Cerro Plataforma Formation

Cerro Plataforma Formation
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 / 42.358056°S 71.802667°W
Region	Chubut Province
Country	Argentina
Extent	Patagonian Andes
Type section
Named for	Cerro Plataforma
	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

^ ^a ^b ^c 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.