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Luis Alves craton
geology
Learn about this topic in these articles:
geology of South America
- In South America: The Precambrian
…are known in the Amazonia, Luis Alves, and São Francisco cratons, although precisely dated rock samples are scarce. Ages older than 3 billion years have been reported in the Imataca Complex of Venezuela and in the Xingu area of Brazil, both in the Amazonia craton. The oldest rocks found so…
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