Atlantic Shield

Geological shield in eastern South America
Approximate location of Mesoproterozoic (older than 1.3 Ga) cratons in South America and Africa.

The Atlantic Shield is a large geological shield located in eastern South America. The shield is made up of the cratons of São Luís, São Francisco, Luís Alves and Río de la Plata.[1]

References

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  1. ^ Orme, Antony R. (2007). "The Tectonic Framework of South America". In Veblen, Thomas T.; Young, Kenneth R.; Orme, Anthony R. (eds.). Physical Geography of South America. Oxford University Press. pp. 3–7. ISBN 978-0-19-531341-3.
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Major South American geological features
Tectonic plates
  • Antarctic
  • Caribbean
  • Cocos
  • Coiba
  • Malpelo
  • Nazca
  • North Andes
  • Scotia
  • South American
Cratons and shieldsStructures undergoing subductionFaults and shear zonesRifts and grabens
Sedimentary basinsOrogeniesMetallogenetic provincesVolcanism
Volcanic provinces
Hotspots


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