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]