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      <title>Rocce, minerali e vulcani by Salvatore Caruso</title>
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      <description></description>
      <language>en-us</language>
      <pubDate>2019-03-21 14:34:22 UTC</pubDate>
      <lastBuildDate>2023-03-14 02:15:52 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>Rocce e minerali</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343824951</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 14:51:33 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343824951</guid>
      </item>
      <item>
         <title>Vulcani</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343825607</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 14:52:35 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343825607</guid>
      </item>
      <item>
         <title>sedimentaria</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343826922</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 14:54:43 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343826922</guid>
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      <item>
         <title>magmatiche</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343827951</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 14:56:20 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343827951</guid>
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      <item>
         <title>metaforiche</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343828250</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 14:56:47 UTC</pubDate>
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         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343829135</link>
         <description><![CDATA[<div><br>Le rocce sedimentarie sono un tipo di rocce formate dall'accumulo di sedimenti di varia origine, derivanti in gran parte dalla degradazione e dall'erosione di rocce preesistenti, che si sono depositati sulla superficie terrestre</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 14:58:13 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343829135</guid>
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      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343829621</link>
         <description><![CDATA[<div>Le rocce magmatiche (dette anche eruttive o ignee, dal latino si formano in seguito alla solidificazione di magmi, cioè di masse silicatiche fuse contenenti vari componenti e sostanze volatili costituiscono approssimativamente il 65% della parte superiore della crosta terrestre; ma, sulla superficie della Terra</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 14:58:59 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343829621</guid>
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      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343830999</link>
         <description><![CDATA[<div>Si formano in profondità quando una roccia magmatiche o sedimentaria cambia struttura a causa della forte pressione e delle altissime temperature. Metamorfiche, infatti deriva dal greco metamorphosis che significa trasformazione.</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:00:59 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343830999</guid>
      </item>
      <item>
         <title>sono di due tipi:</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343837972</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:11:49 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343837972</guid>
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      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343840090</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/260841560/d333a49c0e09e78a3a484164039afc06/metamissisis.jpg" />
         <pubDate>2019-03-21 15:15:20 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343840090</guid>
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      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343841241</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-03-21 15:17:22 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343841241</guid>
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      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343841964</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-03-21 15:18:37 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343841964</guid>
      </item>
      <item>
         <title>effusive</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343844949</link>
         <description><![CDATA[<div>è quando il magma fuoriesce all'esterno rapidamente come il caso di un eruzione vulcanica esso si solidifica in poche ore con la formazione di cristalli microscopici o di struttura simile al vetro </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:23:22 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343844949</guid>
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      <item>
         <title>intrusive</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343845104</link>
         <description><![CDATA[<div>si formano in profondità nella crosta terrestre e possono impiegare migliaia di anni a raffreddarsi in questi casi c'è tutto il tempo per formare cristalli grandi e ben definiti.</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:23:39 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343845104</guid>
      </item>
      <item>
         <title>rocce</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343855405</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:39:14 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343855405</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343856493</link>
         <description><![CDATA[<div>le rocce sono aggregati di minerali diversi e possono comprendere anche dei fossili, esse costituiscono la litosfera</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:41:04 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343856493</guid>
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      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343858369</link>
         <description><![CDATA[<div>sono fratture profondissime nella crosta terreste attraverso le quali il magma incandescente risale e fuoriesce nel corso di una eruzione</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:44:03 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343858369</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343859753</link>
         <description><![CDATA[<div>con un processo che si chiama litificazione ovvero la trasformazione di un sedimento libero in una roccia compatta </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:46:38 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343859753</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343861204</link>
         <description><![CDATA[<div>sono: l'ardesia,marmo bianco e lo gneiss </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:49:14 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343861204</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343862619</link>
         <description><![CDATA[<div>sono il granito e il gabbro </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:51:37 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343862619</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343863287</link>
         <description><![CDATA[<div>sono la pietra pomici, il basalto e l'ossidiana con una struttura simile al vetro</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:52:54 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343863287</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343867406</link>
         <description><![CDATA[<div>sono l'arenaria il calcare l'argilla il travertino e la dolomite e il tufo </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 15:59:41 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343867406</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343868905</link>
         <description><![CDATA[<div>Un modo per classificare i minerali è la scala di Mohs ovvero la scala della durezza  dell'omonimo scienziato Friederich Mohs (1773-1839) </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 16:02:29 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343868905</guid>
      </item>
      <item>
         <title>minerali</title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343870825</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 16:06:20 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343870825</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343872546</link>
         <description><![CDATA[<div>sono elementi chimici o semplici composti, che spesso si presentano sotto forma di  cristalli</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 16:09:36 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343872546</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343877844</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-03-21 16:20:10 UTC</pubDate>
         <guid>https://padlet.com/fc67564/dkye3xs605g/wish/343877844</guid>
      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343878831</link>
         <description><![CDATA[]]></description>
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         <pubDate>2019-03-21 16:21:48 UTC</pubDate>
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      </item>
      <item>
         <title></title>
         <author>fc67564</author>
         <link>https://padlet.com/fc67564/dkye3xs605g/wish/343881148</link>
         <description><![CDATA[<div>i vulcani in Italia sono 17 tra i quali: 2 sono attivi e sono L'Etna e lo Stromboli,<br>9 sono quiescenti e sono Colli Albani, Campi Flegrei, Ischia, Vesuvio, Lipari, Vulcano, Isola Ferdinande e Pantelleria. Quelli estinti sono 6 e sono: Colli Euganei, Amiata, Volsini, Cimini, Sabatini e Vulture<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2019-03-21 16:26:03 UTC</pubDate>
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