Cha-Kjeri Formation
The Cha-Kjeri Formation is an Eifelian geologic formation of central Bolivia. The formation comprises red sandstones deposited in a marine environment.[1]
| Cha-Kjeri Formation Stratigraphic range: Eifelian ~392–384 Ma | |
|---|---|
| Type | Geological formation |
| Sub-units | Purple Sandstone member |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 19.2°S 64.9°W |
| Approximate paleocoordinates | 69.6°S 85.8°W |
| Region | Chuquisaca Department |
| Country |  |
| Extent | Cordillera Oriental |
  Cha-Kjeri Formation (Bolivia) | |
Fossil content
Early Devonian (400 Ma)
The formation has provided fossils of Globithyris aff. diana.
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References
Further reading
- P. E. Isaacson. 1977. Devonian stratigraphy and brachiopod paleontology of Bolivia. part A: Orthida and Strophomenida. Palaeontographica Abteilung A 155(5-6):133-192
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