Geology of the Andes |
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Orogenies |
Fold-thrust belts |
Batholiths |
Subducted structures |
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Faults |
Andean Volcanic Belt |
Pampean flat-slab |
Terranes |
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]