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Atlantic Shield

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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 cratonsofSão Luís, São Francisco, Luís Alves and Río de la Plata.^[1]

References[edit]

^ 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.