Werfen Formation
The Werfen Formation is a geologic formation in the Southern Limestone Alps and Dinaric Alps of Austria, Bosnia and Herzegovina and Italy. It preserves fossils dating back to the Triassic period.[1]
| Werfen Formation Stratigraphic range: Changhsingian-Ladinian ~254–235 Ma | |
|---|---|
| Type | Formation |
| Unit of | Costabella Group |
| Sub-units | Campil, Cencenighe, Gastropod Oolite, Tesero Oolite, Mazzin, Siusi, Val Badia Members |
| Lithology | |
| Primary | Mudstone, lime mudstone, limestone |
| Other | Siltstone, sandstone, marl |
| Location | |
| Coordinates | 46.8°N 12.1°E |
| Approximate paleocoordinates | 7.4°N 22.9°E |
| Region | Upper Austria, Bolzano, South Tyrol, Trentino, Veneto |
| Country |  Austria Italy Bosnia and Herzegovina |
| Extent | Dinaric, Southern Limestone & Salzburg Slate Alps, Tennen Mountains |
| Type section | |
| Named for | Werfen |
  Werfen Formation (Mediterranean) | |
Fossil content
The formation has provided numerous fossils typical of a shallow lagoon environment, including
- Eotiaris teseroensis[2]
See also
References
- Werfen Formation at Fossilworks.org
- Thompson et al., 2019
Bibliography
- Thompson, Jeffrey R.; Renato Posenato; David J. Bottjer, and Elizabeth Petsios. 2019. Echinoids from the Tesero Member (Werfen Formation) of the Dolomites (Italy): implications for extinction and survival of echinoids in the aftermath of the end-Permian mass extinction. PeerJ 7. e7361. doi:10.7717/peerj.7361 PMID 31531267 PMC 6718154
- Foster, William J.; Silvia Danise; Gregory D. Price, and Richard J. Twitchett. 2017. Subsequent biotic crises delayed marine recovery following the late Permian mass extinction event in northern Italy. PLOS ONE 12. e0172321. doi:10.1371/journal.pone.0172321 PMID 28296886 PMC 5351997 Bibcode:2017PLoSO..1272321F
Further reading
- E. Farabegoli, M. C. Perri, and R. Posenato. 2007. Environmental and biotic changes across the Permian-Triassic boundary in western Tethys: The Bulla parastratotype, Italy. Global and Planetary Change 55:109-135
- E. Kustatscher, M. Wachtler, and J.H.A. Konijnenburg-van Cittert. 2004. A number of additional and revised taxa from the Ladinian flora of the Dolomites, Northern Italy. Geo.Alp 1:57-69
- R. Posenato. 2009. Survival patterns of macrobenthic marine assemblages during the end-Permian mass extinction in the western Tethys (Dolomites, Italy). Palaeogeography, Palaeoclimatology, Palaeoecology 280:150-167
- A. Bittner. 1890. Brachiopoden der alpinen Trias. Abhandlungen der Kaiserlich-Königlichen Geologischen Reichsanstalt 14:1-325
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