Vila Vila Formation
| Vila Vila Formation | |
|---|---|
| Stratigraphic range: Lochkovian-Pragian ~ | |
| Type | Geological formation |
| Lithology | |
| Primary | Sandstone |
| Other | Shale |
| Location | |
| Coordinates | 15°30′S 68°00′W / 15.5°S 68.0°W |
| Approximate paleocoordinates | 60°06′S 100°24′W / 60.1°S 100.4°W |
| Region | La Paz Department |
| Country |  Bolivia |
| Extent | Cordillera Oriental |
| Type section | |
| Named for | Vila Vila |
  Vila Vila Formation (Bolivia) | |
The Vila Vila Formation is an Early Devonian (Lochkovian to Pragian) geologic formation of northern Bolivia. The formation comprises a succession of fine-grained sandstones and shales deposited in a shallow to deep marine environment.[1]
Fossil content[edit]
The formation has provided the following fossils:[1][2]
See also[edit]
References[edit]
- ^ a b Vila Vila Formation at Fossilworks.org
- ^ Wolfart, 1968
Bibliography[edit]
- Wolfart, R. 1968. Die Trilobiten aus dem Devon Boliviens und ihre Bedeutung fuer Stratigraphie und Tiergeographie. Beihefte zum Geologischen Jahrbuch 74. 5–201. .
Further reading[edit]
- G. D. Edgecombe and L. Ramskold. 1994. Earliest Devonian phacopide trilobites from central Bolivia. Paläontologische Zeitschrift 68(3/4):397-410