Werfen Formation
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| Werfen Formation | |
|---|---|
| Stratigraphic range: Changhsingian-Ladinian ~ | |
| 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 | Lua error in Module:Coordinates at line 489: attempt to index field 'wikibase' (a nil value). |
| Approximate paleocoordinates | Lua error: callParserFunction: function "#coordinates" was not found. |
| 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) | |
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]
Fossil content
[edit | edit source]The formation has provided numerous fossils typical of a shallow lagoon environment, including:
- Eotiaris teseroensis (a crown-group echinoid from Changhsingian aged beds of the Tesero Member)[2]
- Orbicoelia sp. (a brachiopod)[2]
- Teserina nerii (a brachiopod)[2]
Griesbachian aged layers of the formation also preserve an unexpectedly diverse ichnotaxon assemblage, including the ichnogenera Catenichnus, Helminthopsis, Lockeia, Palaeophycus, Planolites, Rhizocorallium, Spongeliomorpha, Taenidium and Thalassinoides.[3]
See also
[edit | edit source]- List of fossiliferous stratigraphic units in Austria
- List of fossiliferous stratigraphic units in Bosnia and Herzegovina
- List of fossiliferous stratigraphic units in Italy
References
[edit | edit source]- ^ Werfen Formation at Fossilworks.org
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Bibliography
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Further reading
[edit | edit source]- 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
Categories:
- Geology of Bosnia and Herzegovina
- Permian System of Europe
- Permian Austria
- Permian Italy
- Triassic System of Europe
- Triassic Austria
- Triassic Italy
- Changhsingian
- Induan
- Olenekian
- Ladinian
- Anisian
- Limestone formations
- Marl formations
- Mudstone formations
- Siltstone formations
- Sandstone formations
- Lagoonal deposits
- Shallow marine deposits
- Permian northern paleotropical deposits
- Paleontology in Austria
- Paleontology in Italy
- Southern Limestone Alps
- Geology of the Alps
- Geologic formations of Austria
- Geologic formations of Italy