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Paraná Basin

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The Paraná Basin is one of the largest basins in Brazil. Its more than 7 km thick succession ranges from the Ordovician to the early Cretaceous and covers the entire spectrum of continental to deep marine depositional environments.

Superb exposure of delta-front sandstones in the early Permian Rio Bonito Formation. The cliff is up to 30 m high.

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Swaley cross-stratified, shallow marine sandstones of the Palermo Formation (early Permian) in Rio Grande do Sul state.

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Bedding-plane exposure of wave ripples in early Permian postglacial strata.

Coarse-grained subaqueous deposits in a Carboniferous delta-slope setting. These facies are interpreted as the products of flood-generated hyperpycnal flows.

Normal faults in Devonian siltstones of the Paraná Basin in the Ponta Grossa arch axial zone

Soft-sediment deformation in late Jurassic eolian-dune sandstones.

Fluvial terminal-splay and eolian deposits of the Rio do Rasto Formation (late Permian) in the Serra do Espigão section.

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Typical Cerrado landscape in central-western Brazil. Carboniferous rocks of the Aquidauana Formation in the background.

North side of Serra do Rio do Rastro from Alfredo Wagner; Permian and Mesozoic continental deposits covered by lavas of the Paraná-Etendeka LIP. Gigantic eolian cross-strata are visible in the center of the image.

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