La Ciénega Formation, Bolivia

Short description: Geologic formation in Bolivia

La Ciénega Formation
Stratigraphic range: Sandbian-Katian
~460–450 Ma

PreЄ

Type| Geological formation
Lithology
Primary| Sandstone
Other| Shale
Location
Coordinates|  [ ⚑ ] : 19°00′S 65°00′W﻿ / ﻿19.0°S 65.0°W﻿ / -19.0; -65.0
Paleocoordinates|  [ ⚑ ] 44°36′S 129°18′W﻿ / ﻿44.6°S 129.3°W﻿ / -44.6; -129.3
Region| Chuquisaca Department
Country|  Bolivia
Extent| Cordillera Oriental

La Ciénega Formation, Bolivia (Bolivia)

La Ciénega Formation is a Sandbian to Katian geologic formation of south-central Bolivia. The formation comprises silty, clayey, micaceous, fine-grained sandstones with thin intercalations of grey-green to light grey shales.[1]

## Contents

* 1 Fossil content
* 2 See also
* 3 References
* 4 Further reading

## Fossil content

The formation has provided the following fossils:

* Dinorthis sp.
* Lingula sp.
* Lingulepis sp.
* Orbiculoidea sp.
* Orthoceras sp.

## See also

* List of fossiliferous stratigraphic units in Bolivia

## References

1. ↑ La Ciénega anticline, Bolivia at Fossilworks.org

## Further reading

* R. Suárez Soruco. 1976. El sistema ordovícico en Bolivia. Revista Tecnica YPF Bolivia 5(2):111-123

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