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	<title>Zonas de Vertente (Turma C - Grupo 3)</title>
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		<item>
		<title>Minerais, sua origem e suas principais aplicações</title>
		<link>http://vertentesc3.wordpress.com/2008/06/08/minerais-sua-origem-e-suas-principais-aplicacoes/</link>
		<comments>http://vertentesc3.wordpress.com/2008/06/08/minerais-sua-origem-e-suas-principais-aplicacoes/#comments</comments>
		<pubDate>Sun, 08 Jun 2008 21:25:01 +0000</pubDate>
		<dc:creator>vertentesc3</dc:creator>
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		<description><![CDATA[  Material Origem Principais aplicações Granito Magmática Construção Civil (vias de comunicação, habitações) Basalto Magmática Construção Civil. Xisto Metamórfica Construção Civil (revestimento de casas, telhados, tampos para mesas de bilhar) Mármore Metamórfica Construção Civil, estatuária. Calcário Sedimentar Construção Civil (revestimento de interiores, mobiliário de cozinhas e casas de banho) Areias Sedimentar Construção Civil (indústria cerâmica). [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=vertentesc3.wordpress.com&amp;blog=2849412&amp;post=53&amp;subd=vertentesc3&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p class="MsoNormal" style="line-height:120%;margin:0;"><strong></strong></p>
<p> </p>
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<td style="background:#ffa263;width:140.25pt;border:#e04b00 2.25pt solid;padding:0 5.4pt;" width="187" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><strong><span style="font-size:14pt;line-height:120%;font-family:Arial;">Material</span></strong></p>
</td>
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<p class="MsoNormal" style="line-height:120%;margin:0;"><strong><span style="font-size:14pt;line-height:120%;font-family:Arial;">Origem</span></strong></p>
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<td style="border-right:#e04b00 2.25pt solid;border-top:#e04b00 2.25pt solid;background:#ffa263;border-left:#ece9d8;width:154.85pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="206" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><strong><span style="font-size:14pt;line-height:120%;font-family:Arial;">Principais aplicações</span></strong></p>
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<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><strong><span style="font-family:Arial;text-shadow:auto;">Granito</span></strong></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:140.9pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="188" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Magmática</span></span></p>
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<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:154.85pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="206" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Construção Civil (vias de comunicação, habitações)</span></span></p>
</td>
</tr>
<tr>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#e04b00 2.25pt solid;width:140.25pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="187" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><strong><span style="font-family:Arial;text-shadow:auto;">Basalto</span></strong></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:140.9pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="188" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Magmática</span></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:154.85pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="206" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Construção Civil.</span></span></p>
</td>
</tr>
<tr>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#e04b00 2.25pt solid;width:140.25pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="187" valign="top">
<p style="line-height:120%;"><span style="font-size:small;"><strong><span style="font-family:Arial;text-shadow:auto;">Xisto</span></strong></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:140.9pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="188" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Metamórfica</span></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:154.85pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="206" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Construção Civil (revestimento de casas, telhados, tampos para mesas de bilhar)</span></span></p>
</td>
</tr>
<tr>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#e04b00 2.25pt solid;width:140.25pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="187" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><strong><span style="font-family:Arial;text-shadow:auto;">Mármore</span></strong></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:140.9pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="188" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Metamórfica</span></span></p>
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<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:154.85pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="206" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Construção Civil, estatuária.</span></span></p>
</td>
</tr>
<tr>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#e04b00 2.25pt solid;width:140.25pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="187" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><strong><span style="font-family:Arial;text-shadow:auto;">Calcário</span></strong></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:140.9pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="188" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Sedimentar</span></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:154.85pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="206" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Construção Civil (revestimento de interiores, mobiliário de cozinhas e casas de banho)</span></span></p>
</td>
</tr>
<tr>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#e04b00 2.25pt solid;width:140.25pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="187" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><strong><span style="font-family:Arial;text-shadow:auto;">Areias</span></strong></span></p>
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<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:140.9pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="188" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Sedimentar</span></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:154.85pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="206" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Construção Civil (indústria cerâmica).</span></span></p>
</td>
</tr>
<tr>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#e04b00 2.25pt solid;width:140.25pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="187" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><strong><span style="font-family:Arial;text-shadow:auto;">Argilas</span></strong></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:140.9pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="188" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-size:small;"><span style="font-family:Arial;">Sedimentar</span></span></p>
</td>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#ece9d8;width:154.85pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="206" valign="top">
<p class="MsoNormal" style="line-height:120%;margin:0;"><span style="font-family:Arial;"><span style="font-size:small;">Indústria cerâmica, indústria do papel, produção de cimento.</span></span></p>
</td>
</tr>
</tbody>
</table>
<p> </p>
<td style="border-right:#e04b00 2.25pt solid;border-top:#ece9d8;background:0 0;border-left:#e04b00 2.25pt solid;width:140.25pt;border-bottom:#e04b00 2.25pt solid;padding:0 5.4pt;" width="187" valign="top"> </td>
<p> </p>
<p> </p>
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<p> </p>
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<p> </p>
<p style="line-height:120%;"><span style="font-size:small;"><strong><span style="color:#ffffff;font-family:Arial;text-shadow:auto;">Xisto</span></strong></span></p>
<p> </p>
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		<title>Recursos minerais metálicos e não metálicos</title>
		<link>http://vertentesc3.wordpress.com/2008/06/04/recursos-minerais-metalicos-e-nao-metalicos/</link>
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		<pubDate>Wed, 04 Jun 2008 21:14:35 +0000</pubDate>
		<dc:creator>vertentesc3</dc:creator>
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		<description><![CDATA[  Recursos minerais são substâncias que o Homem pode extrair da terra e utilizar em seu benefício.   Os recursos minerais podem classificar-se em:   •         Recursos minerais metálicos; •         Recursos minerais não metálicos.   Recursos minerais metálicos: Os recursos minerais mais abundantes são: o cobre (Cu), o alumínio (Al), o zinco (Zn), o ferro [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=vertentesc3.wordpress.com&amp;blog=2849412&amp;post=47&amp;subd=vertentesc3&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;"> </span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;">Recursos minerais são substâncias que o Homem pode extrair da terra e utilizar em seu benefício. </span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;"> </span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="font-size:small;"><span style="text-decoration:underline;"><span style="color:#ffffff;font-family:Arial;">Os recursos minerais podem classificar-se em: </span></span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;"> </span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;">•</span></span><span style="font-size:7pt;color:#ffffff;font-family:Arial;">         </span><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;">Recursos minerais metálicos;</span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;">•</span></span><span style="font-size:7pt;color:#ffffff;font-family:Arial;">         </span><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;">Recursos minerais não metálicos.</span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;"> </span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="font-size:small;"><span style="text-decoration:underline;"><span style="color:#ffffff;font-family:Arial;">Recursos minerais metálicos:</span></span><span style="color:#ffffff;font-family:Arial;"> Os recursos minerais mais abundantes são: o cobre (Cu), o alumínio (Al), o zinco (Zn), o ferro (Fe) e o chumbo (Pb); por outro lado, o ouro, a prata (Ag), e a platina são os mais escassos na Natureza. Quando estes elementos químicos se encontram concentrados em determinados locais, com um teor várias vezes superior ao clarke, poderemos estar na presença de um jazigo mineral. O material que, num jazigo mineral, é aproveitável designa-se por minério. O material que, no mesmo jazigo mineral, é rejeitado designa-se por ganga ou estéril.</span></span></p>
<p class="MsoNormal" style="margin:0;"> </p>
<p class="MsoNormal" style="margin:0;"> </p>
<p class="MsoNormal" style="margin:0;"><span style="font-size:small;"><span style="text-decoration:underline;"><span style="color:#ffffff;font-family:Arial;">Recursos minerais não metálicos:</span></span><span style="color:#ffffff;font-family:Arial;"> Estes recursos são relativamente abundantes na Natureza. Constituem para as sociedades modernas, substâncias que devem ser consideradas, como bens de primeira necessidade. Assim, mesmo sem o Homem se aperceber, materiais como as areias, o granito, o basalto ou o mármore são fundamentais para o seu bem-estar. </span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;"> </span></span></p>
<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;">Portugal é um país relativamente rico em recursos minerais não metálicos, estes assumem particular importância, como materiais de construção e de ornamentação, nomeadamente o xisto, o granito, o basalto, o mármore, o calcário, as areias e as argilas.  </span></span></p>
<p> </p>
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		<title>Alteração de tema e de grupo</title>
		<link>http://vertentesc3.wordpress.com/2008/05/28/alteracao-de-tema-e-de-grupo/</link>
		<comments>http://vertentesc3.wordpress.com/2008/05/28/alteracao-de-tema-e-de-grupo/#comments</comments>
		<pubDate>Wed, 28 May 2008 08:19:11 +0000</pubDate>
		<dc:creator>vertentesc3</dc:creator>
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		<guid isPermaLink="false">http://vertentesc3.wordpress.com/?p=46</guid>
		<description><![CDATA[  Decidimos mudar de tema, falando agora de &#8220;Recursos Minerais&#8221;. O novo grupo é constituído por: Elisa, Fábio, Filipa Rodrigues, Janete e Sandrina. Este tema insere-se num dos parâmetros de avaliação de Geologia do 11º ano. Hoje em dia, a sobrevivência do Homem depende maioritariamente dos recursos fornecidos pela Terra.   No entanto, se esses [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=vertentesc3.wordpress.com&amp;blog=2849412&amp;post=46&amp;subd=vertentesc3&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<div><span style="font-size:32pt;" lang="BG"></span></div>
<p class="MsoNormal" style="margin:0;"> </p>
<p class="MsoNormal" style="margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;">Decidimos mudar de tema, falando agora de &#8220;Recursos Minerais&#8221;. O novo grupo é constituído por: Elisa, Fábio, Filipa Rodrigues, Janete e Sandrina. Este tema insere-se num dos parâmetros de avaliação de Geologia do 11º ano.</span></span></p>
<p class="MsoNormal" style="text-align:justify;margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;">Hoje em dia, a sobrevivência do Homem depende maioritariamente dos recursos fornecidos pela Terra.</span></span></p>
<p class="MsoNormal" style="text-align:justify;margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;"> </span></span></p>
<p class="MsoNormal" style="text-align:justify;margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;">No entanto, se esses recursos não forem bem geridos, o Homem poderá pôr em risco a sua vida ou a das gerações vindouras, bem como a conservação do ambiente.</span></span></p>
<p class="MsoNormal" style="text-align:justify;margin:0;"><span style="color:#ffffff;font-family:Arial;"><span style="font-size:small;"> </span></span></p>
<p class="MsoNormal" style="text-align:justify;margin:0;"><span style="font-size:small;"><span style="color:#ffffff;font-family:Arial;">Neste trabalho pretendemos focar-nos</span><span style="color:#ffffff;font-family:Arial;">,</span><span style="color:#ffffff;font-family:Arial;"> essencialmente</span><span style="color:#ffffff;font-family:Arial;">,</span><span style="color:#ffffff;font-family:Arial;"> nos Recursos Minerais, evidenciando as suas principais características mas</span><span style="color:#ffffff;font-family:Arial;">,</span><span style="color:#ffffff;font-family:Arial;"> sobretudo</span><span style="color:#ffffff;font-family:Arial;">,</span><span style="color:#ffffff;font-family:Arial;"> tentar sensibilizar</span><span style="color:#ffffff;font-family:Arial;"> a sociedade para a sua exploração sustentada</span><span style="color:#ffffff;font-family:Arial;">, pois o Homem aparenta ser um grande perigo para a Natureza. <span> </span></span></span></p>
<p> </p>
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		<title>Visitem a nossa apresentação ppt&#8230;</title>
		<link>http://vertentesc3.wordpress.com/2008/03/17/44/</link>
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		<pubDate>Mon, 17 Mar 2008 15:42:37 +0000</pubDate>
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		<title>A nossa maquete: visitem!!!</title>
		<link>http://vertentesc3.wordpress.com/2008/03/03/37/</link>
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		<pubDate>Mon, 03 Mar 2008 15:54:06 +0000</pubDate>
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		<title>Barragem do Picote, Miranda do Douro (AF)</title>
		<link>http://vertentesc3.wordpress.com/2008/03/03/barragem-do-picote-miranda-do-douro-af/</link>
		<comments>http://vertentesc3.wordpress.com/2008/03/03/barragem-do-picote-miranda-do-douro-af/#comments</comments>
		<pubDate>Mon, 03 Mar 2008 12:41:02 +0000</pubDate>
		<dc:creator>vertentesc3</dc:creator>
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		<description><![CDATA[http://images.google.pt/imgres?imgurl=http://raizes.no.sapo.pt/S.%2520Leonardo%2520da2520Galafura.jpg&#38;imgrefurl=http://raizes.no.sapo.pt/TextoPaisagem1.htm&#38;h=770&#38;w=1188&#38;sz=73&#38;hl=pt-PT&#38;start=20&#38;um=1&#38;tbnid=8AvFiQH78frEgM:&#38;tbnh=97&#38;tbnw=150&#38;prev=/images%3Fq%3Ds.%2Bjoao%2Bda%2Bpesqueira%26um%3D1%26hl%3Dpt-PT%26cr%3DcountryPT%26sa%3DN<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=vertentesc3.wordpress.com&amp;blog=2849412&amp;post=36&amp;subd=vertentesc3&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<title>Continuamos a partilhar&#8230;</title>
		<link>http://vertentesc3.wordpress.com/2008/02/28/continuamos-a-partilhar/</link>
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		<pubDate>Thu, 28 Feb 2008 11:44:24 +0000</pubDate>
		<dc:creator>vertentesc3</dc:creator>
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		<description><![CDATA[  (retirado de http://nuieee.fe.up.pt/~ee04165/rui/zonasdevertente/chuva.htm) &#160; A força de atrito numa vertente desempenha um papel importante, porque impede o deslocamento dos materiais. Esta força é controlada por alguns factores, como o grau de coesão dos materiais e o efeito de ancoragem que pode ser realizada pelo conjunto das raízes das plantas. E também a quantidade de água no solo [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=vertentesc3.wordpress.com&amp;blog=2849412&amp;post=32&amp;subd=vertentesc3&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p align="justify" style="text-align:justify;margin:0;" class="MsoNormal"><font size="3"><font color="#ffffff"></font><a rel="attachment wp-att-33" href="http://vertentesc3.wordpress.com/2008/02/28/continuamos-a-partilhar/accao-da-chuva/" title="acção da chuva"></a></font></p>
<p align="justify" style="text-align:justify;margin:0;" class="MsoNormal"><font color="#ffffff"></font></p>
<p align="justify" style="text-align:justify;margin:0;" class="MsoNormal"><font color="#ffffff"> </font><a rel="attachment wp-att-33" href="http://vertentesc3.wordpress.com/2008/02/28/continuamos-a-partilhar/accao-da-chuva/" title="acção da chuva"><font color="#ffffff"><img src="http://vertentesc3.files.wordpress.com/2008/02/chuva.gif?w=497" alt="acção da chuva" /></font></a></p>
<p align="justify" style="text-align:justify;margin:0;" class="MsoNormal">(retirado de <a href="http://nuieee.fe.up.pt/~ee04165/rui/zonasdevertente/chuva.htm">http://nuieee.fe.up.pt/~ee04165/rui/zonasdevertente/chuva.htm</a>)</p>
<p align="justify" style="text-align:justify;margin:0;" class="MsoNormal">&nbsp;</p>
<p align="justify" style="text-align:justify;margin:0;" class="MsoNormal">A força de atrito numa vertente desempenha um papel importante, porque impede o deslocamento dos materiais. Esta força é controlada por alguns factores, como o grau de coesão dos materiais e o efeito de ancoragem que pode ser realizada pelo conjunto das raízes das plantas. E também a quantidade de água no solo pode ser determinante para criar instabilidade numa vertente.</p>
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			<media:title type="html">acção da chuva</media:title>
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		<title>A nossa maquete:</title>
		<link>http://vertentesc3.wordpress.com/2008/02/27/a-nossa-maquete/</link>
		<comments>http://vertentesc3.wordpress.com/2008/02/27/a-nossa-maquete/#comments</comments>
		<pubDate>Wed, 27 Feb 2008 21:23:23 +0000</pubDate>
		<dc:creator>vertentesc3</dc:creator>
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		<description><![CDATA[http://www.slide.com/r/33WCvdeH5T_rWcRKwaLO2_yURaeswU4O?previous_view=mscd_embedded_url&#38;view=original  Visitem o nosso slide, façam comentários e deixem opiniões&#8230; Obrigado <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=vertentesc3.wordpress.com&amp;blog=2849412&amp;post=24&amp;subd=vertentesc3&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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<p><a href="http://www.slide.com/r/33WCvdeH5T_rWcRKwaLO2_yURaeswU4O?previous_view=mscd_embedded_url&amp;view=original">http://www.slide.com/r/33WCvdeH5T_rWcRKwaLO2_yURaeswU4O?previous_view=mscd_embedded_url&amp;view=original</a></p>
<p> Visitem o nosso slide, façam comentários e deixem opiniões&#8230; Obrigado </p>
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		<title>Movimentos de massa:</title>
		<link>http://vertentesc3.wordpress.com/2008/02/21/movimentos-de-massa/</link>
		<comments>http://vertentesc3.wordpress.com/2008/02/21/movimentos-de-massa/#comments</comments>
		<pubDate>Thu, 21 Feb 2008 12:50:42 +0000</pubDate>
		<dc:creator>vertentesc3</dc:creator>
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		<description><![CDATA[Movimento de massa consiste no deslocamento de materiais sólidos ao longo de uma vertente.Os movimentos de massa estão condicionados por factores: Tipo e características das rochas; Orientação e inclinação das camadas; O grau de alteração e fracturação das rochas; A presença/ausência de vegetação. Para se dar um movimento de massa tem de existir um factor [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=vertentesc3.wordpress.com&amp;blog=2849412&amp;post=22&amp;subd=vertentesc3&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><font face="Times New Roman"><strong><span><a rel="attachment wp-att-23" href="http://vertentesc3.wordpress.com/2008/02/21/movimentos-de-massa/23/" title="arriba1.gif"></a></span></strong></font></p>
<p><span><font face="Times New Roman"></font></span><span><font face="Times New Roman"></font></span><span><font face="Times New Roman"></font></span><span><font face="Times New Roman"></font></span><span style="font-size:14pt;"><font face="Times New Roman"></font></span><span style="font-size:14pt;"><font face="Times New Roman"></p>
<p style="margin:0;" class="MsoNormal"><span><span></span></span></p>
<p></font><span><span><span style="font-weight:normal;font-size:14pt;"><font color="#00ff00">M</font><font color="#00ff00">ovimento de massa </font></span><span><font color="#00ff00">consiste no deslocamento de materiais sólidos ao longo de uma vertente.Os movimentos de massa estão condicionados por <span>factores:</span> </font></span></span></span><span><span></span></span><span><span></p>
<h4 align="justify">
<ul>
<li class="MsoNormal">
<h5><span><font color="#00ff00">Tipo e características das rochas; </font></span></h5>
</li>
<li class="MsoNormal">
<h5><span><font color="#00ff00">Orientação e inclinação das camadas; </font></span></h5>
</li>
<li class="MsoNormal">
<h5><span><font color="#00ff00">O grau de alteração e fracturação das rochas; </font></span></h5>
</li>
<li class="MsoNormal">
<h5><span><font color="#00ff00">A presença/ausência de vegetação. </font></span></h5>
</li>
</ul>
</h4>
<p align="justify"><span><font color="#00ff00">Para se dar um movimento de massa tem de existir um factor desencadeante.<br />
Os <span>factores desencadeantes</span> são: </font></span></p>
<h5 align="justify">
<ul>
<li class="MsoNormal">
<h5 align="justify"><span><font color="#00ff00">Precipitação; </font></span></h5>
</li>
<li class="MsoNormal">
<h5 align="justify"><span><font color="#00ff00">A acção do homem; </font></span></h5>
</li>
<li class="MsoNormal">
<h5 align="justify"><span><font color="#00ff00">A ocorrência de sismos; </font></span></h5>
</li>
<li class="MsoNormal">
<h5 align="justify"><span><font color="#00ff00">A ocorrência de tempestades em zonas costeiras. </font></span></h5>
</li>
</ul>
</h5>
<h4><span><span><span><span> <span><a rel="attachment wp-att-23" href="http://vertentesc3.wordpress.com/2008/02/21/movimentos-de-massa/23/" title="arriba1.gif"><img src="http://vertentesc3.files.wordpress.com/2008/02/arriba1.gif?w=497" alt="arriba1.gif" /></a></span></span></span></span></span></h4>
<p></span></span><font face="Times New Roman"></font><font face="Times New Roman"></font><font face="Times New Roman"></font><font face="Times New Roman"></p>
<p style="margin:0;" class="MsoNormal"><span style="font-size:14pt;"></span><span style="font-size:14pt;font-family:'Times New Roman';"></span></p>
<p></font></span></p>
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		<title>S. João da Pesqueira (descrição):</title>
		<link>http://vertentesc3.wordpress.com/2008/02/21/s-joao-da-pesqueira-descricao/</link>
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		<pubDate>Thu, 21 Feb 2008 12:50:25 +0000</pubDate>
		<dc:creator>vertentesc3</dc:creator>
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		<description><![CDATA[S. João da Pesqueira é uma zona de vertente que apresenta como característica principal a sua constituição rochosa, com pouca vegetação e ncom um declive elevado e que está sujeita a processos de meteorização e erosão.<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=vertentesc3.wordpress.com&amp;blog=2849412&amp;post=21&amp;subd=vertentesc3&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p style="margin:0;" class="MsoNormal"><span style="font-family:Tahoma;">S. João da Pesqueira é uma zona de vertente que apresenta como característica principal a sua constituição rochosa, com pouca vegetação e ncom um declive elevado e que está sujeita a processos de meteorização e erosão.</span></p>
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