Fray Bentos Formation | |
---|---|
Stratigraphic range: Deseadan ~ | |
Type | Geological formation |
Unit of | Paysandú Group |
Underlies | Raigón Formation |
Overlies | Asencio Formation |
Lithology | |
Primary | sandstone |
Other | siltstone |
Location | |
Country | Uruguay Argentina |
Extent | Paraná Basin |
Type section | |
Named for | Fray Bentos |
Named by | Bossi |
Year defined | 1966 |
The Fray Bentos Formation is a Deseadan[1] geologic formation of the Paysandú Group in Uruguay and portions of Argentina,[2] corresponding to the Paraná Basin.[3][4] It is composed of calcareous sandstones and siltstones with a pinkish-orange coloration. It outcrops in southwestern Uruguay (Canelones and Soriano Departments), the central and southeastern part of the province of Corrientes and northeast Entre Ríos.