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Atlantic Shield

Geological shield in eastern South America From Wikipedia, the free encyclopedia

Atlantic Shield

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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]

Thumb — Approximate location of Mesoproterozoic (older than 1.3 Ga) cratons in South America and Africa.

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