Evolution of the Carboniferous-Early Cretaceous units of Paraná Basin from provenance studies based on U-Pb, Hf and O isotopes from detrital zircons
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Four main age groups identified: Brasiliano-Pan African, Grenvillian, Mid-Paleoproterozoic and Neoarchean.

Permian zircons, from Siderópolis Member to upward, are linked to Argentinian sources.

Some Grenvillian zircons are also linked to Argentinian sources, which implies in long transport.

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