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EVOLUÇÃO TECTÔNICA DO CINTURÃO DOM FELICIANO NO ESCUDO SUL-RIO-GRANDENSE: PARTE l - UMA CONTRIBUIÇÃO A PARTIR DO REGISTRO GEOLÓGICO

1995; Sociedade Brasileira de Geologia; Volume: 25; Issue: 4 Linguagem: Inglês

10.5327/rbg.v25i4.539

2317-4889

Luis Alberto D‘Ávila Fernandes, Rualdo Menegat, Antônio Flávio Uberti Costa, Edinei Koester, Carla Cristine Porcher, Andreia Tommasi, Gustavo Kraemer, Gilberto Emílio Ramgrab, Eduardo Camozzato,

Geography and Environmental Studies

A reappraisal of the geological basis of a Plate Tectonics model proposed for the tectonic evolution of the Dom Feliciano Belt in the Sul-rio-grandense Shield is presented under the light of a research programme in geology. Folio wing the presentation of a synthesis about the nature and structural characteristics of each geotectonic unit recognised, the main geotectonic models presented for this belt are discussed under the conceptual and substantive point of view. A discussion about the nature and advantages of an atualistic model for this belt is presented, being followed by a criticai evaluation of the geochronological and geophysical data recently obtained, the latter in the second part of this article.