The Anzaldo Formation is a Katian geologic formation of central Bolivia. The formation belongs to the Cochabamba Group, overlies the Capinota Formation and is overlain by the San Benito Formation.[1]
| Anzaldo Formation | |
|---|---|
| Stratigraphic range: Katian ~ | |
| Type | Geological formation |
| Unit of | Cochabamba Group |
| Underlies | San Benito Formation |
| Overlies | Capinota Formation |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 17°48′S 65°48′W / 17.8°S 65.8°W |
| Approximate paleocoordinates | 45°06′S 127°30′W / 45.1°S 127.5°W |
| Region | Cochabamba Department |
| Country |  Bolivia |
| Extent | Cordillera Oriental |
  Anzaldo Formation (Bolivia) | |
Fossil content
editThe formation has provided the following fossils:
Fish
edit- Pteraspidomorphi
Trilobites
editBivalves
editGastropods
editLingulida
editSee also
editReferences
editBibliography
edit- Pradel, A.; Sansom, I. J.; Gagnier, P.-Y.; Cespedes, R.; Janvier, P. (2007), "The tail of the Ordovician fish Scabambaspis", Biology Letters, 3 (1): 72–75, doi:10.1098/rsbl.2006.0557, PMC 2373808, PMID 17443969
- Emig, C. C.; Herrera, Z. (2006), "Dignomia munsterii (Brachiopoda, Lingulata) from the Ordovician of Bolivia, with redescription of the genus", Geodiversitas, 28: 227–237
- Gagnier, P. Y.; Blieck, A.; Emig, C. C.; Sempere, T.; Vachard, D.; Vanguestaine, M. (1996), "New paleontological and geological data on the Ordovician and Silurian of Bolivia", Journal of South American Earth Sciences, 9 (5): 329–347, Bibcode:1996JSAES...9..329G, doi:10.1016/S0895-9811(96)00018-1
- Branisa, L (1965), "Los fósiles guias de Bolivia: I. Paleozoico", Boletín de Servicio Geologico de Bolivia la Paz, Bolivia, 6: 1–282