Iquiri Formation
The Iquiri Formation is an Eifelian to Frasnian geologic formation of central Bolivia. The formation comprises black shales and sandstones.[1]
| Iquiri Formation Stratigraphic range: Eifelian-Frasnian ~392–377 Ma | |
|---|---|
 Paleogeography of the Late Devonian (380 Ma) | |
| Type | Geological formation |
| Underlies | Saipurú Formation |
| Overlies | Los Monos Formation |
| Lithology | |
| Primary | Black shale |
| Other | Sandstone |
| Location | |
| Coordinates | 18.0°S 65.0°W |
| Approximate paleocoordinates | 69.8°S 78.6°W |
| Region | Cochabamba Department |
| Country |  Bolivia |
| Extent | Cordillera Oriental |
  Iquiri Formation (Bolivia) | |
Fossil content
The formation has provided fossils of Proteolobus walli.
References
Further reading
- G. D. Wood. 1997. The acritarch Proteolobus walli gen et sp. nov. from the Devonian Iquiri Formation of Bolivia: a possible coenobial alga. Micropaleontology 43(3):325-331
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