Ancud Volcanic Complex

Ancud Volcanic Complex
Stratigraphic range: Oligocene–Miocene
TypeGeological complex
Sub-unitsHeuihuen, Teguaco, Cocotue
UnderliesQuaternary and Neogene deposits including Lacui Formation
OverliesCaleta Chonos Formation
Lithology
PrimaryBasaltic andesite
OtherDacite
Location
Coordinates41°54′S 73°48′W / 41.9°S 73.8°W / -41.9; -73.8
RegionLos Lagos Region
CountryChile
ExtentChiloé Archipelago
Type section
Named forAncud
Ancud Volcanic Complex is located in Chile
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]

See also

References

  1. ^ 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.
  2. ^ 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
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