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Geomorfologia 21 04 2010 test

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Geomorfologia 21 04 2010 test
html head style typetext/css html, body font-family Open Sans, Arial font-size 11pt line-height 16pt @page size auto margin 25mm 25mm 25mm 25mm span.tab width 2em height 10px display inline-block h1 font-weight 400 padding 0px margin 0 0 30px 0 h4 font-weight 400 font-style italic padding 0 0 15px 0 margin 0 0 30px 0 border-bottom 1px solid black /style /head meta http-equivContent-Type contenttext/html charsetutf-8 body h1Geomorfologia/h1 h4By vagrant Studymode.com/h4 GEOMORFOLOGIAbr / br /
Geomorfologia eacute a ciecircncia que estuda a gecircnese e a evoluccedilatildeo das formas de relevo sobre a superfiacutecie da Terra, onde estas formas satildeo resultantes dos processos atuais e preteacuteritos ocorridos nos litotipos existentes. nbspOs processos ou fatores que definem esta evoluccedilatildeo podem ser exoacutegenos ou modeladores (climas antigos e atuais, vegetaccedilatildeo e solos) e endoacutegenos ou formadores de relevo (tectocircnica e a geologia).br /
A interaccedilatildeo entre estes dois fatores torna-se muito importante, devido ao fato que em locais onde os litotipos (geologia) satildeo mais resistentes o relevo tende a ser mais preservado em virtude das limitaccedilotildees impostas por estes aos agentes modeladores.br /
Para exemplificar, na figura abaixo, a drenagem se instalou sobre uma grande descontinuidade estrutural existente nas rochas do local, predeterminando a via de percolaccedilatildeo de aacutegua, que eacute um agente catalisador nos processos de erosatildeo e deposiccedilatildeo de sedimentos.br /
De maneira simplificada pode-se dizer que descontinuidades estruturais no substrato geoloacutegico provocam irregularidades que podem ser visualizadas na paisagem. Estas descontinuidades estruturais satildeo comumente conhecidas por falhas, fraturas e juntas, relacionando-se com a movimentaccedilatildeo

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