File:Mudchips in sandstone (Vinton Member, Logan Formation, Lower Mississippian; Mohawk Dam emergency spillway, western Coshocton County, Ohio, USA) 3 (26620254223).jpg
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| Description |
Mudchips in sandstone from the Mississippian of Ohio, USA. (geology hammer for scale) The mostly-gray structures shown above are thin, discoidal pieces of mudshale. The surrounding light-colored host rock is sandstone. Abundant mudshale chips in a host rock are referred to as mudchip breccias. Mudchip breccias and mudchips in sandstone form when erosion removes thin layers of previously-deposited muds, followed by transportation and deposition in coarser-grained sediments. Mudchips usually become aligned with the horizontal stratification. After burial, diagenesis, uplift, and erosion, mudchip-rich horizons tend to be readily exposed on split surfaces because they are planes of weakness. Stratigraphy: Vinton Member, upper Logan Formation, Osagean Stage, upper Lower Mississippian Locality: Mohawk Dam emergency spillway, northwest of the town of Nellie, western Coshocton County, eastern Ohio, USA (vicinity of 40º 21' 26.42" North latitude, 82º 04' 57.97" West longitude) |
| Date | |
| Source | Mudchips in sandstone (Vinton Member, Logan Formation, Lower Mississippian; Mohawk Dam emergency spillway, western Coshocton County, Ohio, USA) 3 |
| 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@N05/26620254223 (archive). It was reviewed on 10 October 2019 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 | |
|---|---|---|---|---|---|
| current | 02:13, 10 October 2019 | | 3,845 × 2,635 (4.22 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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