Chilenia

Short description: Ancient microcontinent, containing central Chile and western Argentina

Chilenia was an ancient microcontinent or terrane whose history affected many of the older rocks of central Chile and western Argentina . It was once separated by oceanic crust from the Cuyania terrane to which it accreted at ~420-390 Ma when Cuyania was already amalgamated with Gondwana.^[1]

References

↑ [1] Rapalini, A.E. 2005. The accretionary history of southern South America from the latest Proterozoic to the Late Palaeozoic: some palaeomagnetic constraints. From: Vaughan, A. R M., Leat, P. T. & Pankhurst, R. J, (eds). Terrane Processes at the Margins of Gondwana. Geological Society, London, Special Publications, 246, 305-328.

Sources

The Andes - Tectonic Evolution

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[1] [1] Rapalini, A.E. 2005. The accretionary history of southern South America from the latest Proterozoic to the Late Palaeozoic: some palaeomagnetic constraints. From: Vaughan, A. R M., Leat, P. T. & Pankhurst, R. J, (eds). Terrane Processes at the Margins of Gondwana. Geological Society, London, Special Publications, 246, 305-328.

[1]

Chilenia

Topic: Earth

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References

Sources