File:Raindrop imprints (Lararmie Formation, Upper Cretaceous; Parfet Prehistoric Preserve, Golden, Colorado, USA) 2.jpg
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| Description |
English: Raindrop imprints in sandstone in the Cretaceous of Colorado, USA.
Raindrop imprints are scarce, but highly diagnostic, sedimentary structures in the rock record. They absolutely demonstrate that a particular bedding plane was subaerially exposed - it had to be land. Raindrop imprints are expected to be small circular to subcircular pits or craters on fine-grained siliciclastic sediment surfaces. They may be associated with mudcracks and terrestrial fossils. Stratigraphy: Laramie Formation, Maastrichtian Stage, upper Upper Cretaceous Locality: outcrop along Triceratops Trail, Parfet Prehistoric Preserve, southern side of the town of Golden, Colorado, USA (~vicinity of 39° 44' 35.24" North latitude, 105° 13’ 09.69" West longitude) |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/52513705877/ |
| 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@N05/52513705877. It was reviewed on 21 November 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 | 13:21, 21 November 2022 | | 3,008 × 2,000 (4.81 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/52513705877/ with UploadWizard |
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