A timeframe of glacial and nonglacial intervals in the Carboniferous and Permian systems of
eastern Australia was published by Fielding et al.(2008a). In this scheme, eight discrete …

The intermediate to acid Choiyoi Magmatic Province is the most conspicuous feature along
the Late Paleozic continental margin of southwestern Gondwana, and is generally regarded …

Early during the twentieth Century, pioneering correlations between the Palaeozoic–
Mesozoic basins of South America and southern Africa were used by Alexander du Toit to …

Sequence stratigraphy, lithostratigraphy and biostratigraphy of the Late Carboniferous/
Permian succession of the eastern border of the Paraná Basin are organized in the form of a …

This paper provides a review of the Late Mississippian to Permian paleoclimatic history for
southern South America based on lithologic indicators, biostratigraphic information, and …

The evolution of Patagonia as an independent and exotic microcontinent from the rest of
South America was a recurrent hypothesis since the XIX century, reaching notoriety during …

We present four SHRIMP U–Pb zircon ages for the Choiyoi igneous province from the San
Rafael Block, central–western Argentina. Dated samples come from the Yacimiento Los …

The Chemical Index of Alteration (CIA) was expressed as CIA (molar) to become a more
sensitive measure of the degree of chemical weathering. The CIA (molar) has the value of 1 …

Pyroclastic material in the form of altered volcanic ash or tephra has been reported and
described from one or more stratigraphic units from the Proterozoic to the Tertiary. This …

The absence of absolute dating in glacial deposits of the Paraná Basin prevents better
understanding of the complete history of the Late Palaeozoic Ice Age in Western Gondwana …