File:Calcite crystal-covered fossil (Bellevue Limestone, Upper Ordovician; Maysville West upper roadcut, Kentucky, USA) 1.jpg
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English: Calcite crystal-covered fossil in the Ordovician of Kentucky, USA.
The rocks of the Upper Ordovician Cincinnatian Series in the Ohio-Kentucky-Indiana tristate area were deposited in relatively shallow marine facies. The Cincinnatian succession is mostly interbedded limestones and shales. Most of the limestones are event beds (= tempestites), deposited during ancient storms. Seen here is a calcite crystal-covered fossil (burrow or nautiloid?) eroded from the Bellevue Limestone, a shallow water, limestone-rich Cincinnatian unit. Robust orthid brachiopods are common in the Bellevue Limestone - principally Hebertella occidentalis and Platystrophia ponderosa (also known as Vinlandostrophia ponderosa). Stratigraphy: float from the Bellevue Limestone, Maysvillian Stage, middle Cincinnatian Series, Upper Ordovician Locality: Maysville West upper cut - roadcut on the northwestern side of Rt. 62/Rt. 68, just south of bridge over Lawrence Creek & south of the Harsha Bridge over the Ohio River, northern Kentucky, USA (~vicinity of 38° 40’ 05.75" North latitude, 83° 48' 07.48" West longitude) |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/44955497865/ |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/44955497865. It was reviewed on 19 November 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 18:20, 19 November 2020 | | 3,544 × 1,305 (2.79 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/44955497865/ with UploadWizard |
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