File:Rockford Limestone over Maury Shale (Lower Mississippian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 2 (41693485914).jpg
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| Description |
Dolostone in the Mississippian of Kentucky, USA. (geology hammer for scale) This is the Rockford Limestone, a relatively thin interval of dolostone. Very weathered surfaces are yellowish-brown to brown in color. Fresh, crack surfaces are light to medium gray in color. At this site, the Rockford has silicified fossils (e.g., crinoid stems). The overlying gray shales are part of the Fort Payne Formation. The underlying unit is the Maury Shale. Stratigraphy: Rockford Limestone, lower Osagean, Lower Mississippian Locality: roadcut on the northern side of Route 90, just west of Burkesville, central Cumberland County, southern Kentucky, USA (36° 48’ 01.98” North latitude, 85° 22’ 48.93” West longitude) |
| Date | |
| Source | Rockford Limestone over Maury Shale (Lower Mississippian; Burkesville West Rt. 90 roadcut, Kentucky, USA) 2 |
| 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@N05/41693485914 (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. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:39, 7 December 2019 | | 4,000 × 3,000 (6.03 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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