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A geoconservacao preocupa-se com a protecao, valorizacao, divulgacao e uso sustentavel do patrimonio geologico, que incluidesde grandes areas complexas ate geossitios isolados ou pontuais. Este trabalho focaliza cinco geossitios, de aproximadamente umhectare, situados em diferentes regioes do Rio Grande do Sul, desprovidos de qualquer atratividade turistica ou destaque na paisagem,mas essenciais ao ensino de diferentes conceitos/processos em geociencias: uma discordância angular, um pequeno pavimento glacial, umlajeado com estratificacoes cruzadas acanaladas de grande porte, uma dobra recumbente e um afloramento de arenitos triassicos comtroncos fosseis. Tais geossitios, largamente utilizados para o ensino de estratigrafia e geologia historica, foram analisados levando-se emconta seus atributos didaticos, condicoes de acesso e potenciais riscos a sua integridade e/ou visibilidade. Com base nas observacoes,sugerem-se medidas para sua protecao (tombamento legal, designacao de buffer para silvicultura, eventual aquisicao dos terrenos) eutilizacao racional e sustentavel (implantacao de trilhas/trapiches, sinalizacao informativa/educativa, indicacao de acessos, divulgacao asescolas municipais). Tais medidas poderiam partir das universidades gauchas, sendo capazes de proporcionar impactos positivos nadivulgacao das geociencias a sociedade e na maior integracao do conhecimento geologico com a educacao basica nos municipios onde taisgeossitios se localizam. Palavras-chave: patrimonio geologico, geoconservacao, geossitios isolados. ABSTRACT ESSENTIAL POINT-TYPE GEOSITES FOR THE TEACHING OF GEOSCIENCES IN RIO GRANDE DO SUL STATE: CHARACTERISTICS ANDRELEVANCE FOR GEOCONSERVATION. Geoconservation aims at the protection, valuing, divulgation and sustainable use of geologicalheritage sites, from large complex areas to point-type, isolated outcrops. This work focuses on five point-type geosites (area near 1 ha)from different regions of Rio Grande do Sul State (southernmost Brazil). The analyzed geosites display virtually no tourist attractiveness orlandscape highlight, but they are essential for teaching a variety of geological concepts/processes: an angular unconformity, a small glacialpavement, didactic large-scale, eolian cross-strata, one recumbent fold and an outcrop containing Triassic fossil trunks. The referredgeosites, extensively used for teaching stratigraphy and historical geology in southernmost Brazil, were assessed in their didactic andaccessibility attributes, as well as in the associated risks to their integrity and/or visibility. Based upon the obtained data, a series ofmeasures are suggested for the protection (legal protection, buffers for forestation projects, land buying) and sustainable use (trail design,informative signage, access indication, integration is basic school classes in the respective municipalities). Such measures could be initiatedby Rio Grande do Sul State universities, being capable of becoming positive channels for geosciences popularization and integration of thegeological knowledge in basic school teaching. Keywords: geological heritage, geoconservation, point-type geosites.

GEOSSÍTIOS PONTUAIS ESSENCIAIS AO ENSINO DE GEOCIÊNCIAS NO RIO GRANDE DO SUL: CARACTERÍSTICAS E IMPORTÂNCIA PARA A GEOCONSERVAÇÃO