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Plattenkalk

Type of limestone

Field	Value
name	Plattenkalk
image	Solnhofen Plattenkalk (11232573043).jpg
caption	Plattenkalk at Solnhofen
composition	Limestone

A conchoidal fracture surface formation on the ''Solnhofen Platy Limestone''

Plattenkalk is a very finely grained limestone chemically precipitated in a stratified water column under conditions where bioturbation does not occur. The reasons for the quiet depositional environment and the processes of sediment accumulation vary greatly among different plattenkalks, but the lack of bioturbation contributes to the creation of thinly bedded, finely laminated, undisturbed limestones where exceptionally detailed fossils or imprints of organisms occur. The Solnhofen Plattenkalk in Bavaria is a famous example where complete skeletons of large marine vertebrates and impressions of soft-bodied animals have been found. Lithographic limestone is a type of plattenkalk chosen for its suitable lithography characteristics.

References

Bottjer, Etter, Hagadorn, Tang. (2001). "Exceptional Fossil Preservation". Columbia University Press.
Wilkin, J.T.R. (2020). ''The south German Plattenkalks''. Geology Today 36(1), pp. 27-32. https://doi.org/10.1111/gto.12288
Wilkin, Jack. (2023). "A Sampler of European Paleontology: The Museums, the Discoveries & the Fossils of the “Old Continent”". FourCats Press.

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limestone

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