Earth:Iquiri Formation

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Iquiri Formation
Stratigraphic range: Eifelian-Frasnian
~392–377 Ma
380 Ma plate tectonic reconstruction.png
Paleogeography of the Late Devonian (380 Ma)
TypeGeological formation
UnderliesSaipurú Formation
OverliesLos Monos Formation
Lithology
PrimaryBlack shale
OtherSandstone
Location
Coordinates [ ⚑ ] : 18°00′S 65°00′W / 18.0°S 65.0°W / -18.0; -65.0
Paleocoordinates [ ⚑ ] 69°48′S 78°36′W / 69.8°S 78.6°W / -69.8; -78.6
RegionCochabamba Department
Country Bolivia
ExtentCordillera Oriental
Iquiri Formation is located in Bolivia
Iquiri Formation
Iquiri Formation (Bolivia)

The Iquiri Formation is an Eifelian to Frasnian geologic formation of central Bolivia. The formation comprises black shales and sandstones.[1]

Fossil content

The formation has provided fossils of Proteolobus walli.

See also

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