File:Paleokarst in limestone (St. Louis Limestone, Middle Mississippian; Route 460 roadcut south of Frenchburg, Kentucky, USA) 3 (32785916388).jpg
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Summary
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| Description |
Paleokarstified limestone in the Mississippian of Kentucky, USA. This is the St. Louis Limestone, as exposed in a roadcut near Frenchburg, Kentucky. A fossil coral zone occurs in this unit - they were ripped up and tossed by ancient storms. The corals have been silicified. Eroded-out corals are common in area creeks. Paleokarst occurs in places in the St. Louis Limestone at this site (= the hole in the photo). When the cut was fresh, a small paleocave here had speleothem. Speleothem can be collected in area creeks, too. Some barite masses occur at this locality, a few meters above the base of the St. Louis. The top of the St. Louis has a paleosol profile. The ochre/yellowish-brown colored unit at the bottom of the picture is dolostones of the Renfro Member. It was formerly considered to part of the Borden Formation, but has been reassigned to the Slade Formation. Stratigraphy: St. Louis Limestone over Renfro Member (lower Slade Formation), Meramecian, Middle Mississippian Locality: roadcut along the western side of Route 460, south-southeast of the town of Frenchburg, central Menifee County, eastern Kentucky, USA (37° 56’ 31.07” North latitude, 83° 37’ 12.31” West longitude) |
| Date | |
| Source | Paleokarst in limestone (St. Louis Limestone, Middle Mississippian; Route 460 roadcut south of Frenchburg, Kentucky, 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@N05/32785916388 (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 | 18:41, 7 December 2019 | | 4,000 × 3,000 (7.14 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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