Ancud Volcanic Complex

Ancud Volcanic Complex (Chile)

Ancud Volcanic Complex (Spanish: Complejo Volcánico de Ancud) is a volcanic complex of Oligocene and Miocene age located around Ancud with exposures in Chiloé Island, the Chilean mainland and smaller islets. Three subunits are recognized in the complex: Hueihuen, Teguaco and Cocotue.^[1] The complex is part of the mid-Tertiary coastal magmatic belt in south-central Chile.^[2]

References

^ Valenzuela Ayala, Eduardo (1982). "Estratigrafía de la Boca Occidental del Canal de Chacao, X Región, Chile". Congreso Geológico Chileno (in Spanish). Vol. 3, Actas. pp. A343–A376.
^ Muñoz, Jorge; Troncoso, Rosa; Duhart, Paul; Crignola, Pedro; Lang, Farmer; Stern, Charles R. (2000), "The relation of the mid-Tertiary coastal magmatic belt in south-central Chile to the late Oligocene increase in plate convergence rate", Andean Geology, 27 (2): 341–492

Geology of Chile

Terranes

Arequipa-Antofalla
Chaitenia
Chilenia
Chiloé
Cuyania
Fitz Roy
Madre de Dios
Mejillonia
Patagonia

Sedimentary
formations
and groups

Cretaceous	Baños del Flaco Fm. Cerro Colorado Fm. Chacarilla Fm. Chañarcillo Gp. Coihaique Gp. Divisadero Gp. Dorotea Fm. Hornitos Fm. La Liga Fm. Ñirehuao Fm. Punta del Cobre Fm. Purilactis Gp. Quiriquina Fm. Viñita Fm. Way Gp. Zapata Fm.
Jurassic	Chacarilla Fm. Coihaique Gp. Ibáñez Fm. La Liga Fm. La Negra Fm. Nacientes del Biobío Fm. Nacientes del Teno Fm. Pan de Azúcar Fm. Tobífera Fm.
Triassic	Canto del Agua Fm. Choiyoi Gp. Panguipulli Fm. Santa Juana Fm. Tralcán Fm.