Cerro Plataforma Formation

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]

Cerro Plataforma Formation Stratigraphic range: Early Miocene
Type	Geological formation
Underlies	Mid Miocene volcaniclastics
Overlies	Divisadero Group
Thickness	130 m (430 ft)
Lithology
Primary	Sandstone, siltstone, conglomerate
Location
Coordinates	42°21′29.0″S 71°48′09.6″W
Region	Chubut Province
Country	Argentina
Extent	Patagonian Andes
Type section
Named for	Cerro Plataforma
Cerro Plataforma Formation (Argentina)

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

References

1. 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

• Orts, D. L.; A. Folguera; A. Encinas; M. Ramos; J. Tobal; V. A. Ramos (June 2012). "Tectonic development of the North Patagonian Andes and their related Miocene foreland basin (41°30'-43°S)". Tectonics. 31 (3): TC3012. doi:10.1029/2011TC003084.