File:Paleopebble (Dugway Member, Cuyahoga Formation, Lower Mississippian; Mary Ann Township, Licking County, Ohio, USA) 2 (46239527091).jpg

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Summary

Description

Paleopebble from the Mississippian of Ohio, USA.

This paleopebble is derived from fine-grained sandstones in the upper Cuyahoga Formation (Lower Mississippian) in Licking County, Ohio. The Cuyahoga Formation consists of several members in eastern Ohio. In Licking County, Cuyahoga outcrops consist of the Raccoon Shale Member and an overlying, unnamed, sandstone-dominated member. The latter is traditionally misidentified as a distal facies of the deltaic "Black Hand Sandstone Member". The true Black Hand Sandstone is currently interpreted as a younger, incised valley fill deposit - the unit is genetically and temporally unrelated to the Cuyahoga Formation. The unnamed sandy Cuyahoga unit is here nicknamed the "Dugway Member", after the Dugway Outcrop in Newark, Ohio.

This paleopebble appears to be silicified fossiliferous limestone.

Stratigraphy: "Dugway Member", upper Cuyahoga Formation, Kinderhookian Stage, lower Lower Mississippian

Locality: roadcut near the eastern boundary of Mary Ann Township, northeastern Licking County, east-central Ohio, USA
Date
Source Paleopebble (Dugway Member, Cuyahoga Formation, Lower Mississippian; Mary Ann Township, Licking County, Ohio, USA) 2
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@N05/46239527091 (archive). It was reviewed on 7 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

7 December 2019

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current18:23, 7 December 2019Thumbnail for version as of 18:23, 7 December 20191,108 × 819 (587 KB)Ser Amantio di NicolaoTransferred from Flickr via #flickr2commons
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