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Showing 1 to 2 of 2 for “"Província Borborema"”.
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Petrografia, litoquímica, química mineral e termobarometria de rochas cálcioalcalinas de alto K de textura porfirítica, ediacaranas, no extremo NE da Província Borborema (NE do Brasil)
… six bodies are located in the northeast of the Borborema Province, NE Brazil. The plutons are represented by monzogranites wich have porphyritic facies with phenocrysts of K-feldspar with sizes between 5 and 15 cm. The K-feldspar, plagioclase and quartz are the dominant paragenesis; while the …
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Estilo estrutural e contexto tectonoestratigráfico do Grupo Ubajara no NW do Ceará
The Ubajara Group is a neoproterozoic (of ediacaran age) low grade metassedimentary unit (ediacaran) that occurs adjacent to the TransbrasilianoKandi Lineament, in NW Ceará. This lineament corresponds to a NE-trending dextral strike-slip mega-shear zone related to the Brasiliano orogenic cycle. The …