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 PreꞒ Ꞓ O S D C P T J K Pg N
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 / -18.0; -65.0
Approximate paleocoordinates	69.8°S 78.6°W / -69.8; -78.6
Region	Cochabamba Department
Country	Bolivia
Extent	Cordillera Oriental
Iquiri Formation (Bolivia)

Fossil content

The formation has provided fossils of Proteolobus walli.

See also

• List of fossiliferous stratigraphic units in Bolivia