# Plattenkalk

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{{Short description|Type of limestone}}
{{Infobox rock
|name                  = Plattenkalk
|alternative_name      = 
|type                  = 
|type_link             = 
|image                 = Solnhofen Plattenkalk (11232573043).jpg
|image_size            = 
|alt                   = 
|caption               = Plattenkalk at Solnhofen
|coordinates           = 
|composition           = Limestone
|composition_secondary = 
}}

thumb|A conchoidal fracture surface formation on the ''Solnhofen Platy Limestone''
'''Plattenkalk''' is a very finely grained [limestone](/source/limestone) chemically precipitated in a stratified [water column](/source/water_column) under conditions where [bioturbation](/source/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](/source/Solnhofen_Plattenkalk) in [Bavaria](/source/Bavaria) is a famous example where complete skeletons of large marine vertebrates and impressions of soft-bodied animals have been found.<ref>{{cite book|author=Bottjer, Etter, Hagadorn, Tang|title=Exceptional Fossil Preservation|date=2001|publisher=Columbia University Press}}</ref><ref>Wilkin, J.T.R. (2020). ''The south German Plattenkalks''. Geology Today 36(1), pp. 27-32. https://doi.org/10.1111/gto.12288</ref><ref>{{Cite book |last=Wilkin |first=Jack |title=A Sampler of European Paleontology: The Museums, the Discoveries & the Fossils of the “Old Continent” |publisher=FourCats Press |year=2023 |isbn=979-8987967119 |location=Seattle, Washington |pages=51-56 |chapter=The Geological History & Paleoenvironment of the South German Plattenkalks.}}</ref> [Lithographic limestone](/source/Lithographic_limestone) is a type of plattenkalk chosen for its suitable [lithography](/source/lithography) characteristics.
==References==
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Category:Limestone

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Adapted from the Wikipedia article [Plattenkalk](https://en.wikipedia.org/wiki/Plattenkalk) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Plattenkalk?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.