Chilenia
| Geology of the Andes |
|---|
| Orogenies |
| Pampean • Famatinian • Gondwanide • Andean |
| Fold-thrust belts |
|
Marañón • • |
| Batholiths |
| Antioquia • Cordillera Blanca • Peruvian Coastal • Vicuña Mackenna • Elqui-Limarí • Colangüil • Chilean Coastal • North Patagonian • South Patagonian |
| Subducted structures |
|
Aluk Plate (formerly) • Antarctic Plate • Carnegie Ridge • Chile Rise • Farallon Plate (formerly) • Juan Fernández Ridge • Nazca Plate • Nazca Ridge |
| Faults |
|
Dolores-Guayaquil • Cordillera Blanca • Cochabamba • Domeyko • El Tigre • San Ramón • Liquiñe-Ofqui • Magallanes-Fagnano |
| Andean Volcanic Belt |
|
Northern Zone • Peruvian flat-slab • Central Zone • Pampean flat-slab • Southern Zone • Patagonian Gap • Austral Zone |
| Terranes |
|
Arequipa-Antofalla • Mejillonia • Chilenia • Chaitenia • Chiloé Block • Cuyania • Pampia • Patagonia • Fitz Roy • Madre de Dios |
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]
See also[]
- Andes – Mountain range in South America
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[]
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- Geology of Chile
- Geology of Argentina
- Geology of the Andes
- Historical continents
- Paleozoic
- Terranes
- Chile geography stubs
- Regional geology stubs
- Palaeogeography stubs