Buena Vista Formation | |
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Stratigraphic range: Late Permian-Early Triassic ~ | |
Type | Geological formation |
Underlies | Tacuarembó Formation |
Overlies | Yaguarí Formation |
Lithology | |
Primary | Sandstone, mudstone |
Other | Conglomerate |
Location | |
Coordinates | 32°18′S 54°06′W / 32.3°S 54.1°W |
Approximate paleocoordinates | 40°12′S 15°42′W / 40.2°S 15.7°W |
Region | Cerro Largo Department |
Country | Uruguay |
Extent | Norte Basin |
The Buena Vista Formation is a Late Permian-Early Triassic geologic formation of the Cerro Largo Department in northeastern Uruguay. The fluvial sandstones and mudstones preserve temnospondyl and archosaur fossils.
The Buena Vista Formation is characterized by reddish fine sandstone interbedded with lenticular clay layers and intraformational conglomerates deposited in a fluvial environment.[1]
The following fossils have been reported from the formation:[2][1]