File:View of Serpent Mound Impact Structure (southern Ohio, USA) 4.jpg
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| Description |
English: The hills on the distant horizon, just right of the tree, are the central uplift and ~northern/northwestern rim of southern Ohio's Serpent Mount Impact Structure. It is about 30 to 35 square miles in size. The impactor was probably 150 to 200 meters in size - it would have devastated Ohio and Kentucky. The youngest disturbed rocks I have observed in the structure are in the Berea Sandstone (uppermost Devonian to lowermost Mississippian). Paleomagnetic dating by the Ohio Geological Survey has indicated that the Serpent Mound Impact occurred during the Pennsylvanian or Permian. About 1000 to 1500 feet worth of rock have since been eroded away.
Locality: looking ~north from the Locust Grove Cemetery, northeastern Adams County, southern Ohio, USA |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/50623573471/ |
| 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@N05/50623573471. It was reviewed on 23 November 2020 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 | 01:52, 23 November 2020 | | 2,874 × 1,817 (5.87 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/50623573471/ with UploadWizard |
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