File:Gutter cast in limestone (Upper Ordovician; Cincinnatian area, USA) 1.jpg

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English: Gutter cast in fossiliferous limestone from the Ordovician of the Cincinnatian area, USA. (view of underside of bed)

Gutter casts are curvilinear, trough-like sedimentary structures that form by erosive gullying. The sediments that fill the gutters are often sufficiently different from those in which the gutters are incised. After lithification and weathering, the sediment fills erode out as casts.

Stratigraphy: float from the Cincinnatian Series (probably the Richmondian Stage), Upper Ordovician

Locality: unrecorded locality in the Cincinnatian outcrop belt of northern Kentucky-southeastern Indiana-southwestern Ohio, USA (probably from northeastern Warren County, Ohio)
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Source https://www.flickr.com/photos/47445767@N05/51189634164/
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@N05/51189634164. It was reviewed on 20 May 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

20 May 2021

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current16:48, 20 May 2021Thumbnail for version as of 16:48, 20 May 20213,882 × 1,778 (5.03 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/51189634164/ with UploadWizard

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