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Brasiliano orogeny

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Brasiliano orogeny
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Brasiliano orogeny or Brasiliano cycle (Portuguese: Orogênese Brasiliana and Ciclo Brasiliano) refers to a series of orogenies from the Neoproterozoic era, exposed chiefly in Brazil but also in other parts of South America. The Brasiliano orogeny is a regional name for the larger Pan-African/Brasiliano orogeny that extended not only in South America but across most of Gondwana.[1] In a wide sense the Brasiliano orogeny includes also the Pampean orogeny. Almeida et al. coined the term Brasiliano Orogenic Cycle in 1973. The orogeny led to the closure of several oceans and aulacogens including the Adamastor Ocean, the Goianides Ocean, the Puncoviscana Ocean[note 1] and the Peri-Franciscano Ocean.[4]

Thumb
West Gondwana with major cratons in brown and Pan-African orogenies in grey

Attempts to correlate the South American Brasiliano belts with the African Pan-African belts on the other side of the Atlantic have in many cases been problematic.[5]

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Belts and belt provinces

More information Name, Modern location ...
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See also

Notes

  1. This ocean is also called the Pampean Ocean.[2] The relationship of this ocean and the Puncoviscana Formation is disputed.[3]

References

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