Klettgau Formation: Difference between revisions

Klettgau Formation
Klettgau Formation
Stratigraphic range: Carnian–Rhaetian PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Sub-units	Ergolz Member, Gansingen Member, Berlingen Member, Seebi Member,Gruhalde Member, Belchen Member
Underlies	Staffelegg Formation
Overlies	Bänkerjoch Formation
Thickness	30–60 metres (100–200 ft), locally up to 75 metres (250 ft)
Lithology
Primary	Mudstone, Marl
Other	Dolomite, Sand
Location
Location	Switzerland
Type section
Named for	Klettgau
Named by	Jordan, et al
Location	Seebi quarry
Year defined	2016

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Revision as of 21:26, 16 September 2019

The Klettgau Formation is a geological formation in Switzerland, It is Late Triassic in age, covering most of the mid to late Norian, the Carnian, and into the Rhaetian, spanning a period of 26-30 million years. The primary enviroment of deposits was that of a playa, with marine and fluvial intercalations. The lithology is quite variable consisting primarily of fine grained rocks typically claystones and dolocretes, often with sandstone or carbonaic fluvial channel fills.^[1] Dinosaur fossils are known from the formation, including those of Plateosaurus and Notatesseraeraptor.^[2]

References

^ Jordan, Peter; Pietsch, Johannes S.; Bläsi, Hansruedi; Furrer, Heinz; Kündig, Nicole; Looser, Nathan; Wetzel, Andreas; Deplazes, Gaudenz (2016-9). "The middle to late Triassic Bänkerjoch and Klettgau formations of northern Switzerland". Swiss Journal of Geosciences. 109 (2): 257–284. doi:10.1007/s00015-016-0218-3. ISSN 1661-8726. {{cite journal}}: Check date values in: |date= (help)
^ Zahner, Marion; Brinkmann, Winand (2019-8). "A Triassic averostran-line theropod from Switzerland and the early evolution of dinosaurs". Nature Ecology & Evolution. 3 (8): 1146–1152. doi:10.1038/s41559-019-0941-z. ISSN 2397-334X. {{cite journal}}: Check date values in: |date= (help)

[1] Jordan, Peter; Pietsch, Johannes S.; Bläsi, Hansruedi; Furrer, Heinz; Kündig, Nicole; Looser, Nathan; Wetzel, Andreas; Deplazes, Gaudenz (2016-9). "The middle to late Triassic Bänkerjoch and Klettgau formations of northern Switzerland". Swiss Journal of Geosciences. 109 (2): 257–284. doi:10.1007/s00015-016-0218-3. ISSN 1661-8726. {{cite journal}}: Check date values in: |date= (help)

[2] Zahner, Marion; Brinkmann, Winand (2019-8). "A Triassic averostran-line theropod from Switzerland and the early evolution of dinosaurs". Nature Ecology & Evolution. 3 (8): 1146–1152. doi:10.1038/s41559-019-0941-z. ISSN 2397-334X. {{cite journal}}: Check date values in: |date= (help)

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