File:Impact breccia (Late Cretaceous, 70.3 Ma; Kara Impact Structure, Polar Urals, Russia).jpg
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Summary
| Description |
English: Impact breccia (suevite) from the Cretaceous of Russia. (wet, cut surface; ~9.9 centimeters across at its widest)
The eroded and buried Kara Impact Structure is located in the Polar Urals of far-northern Russia. The structure is about 65 kilometers in diameter, but may have been well over 100 kilometers in size. It dates to 70.3 million years ago, during the early Maastrichtian of the Late Cretaceous. Seen here is an impact breccia from the Kara Crater area. Several specific varieties of impact breccia exist (e.g., impact resurge breccia, melt-matrix breccia, suevite). This specimen is a suevite, a polymict impact breccia that includes glassy-textured and/or frothy-textured clasts derived from impact melting. Info. at: en.wikipedia.org/wiki/Kara_crater |
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| Source | https://www.flickr.com/photos/47445767@N05/51854279662/ |
| 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@N05/51854279662. It was reviewed on 11 April 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 | |
|---|---|---|---|---|---|
| current | 15:32, 11 April 2022 | | 4,712 × 4,687 (23.31 MB) | Ser Amantio di Nicolao | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/51854279662/ with UploadWizard |
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