The use of U-isotopes on the study of a weathered cover in Parana basin, Brazil
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Data
2001-01-01
Autores
Jimenez-Rueda, JR
Bonotto, Daniel Marcos [UNESP]
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A A Balkema Publishers
Resumo
This paper describes the results of a study involving the sampling of a soil profile developed over sandstone from Itarare Sub-Group at the Parana sedimentary basin, Brazil. It was carried out to integrate chemical and U-isotopes data in order to improve the knowledge of the weathering processes acting in the area. U-238 and its daughter U-234 proved to be important tools for evaluating physical and chemical alteration, allowing to suggest a possible timescale for the development of the more superficial soil horizons.
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Water-rock Interaction, Vols 1 and 2. Leiden: A A Balkema Publishers, p. 407-410, 2001.