Cerro Plataforma Formation

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Cerro Plataforma Formation
Stratigraphic range: Early Miocene
Type Geological formation
UnderliesMid Miocene volcaniclastics
Overlies Divisadero Group
Thickness130 m (430 ft)
Lithology
Primary Sandstone, siltstone, conglomerate
Location
Coordinates 42°21′29.0″S71°48′09.6″W / 42.358056°S 71.802667°W / -42.358056; -71.802667
Region Chubut Province
CountryArgentina
Extent Patagonian Andes
Type section
Named for Cerro Plataforma
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Cerro Plataforma Formation (Argentina)

The Cerro Plataforma Formation is a sedimentary formation cropping out at Cerro Plataforma south of Puelo Lake in the Andes of Argentine Patagonia. [1] The formation contains marine fossils of bivalves, gastropods and echinoderms. [1]

To the southwest in Chile lies the geologically equivalent La Cascada Formation. [1]

References

  1. 1 2 3 Encinas, Alfonso; Folguera, Andrés; Bechis, Florencia; et al. (2018). "The Late Oligocene–Early Miocene Marine Transgression of Patagonia". In Folguera, A.; Contreras Reyes, E.; Heredia, N.; et al. (eds.). The Evolution of the Chilean-Argentinean Andes. Springer. pp. 443–474. ISBN   978-3-319-67774-3 . Retrieved 2018-09-11.

Further reading