Atlantic Shield

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.

References

  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.