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File:Trousdale Member over the Portwood Member (New Albany Shale, Middle Devonian; Waco roadcut, Madison County, Kentucky, USA).jpg

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English: Weathered shales in the Devonian of Kentucky, USA.

This exposure consists of weathered fine-grained siliciclastics of the lower New Albany Shale / Ohio Shale, a Devonian-aged, offshore marine succession. The upper part of the cut is the Trousdale Member (equivalent to the Blocher Member) and the lower part is the Portwood Member.

Stratigraphy: Trousdale Member over the Portwood Member, lower New Albany Shale / Ohio Shale, Givetian Stage, upper Middle Devonian

Locality: Waco Cut - roadcut along the northern side of Route 52, ~0.2 miles east of the Route 52-Route 977 intersection at the town of Waco, eastern Madison County, east-central Kentucky, USA (37˚ 44.471’ North latitude, 84˚ 08.566’ West longitude)

Info. at:

Schieber, J. & R. Lazar (eds.). 2004. Devonian black shales of the eastern U.S. New insights into sedimentology and stratigraphy from the subsurface and outcrops in the Illinois and Appalachian Basins. Field Guide for the 2004 Annual Field Conference of the Great Lakes Section of SEPM. Indiana Geological Survey Open-File Study 04-05. 90 pp.
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Source https://www.flickr.com/photos/47445767@N05/52883227663/
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@N05/52883227663. It was reviewed on 11 May 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

11 May 2023

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current13:14, 11 May 2023Thumbnail for version as of 13:14, 11 May 20231,280 × 924 (1.3 MB)Ser Amantio di Nicolao (talk | contribs)Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/52883227663/ with UploadWizard

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