Arequipa–Antofalla Craton

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The Arequipa-Antofalla craton or terrane is a basement unit underlying the central Andes in northwestern Argentina, western Bolivia, northern Chile and southern Peru. The Arequipa-Antofalla craton collided and amalgamated with the Amazonian craton about 1000 Ma ago during the Sunsás orogeny.[1]


  1. ^ Staci L. Loewy, James N. Connelly and Ian W.D. Dalziel (2003). "An orphaned basement block: The Arequipa-Antofalla Basement of the central Andean margin of South America" 116 (1-2). pp. 171–187. doi:10.1130/B25226.1.