Tierra del Fuego Igneous and Metamorphic Complex
Tierra Igneous and Metamorphic Complex | |
---|---|
Stratigraphic range: Cambrian | |
Type | Complex |
Underlies | Tobífera Formation |
Lithology | |
Primary | Orthogneiss |
Location | |
Region | Magallanes Region |
Country | Chile, Argentina |
Type section | |
Named for | Tierra del Fuego |
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]
References
- ^ a b c 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". Journal of the Geological Society, London. 167: 555–568.
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(help) - ^ a b 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.