Abanico Formation
Sedimentary formation in Chile / From Wikipedia, the free encyclopedia
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Not to be confused with Abanico Brisa Mar Formation.
Abanico Formation (Spanish: Formación Abanico) is a 3 kilometres (9,800 ft) thick sedimentary formation exposed in the Andes of Central Chile.[1] The formation has been deposited in a timespan from the Eocene to the Miocene. Abanico Formation's contact with the overlying Miocene Farellones Formation has been the subject of differing interpretations since the 1960s.[2] A small part of the formation crops out in the Mendoza Province of western Argentina.[3]
Quick Facts Type, Underlies ...
Abanico Formation | |
---|---|
Stratigraphic range: Eocene–Miocene (typically Tinguirirican) | |
Type | Geological formation |
Underlies | Farellones Formation |
Overlies | Colimapu Formation |
Thickness | ca. 3,000 m (9,800 ft) |
Lithology | |
Primary | Volcaniclastic sediments comprising basalts, andesites & minor dacites |
Other | Zeolite |
Location | |
Coordinates | 35.0°S 70.4°W / -35.0; -70.4 |
Approximate paleocoordinates | 36.9°S 62.6°W / -36.9; -62.6 |
Region | O'Higgins, Santiago Metropolitan & Valparaíso Regions (Chile) Mendoza Province (Argentina) |
Country | Chile, Argentina |
Extent | Abanico Basin |
Type section | |
Named for | Cerro El Abanico |
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