Английская Википедия:Divisadero Group
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Шаблон:Short descriptionШаблон:Distinguish Шаблон:Infobox rockunit The Divisadero Group is a group of geological formations in the Magallanes Basin (Chile) or Austral Basin (Argentina) of northwestern Patagonia. It overlies the Coihaique Group.[1] The group is chiefly made up of pyroclastic rocks and lavas of the calc-alkaline magma series.[1] Rocks are of andesite and rhyolite composition.[2]
Geographic extent
In Chile, the formation crops out in Aysén Region[1] while in Argentina it can be found in Chubut Province.[2]
Tectonic movements during the Miocene have significantly deformed Divisadero Group.[3]
See also
References
Категории:
- Английская Википедия
- Geologic groups of South America
- Geologic formations of Argentina
- Geologic formations of Chile
- Lower Cretaceous Series of South America
- Cretaceous Argentina
- Cretaceous Chile
- Albian Stage
- Aptian Stage
- Cretaceous volcanism
- Austral or Magallanes Basin
- Geology of Aysén Region
- Geology of Chubut Province
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