| Iquiri Formation | |
|---|---|
| Stratigraphic range: Eifelian-Frasnian ~ | |
 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°00′S 65°00′W / 18.0°S 65.0°W |
| Approximate paleocoordinates | 69°48′S 78°36′W / 69.8°S 78.6°W |
| Region | Cochabamba Department |
| Country |  Bolivia |
| Extent | Cordillera Oriental |
  Iquiri Formation (Bolivia) | |
The Iquiri Formation is an Eifelian to Frasnian geologic formation of central Bolivia. The formation comprises black shales and sandstones.[1]