-10-20 08:59:32 UTC</pubDate>
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      <item>
         <title>galets inclus au sein d&#39;un conglomérat</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/848299700</link>
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         <pubDate>2020-10-21 12:05:16 UTC</pubDate>
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         <title></title>
         <author>amguinay</author>
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         <pubDate>2020-10-24 13:30:06 UTC</pubDate>
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         <title></title>
         <author>amguinay</author>
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         <pubDate>2020-10-24 13:30:50 UTC</pubDate>
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      <item>
         <title>je dois savoir : </title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/858025782</link>
         <description><![CDATA[<div>- quels sont les principes de datation relative<br>- les appliquer sur une coupe, une carte , pour déterminer l'âge relatif de roches, d'évènements géologiques<br>- que le principe de la radio chronologie basée sur la loi de décroissance radioactive <br>- utiliser des équations fournies pour déterminer un âge absolu&nbsp;<br>- choisir la méthode la mieux adaptée aux échantillons à dater en fonction de sa composition et de son âge approximatif<br>- les équations mathématiques de datation absolue ne sont pas à savoir démontrer , elles seraient fournies lors de l'épreuve</div>]]></description>
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         <pubDate>2020-10-24 13:31:10 UTC</pubDate>
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      <item>
         <title>quizz obligatoire sur la quizinière</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/858088441</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.quiziniere.com/#/Exercice/2Y597Y" />
         <pubDate>2020-10-24 14:48:08 UTC</pubDate>
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      </item>
      <item>
         <title>décroissance radioactive</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/858136363</link>
         <description><![CDATA[]]></description>
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         <pubDate>2020-10-24 15:41:01 UTC</pubDate>
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      <item>
         <title>qcm entraînement </title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/859036017</link>
         <description><![CDATA[<div>datation absolue</div>]]></description>
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         <pubDate>2020-10-25 08:35:08 UTC</pubDate>
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         <title>QCM interactif d&#39;entraînement</title>
         <author>amguinay</author>
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         <pubDate>2020-10-25 10:43:15 UTC</pubDate>
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         <title>5 exercices de datation relative</title>
         <author>amguinay</author>
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         <pubDate>2020-10-25 12:19:22 UTC</pubDate>
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      <item>
         <title>exo  livre 7p153 -16 p156  et 12p154</title>
         <author>amguinay</author>
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         <pubDate>2020-10-25 12:21:08 UTC</pubDate>
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      <item>
         <title>spécial jules : comment devenir un fossile</title>
         <author>amguinay</author>
         <link>https://padlet.com/amguinay/chapitre4/wish/885681955</link>
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         <title>comment peut-on dater des peintures rupestres préhistoriques?</title>
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         <pubDate>2021-11-08 14:48:20 UTC</pubDate>
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         <title>comment dater la glace polaire?</title>
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         <pubDate>2021-11-08 14:49:06 UTC</pubDate>
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         <title>comment a t&#39;on donné un âge à la Terre?</title>
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         <pubDate>2021-11-08 14:49:48 UTC</pubDate>
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         <title></title>
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         <title>comment connait-on l&#39;âge de la Terre?</title>
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         <title>faille normale ou faille inverse</title>
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         <title>Activité 5  : TP méthode K Ar pour dater Orrorin</title>
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         <title></title>
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         <title>savoir trouver le coefficient directeur d&#39;une droite</title>
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         <title>vidéo méthode  uranium plomb</title>
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         <title>QCM méthode Rb Sr</title>
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         <title>QCM 2 </title>
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         <title>méthode U/Pb </title>
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