La Ciénega Formation | |
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Stratigraphic range: Sandbian-Katian ~460–450 Ma PreꞒ Ꞓ O S D C P T J K Pg N | |
Type | Geological formation |
Lithology | |
Primary | Sandstone |
Other | Shale |
Location | |
Coordinates | 19°00′S 65°00′W / 19.0°S 65.0°W / -19.0; -65.0 |
Approximate paleocoordinates | 44°36′S 129°18′W / 44.6°S 129.3°W / -44.6; -129.3 |
Region | Chuquisaca Department |
Country | Bolivia |
Extent | Cordillera Oriental |
La Ciénega Formation, Bolivia (Bolivia) |
La Ciénega Formation is a Sandbian to Katian geologic formation of south-central Bolivia. The formation comprises silty, clayey, micaceous, fine-grained sandstones with thin intercalations of grey-green to light grey shales.
Fossil content
The formation has provided the following fossils:
See also
References
Further reading
- R. Suárez Soruco. 1976. El sistema ordovícico en Bolivia. Revista Tecnica YPF Bolivia 5(2):111-123