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Latin American journal of sedimentology and basin analysis
versión On-line ISSN 1851-4979
Resumen
RODRIGUES ANDRADE DA SILVA, Diogo et al. Provenance of fine-grained sedimentary rocks derived from Rb-Sr and Sm-Nd analyses: the example of the Santa Maria Formation (Triassic, Parana Basin, Southern Brazil). Lat. Am. j. sedimentol. basin anal. [online]. 2006, vol.13, n.2, pp.135-149. ISSN 1851-4979.
In this work, the Rb-Sr and Sm-Nd methods were applied to fine-grained sedimentary rock samples of the Santa Maria Formation (Triassic, Paraná Basin) in order to have provenance informations. The Sm-Nd, although being considered as a new technique when applied to sedimentary rocks is an important parameter to the determination of potentials source rocks. The acquired informations with the Sm-Nd method and the integration with Rb-Sr data allowed to propose the reconstruction of the source areas concerning Santa Maria Formation. The results are fundamental to improve these methodologies when applied in sedimentary rocks.
Palabras clave : Sedimentary rocks; Rb-Sr methodology; Sm-nd methodology; Provenance.