File:Mudcracks (Hidden River Cave, town of Horse Cave, Kentucky, USA) 1.jpg
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| Description |
English: Modern mudcracks in a cave in Kentucky, USA.
Mudcracks are diagnostic sedimentary structures indicating subaerial exposure of sediment surfaces, with alternating wet & dry conditions. They are much more common that raindrop imprints, which indicate the same environmental setting. Mudcracks are most likely to occur in fine-grained siliciclastic sediments, fine-grained carbonate sediments, and in some evaporitic settings. Mudcracks are distinctive and easy to identify, but they do vary in appearance. The cracks themselves vary in width, depth, and areal density. Mudcrack polygons also vary in size & shape. The mudcracks seen here are developed in loose sediments just inside Hidden River Cave in the town of Horse Cave, Kentucky. The cave system has about 11.5 miles of mapped passages. An active stream is present and visible from the tourist trail. During high-flow events (floods), water levels rise. Afterward, the wet sediments dry out and develop cracks. Locality: trailside, just inside the entrance to Hidden River Cave, town of Horse Cave, southern Kentucky, USA (~37° 10' 45.51" North latitude, 85° 54' 22.38" West longitude) |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/52550784727/ |
| 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@N05/52550784727. It was reviewed on 9 December 2022 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 | |
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| current | 16:33, 9 December 2022 | | 4,000 × 2,571 (8.84 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/52550784727/ with UploadWizard |
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