File:Frost-highlighted fossiliferous limestone (Waynesville Formation, Upper Ordovician; Caesar Creek Lake's emergency spillway, Warren County, Ohio, USA) 14.jpg

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English: Fossiliferous limestone in the Ordovician of Ohio, USA.

This fossiliferous limestone surface is in the famous Cincinnatian Series of the tristate area of Ohio-Kentucky-Indiana. Rocks in the Cincinnatian were deposited in relatively shallow marine facies during the Late Ordovician. The Cincinnatian succession is mostly interbedded limestones and shales. Most of the limestones are event beds (= tempestites), deposited during ancient storms.

The fossil shells seen here are Rafinesquina ponderosa strophomenid brachiopods.

Classification: Animalia, Brachiopoda, Articulata (also known as Rhynchonelliformea), Stropheminda, Rafinesquinidae

Stratigraphy: upper Waynesville Formation, Richmondian Stage, upper Cincinnatian Series, upper Upper Ordovician

Locality: talus piece along the cut wall of Caesar Creek Lake's emergency spillway (between Clarksville Road and Roaring Run), northeastern Warren County, southwestern Ohio, USA
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Source https://www.flickr.com/photos/47445767@N05/45119947615/
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/45119947615 (archive). It was reviewed on 4 March 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

4 March 2020

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current16:26, 4 March 2020Thumbnail for version as of 16:26, 4 March 20204,000 × 3,000 (7.77 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/45119947615/ with UploadWizard

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