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A Serra do Caparao figura como um proeminente alinhamento estrutural no sentido N-S e, juntamente a Serra do Brigadeiro a oeste, constitui um sistema de horsts limitados pelo graben dissecado pelo rio Carangola e pela rede de drenagem que coleta. O presente trabalho se encarregou de investigar os efeitos diastroficos neotectonicos vigentes no macico do Caparao e regiao, acionando procedimentos de analise estrutural associados a tecnicas de deteccao de tectonica ativa, pautada fundamentalmente na interpretacao do relevo e da drenagem, procedimentos de grande valia para os estudos neotectonicos em dominios de margem passiva. Os procedimentos metodologicos aplicados na presente investigacao foram capazes de identificar uma serie de feicoes morfotectonicas, tanto no relevo como na rede de drenagem, sobrepostas a controles estruturais preexistentes, revelando que a dinâmica neotectonica intraplaca vem afetando, entre outros contextos, regioes geomorfologicas de genese tectonica do Brasil Sudeste, reafeicoando as vertentes, interferindo na hierarquizacao da rede hidrografica e influenciando na organizacao erosiva superficial. Abstract: Caparao ridge figure as a proeminent structural aligniment in the N-S way and together with Brigadeiro ridge in the west contitutes a system of horsts limitated by the graben dissecated by the Carangola river and by the colecting drainage network. The present work took charge on investigating the neotectonic diastrophic effects present in the Caparao massive and region operating procedures of structural analisys to tecnics of active tectonic detection guided fundamentaly by the interpretation of the relief and of the drainage, procedures of great value for the neotectonic studies in passive border domains. The methodological procedures applied in the present investigation were capable to identify a series of morphotectonic features both in the relief in the drainage network superimposed to preexisting structural controls revealing that the intraplate neotectonic dynamics has been affecting, between other contexts, geomorphological regions of tectonic genesis in the Southeast Brazil reshaping the slope interfering in the tiering of the hydrographic network and influencing the superficial erosive organization. Keywords: horst Caparao; neotectonic; drainage anomalies.

geographia meridionalis

HORST DO CAPARAÓ: INFLUÊNCIAS MORFOESTRUTURAIS E MORFOTECTÔNICAS NA DINÂMICA E EVOLUÇÃO DO RELEVO / HORST CAPARAÓ: MORPHOSTRUCTURAL AND MORPHOTECTONIC INFLUENCES IN THE DYNAMICS AND RELIEF EVOLUTION