Tierra del Fuego Igneous and Metamorphic Complex
Tierra del Fuego Igneous and Metamorphic Complex is a geological basement complex known from boreholes in northern Tierra del Fuego.[1][2] The complex is made up of foliated igneous rocks of Cambrian age including orthogneiss.[1][2] It underlies unconformably the Jurassic Tobífera Formation. The protoliths of Cordillera Darwin Metamorphic Complex are unrelated to Tierra del Fuego Igneous and Metamorphic Complex despite present-day proximity.[1]
| Tierra Igneous and Metamorphic Complex Stratigraphic range: Cambrian | |
|---|---|
| Type | Complex |
| Underlies | Tobífera Formation |
| Lithology | |
| Primary | Orthogneiss |
| Location | |
| Coordinates | 54.5°S 67.16°W |
| Region | Magallanes Region Tierra del Fuego Province |
| Country |  Chile Argentina |
| Type section | |
| Named for | Tierra del Fuego |
  Tierra del Fuego Igneous and Metamorphic Complex (Chile) | |
References
- Hervé, F.; Fanning, C.M.; Pankhurst, R.J.; Mpodozis, C.; Klepeis, K.; Calderón, M.; Thomson, S.N. (2010). "Detrital zircon SHRIMP U–Pb age study of the Cordillera Darwin Metamorphic Complex of Tierra del Fuego: sedimentary sources and implications for the evolution of the Pacific margin of Gondwana" (PDF). Journal of the Geological Society, London. 167 (3): 555–568. doi:10.1144/0016-76492009-124.
- Hervé, F.; Faundez, V.; Calderón, M.; Massonne, H.-J.; Willner, A.P. (2007). "Metamorphic and plutonic basement complexes". In Moreno, Teresa; Gibbons, Wes (eds.). The Geology of Chile. Geological Society of London. pp. 7–20.
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